Merge branch 'tegra/dma-reset-rework' into next/soc

Bringing in the tegra dma/reset rework as a base for new SoC branches.

* tegra/dma-reset-rework: (81 commits)
  spi: tegra: checking for ERR_PTR instead of NULL
  ASoC: tegra: update module reset list for Tegra124
  clk: tegra: remove bogus PCIE_XCLK
  clk: tegra: remove legacy reset APIs
  ARM: tegra: remove legacy DMA entries from DT
  ARM: tegra: remove legacy clock entries from DT
  USB: EHCI: tegra: use reset framework
  Input: tegra-kbc - use reset framework
  serial: tegra: convert to standard DMA DT bindings
  serial: tegra: use reset framework
  spi: tegra: convert to standard DMA DT bindings
  spi: tegra: use reset framework
  staging: nvec: use reset framework
  i2c: tegra: use reset framework
  ASoC: tegra: convert to standard DMA DT bindings
  ASoC: tegra: allocate AHUB FIFO during probe() not startup()
  ASoC: tegra: call pm_runtime APIs around register accesses
  ASoC: tegra: use reset framework
  dma: tegra: register as an OF DMA controller
  dma: tegra: use reset framework
  ...
Signed-off-by: Olof Johansson <olof@lixom.net>

Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-pmc.txt

@@ -9,6 +9,7 @@ Required properties:
 - compatible : Should contain "nvidia,tegra<chip>-pmc".
 - reg : Offset and length of the register set for the device
 - clocks : Must contain an entry for each entry in clock-names.
+  See ../clocks/clock-bindings.txt for details.
 - clock-names : Must include the following entries:
   "pclk" (The Tegra clock of that name),
   "clk32k_in" (The 32KHz clock input to Tegra).

Documentation/devicetree/bindings/clock/nvidia,tegra114-car.txt

@@ -15,6 +15,9 @@ Required properties :
   In clock consumers, this cell represents the clock ID exposed by the
   CAR. The assignments may be found in header file
   <dt-bindings/clock/tegra114-car.h>.
+- #reset-cells : Should be 1.
+  In clock consumers, this cell represents the bit number in the CAR's
+  array of CLK_RST_CONTROLLER_RST_DEVICES_* registers.
 
 Example SoC include file:
 
@@ -23,6 +26,7 @@ Example SoC include file:
 		compatible = "nvidia,tegra114-car";
 		reg = <0x60006000 0x1000>;
 		#clock-cells = <1>;
+		#reset-cells = <1>;
 	};
 
 	usb@c5004000 {

Documentation/devicetree/bindings/clock/nvidia,tegra124-car.txt

+NVIDIA Tegra124 Clock And Reset Controller
+
+This binding uses the common clock binding:
+Documentation/devicetree/bindings/clock/clock-bindings.txt
+
+The CAR (Clock And Reset) Controller on Tegra is the HW module responsible
+for muxing and gating Tegra's clocks, and setting their rates.
+
+Required properties :
+- compatible : Should be "nvidia,tegra124-car"
+- reg : Should contain CAR registers location and length
+- clocks : Should contain phandle and clock specifiers for two clocks:
+  the 32 KHz "32k_in", and the board-specific oscillator "osc".
+- #clock-cells : Should be 1.
+  In clock consumers, this cell represents the clock ID exposed by the
+  CAR. The assignments may be found in header file
+  <dt-bindings/clock/tegra124-car.h>.
+- #reset-cells : Should be 1.
+  In clock consumers, this cell represents the bit number in the CAR's
+  array of CLK_RST_CONTROLLER_RST_DEVICES_* registers.
+
+Example SoC include file:
+
+/ {
+	tegra_car: clock {
+		compatible = "nvidia,tegra124-car";
+		reg = <0x60006000 0x1000>;
+		#clock-cells = <1>;
+		#reset-cells = <1>;
+	};
+
+	usb@c5004000 {
+		clocks = <&tegra_car TEGRA124_CLK_USB2>;
+	};
+};
+
+Example board file:
+
+/ {
+	clocks {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		osc: clock@0 {
+			compatible = "fixed-clock";
+			reg = <0>;
+			#clock-cells = <0>;
+			clock-frequency = <112400000>;
+		};
+
+		clk_32k: clock@1 {
+			compatible = "fixed-clock";
+			reg = <1>;
+			#clock-cells = <0>;
+			clock-frequency = <32768>;
+		};
+	};
+
+	&tegra_car {
+		clocks = <&clk_32k> <&osc>;
+	};
+};

Documentation/devicetree/bindings/clock/nvidia,tegra20-car.txt

@@ -15,6 +15,9 @@ Required properties :
   In clock consumers, this cell represents the clock ID exposed by the
   CAR. The assignments may be found in header file
   <dt-bindings/clock/tegra20-car.h>.
+- #reset-cells : Should be 1.
+  In clock consumers, this cell represents the bit number in the CAR's
+  array of CLK_RST_CONTROLLER_RST_DEVICES_* registers.
 
 Example SoC include file:
 
@@ -23,6 +26,7 @@ Example SoC include file:
 		compatible = "nvidia,tegra20-car";
 		reg = <0x60006000 0x1000>;
 		#clock-cells = <1>;
+		#reset-cells = <1>;
 	};
 
 	usb@c5004000 {

Documentation/devicetree/bindings/clock/nvidia,tegra30-car.txt

@@ -15,6 +15,9 @@ Required properties :
   In clock consumers, this cell represents the clock ID exposed by the
   CAR. The assignments may be found in header file
   <dt-bindings/clock/tegra30-car.h>.
+- #reset-cells : Should be 1.
+  In clock consumers, this cell represents the bit number in the CAR's
+  array of CLK_RST_CONTROLLER_RST_DEVICES_* registers.
 
 Example SoC include file:
 
@@ -23,6 +26,7 @@ Example SoC include file:
 		compatible = "nvidia,tegra30-car";
 		reg = <0x60006000 0x1000>;
 		#clock-cells = <1>;
+		#reset-cells = <1>;
 	};
 
 	usb@c5004000 {

Documentation/devicetree/bindings/dma/tegra20-apbdma.txt

@@ -5,6 +5,16 @@ Required properties:
 - reg: Should contain DMA registers location and length. This shuld include
   all of the per-channel registers.
 - interrupts: Should contain all of the per-channel DMA interrupts.
+- clocks: Must contain one entry, for the module clock.
+  See ../clocks/clock-bindings.txt for details.
+- resets : Must contain an entry for each entry in reset-names.
+  See ../reset/reset.txt for details.
+- reset-names : Must include the following entries:
+  - dma
+- #dma-cells : Must be <1>. This dictates the length of DMA specifiers in
+  client nodes' dmas properties. The specifier represents the DMA request
+  select value for the peripheral. For more details, consult the Tegra TRM's
+  documentation of the APB DMA channel control register REQ_SEL field.
 
 Examples:
 
@@ -27,4 +37,8 @@ apbdma: dma@6000a000 {
 		       0 149 0x04
 		       0 150 0x04
 		       0 151 0x04 >;
+	clocks = <&tegra_car 34>;
+	resets = <&tegra_car 34>;
+	reset-names = "dma";
+	#dma-cells = <1>;
 };

Documentation/devicetree/bindings/gpu/nvidia,tegra20-host1x.txt

@@ -9,6 +9,12 @@ Required properties:
 - #size-cells: The number of cells used to represent the size of an address
   range in the host1x address space. Should be 1.
 - ranges: The mapping of the host1x address space to the CPU address space.
+- clocks: Must contain one entry, for the module clock.
+  See ../clocks/clock-bindings.txt for details.
+- resets: Must contain an entry for each entry in reset-names.
+  See ../reset/reset.txt for details.
+- reset-names: Must include the following entries:
+  - host1x
 
 The host1x top-level node defines a number of children, each representing one
 of the following host1x client modules:
@@ -19,6 +25,12 @@ of the following host1x client modules:
   - compatible: "nvidia,tegra<chip>-mpe"
   - reg: Physical base address and length of the controller's registers.
   - interrupts: The interrupt outputs from the controller.
+  - clocks: Must contain one entry, for the module clock.
+    See ../clocks/clock-bindings.txt for details.
+  - resets: Must contain an entry for each entry in reset-names.
+    See ../reset/reset.txt for details.
+  - reset-names: Must include the following entries:
+    - mpe
 
 - vi: video input
 
@@ -26,6 +38,12 @@ of the following host1x client modules:
   - compatible: "nvidia,tegra<chip>-vi"
   - reg: Physical base address and length of the controller's registers.
   - interrupts: The interrupt outputs from the controller.
+  - clocks: Must contain one entry, for the module clock.
+    See ../clocks/clock-bindings.txt for details.
+  - resets: Must contain an entry for each entry in reset-names.
+    See ../reset/reset.txt for details.
+  - reset-names: Must include the following entries:
+    - vi
 
 - epp: encoder pre-processor
 
@@ -33,6 +51,12 @@ of the following host1x client modules:
   - compatible: "nvidia,tegra<chip>-epp"
   - reg: Physical base address and length of the controller's registers.
   - interrupts: The interrupt outputs from the controller.
+  - clocks: Must contain one entry, for the module clock.
+    See ../clocks/clock-bindings.txt for details.
+  - resets: Must contain an entry for each entry in reset-names.
+    See ../reset/reset.txt for details.
+  - reset-names: Must include the following entries:
+    - epp
 
 - isp: image signal processor
 
@@ -40,6 +64,12 @@ of the following host1x client modules:
   - compatible: "nvidia,tegra<chip>-isp"
   - reg: Physical base address and length of the controller's registers.
   - interrupts: The interrupt outputs from the controller.
+  - clocks: Must contain one entry, for the module clock.
+    See ../clocks/clock-bindings.txt for details.
+  - resets: Must contain an entry for each entry in reset-names.
+    See ../reset/reset.txt for details.
+  - reset-names: Must include the following entries:
+    - isp
 
 - gr2d: 2D graphics engine
 
@@ -47,12 +77,30 @@ of the following host1x client modules:
   - compatible: "nvidia,tegra<chip>-gr2d"
   - reg: Physical base address and length of the controller's registers.
   - interrupts: The interrupt outputs from the controller.
+  - clocks: Must contain one entry, for the module clock.
+    See ../clocks/clock-bindings.txt for details.
+  - resets: Must contain an entry for each entry in reset-names.
+    See ../reset/reset.txt for details.
+  - reset-names: Must include the following entries:
+    - 2d
 
 - gr3d: 3D graphics engine
 
   Required properties:
   - compatible: "nvidia,tegra<chip>-gr3d"
   - reg: Physical base address and length of the controller's registers.
+  - clocks: Must contain an entry for each entry in clock-names.
+    See ../clocks/clock-bindings.txt for details.
+  - clock-names: Must include the following entries:
+    (This property may be omitted if the only clock in the list is "3d")
+    - 3d
+      This MUST be the first entry.
+    - 3d2 (Only required on SoCs with two 3D clocks)
+  - resets: Must contain an entry for each entry in reset-names.
+    See ../reset/reset.txt for details.
+  - reset-names: Must include the following entries:
+    - 3d
+    - 3d2 (Only required on SoCs with two 3D clocks)
 
 - dc: display controller
 
@@ -60,6 +108,16 @@ of the following host1x client modules:
   - compatible: "nvidia,tegra<chip>-dc"
   - reg: Physical base address and length of the controller's registers.
   - interrupts: The interrupt outputs from the controller.
+  - clocks: Must contain an entry for each entry in clock-names.
+    See ../clocks/clock-bindings.txt for details.
+  - clock-names: Must include the following entries:
+    - dc
+      This MUST be the first entry.
+    - parent
+  - resets: Must contain an entry for each entry in reset-names.
+    See ../reset/reset.txt for details.
+  - reset-names: Must include the following entries:
+    - dc
 
   Each display controller node has a child node, named "rgb", that represents
   the RGB output associated with the controller. It can take the following
@@ -76,6 +134,16 @@ of the following host1x client modules:
   - interrupts: The interrupt outputs from the controller.
   - vdd-supply: regulator for supply voltage
   - pll-supply: regulator for PLL
+  - clocks: Must contain an entry for each entry in clock-names.
+    See ../clocks/clock-bindings.txt for details.
+  - clock-names: Must include the following entries:
+    - hdmi
+      This MUST be the first entry.
+    - parent
+  - resets: Must contain an entry for each entry in reset-names.
+    See ../reset/reset.txt for details.
+  - reset-names: Must include the following entries:
+    - hdmi
 
   Optional properties:
   - nvidia,ddc-i2c-bus: phandle of an I2C controller used for DDC EDID probing
@@ -88,12 +156,24 @@ of the following host1x client modules:
   - compatible: "nvidia,tegra<chip>-tvo"
   - reg: Physical base address and length of the controller's registers.
   - interrupts: The interrupt outputs from the controller.
+  - clocks: Must contain one entry, for the module clock.
+    See ../clocks/clock-bindings.txt for details.
 
 - dsi: display serial interface
 
   Required properties:
   - compatible: "nvidia,tegra<chip>-dsi"
   - reg: Physical base address and length of the controller's registers.
+  - clocks: Must contain an entry for each entry in clock-names.
+    See ../clocks/clock-bindings.txt for details.
+  - clock-names: Must include the following entries:
+    - dsi
+      This MUST be the first entry.
+    - parent
+  - resets: Must contain an entry for each entry in reset-names.
+    See ../reset/reset.txt for details.
+  - reset-names: Must include the following entries:
+    - dsi
 
 Example:
 
@@ -105,6 +185,9 @@ Example:
 		reg = <0x50000000 0x00024000>;
 		interrupts = <0 65 0x04   /* mpcore syncpt */
 			      0 67 0x04>; /* mpcore general */
+		clocks = <&tegra_car TEGRA20_CLK_HOST1X>;
+		resets = <&tegra_car 28>;
+		reset-names = "host1x";
 
 		#address-cells = <1>;
 		#size-cells = <1>;
@@ -115,41 +198,64 @@ Example:
 			compatible = "nvidia,tegra20-mpe";
 			reg = <0x54040000 0x00040000>;
 			interrupts = <0 68 0x04>;
+			clocks = <&tegra_car TEGRA20_CLK_MPE>;
+			resets = <&tegra_car 60>;
+			reset-names = "mpe";
 		};
 
 		vi {
 			compatible = "nvidia,tegra20-vi";
 			reg = <0x54080000 0x00040000>;
 			interrupts = <0 69 0x04>;
+			clocks = <&tegra_car TEGRA20_CLK_VI>;
+			resets = <&tegra_car 100>;
+			reset-names = "vi";
 		};
 
 		epp {
 			compatible = "nvidia,tegra20-epp";
 			reg = <0x540c0000 0x00040000>;
 			interrupts = <0 70 0x04>;
+			clocks = <&tegra_car TEGRA20_CLK_EPP>;
+			resets = <&tegra_car 19>;
+			reset-names = "epp";
 		};
 
 		isp {
 			compatible = "nvidia,tegra20-isp";
 			reg = <0x54100000 0x00040000>;
 			interrupts = <0 71 0x04>;
+			clocks = <&tegra_car TEGRA20_CLK_ISP>;
+			resets = <&tegra_car 23>;
+			reset-names = "isp";
 		};
 
 		gr2d {
 			compatible = "nvidia,tegra20-gr2d";
 			reg = <0x54140000 0x00040000>;
 			interrupts = <0 72 0x04>;
+			clocks = <&tegra_car TEGRA20_CLK_GR2D>;
+			resets = <&tegra_car 21>;
+			reset-names = "2d";
 		};
 
 		gr3d {
 			compatible = "nvidia,tegra20-gr3d";
 			reg = <0x54180000 0x00040000>;
+			clocks = <&tegra_car TEGRA20_CLK_GR3D>;
+			resets = <&tegra_car 24>;
+			reset-names = "3d";
 		};
 
 		dc@54200000 {
 			compatible = "nvidia,tegra20-dc";
 			reg = <0x54200000 0x00040000>;
 			interrupts = <0 73 0x04>;
+			clocks = <&tegra_car TEGRA20_CLK_DISP1>,
+				 <&tegra_car TEGRA20_CLK_PLL_P>;
+			clock-names = "disp1", "parent";
+			resets = <&tegra_car 27>;
+			reset-names = "dc";
 
 			rgb {
 				status = "disabled";
@@ -160,6 +266,11 @@ Example:
 			compatible = "nvidia,tegra20-dc";
 			reg = <0x54240000 0x00040000>;
 			interrupts = <0 74 0x04>;
+			clocks = <&tegra_car TEGRA20_CLK_DISP2>,
+				 <&tegra_car TEGRA20_CLK_PLL_P>;
+			clock-names = "disp2", "parent";
+			resets = <&tegra_car 26>;
+			reset-names = "dc";
 
 			rgb {
 				status = "disabled";
@@ -170,6 +281,11 @@ Example:
 			compatible = "nvidia,tegra20-hdmi";
 			reg = <0x54280000 0x00040000>;
 			interrupts = <0 75 0x04>;
+			clocks = <&tegra_car TEGRA20_CLK_HDMI>,
+				 <&tegra_car TEGRA20_CLK_PLL_D_OUT0>;
+			clock-names = "hdmi", "parent";
+			resets = <&tegra_car 51>;
+			reset-names = "hdmi";
 			status = "disabled";
 		};
 
@@ -177,12 +293,18 @@ Example:
 			compatible = "nvidia,tegra20-tvo";
 			reg = <0x542c0000 0x00040000>;
 			interrupts = <0 76 0x04>;
+			clocks = <&tegra_car TEGRA20_CLK_TVO>;
 			status = "disabled";
 		};
 
 		dsi {
 			compatible = "nvidia,tegra20-dsi";
 			reg = <0x54300000 0x00040000>;
+			clocks = <&tegra_car TEGRA20_CLK_DSI>,
+				 <&tegra_car TEGRA20_CLK_PLL_D_OUT0>;
+			clock-names = "dsi", "parent";
+			resets = <&tegra_car 48>;
+			reset-names = "dsi";
 			status = "disabled";
 		};
 	};

Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.txt

@@ -39,12 +39,23 @@ Required properties:
 - interrupts: Should contain I2C controller interrupts.
 - address-cells: Address cells for I2C device address.
 - size-cells: Size of the I2C device address.
-- clocks: Clock ID as per
-		Documentation/devicetree/bindings/clock/tegra<chip-id>.txt
-	for I2C controller.
-- clock-names: Name of the clock:
-	Tegra20/Tegra30 I2C controller: "div-clk and "fast-clk".
-	Tegra114 I2C controller: "div-clk".
+- clocks: Must contain an entry for each entry in clock-names.
+  See ../clocks/clock-bindings.txt for details.
+- clock-names: Must include the following entries:
+  Tegra20/Tegra30:
+  - div-clk
+  - fast-clk
+  Tegra114:
+  - div-clk
+- resets: Must contain an entry for each entry in reset-names.
+  See ../reset/reset.txt for details.
+- reset-names: Must include the following entries:
+  - i2c
+- dmas: Must contain an entry for each entry in clock-names.
+  See ../dma/dma.txt for details.
+- dma-names: Must include the following entries:
+  - rx
+  - tx
 
 Example:
 
@@ -56,5 +67,9 @@ Example:
 		#size-cells = <0>;
 		clocks = <&tegra_car 12>, <&tegra_car 124>;
 		clock-names = "div-clk", "fast-clk";
+		resets = <&tegra_car 12>;
+		reset-names = "i2c";
+		dmas = <&apbdma 16>, <&apbdma 16>;
+		dma-names = "rx", "tx";
 		status = "disabled";
 	};

Documentation/devicetree/bindings/input/nvidia,tegra20-kbc.txt

@@ -13,6 +13,12 @@ Required properties:
   array of pin numbers which is used as column.
 - linux,keymap: The keymap for keys as described in the binding document
   devicetree/bindings/input/matrix-keymap.txt.
+- clocks: Must contain one entry, for the module clock.
+  See ../clocks/clock-bindings.txt for details.
+- resets: Must contain an entry for each entry in reset-names.
+  See ../reset/reset.txt for details.
+- reset-names: Must include the following entries:
+  - kbc
 
 Optional properties, in addition to those specified by the shared
 matrix-keyboard bindings:
@@ -31,6 +37,9 @@ keyboard: keyboard {
 	compatible = "nvidia,tegra20-kbc";
 	reg = <0x7000e200 0x100>;
 	interrupts = <0 85 0x04>;
+	clocks = <&tegra_car 36>;
+	resets = <&tegra_car 36>;
+	reset-names = "kbc";
 	nvidia,ghost-filter;
 	nvidia,debounce-delay-ms = <640>;
 	nvidia,kbc-row-pins = <0 1 2>;    /* pin 0, 1, 2 as rows */

Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt

@@ -8,6 +8,12 @@ by mmc.txt and the properties used by the sdhci-tegra driver.
 
 Required properties:
 - compatible : Should be "nvidia,<chip>-sdhci"
+- clocks : Must contain one entry, for the module clock.
+  See ../clocks/clock-bindings.txt for details.
+- resets : Must contain an entry for each entry in reset-names.
+  See ../reset/reset.txt for details.
+- reset-names : Must include the following entries:
+  - sdhci
 
 Optional properties:
 - power-gpios : Specify GPIOs for power control
@@ -18,6 +24,9 @@ sdhci@c8000200 {
 	compatible = "nvidia,tegra20-sdhci";
 	reg = <0xc8000200 0x200>;
 	interrupts = <47>;
+	clocks = <&tegra_car 14>;
+	resets = <&tegra_car 14>;
+	reset-names = "sdhci";
 	cd-gpios = <&gpio 69 0>; /* gpio PI5 */
 	wp-gpios = <&gpio 57 0>; /* gpio PH1 */
 	power-gpios = <&gpio 155 0>; /* gpio PT3 */

Documentation/devicetree/bindings/nvec/nvidia,nvec.txt

@@ -7,3 +7,15 @@ Required properties:
 - clock-frequency : the frequency of the i2c bus
 - gpios : the gpio used for ec request
 - slave-addr: the i2c address of the slave controller
+- clocks : Must contain an entry for each entry in clock-names.
+  See ../clocks/clock-bindings.txt for details.
+- clock-names : Must include the following entries:
+  Tegra20/Tegra30:
+  - div-clk
+  - fast-clk
+  Tegra114:
+  - div-clk
+- resets : Must contain an entry for each entry in reset-names.
+  See ../reset/reset.txt for details.
+- reset-names : Must include the following entries:
+  - i2c

Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt

@@ -42,14 +42,19 @@ Required properties:
     - 0xc2000000: prefetchable memory region
   Please refer to the standard PCI bus binding document for a more detailed
   explanation.
-- clocks: List of clock inputs of the controller. Must contain an entry for
-  each entry in the clock-names property.
+- clocks: Must contain an entry for each entry in clock-names.
+  See ../clocks/clock-bindings.txt for details.
 - clock-names: Must include the following entries:
-  "pex": The Tegra clock of that name
-  "afi": The Tegra clock of that name
-  "pcie_xclk": The Tegra clock of that name
-  "pll_e": The Tegra clock of that name
-  "cml": The Tegra clock of that name (not required for Tegra20)
+  - pex
+  - afi
+  - pll_e
+  - cml (not required for Tegra20)
+- resets: Must contain an entry for each entry in reset-names.
+  See ../reset/reset.txt for details.
+- reset-names: Must include the following entries:
+  - pex
+  - afi
+  - pcie_x
 
 Root ports are defined as subnodes of the PCIe controller node.
 
@@ -91,9 +96,10 @@ SoC DTSI:
 			  0x82000000 0 0xa0000000 0xa0000000 0 0x10000000   /* non-prefetchable memory */
 			  0xc2000000 0 0xb0000000 0xb0000000 0 0x10000000>; /* prefetchable memory */
 
-		clocks = <&tegra_car 70>, <&tegra_car 72>, <&tegra_car 74>,
-			 <&tegra_car 118>;
-		clock-names = "pex", "afi", "pcie_xclk", "pll_e";
+		clocks = <&tegra_car 70>, <&tegra_car 72>, <&tegra_car 118>;
+		clock-names = "pex", "afi", "pll_e";
+		resets = <&tegra_car 70>, <&tegra_car 72>, <&tegra_car 74>;
+		reset-names = "pex", "afi", "pcie_x";
 		status = "disabled";
 
 		pci@1,0 {

Documentation/devicetree/bindings/pwm/nvidia,tegra20-pwm.txt

@@ -7,6 +7,12 @@ Required properties:
 - reg: physical base address and length of the controller's registers
 - #pwm-cells: should be 2. See pwm.txt in this directory for a description of
   the cells format.
+- clocks: Must contain one entry, for the module clock.
+  See ../clocks/clock-bindings.txt for details.
+- resets: Must contain an entry for each entry in reset-names.
+  See ../reset/reset.txt for details.
+- reset-names: Must include the following entries:
+  - pwm
 
 Example:
 
@@ -14,4 +20,7 @@ Example:
 		compatible = "nvidia,tegra20-pwm";
 		reg = <0x7000a000 0x100>;
 		#pwm-cells = <2>;
+		clocks = <&tegra_car 17>;
+		resets = <&tegra_car 17>;
+		reset-names = "pwm";
 	};

Documentation/devicetree/bindings/rtc/nvidia,tegra20-rtc.txt

@@ -9,6 +9,8 @@ Required properties:
 - compatible : should be "nvidia,tegra20-rtc".
 - reg : Specifies base physical address and size of the registers.
 - interrupts : A single interrupt specifier.
+- clocks : Must contain one entry, for the module clock.
+  See ../clocks/clock-bindings.txt for details.
 
 Example:
 
@@ -16,4 +18,5 @@ timer {
 	compatible = "nvidia,tegra20-rtc";
 	reg = <0x7000e000 0x100>;
 	interrupts = <0 2 0x04>;
+	clocks = <&tegra_car 4>;
 };

Documentation/devicetree/bindings/serial/nvidia,tegra20-hsuart.txt

@@ -4,8 +4,17 @@ Required properties:
 - compatible : should be "nvidia,tegra30-hsuart", "nvidia,tegra20-hsuart".
 - reg: Should contain UART controller registers location and length.
 - interrupts: Should contain UART controller interrupts.
-- nvidia,dma-request-selector : The Tegra DMA controller's phandle and
-  request selector for this UART controller.
+- clocks: Must contain one entry, for the module clock.
+  See ../clocks/clock-bindings.txt for details.
+- resets : Must contain an entry for each entry in reset-names.
+  See ../reset/reset.txt for details.
+- reset-names : Must include the following entries:
+  - serial
+- dmas : Must contain an entry for each entry in clock-names.
+  See ../dma/dma.txt for details.
+- dma-names : Must include the following entries:
+  - rx
+  - tx
 
 Optional properties:
 - nvidia,enable-modem-interrupt: Enable modem interrupts. Should be enable
@@ -18,7 +27,11 @@ serial@70006000 {
 	reg = <0x70006000 0x40>;
 	reg-shift = <2>;
 	interrupts = <0 36 0x04>;
-	nvidia,dma-request-selector = <&apbdma 8>;
 	nvidia,enable-modem-interrupt;
+	clocks = <&tegra_car 6>;
+	resets = <&tegra_car 6>;
+	reset-names = "serial";
+	dmas = <&apbdma 8>, <&apbdma 8>;
+	dma-names = "rx", "tx";
 	status = "disabled";
 };

Documentation/devicetree/bindings/sound/nvidia,tegra-audio-alc5632.txt

@@ -3,10 +3,11 @@ NVIDIA Tegra audio complex
 Required properties:
 - compatible : "nvidia,tegra-audio-alc5632"
 - clocks : Must contain an entry for each entry in clock-names.
+  See ../clocks/clock-bindings.txt for details.
 - clock-names : Must include the following entries:
-  "pll_a" (The Tegra clock of that name),
-  "pll_a_out0" (The Tegra clock of that name),
-  "mclk" (The Tegra cdev1/extern1 clock, which feeds the CODEC's mclk)
+  - pll_a
+  - pll_a_out0
+  - mclk (The Tegra cdev1/extern1 clock, which feeds the CODEC's mclk)
 - nvidia,model : The user-visible name of this sound complex.
 - nvidia,audio-routing : A list of the connections between audio components.
   Each entry is a pair of strings, the first being the connection's sink,

Documentation/devicetree/bindings/sound/nvidia,tegra-audio-rt5640.txt

@@ -3,10 +3,11 @@ NVIDIA Tegra audio complex, with RT5640 CODEC
 Required properties:
 - compatible : "nvidia,tegra-audio-rt5640"
 - clocks : Must contain an entry for each entry in clock-names.
+  See ../clocks/clock-bindings.txt for details.
 - clock-names : Must include the following entries:
-  "pll_a" (The Tegra clock of that name),
-  "pll_a_out0" (The Tegra clock of that name),
-  "mclk" (The Tegra cdev1/extern1 clock, which feeds the CODEC's mclk)
+  - pll_a
+  - pll_a_out0
+  - mclk (The Tegra cdev1/extern1 clock, which feeds the CODEC's mclk)
 - nvidia,model : The user-visible name of this sound complex.
 - nvidia,audio-routing : A list of the connections between audio components.
   Each entry is a pair of strings, the first being the connection's sink,

Documentation/devicetree/bindings/sound/nvidia,tegra-audio-wm8753.txt

@@ -3,10 +3,11 @@ NVIDIA Tegra audio complex
 Required properties:
 - compatible : "nvidia,tegra-audio-wm8753"
 - clocks : Must contain an entry for each entry in clock-names.
+  See ../clocks/clock-bindings.txt for details.
 - clock-names : Must include the following entries:
-  "pll_a" (The Tegra clock of that name),
-  "pll_a_out0" (The Tegra clock of that name),
-  "mclk" (The Tegra cdev1/extern1 clock, which feeds the CODEC's mclk)
+  - pll_a
+  - pll_a_out0
+  - mclk (The Tegra cdev1/extern1 clock, which feeds the CODEC's mclk)
 - nvidia,model : The user-visible name of this sound complex.
 - nvidia,audio-routing : A list of the connections between audio components.
   Each entry is a pair of strings, the first being the connection's sink,

Documentation/devicetree/bindings/sound/nvidia,tegra-audio-wm8903.txt

@@ -3,10 +3,11 @@ NVIDIA Tegra audio complex
 Required properties:
 - compatible : "nvidia,tegra-audio-wm8903"
 - clocks : Must contain an entry for each entry in clock-names.
+  See ../clocks/clock-bindings.txt for details.
 - clock-names : Must include the following entries:
-  "pll_a" (The Tegra clock of that name),
-  "pll_a_out0" (The Tegra clock of that name),
-  "mclk" (The Tegra cdev1/extern1 clock, which feeds the CODEC's mclk)
+  - pll_a
+  - pll_a_out0
+  - mclk (The Tegra cdev1/extern1 clock, which feeds the CODEC's mclk)
 - nvidia,model : The user-visible name of this sound complex.
 - nvidia,audio-routing : A list of the connections between audio components.
   Each entry is a pair of strings, the first being the connection's sink,

Documentation/devicetree/bindings/sound/nvidia,tegra-audio-wm9712.txt

@@ -3,10 +3,11 @@ NVIDIA Tegra audio complex
 Required properties:
 - compatible : "nvidia,tegra-audio-wm9712"
 - clocks : Must contain an entry for each entry in clock-names.
+  See ../clocks/clock-bindings.txt for details.
 - clock-names : Must include the following entries:
-  "pll_a" (The Tegra clock of that name),
-  "pll_a_out0" (The Tegra clock of that name),
-  "mclk" (The Tegra cdev1/extern1 clock, which feeds the CODEC's mclk)
+  - pll_a
+  - pll_a_out0
+  - mclk (The Tegra cdev1/extern1 clock, which feeds the CODEC's mclk)
 - nvidia,model : The user-visible name of this sound complex.
 - nvidia,audio-routing : A list of the connections between audio components.
   Each entry is a pair of strings, the first being the connection's sink,

Documentation/devicetree/bindings/sound/nvidia,tegra20-ac97.txt

@@ -4,19 +4,33 @@ Required properties:
 - compatible : "nvidia,tegra20-ac97"
 - reg : Should contain AC97 controller registers location and length
 - interrupts : Should contain AC97 interrupt
-- nvidia,dma-request-selector : The Tegra DMA controller's phandle and
-  request selector for the AC97 controller
+- resets : Must contain an entry for each entry in reset-names.
+  See ../reset/reset.txt for details.
+- reset-names : Must include the following entries:
+  - ac97
+- dmas : Must contain an entry for each entry in clock-names.
+  See ../dma/dma.txt for details.
+- dma-names : Must include the following entries:
+  - rx
+  - tx
+- clocks : Must contain one entry, for the module clock.
+  See ../clocks/clock-bindings.txt for details.
 - nvidia,codec-reset-gpio : The Tegra GPIO controller's phandle and the number
   of the GPIO used to reset the external AC97 codec
 - nvidia,codec-sync-gpio : The Tegra GPIO controller's phandle and the number
   of the GPIO corresponding with the AC97 DAP _FS line
+
 Example:
 
 ac97@70002000 {
 	compatible = "nvidia,tegra20-ac97";
 	reg = <0x70002000 0x200>;
 	interrupts = <0 81 0x04>;
-	nvidia,dma-request-selector = <&apbdma 12>;
 	nvidia,codec-reset-gpio = <&gpio 170 0>;
 	nvidia,codec-sync-gpio = <&gpio 120 0>;
+	clocks = <&tegra_car 3>;
+	resets = <&tegra_car 3>;
+	reset-names = "ac97";
+	dmas = <&apbdma 12>, <&apbdma 12>;
+	dma-names = "rx", "tx";
 };

Documentation/devicetree/bindings/sound/nvidia,tegra20-i2s.txt

@@ -4,8 +4,17 @@ Required properties:
 - compatible : "nvidia,tegra20-i2s"
 - reg : Should contain I2S registers location and length
 - interrupts : Should contain I2S interrupt
-- nvidia,dma-request-selector : The Tegra DMA controller's phandle and
-  request selector for this I2S controller
+- resets : Must contain an entry for each entry in reset-names.
+  See ../reset/reset.txt for details.
+- reset-names : Must include the following entries:
+  - i2s
+- dmas : Must contain an entry for each entry in clock-names.
+  See ../dma/dma.txt for details.
+- dma-names : Must include the following entries:
+  - rx
+  - tx
+- clocks : Must contain one entry, for the module clock.
+  See ../clocks/clock-bindings.txt for details.
 
 Example:
 
@@ -13,5 +22,9 @@ i2s@70002800 {
 	compatible = "nvidia,tegra20-i2s";
 	reg = <0x70002800 0x200>;
 	interrupts = < 45 >;
-	nvidia,dma-request-selector = < &apbdma 2 >;
+	clocks = <&tegra_car 11>;
+	resets = <&tegra_car 11>;
+	reset-names = "i2s";
+	dmas = <&apbdma 21>, <&apbdma 21>;
+	dma-names = "rx", "tx";
 };

Documentation/devicetree/bindings/sound/nvidia,tegra30-ahub.txt

@@ -7,18 +7,48 @@ Required properties:
   - Tegra30 requires 2 entries, for the APBIF and AHUB/AUDIO register blocks.
   - Tegra114 requires an additional entry, for the APBIF2 register block.
 - interrupts : Should contain AHUB interrupt
-- nvidia,dma-request-selector : A list of the DMA channel specifiers. Each
-  entry contains the Tegra DMA controller's phandle and request selector.
-  If a single entry is present, the request selectors for the channels are
-  assumed to be contiguous, and increment from this value.
-  If multiple values are given, one value must be given per channel.
-- clocks : Must contain an entry for each required entry in clock-names.
+- clocks : Must contain an entry for each entry in clock-names.
+  See ../clocks/clock-bindings.txt for details.
 - clock-names : Must include the following entries:
-  - Tegra30: Requires d_audio, apbif, i2s0, i2s1, i2s2, i2s3, i2s4, dam0,
-    dam1, dam2, spdif_in.
-  - Tegra114: Additionally requires amx, adx.
+  - d_audio
+  - apbif
+- resets : Must contain an entry for each entry in reset-names.
+  See ../reset/reset.txt for details.
+- reset-names : Must include the following entries:
+  Tegra30 and later:
+  - d_audio
+  - apbif
+  - i2s0
+  - i2s1
+  - i2s2
+  - i2s3
+  - i2s4
+  - dam0
+  - dam1
+  - dam2
+  - spdif
+  Tegra114 and later additionally require:
+  - amx
+  - adx
+  Tegra124 and later additionally require:
+  - amx1
+  - adx1
+  - afc0
+  - afc1
+  - afc2
+  - afc3
+  - afc4
+  - afc5
 - ranges : The bus address mapping for the configlink register bus.
   Can be empty since the mapping is 1:1.
+- dmas : Must contain an entry for each entry in clock-names.
+  See ../dma/dma.txt for details.
+- dma-names : Must include the following entries:
+  - rx0 .. rx<n>
+  - tx0 .. tx<n>
+  ... where n is:
+  Tegra30: 3
+  Tegra114, Tegra124: 9
 - #address-cells : For the configlink bus. Should be <1>;
 - #size-cells : For the configlink bus. Should be <1>.
 
@@ -35,13 +65,20 @@ ahub@70080000 {
 	reg = <0x70080000 0x200 0x70080200 0x100>;
 	interrupts = < 0 103 0x04 >;
 	nvidia,dma-request-selector = <&apbdma 1>;
-	clocks = <&tegra_car 106>, <&tegra_car 107>, <&tegra_car 30>,
+	clocks = <&tegra_car 106>, <&tegra_car 107>;
+	clock-names = "d_audio", "apbif";
+	resets = <&tegra_car 106>, <&tegra_car 107>, <&tegra_car 30>,
 		<&tegra_car 11>, <&tegra_car 18>, <&tegra_car 101>,
 		<&tegra_car 102>, <&tegra_car 108>, <&tegra_car 109>,
-		<&tegra_car 110>, <&tegra_car 162>;
-	clock-names = "d_audio", "apbif", "i2s0", "i2s1", "i2s2",
+		<&tegra_car 110>, <&tegra_car 10>;
+	reset-names = "d_audio", "apbif", "i2s0", "i2s1", "i2s2",
 		"i2s3", "i2s4", "dam0", "dam1", "dam2",
-		"spdif_in";
+		"spdif";
+	dmas = <&apbdma 1>, <&apbdma 1>;
+	       <&apbdma 2>, <&apbdma 2>;
+	       <&apbdma 3>, <&apbdma 3>;
+	       <&apbdma 4>, <&apbdma 4>;
+	dma-names = "rx0", "tx0", "rx1", "tx1", "rx2", "tx2", "rx3", "tx3";
 	ranges;
 	#address-cells = <1>;
 	#size-cells = <1>;

Documentation/devicetree/bindings/sound/nvidia,tegra30-i2s.txt

@@ -3,13 +3,22 @@ NVIDIA Tegra30 I2S controller
 Required properties:
 - compatible : "nvidia,tegra30-i2s"
 - reg : Should contain I2S registers location and length
+- clocks : Must contain one entry, for the module clock.
+  See ../clocks/clock-bindings.txt for details.
+- resets : Must contain an entry for each entry in reset-names.
+  See ../reset/reset.txt for details.
+- reset-names : Must include the following entries:
+  - i2s
 - nvidia,ahub-cif-ids : The list of AHUB CIF IDs for this port, rx (playback)
   first, tx (capture) second. See nvidia,tegra30-ahub.txt for values.
 
 Example:
 
-i2s@70002800 {
+i2s@70080300 {
 	compatible = "nvidia,tegra30-i2s";
 	reg = <0x70080300 0x100>;
 	nvidia,ahub-cif-ids = <4 4>;
+	clocks = <&tegra_car 11>;
+	resets = <&tegra_car 11>;
+	reset-names = "i2s";
 };

Documentation/devicetree/bindings/spi/nvidia,tegra114-spi.txt

@@ -4,10 +4,19 @@ Required properties:
 - compatible : should be "nvidia,tegra114-spi".
 - reg: Should contain SPI registers location and length.
 - interrupts: Should contain SPI interrupts.
-- nvidia,dma-request-selector : The Tegra DMA controller's phandle and
-  request selector for this SPI controller.
-- This is also require clock named "spi" as per binding document
-  Documentation/devicetree/bindings/clock/clock-bindings.txt
+- clock-names : Must include the following entries:
+  - spi
+- resets : Must contain an entry for each entry in reset-names.
+  See ../reset/reset.txt for details.
+- reset-names : Must include the following entries:
+  - spi
+- dmas : Must contain an entry for each entry in clock-names.
+  See ../dma/dma.txt for details.
+- dma-names : Must include the following entries:
+  - rx
+  - tx
+- clocks : Must contain an entry for each entry in clock-names.
+  See ../clocks/clock-bindings.txt for details.
 
 Recommended properties:
 - spi-max-frequency: Definition as per
@@ -18,9 +27,14 @@ spi@7000d600 {
 	compatible = "nvidia,tegra114-spi";
 	reg = <0x7000d600 0x200>;
 	interrupts = <0 82 0x04>;
-	nvidia,dma-request-selector = <&apbdma 16>;
 	spi-max-frequency = <25000000>;
 	#address-cells = <1>;
 	#size-cells = <0>;
+	clocks = <&tegra_car 44>;
+	clock-names = "spi";
+	resets = <&tegra_car 44>;
+	reset-names = "spi";
+	dmas = <&apbdma 16>, <&apbdma 16>;
+	dma-names = "rx", "tx";
 	status = "disabled";
 };

Documentation/devicetree/bindings/spi/nvidia,tegra20-sflash.txt

@@ -4,8 +4,17 @@ Required properties:
 - compatible : should be "nvidia,tegra20-sflash".
 - reg: Should contain SFLASH registers location and length.
 - interrupts: Should contain SFLASH interrupts.
-- nvidia,dma-request-selector : The Tegra DMA controller's phandle and
-  request selector for this SFLASH controller.
+- clocks : Must contain one entry, for the module clock.
+  See ../clocks/clock-bindings.txt for details.
+- resets : Must contain an entry for each entry in reset-names.
+  See ../reset/reset.txt for details.
+- reset-names : Must include the following entries:
+  - spi
+- dmas : Must contain an entry for each entry in clock-names.
+  See ../dma/dma.txt for details.
+- dma-names : Must include the following entries:
+  - rx
+  - tx
 
 Recommended properties:
 - spi-max-frequency: Definition as per
@@ -17,10 +26,13 @@ spi@7000c380 {
 	compatible = "nvidia,tegra20-sflash";
 	reg = <0x7000c380 0x80>;
 	interrupts = <0 39 0x04>;
-	nvidia,dma-request-selector = <&apbdma 16>;
 	spi-max-frequency = <25000000>;
 	#address-cells = <1>;
 	#size-cells = <0>;
+	clocks = <&tegra_car 43>;
+	resets = <&tegra_car 43>;
+	reset-names = "spi";
+	dmas = <&apbdma 11>, <&apbdma 11>;
+	dma-names = "rx", "tx";
 	status = "disabled";
 };
-

Documentation/devicetree/bindings/spi/nvidia,tegra20-slink.txt

@@ -4,8 +4,17 @@ Required properties:
 - compatible : should be "nvidia,tegra20-slink", "nvidia,tegra30-slink".
 - reg: Should contain SLINK registers location and length.
 - interrupts: Should contain SLINK interrupts.
-- nvidia,dma-request-selector : The Tegra DMA controller's phandle and
-  request selector for this SLINK controller.
+- clocks : Must contain one entry, for the module clock.
+  See ../clocks/clock-bindings.txt for details.
+- resets : Must contain an entry for each entry in reset-names.
+  See ../reset/reset.txt for details.
+- reset-names : Must include the following entries:
+  - spi
+- dmas : Must contain an entry for each entry in clock-names.
+  See ../dma/dma.txt for details.
+- dma-names : Must include the following entries:
+  - rx
+  - tx
 
 Recommended properties:
 - spi-max-frequency: Definition as per
@@ -17,10 +26,13 @@ spi@7000d600 {
 	compatible = "nvidia,tegra20-slink";
 	reg = <0x7000d600 0x200>;
 	interrupts = <0 82 0x04>;
-	nvidia,dma-request-selector = <&apbdma 16>;
 	spi-max-frequency = <25000000>;
 	#address-cells = <1>;
 	#size-cells = <0>;
+	clocks = <&tegra_car 44>;
+	resets = <&tegra_car 44>;
+	reset-names = "spi";
+	dmas = <&apbdma 16>, <&apbdma 16>;
+	dma-names = "rx", "tx";
 	status = "disabled";
 };
-

Documentation/devicetree/bindings/timer/nvidia,tegra20-timer.txt

@@ -8,6 +8,8 @@ Required properties:
 - compatible : should be "nvidia,tegra20-timer".
 - reg : Specifies base physical address and size of the registers.
 - interrupts : A list of 4 interrupts; one per timer channel.
+- clocks : Must contain one entry, for the module clock.
+  See ../clocks/clock-bindings.txt for details.
 
 Example:
 
@@ -18,4 +20,5 @@ timer {
 			0 1 0x04
 			0 41 0x04
 			0 42 0x04>;
+	clocks = <&tegra_car 132>;
 };

Documentation/devicetree/bindings/timer/nvidia,tegra30-timer.txt

@@ -10,6 +10,8 @@ Required properties:
 - reg : Specifies base physical address and size of the registers.
 - interrupts : A list of 6 interrupts; one per each of timer channels 1
     through 5, and one for the shared interrupt for the remaining channels.
+- clocks : Must contain one entry, for the module clock.
+  See ../clocks/clock-bindings.txt for details.
 
 timer {
 	compatible = "nvidia,tegra30-timer", "nvidia,tegra20-timer";
@@ -20,4 +22,5 @@ timer {
 		      0 42 0x04
 		      0 121 0x04
 		      0 122 0x04>;
+	clocks = <&tegra_car 214>;
 };

Documentation/devicetree/bindings/usb/nvidia,tegra20-ehci.txt

@@ -8,7 +8,12 @@ and additions :
 Required properties :
  - compatible : Should be "nvidia,tegra20-ehci".
  - nvidia,phy : phandle of the PHY that the controller is connected to.
- - clocks : Contains a single entry which defines the USB controller's clock.
+ - clocks : Must contain one entry, for the module clock.
+   See ../clocks/clock-bindings.txt for details.
+ - resets : Must contain an entry for each entry in reset-names.
+   See ../reset/reset.txt for details.
+ - reset-names : Must include the following entries:
+   - usb
 
 Optional properties:
  - nvidia,needs-double-reset : boolean is to be set for some of the Tegra20

arch/arm/boot/dts/tegra20-paz00.dts

@@ -280,6 +280,8 @@ nvec {
 		clocks = <&tegra_car TEGRA20_CLK_I2C3>,
 		       	 <&tegra_car TEGRA20_CLK_PLL_P_OUT3>;
 		clock-names = "div-clk", "fast-clk";
+		resets = <&tegra_car 67>;
+		reset-names = "i2c";
 	};
 
 	i2c@7000d000 {

arch/arm/mach-tegra/Kconfig

@@ -14,6 +14,8 @@ config ARCH_TEGRA
 	select MIGHT_HAVE_CACHE_L2X0
 	select MIGHT_HAVE_PCI
 	select PINCTRL
+	select ARCH_HAS_RESET_CONTROLLER
+	select RESET_CONTROLLER
 	select SOC_BUS
 	select SPARSE_IRQ
 	select USB_ARCH_HAS_EHCI if USB_SUPPORT

arch/arm/mach-tegra/powergate.c

@@ -25,6 +25,7 @@
 #include <linux/export.h>
 #include <linux/init.h>
 #include <linux/io.h>
+#include <linux/reset.h>
 #include <linux/seq_file.h>
 #include <linux/spinlock.h>
 #include <linux/clk/tegra.h>
@@ -144,11 +145,12 @@ int tegra_powergate_remove_clamping(int id)
 }
 
 /* Must be called with clk disabled, and returns with clk enabled */
-int tegra_powergate_sequence_power_up(int id, struct clk *clk)
+int tegra_powergate_sequence_power_up(int id, struct clk *clk,
+					struct reset_control *rst)
 {
 	int ret;
 
-	tegra_periph_reset_assert(clk);
+	reset_control_assert(rst);
 
 	ret = tegra_powergate_power_on(id);
 	if (ret)
@@ -165,7 +167,7 @@ int tegra_powergate_sequence_power_up(int id, struct clk *clk)
 		goto err_clamp;
 
 	udelay(10);
-	tegra_periph_reset_deassert(clk);
+	reset_control_deassert(rst);
 
 	return 0;
 

drivers/clk/tegra/Makefile

@@ -6,7 +6,12 @@ obj-y					+= clk-periph-gate.o
 obj-y					+= clk-pll.o
 obj-y					+= clk-pll-out.o
 obj-y					+= clk-super.o
-
+obj-y					+= clk-tegra-audio.o
+obj-y					+= clk-tegra-periph.o
+obj-y					+= clk-tegra-pmc.o
+obj-y					+= clk-tegra-fixed.o
+obj-y					+= clk-tegra-super-gen4.o
 obj-$(CONFIG_ARCH_TEGRA_2x_SOC)         += clk-tegra20.o
 obj-$(CONFIG_ARCH_TEGRA_3x_SOC)         += clk-tegra30.o
 obj-$(CONFIG_ARCH_TEGRA_114_SOC)	+= clk-tegra114.o
+obj-$(CONFIG_ARCH_TEGRA_124_SOC)	+= clk-tegra124.o

drivers/clk/tegra/clk-id.h

+/*
+ * This header provides IDs for clocks common between several Tegra SoCs
+ */
+#ifndef _TEGRA_CLK_ID_H
+#define _TEGRA_CLK_ID_H
+
+enum clk_id {
+	tegra_clk_actmon,
+	tegra_clk_adx,
+	tegra_clk_adx1,
+	tegra_clk_afi,
+	tegra_clk_amx,
+	tegra_clk_amx1,
+	tegra_clk_apbdma,
+	tegra_clk_apbif,
+	tegra_clk_audio0,
+	tegra_clk_audio0_2x,
+	tegra_clk_audio0_mux,
+	tegra_clk_audio1,
+	tegra_clk_audio1_2x,
+	tegra_clk_audio1_mux,
+	tegra_clk_audio2,
+	tegra_clk_audio2_2x,
+	tegra_clk_audio2_mux,
+	tegra_clk_audio3,
+	tegra_clk_audio3_2x,
+	tegra_clk_audio3_mux,
+	tegra_clk_audio4,
+	tegra_clk_audio4_2x,
+	tegra_clk_audio4_mux,
+	tegra_clk_blink,
+	tegra_clk_bsea,
+	tegra_clk_bsev,
+	tegra_clk_cclk_g,
+	tegra_clk_cclk_lp,
+	tegra_clk_cilab,
+	tegra_clk_cilcd,
+	tegra_clk_cile,
+	tegra_clk_clk_32k,
+	tegra_clk_clk72Mhz,
+	tegra_clk_clk_m,
+	tegra_clk_clk_m_div2,
+	tegra_clk_clk_m_div4,
+	tegra_clk_clk_out_1,
+	tegra_clk_clk_out_1_mux,
+	tegra_clk_clk_out_2,
+	tegra_clk_clk_out_2_mux,
+	tegra_clk_clk_out_3,
+	tegra_clk_clk_out_3_mux,
+	tegra_clk_cml0,
+	tegra_clk_cml1,
+	tegra_clk_csi,
+	tegra_clk_csite,
+	tegra_clk_csus,
+	tegra_clk_cve,
+	tegra_clk_dam0,
+	tegra_clk_dam1,
+	tegra_clk_dam2,
+	tegra_clk_d_audio,
+	tegra_clk_dds,
+	tegra_clk_dfll_ref,
+	tegra_clk_dfll_soc,
+	tegra_clk_disp1,
+	tegra_clk_disp2,
+	tegra_clk_dp2,
+	tegra_clk_dpaux,
+	tegra_clk_dsia,
+	tegra_clk_dsialp,
+	tegra_clk_dsia_mux,
+	tegra_clk_dsib,
+	tegra_clk_dsiblp,
+	tegra_clk_dsib_mux,
+	tegra_clk_dtv,
+	tegra_clk_emc,
+	tegra_clk_entropy,
+	tegra_clk_epp,
+	tegra_clk_epp_8,
+	tegra_clk_extern1,
+	tegra_clk_extern2,
+	tegra_clk_extern3,
+	tegra_clk_fuse,
+	tegra_clk_fuse_burn,
+	tegra_clk_gpu,
+	tegra_clk_gr2d,
+	tegra_clk_gr2d_8,
+	tegra_clk_gr3d,
+	tegra_clk_gr3d_8,
+	tegra_clk_hclk,
+	tegra_clk_hda,
+	tegra_clk_hda2codec_2x,
+	tegra_clk_hda2hdmi,
+	tegra_clk_hdmi,
+	tegra_clk_hdmi_audio,
+	tegra_clk_host1x,
+	tegra_clk_host1x_8,
+	tegra_clk_i2c1,
+	tegra_clk_i2c2,
+	tegra_clk_i2c3,
+	tegra_clk_i2c4,
+	tegra_clk_i2c5,
+	tegra_clk_i2c6,
+	tegra_clk_i2cslow,
+	tegra_clk_i2s0,
+	tegra_clk_i2s0_sync,
+	tegra_clk_i2s1,
+	tegra_clk_i2s1_sync,
+	tegra_clk_i2s2,
+	tegra_clk_i2s2_sync,
+	tegra_clk_i2s3,
+	tegra_clk_i2s3_sync,
+	tegra_clk_i2s4,
+	tegra_clk_i2s4_sync,
+	tegra_clk_isp,
+	tegra_clk_isp_8,
+	tegra_clk_ispb,
+	tegra_clk_kbc,
+	tegra_clk_kfuse,
+	tegra_clk_la,
+	tegra_clk_mipi,
+	tegra_clk_mipi_cal,
+	tegra_clk_mpe,
+	tegra_clk_mselect,
+	tegra_clk_msenc,
+	tegra_clk_ndflash,
+	tegra_clk_ndflash_8,
+	tegra_clk_ndspeed,
+	tegra_clk_ndspeed_8,
+	tegra_clk_nor,
+	tegra_clk_owr,
+	tegra_clk_pcie,
+	tegra_clk_pclk,
+	tegra_clk_pll_a,
+	tegra_clk_pll_a_out0,
+	tegra_clk_pll_c,
+	tegra_clk_pll_c2,
+	tegra_clk_pll_c3,
+	tegra_clk_pll_c4,
+	tegra_clk_pll_c_out1,
+	tegra_clk_pll_d,
+	tegra_clk_pll_d2,
+	tegra_clk_pll_d2_out0,
+	tegra_clk_pll_d_out0,
+	tegra_clk_pll_dp,
+	tegra_clk_pll_e_out0,
+	tegra_clk_pll_m,
+	tegra_clk_pll_m_out1,
+	tegra_clk_pll_p,
+	tegra_clk_pll_p_out1,
+	tegra_clk_pll_p_out2,
+	tegra_clk_pll_p_out2_int,
+	tegra_clk_pll_p_out3,
+	tegra_clk_pll_p_out4,
+	tegra_clk_pll_p_out5,
+	tegra_clk_pll_ref,
+	tegra_clk_pll_re_out,
+	tegra_clk_pll_re_vco,
+	tegra_clk_pll_u,
+	tegra_clk_pll_u_12m,
+	tegra_clk_pll_u_480m,
+	tegra_clk_pll_u_48m,
+	tegra_clk_pll_u_60m,
+	tegra_clk_pll_x,
+	tegra_clk_pll_x_out0,
+	tegra_clk_pwm,
+	tegra_clk_rtc,
+	tegra_clk_sata,
+	tegra_clk_sata_cold,
+	tegra_clk_sata_oob,
+	tegra_clk_sbc1,
+	tegra_clk_sbc1_8,
+	tegra_clk_sbc2,
+	tegra_clk_sbc2_8,
+	tegra_clk_sbc3,
+	tegra_clk_sbc3_8,
+	tegra_clk_sbc4,
+	tegra_clk_sbc4_8,
+	tegra_clk_sbc5,
+	tegra_clk_sbc5_8,
+	tegra_clk_sbc6,
+	tegra_clk_sbc6_8,
+	tegra_clk_sclk,
+	tegra_clk_sdmmc1,
+	tegra_clk_sdmmc2,
+	tegra_clk_sdmmc3,
+	tegra_clk_sdmmc4,
+	tegra_clk_se,
+	tegra_clk_soc_therm,
+	tegra_clk_sor0,
+	tegra_clk_sor0_lvds,
+	tegra_clk_spdif,
+	tegra_clk_spdif_2x,
+	tegra_clk_spdif_in,
+	tegra_clk_spdif_in_sync,
+	tegra_clk_spdif_mux,
+	tegra_clk_spdif_out,
+	tegra_clk_timer,
+	tegra_clk_trace,
+	tegra_clk_tsec,
+	tegra_clk_tsensor,
+	tegra_clk_tvdac,
+	tegra_clk_tvo,
+	tegra_clk_uarta,
+	tegra_clk_uartb,
+	tegra_clk_uartc,
+	tegra_clk_uartd,
+	tegra_clk_uarte,
+	tegra_clk_usb2,
+	tegra_clk_usb3,
+	tegra_clk_usbd,
+	tegra_clk_vcp,
+	tegra_clk_vde,
+	tegra_clk_vde_8,
+	tegra_clk_vfir,
+	tegra_clk_vi,
+	tegra_clk_vi_8,
+	tegra_clk_vi_9,
+	tegra_clk_vic03,
+	tegra_clk_vim2_clk,
+	tegra_clk_vimclk_sync,
+	tegra_clk_vi_sensor,
+	tegra_clk_vi_sensor2,
+	tegra_clk_vi_sensor_8,
+	tegra_clk_xusb_dev,
+	tegra_clk_xusb_dev_src,
+	tegra_clk_xusb_falcon_src,
+	tegra_clk_xusb_fs_src,
+	tegra_clk_xusb_host,
+	tegra_clk_xusb_host_src,
+	tegra_clk_xusb_hs_src,
+	tegra_clk_xusb_ss,
+	tegra_clk_xusb_ss_src,
+	tegra_clk_max,
+};
+
+#endif	/* _TEGRA_CLK_ID_H */

drivers/clk/tegra/clk-periph-gate.c

@@ -36,8 +36,6 @@ static DEFINE_SPINLOCK(periph_ref_lock);
 
 #define read_rst(gate) \
 	readl_relaxed(gate->clk_base + (gate->regs->rst_reg))
-#define write_rst_set(val, gate) \
-	writel_relaxed(val, gate->clk_base + (gate->regs->rst_set_reg))
 #define write_rst_clr(val, gate) \
 	writel_relaxed(val, gate->clk_base + (gate->regs->rst_clr_reg))
 
@@ -123,26 +121,6 @@ static void clk_periph_disable(struct clk_hw *hw)
 	spin_unlock_irqrestore(&periph_ref_lock, flags);
 }
 
-void tegra_periph_reset(struct tegra_clk_periph_gate *gate, bool assert)
-{
-	if (gate->flags & TEGRA_PERIPH_NO_RESET)
-		return;
-
-	if (assert) {
-		/*
-		 * If peripheral is in the APB bus then read the APB bus to
-		 * flush the write operation in apb bus. This will avoid the
-		 * peripheral access after disabling clock
-		 */
-		if (gate->flags & TEGRA_PERIPH_ON_APB)
-			tegra_read_chipid();
-
-		write_rst_set(periph_clk_to_bit(gate), gate);
-	} else {
-		write_rst_clr(periph_clk_to_bit(gate), gate);
-	}
-}
-
 const struct clk_ops tegra_clk_periph_gate_ops = {
 	.is_enabled = clk_periph_is_enabled,
 	.enable = clk_periph_enable,
@@ -151,12 +129,16 @@ const struct clk_ops tegra_clk_periph_gate_ops = {
 
 struct clk *tegra_clk_register_periph_gate(const char *name,
 		const char *parent_name, u8 gate_flags, void __iomem *clk_base,
-		unsigned long flags, int clk_num,
-		struct tegra_clk_periph_regs *pregs, int *enable_refcnt)
+		unsigned long flags, int clk_num, int *enable_refcnt)
 {
 	struct tegra_clk_periph_gate *gate;
 	struct clk *clk;
 	struct clk_init_data init;
+	struct tegra_clk_periph_regs *pregs;
+
+	pregs = get_reg_bank(clk_num);
+	if (!pregs)
+		return ERR_PTR(-EINVAL);
 
 	gate = kzalloc(sizeof(*gate), GFP_KERNEL);
 	if (!gate) {

drivers/clk/tegra/clk-periph.c

@@ -111,46 +111,6 @@ static void clk_periph_disable(struct clk_hw *hw)
 	gate_ops->disable(gate_hw);
 }
 
-void tegra_periph_reset_deassert(struct clk *c)
-{
-	struct clk_hw *hw = __clk_get_hw(c);
-	struct tegra_clk_periph *periph = to_clk_periph(hw);
-	struct tegra_clk_periph_gate *gate;
-
-	if (periph->magic != TEGRA_CLK_PERIPH_MAGIC) {
-		gate = to_clk_periph_gate(hw);
-		if (gate->magic != TEGRA_CLK_PERIPH_GATE_MAGIC) {
-			WARN_ON(1);
-			return;
-		}
-	} else {
-		gate = &periph->gate;
-	}
-
-	tegra_periph_reset(gate, 0);
-}
-EXPORT_SYMBOL(tegra_periph_reset_deassert);
-
-void tegra_periph_reset_assert(struct clk *c)
-{
-	struct clk_hw *hw = __clk_get_hw(c);
-	struct tegra_clk_periph *periph = to_clk_periph(hw);
-	struct tegra_clk_periph_gate *gate;
-
-	if (periph->magic != TEGRA_CLK_PERIPH_MAGIC) {
-		gate = to_clk_periph_gate(hw);
-		if (gate->magic != TEGRA_CLK_PERIPH_GATE_MAGIC) {
-			WARN_ON(1);
-			return;
-		}
-	} else {
-		gate = &periph->gate;
-	}
-
-	tegra_periph_reset(gate, 1);
-}
-EXPORT_SYMBOL(tegra_periph_reset_assert);
-
 const struct clk_ops tegra_clk_periph_ops = {
 	.get_parent = clk_periph_get_parent,
 	.set_parent = clk_periph_set_parent,
@@ -170,27 +130,50 @@ const struct clk_ops tegra_clk_periph_nodiv_ops = {
 	.disable = clk_periph_disable,
 };
 
+const struct clk_ops tegra_clk_periph_no_gate_ops = {
+	.get_parent = clk_periph_get_parent,
+	.set_parent = clk_periph_set_parent,
+	.recalc_rate = clk_periph_recalc_rate,
+	.round_rate = clk_periph_round_rate,
+	.set_rate = clk_periph_set_rate,
+};
+
 static struct clk *_tegra_clk_register_periph(const char *name,
 			const char **parent_names, int num_parents,
 			struct tegra_clk_periph *periph,
-			void __iomem *clk_base, u32 offset, bool div,
+			void __iomem *clk_base, u32 offset,
 			unsigned long flags)
 {
 	struct clk *clk;
 	struct clk_init_data init;
+	struct tegra_clk_periph_regs *bank;
+	bool div = !(periph->gate.flags & TEGRA_PERIPH_NO_DIV);
+
+	if (periph->gate.flags & TEGRA_PERIPH_NO_DIV) {
+		flags |= CLK_SET_RATE_PARENT;
+		init.ops = &tegra_clk_periph_nodiv_ops;
+	} else if (periph->gate.flags & TEGRA_PERIPH_NO_GATE)
+		init.ops = &tegra_clk_periph_no_gate_ops;
+	else
+		init.ops = &tegra_clk_periph_ops;
 
 	init.name = name;
-	init.ops = div ? &tegra_clk_periph_ops : &tegra_clk_periph_nodiv_ops;
 	init.flags = flags;
 	init.parent_names = parent_names;
 	init.num_parents = num_parents;
 
+	bank = get_reg_bank(periph->gate.clk_num);
+	if (!bank)
+		return ERR_PTR(-EINVAL);
+
 	/* Data in .init is copied by clk_register(), so stack variable OK */
 	periph->hw.init = &init;
 	periph->magic = TEGRA_CLK_PERIPH_MAGIC;
 	periph->mux.reg = clk_base + offset;
 	periph->divider.reg = div ? (clk_base + offset) : NULL;
 	periph->gate.clk_base = clk_base;
+	periph->gate.regs = bank;
+	periph->gate.enable_refcnt = periph_clk_enb_refcnt;
 
 	clk = clk_register(NULL, &periph->hw);
 	if (IS_ERR(clk))
@@ -209,7 +192,7 @@ struct clk *tegra_clk_register_periph(const char *name,
 		u32 offset, unsigned long flags)
 {
 	return _tegra_clk_register_periph(name, parent_names, num_parents,
-			periph, clk_base, offset, true, flags);
+			periph, clk_base, offset, flags);
 }
 
 struct clk *tegra_clk_register_periph_nodiv(const char *name,
@@ -217,6 +200,7 @@ struct clk *tegra_clk_register_periph_nodiv(const char *name,
 		struct tegra_clk_periph *periph, void __iomem *clk_base,
 		u32 offset)
 {
+	periph->gate.flags |= TEGRA_PERIPH_NO_DIV;
 	return _tegra_clk_register_periph(name, parent_names, num_parents,
-			periph, clk_base, offset, false, CLK_SET_RATE_PARENT);
+			periph, clk_base, offset, CLK_SET_RATE_PARENT);
 }

drivers/clk/tegra/clk-tegra-audio.c

+/*
+ * Copyright (c) 2012, 2013, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/io.h>
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/delay.h>
+#include <linux/export.h>
+#include <linux/clk/tegra.h>
+
+#include "clk.h"
+#include "clk-id.h"
+
+#define AUDIO_SYNC_CLK_I2S0 0x4a0
+#define AUDIO_SYNC_CLK_I2S1 0x4a4
+#define AUDIO_SYNC_CLK_I2S2 0x4a8
+#define AUDIO_SYNC_CLK_I2S3 0x4ac
+#define AUDIO_SYNC_CLK_I2S4 0x4b0
+#define AUDIO_SYNC_CLK_SPDIF 0x4b4
+
+#define AUDIO_SYNC_DOUBLER 0x49c
+
+#define PLLA_OUT 0xb4
+
+struct tegra_sync_source_initdata {
+	char		*name;
+	unsigned long	rate;
+	unsigned long	max_rate;
+	int		clk_id;
+};
+
+#define SYNC(_name) \
+	{\
+		.name		= #_name,\
+		.rate		= 24000000,\
+		.max_rate	= 24000000,\
+		.clk_id		= tegra_clk_ ## _name,\
+	}
+
+struct tegra_audio_clk_initdata {
+	char		*gate_name;
+	char		*mux_name;
+	u32		offset;
+	int		gate_clk_id;
+	int		mux_clk_id;
+};
+
+#define AUDIO(_name, _offset) \
+	{\
+		.gate_name	= #_name,\
+		.mux_name	= #_name"_mux",\
+		.offset		= _offset,\
+		.gate_clk_id	= tegra_clk_ ## _name,\
+		.mux_clk_id	= tegra_clk_ ## _name ## _mux,\
+	}
+
+struct tegra_audio2x_clk_initdata {
+	char		*parent;
+	char		*gate_name;
+	char		*name_2x;
+	char		*div_name;
+	int		clk_id;
+	int		clk_num;
+	u8		div_offset;
+};
+
+#define AUDIO2X(_name, _num, _offset) \
+	{\
+		.parent		= #_name,\
+		.gate_name	= #_name"_2x",\
+		.name_2x	= #_name"_doubler",\
+		.div_name	= #_name"_div",\
+		.clk_id		= tegra_clk_ ## _name ## _2x,\
+		.clk_num	= _num,\
+		.div_offset	= _offset,\
+	}
+
+static DEFINE_SPINLOCK(clk_doubler_lock);
+
+static const char *mux_audio_sync_clk[] = { "spdif_in_sync", "i2s0_sync",
+	"i2s1_sync", "i2s2_sync", "i2s3_sync", "i2s4_sync", "vimclk_sync",
+};
+
+static struct tegra_sync_source_initdata sync_source_clks[] __initdata = {
+	SYNC(spdif_in_sync),
+	SYNC(i2s0_sync),
+	SYNC(i2s1_sync),
+	SYNC(i2s2_sync),
+	SYNC(i2s3_sync),
+	SYNC(i2s4_sync),
+	SYNC(vimclk_sync),
+};
+
+static struct tegra_audio_clk_initdata audio_clks[] = {
+	AUDIO(audio0, AUDIO_SYNC_CLK_I2S0),
+	AUDIO(audio1, AUDIO_SYNC_CLK_I2S1),
+	AUDIO(audio2, AUDIO_SYNC_CLK_I2S2),
+	AUDIO(audio3, AUDIO_SYNC_CLK_I2S3),
+	AUDIO(audio4, AUDIO_SYNC_CLK_I2S4),
+	AUDIO(spdif, AUDIO_SYNC_CLK_SPDIF),
+};
+
+static struct tegra_audio2x_clk_initdata audio2x_clks[] = {
+	AUDIO2X(audio0, 113, 24),
+	AUDIO2X(audio1, 114, 25),
+	AUDIO2X(audio2, 115, 26),
+	AUDIO2X(audio3, 116, 27),
+	AUDIO2X(audio4, 117, 28),
+	AUDIO2X(spdif, 118, 29),
+};
+
+void __init tegra_audio_clk_init(void __iomem *clk_base,
+			void __iomem *pmc_base, struct tegra_clk *tegra_clks,
+			struct tegra_clk_pll_params *pll_a_params)
+{
+	struct clk *clk;
+	struct clk **dt_clk;
+	int i;
+
+	/* PLLA */
+	dt_clk = tegra_lookup_dt_id(tegra_clk_pll_a, tegra_clks);
+	if (dt_clk) {
+		clk = tegra_clk_register_pll("pll_a", "pll_p_out1", clk_base,
+				pmc_base, 0, pll_a_params, NULL);
+		*dt_clk = clk;
+	}
+
+	/* PLLA_OUT0 */
+	dt_clk = tegra_lookup_dt_id(tegra_clk_pll_a_out0, tegra_clks);
+	if (dt_clk) {
+		clk = tegra_clk_register_divider("pll_a_out0_div", "pll_a",
+				clk_base + PLLA_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
+				8, 8, 1, NULL);
+		clk = tegra_clk_register_pll_out("pll_a_out0", "pll_a_out0_div",
+				clk_base + PLLA_OUT, 1, 0, CLK_IGNORE_UNUSED |
+				CLK_SET_RATE_PARENT, 0, NULL);
+		*dt_clk = clk;
+	}
+
+	for (i = 0; i < ARRAY_SIZE(sync_source_clks); i++) {
+		struct tegra_sync_source_initdata *data;
+
+		data = &sync_source_clks[i];
+
+		dt_clk = tegra_lookup_dt_id(data->clk_id, tegra_clks);
+		if (!dt_clk)
+			continue;
+
+		clk = tegra_clk_register_sync_source(data->name,
+					data->rate, data->max_rate);
+		*dt_clk = clk;
+	}
+
+	for (i = 0; i < ARRAY_SIZE(audio_clks); i++) {
+		struct tegra_audio_clk_initdata *data;
+
+		data = &audio_clks[i];
+		dt_clk = tegra_lookup_dt_id(data->mux_clk_id, tegra_clks);
+
+		if (!dt_clk)
+			continue;
+		clk = clk_register_mux(NULL, data->mux_name, mux_audio_sync_clk,
+					ARRAY_SIZE(mux_audio_sync_clk),
+					CLK_SET_RATE_NO_REPARENT,
+					clk_base + data->offset, 0, 3, 0,
+					NULL);
+		*dt_clk = clk;
+
+		dt_clk = tegra_lookup_dt_id(data->gate_clk_id, tegra_clks);
+		if (!dt_clk)
+			continue;
+
+		clk = clk_register_gate(NULL, data->gate_name, data->mux_name,
+					0, clk_base + data->offset, 4,
+					CLK_GATE_SET_TO_DISABLE, NULL);
+		*dt_clk = clk;
+	}
+
+	for (i = 0; i < ARRAY_SIZE(audio2x_clks); i++) {
+		struct tegra_audio2x_clk_initdata *data;
+
+		data = &audio2x_clks[i];
+		dt_clk = tegra_lookup_dt_id(data->clk_id, tegra_clks);
+		if (!dt_clk)
+			continue;
+
+		clk = clk_register_fixed_factor(NULL, data->name_2x,
+				data->parent, CLK_SET_RATE_PARENT, 2, 1);
+		clk = tegra_clk_register_divider(data->div_name,
+				data->name_2x, clk_base + AUDIO_SYNC_DOUBLER,
+				0, 0, data->div_offset, 1, 0,
+				&clk_doubler_lock);
+		clk = tegra_clk_register_periph_gate(data->gate_name,
+				data->div_name, TEGRA_PERIPH_NO_RESET,
+				clk_base, CLK_SET_RATE_PARENT, data->clk_num,
+				periph_clk_enb_refcnt);
+		*dt_clk = clk;
+	}
+}
+

drivers/clk/tegra/clk-tegra-fixed.c

+/*
+ * Copyright (c) 2012, 2013, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/io.h>
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/delay.h>
+#include <linux/export.h>
+#include <linux/clk/tegra.h>
+
+#include "clk.h"
+#include "clk-id.h"
+
+#define OSC_CTRL			0x50
+#define OSC_CTRL_OSC_FREQ_SHIFT		28
+#define OSC_CTRL_PLL_REF_DIV_SHIFT	26
+
+int __init tegra_osc_clk_init(void __iomem *clk_base,
+				struct tegra_clk *tegra_clks,
+				unsigned long *input_freqs, int num,
+				unsigned long *osc_freq,
+				unsigned long *pll_ref_freq)
+{
+	struct clk *clk;
+	struct clk **dt_clk;
+	u32 val, pll_ref_div;
+	unsigned osc_idx;
+
+	val = readl_relaxed(clk_base + OSC_CTRL);
+	osc_idx = val >> OSC_CTRL_OSC_FREQ_SHIFT;
+
+	if (osc_idx < num)
+		*osc_freq = input_freqs[osc_idx];
+	else
+		*osc_freq = 0;
+
+	if (!*osc_freq) {
+		WARN_ON(1);
+		return -EINVAL;
+	}
+
+	dt_clk = tegra_lookup_dt_id(tegra_clk_clk_m, tegra_clks);
+	if (!dt_clk)
+		return 0;
+
+	clk = clk_register_fixed_rate(NULL, "clk_m", NULL, CLK_IS_ROOT,
+				      *osc_freq);
+	*dt_clk = clk;
+
+	/* pll_ref */
+	val = (val >> OSC_CTRL_PLL_REF_DIV_SHIFT) & 3;
+	pll_ref_div = 1 << val;
+	dt_clk = tegra_lookup_dt_id(tegra_clk_pll_ref, tegra_clks);
+	if (!dt_clk)
+		return 0;
+
+	clk = clk_register_fixed_factor(NULL, "pll_ref", "clk_m",
+					0, 1, pll_ref_div);
+	*dt_clk = clk;
+
+	if (pll_ref_freq)
+		*pll_ref_freq = *osc_freq / pll_ref_div;
+
+	return 0;
+}
+
+void __init tegra_fixed_clk_init(struct tegra_clk *tegra_clks)
+{
+	struct clk *clk;
+	struct clk **dt_clk;
+
+	/* clk_32k */
+	dt_clk = tegra_lookup_dt_id(tegra_clk_clk_32k, tegra_clks);
+	if (dt_clk) {
+		clk = clk_register_fixed_rate(NULL, "clk_32k", NULL,
+					CLK_IS_ROOT, 32768);
+		*dt_clk = clk;
+	}
+
+	/* clk_m_div2 */
+	dt_clk = tegra_lookup_dt_id(tegra_clk_clk_m_div2, tegra_clks);
+	if (dt_clk) {
+		clk = clk_register_fixed_factor(NULL, "clk_m_div2", "clk_m",
+					CLK_SET_RATE_PARENT, 1, 2);
+		*dt_clk = clk;
+	}
+
+	/* clk_m_div4 */
+	dt_clk = tegra_lookup_dt_id(tegra_clk_clk_m_div4, tegra_clks);
+	if (dt_clk) {
+		clk = clk_register_fixed_factor(NULL, "clk_m_div4", "clk_m",
+					CLK_SET_RATE_PARENT, 1, 4);
+		*dt_clk = clk;
+	}
+}
+

drivers/clk/tegra/clk-tegra-pmc.c

+/*
+ * Copyright (c) 2012, 2013, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/io.h>
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <linux/clkdev.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/delay.h>
+#include <linux/export.h>
+#include <linux/clk/tegra.h>
+
+#include "clk.h"
+#include "clk-id.h"
+
+#define PMC_CLK_OUT_CNTRL 0x1a8
+#define PMC_DPD_PADS_ORIDE 0x1c
+#define PMC_DPD_PADS_ORIDE_BLINK_ENB 20
+#define PMC_CTRL 0
+#define PMC_CTRL_BLINK_ENB 7
+#define PMC_BLINK_TIMER 0x40
+
+struct pmc_clk_init_data {
+	char *mux_name;
+	char *gate_name;
+	const char **parents;
+	int num_parents;
+	int mux_id;
+	int gate_id;
+	char *dev_name;
+	u8 mux_shift;
+	u8 gate_shift;
+};
+
+#define PMC_CLK(_num, _mux_shift, _gate_shift)\
+	{\
+		.mux_name = "clk_out_" #_num "_mux",\
+		.gate_name = "clk_out_" #_num,\
+		.parents = clk_out ##_num ##_parents,\
+		.num_parents = ARRAY_SIZE(clk_out ##_num ##_parents),\
+		.mux_id = tegra_clk_clk_out_ ##_num ##_mux,\
+		.gate_id = tegra_clk_clk_out_ ##_num,\
+		.dev_name = "extern" #_num,\
+		.mux_shift = _mux_shift,\
+		.gate_shift = _gate_shift,\
+	}
+
+static DEFINE_SPINLOCK(clk_out_lock);
+
+static const char *clk_out1_parents[] = { "clk_m", "clk_m_div2",
+	"clk_m_div4", "extern1",
+};
+
+static const char *clk_out2_parents[] = { "clk_m", "clk_m_div2",
+	"clk_m_div4", "extern2",
+};
+
+static const char *clk_out3_parents[] = { "clk_m", "clk_m_div2",
+	"clk_m_div4", "extern3",
+};
+
+static struct pmc_clk_init_data pmc_clks[] = {
+	PMC_CLK(1, 6, 2),
+	PMC_CLK(2, 14, 10),
+	PMC_CLK(3, 22, 18),
+};
+
+void __init tegra_pmc_clk_init(void __iomem *pmc_base,
+				struct tegra_clk *tegra_clks)
+{
+	struct clk *clk;
+	struct clk **dt_clk;
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(pmc_clks); i++) {
+		struct pmc_clk_init_data *data;
+
+		data = pmc_clks + i;
+
+		dt_clk = tegra_lookup_dt_id(data->mux_id, tegra_clks);
+		if (!dt_clk)
+			continue;
+
+		clk = clk_register_mux(NULL, data->mux_name, data->parents,
+				data->num_parents, CLK_SET_RATE_NO_REPARENT,
+				pmc_base + PMC_CLK_OUT_CNTRL, data->mux_shift,
+				3, 0, &clk_out_lock);
+		*dt_clk = clk;
+
+
+		dt_clk = tegra_lookup_dt_id(data->gate_id, tegra_clks);
+		if (!dt_clk)
+			continue;
+
+		clk = clk_register_gate(NULL, data->gate_name, data->mux_name,
+					0, pmc_base + PMC_CLK_OUT_CNTRL,
+					data->gate_shift, 0, &clk_out_lock);
+		*dt_clk = clk;
+		clk_register_clkdev(clk, data->dev_name, data->gate_name);
+	}
+
+	/* blink */
+	writel_relaxed(0, pmc_base + PMC_BLINK_TIMER);
+	clk = clk_register_gate(NULL, "blink_override", "clk_32k", 0,
+				pmc_base + PMC_DPD_PADS_ORIDE,
+				PMC_DPD_PADS_ORIDE_BLINK_ENB, 0, NULL);
+
+	dt_clk = tegra_lookup_dt_id(tegra_clk_blink, tegra_clks);
+	if (!dt_clk)
+		return;
+
+	clk = clk_register_gate(NULL, "blink", "blink_override", 0,
+				pmc_base + PMC_CTRL,
+				PMC_CTRL_BLINK_ENB, 0, NULL);
+	clk_register_clkdev(clk, "blink", NULL);
+	*dt_clk = clk;
+}
+

drivers/clk/tegra/clk-tegra-super-gen4.c

+/*
+ * Copyright (c) 2012, 2013, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/io.h>
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/delay.h>
+#include <linux/export.h>
+#include <linux/clk/tegra.h>
+
+#include "clk.h"
+#include "clk-id.h"
+
+#define PLLX_BASE 0xe0
+#define PLLX_MISC 0xe4
+#define PLLX_MISC2 0x514
+#define PLLX_MISC3 0x518
+
+#define CCLKG_BURST_POLICY 0x368
+#define CCLKLP_BURST_POLICY 0x370
+#define SCLK_BURST_POLICY 0x028
+#define SYSTEM_CLK_RATE 0x030
+
+static DEFINE_SPINLOCK(sysrate_lock);
+
+static const char *sclk_parents[] = { "clk_m", "pll_c_out1", "pll_p_out4",
+			       "pll_p", "pll_p_out2", "unused",
+			       "clk_32k", "pll_m_out1" };
+
+static const char *cclk_g_parents[] = { "clk_m", "pll_c", "clk_32k", "pll_m",
+					"pll_p", "pll_p_out4", "unused",
+					"unused", "pll_x" };
+
+static const char *cclk_lp_parents[] = { "clk_m", "pll_c", "clk_32k", "pll_m",
+					 "pll_p", "pll_p_out4", "unused",
+					 "unused", "pll_x", "pll_x_out0" };
+
+static void __init tegra_sclk_init(void __iomem *clk_base,
+				struct tegra_clk *tegra_clks)
+{
+	struct clk *clk;
+	struct clk **dt_clk;
+
+	/* SCLK */
+	dt_clk = tegra_lookup_dt_id(tegra_clk_sclk, tegra_clks);
+	if (dt_clk) {
+		clk = tegra_clk_register_super_mux("sclk", sclk_parents,
+						ARRAY_SIZE(sclk_parents),
+						CLK_SET_RATE_PARENT,
+						clk_base + SCLK_BURST_POLICY,
+						0, 4, 0, 0, NULL);
+		*dt_clk = clk;
+	}
+
+	/* HCLK */
+	dt_clk = tegra_lookup_dt_id(tegra_clk_hclk, tegra_clks);
+	if (dt_clk) {
+		clk = clk_register_divider(NULL, "hclk_div", "sclk", 0,
+				   clk_base + SYSTEM_CLK_RATE, 4, 2, 0,
+				   &sysrate_lock);
+		clk = clk_register_gate(NULL, "hclk", "hclk_div",
+				CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED,
+				clk_base + SYSTEM_CLK_RATE,
+				7, CLK_GATE_SET_TO_DISABLE, &sysrate_lock);
+		*dt_clk = clk;
+	}
+
+	/* PCLK */
+	dt_clk = tegra_lookup_dt_id(tegra_clk_pclk, tegra_clks);
+	if (!dt_clk)
+		return;
+
+	clk = clk_register_divider(NULL, "pclk_div", "hclk", 0,
+				   clk_base + SYSTEM_CLK_RATE, 0, 2, 0,
+				   &sysrate_lock);
+	clk = clk_register_gate(NULL, "pclk", "pclk_div", CLK_SET_RATE_PARENT |
+				CLK_IGNORE_UNUSED, clk_base + SYSTEM_CLK_RATE,
+				3, CLK_GATE_SET_TO_DISABLE, &sysrate_lock);
+	*dt_clk = clk;
+}
+
+void __init tegra_super_clk_gen4_init(void __iomem *clk_base,
+				void __iomem *pmc_base,
+				struct tegra_clk *tegra_clks,
+				struct tegra_clk_pll_params *params)
+{
+	struct clk *clk;
+	struct clk **dt_clk;
+
+	/* CCLKG */
+	dt_clk = tegra_lookup_dt_id(tegra_clk_cclk_g, tegra_clks);
+	if (dt_clk) {
+		clk = tegra_clk_register_super_mux("cclk_g", cclk_g_parents,
+					ARRAY_SIZE(cclk_g_parents),
+					CLK_SET_RATE_PARENT,
+					clk_base + CCLKG_BURST_POLICY,
+					0, 4, 0, 0, NULL);
+		*dt_clk = clk;
+	}
+
+	/* CCLKLP */
+	dt_clk = tegra_lookup_dt_id(tegra_clk_cclk_lp, tegra_clks);
+	if (dt_clk) {
+		clk = tegra_clk_register_super_mux("cclk_lp", cclk_lp_parents,
+					ARRAY_SIZE(cclk_lp_parents),
+					CLK_SET_RATE_PARENT,
+					clk_base + CCLKLP_BURST_POLICY,
+					0, 4, 8, 9, NULL);
+		*dt_clk = clk;
+	}
+
+	tegra_sclk_init(clk_base, tegra_clks);
+
+#if defined(CONFIG_ARCH_TEGRA_114_SOC) || defined(CONFIG_ARCH_TEGRA_124_SOC)
+	/* PLLX */
+	dt_clk = tegra_lookup_dt_id(tegra_clk_pll_x, tegra_clks);
+	if (!dt_clk)
+		return;
+
+	clk = tegra_clk_register_pllxc("pll_x", "pll_ref", clk_base,
+			pmc_base, CLK_IGNORE_UNUSED, params, NULL);
+	*dt_clk = clk;
+
+	/* PLLX_OUT0 */
+
+	dt_clk = tegra_lookup_dt_id(tegra_clk_pll_x_out0, tegra_clks);
+	if (!dt_clk)
+		return;
+	clk = clk_register_fixed_factor(NULL, "pll_x_out0", "pll_x",
+					CLK_SET_RATE_PARENT, 1, 2);
+	*dt_clk = clk;
+#endif
+}
+

drivers/clk/tegra/clk.c

@@ -18,13 +18,175 @@
 #include <linux/clk-provider.h>
 #include <linux/of.h>
 #include <linux/clk/tegra.h>
+#include <linux/reset-controller.h>
+#include <linux/tegra-soc.h>
 
 #include "clk.h"
 
+#define CLK_OUT_ENB_L			0x010
+#define CLK_OUT_ENB_H			0x014
+#define CLK_OUT_ENB_U			0x018
+#define CLK_OUT_ENB_V			0x360
+#define CLK_OUT_ENB_W			0x364
+#define CLK_OUT_ENB_X			0x280
+#define CLK_OUT_ENB_SET_L		0x320
+#define CLK_OUT_ENB_CLR_L		0x324
+#define CLK_OUT_ENB_SET_H		0x328
+#define CLK_OUT_ENB_CLR_H		0x32c
+#define CLK_OUT_ENB_SET_U		0x330
+#define CLK_OUT_ENB_CLR_U		0x334
+#define CLK_OUT_ENB_SET_V		0x440
+#define CLK_OUT_ENB_CLR_V		0x444
+#define CLK_OUT_ENB_SET_W		0x448
+#define CLK_OUT_ENB_CLR_W		0x44c
+#define CLK_OUT_ENB_SET_X		0x284
+#define CLK_OUT_ENB_CLR_X		0x288
+
+#define RST_DEVICES_L			0x004
+#define RST_DEVICES_H			0x008
+#define RST_DEVICES_U			0x00C
+#define RST_DFLL_DVCO			0x2F4
+#define RST_DEVICES_V			0x358
+#define RST_DEVICES_W			0x35C
+#define RST_DEVICES_X			0x28C
+#define RST_DEVICES_SET_L		0x300
+#define RST_DEVICES_CLR_L		0x304
+#define RST_DEVICES_SET_H		0x308
+#define RST_DEVICES_CLR_H		0x30c
+#define RST_DEVICES_SET_U		0x310
+#define RST_DEVICES_CLR_U		0x314
+#define RST_DEVICES_SET_V		0x430
+#define RST_DEVICES_CLR_V		0x434
+#define RST_DEVICES_SET_W		0x438
+#define RST_DEVICES_CLR_W		0x43c
+#define RST_DEVICES_SET_X		0x290
+#define RST_DEVICES_CLR_X		0x294
+
 /* Global data of Tegra CPU CAR ops */
 static struct tegra_cpu_car_ops dummy_car_ops;
 struct tegra_cpu_car_ops *tegra_cpu_car_ops = &dummy_car_ops;
 
+int *periph_clk_enb_refcnt;
+static int periph_banks;
+static struct clk **clks;
+static int clk_num;
+static struct clk_onecell_data clk_data;
+
+static struct tegra_clk_periph_regs periph_regs[] = {
+	[0] = {
+		.enb_reg = CLK_OUT_ENB_L,
+		.enb_set_reg = CLK_OUT_ENB_SET_L,
+		.enb_clr_reg = CLK_OUT_ENB_CLR_L,
+		.rst_reg = RST_DEVICES_L,
+		.rst_set_reg = RST_DEVICES_SET_L,
+		.rst_clr_reg = RST_DEVICES_CLR_L,
+	},
+	[1] = {
+		.enb_reg = CLK_OUT_ENB_H,
+		.enb_set_reg = CLK_OUT_ENB_SET_H,
+		.enb_clr_reg = CLK_OUT_ENB_CLR_H,
+		.rst_reg = RST_DEVICES_H,
+		.rst_set_reg = RST_DEVICES_SET_H,
+		.rst_clr_reg = RST_DEVICES_CLR_H,
+	},
+	[2] = {
+		.enb_reg = CLK_OUT_ENB_U,
+		.enb_set_reg = CLK_OUT_ENB_SET_U,
+		.enb_clr_reg = CLK_OUT_ENB_CLR_U,
+		.rst_reg = RST_DEVICES_U,
+		.rst_set_reg = RST_DEVICES_SET_U,
+		.rst_clr_reg = RST_DEVICES_CLR_U,
+	},
+	[3] = {
+		.enb_reg = CLK_OUT_ENB_V,
+		.enb_set_reg = CLK_OUT_ENB_SET_V,
+		.enb_clr_reg = CLK_OUT_ENB_CLR_V,
+		.rst_reg = RST_DEVICES_V,
+		.rst_set_reg = RST_DEVICES_SET_V,
+		.rst_clr_reg = RST_DEVICES_CLR_V,
+	},
+	[4] = {
+		.enb_reg = CLK_OUT_ENB_W,
+		.enb_set_reg = CLK_OUT_ENB_SET_W,
+		.enb_clr_reg = CLK_OUT_ENB_CLR_W,
+		.rst_reg = RST_DEVICES_W,
+		.rst_set_reg = RST_DEVICES_SET_W,
+		.rst_clr_reg = RST_DEVICES_CLR_W,
+	},
+	[5] = {
+		.enb_reg = CLK_OUT_ENB_X,
+		.enb_set_reg = CLK_OUT_ENB_SET_X,
+		.enb_clr_reg = CLK_OUT_ENB_CLR_X,
+		.rst_reg = RST_DEVICES_X,
+		.rst_set_reg = RST_DEVICES_SET_X,
+		.rst_clr_reg = RST_DEVICES_CLR_X,
+	},
+};
+
+static void __iomem *clk_base;
+
+static int tegra_clk_rst_assert(struct reset_controller_dev *rcdev,
+		unsigned long id)
+{
+	/*
+	 * If peripheral is on the APB bus then we must read the APB bus to
+	 * flush the write operation in apb bus. This will avoid peripheral
+	 * access after disabling clock. Since the reset driver has no
+	 * knowledge of which reset IDs represent which devices, simply do
+	 * this all the time.
+	 */
+	tegra_read_chipid();
+
+	writel_relaxed(BIT(id % 32),
+			clk_base + periph_regs[id / 32].rst_set_reg);
+
+	return 0;
+}
+
+static int tegra_clk_rst_deassert(struct reset_controller_dev *rcdev,
+		unsigned long id)
+{
+	writel_relaxed(BIT(id % 32),
+			clk_base + periph_regs[id / 32].rst_clr_reg);
+
+	return 0;
+}
+
+struct tegra_clk_periph_regs *get_reg_bank(int clkid)
+{
+	int reg_bank = clkid / 32;
+
+	if (reg_bank < periph_banks)
+		return &periph_regs[reg_bank];
+	else {
+		WARN_ON(1);
+		return NULL;
+	}
+}
+
+struct clk ** __init tegra_clk_init(void __iomem *regs, int num, int banks)
+{
+	clk_base = regs;
+
+	if (WARN_ON(banks > ARRAY_SIZE(periph_regs)))
+		return NULL;
+
+	periph_clk_enb_refcnt = kzalloc(32 * banks *
+				sizeof(*periph_clk_enb_refcnt), GFP_KERNEL);
+	if (!periph_clk_enb_refcnt)
+		return NULL;
+
+	periph_banks = banks;
+
+	clks = kzalloc(num * sizeof(struct clk *), GFP_KERNEL);
+	if (!clks)
+		kfree(periph_clk_enb_refcnt);
+
+	clk_num = num;
+
+	return clks;
+}
+
 void __init tegra_init_dup_clks(struct tegra_clk_duplicate *dup_list,
 				struct clk *clks[], int clk_max)
 {
@@ -74,6 +236,58 @@ void __init tegra_init_from_table(struct tegra_clk_init_table *tbl,
 	}
 }
 
+static struct reset_control_ops rst_ops = {
+	.assert = tegra_clk_rst_assert,
+	.deassert = tegra_clk_rst_deassert,
+};
+
+static struct reset_controller_dev rst_ctlr = {
+	.ops = &rst_ops,
+	.owner = THIS_MODULE,
+	.of_reset_n_cells = 1,
+};
+
+void __init tegra_add_of_provider(struct device_node *np)
+{
+	int i;
+
+	for (i = 0; i < clk_num; i++) {
+		if (IS_ERR(clks[i])) {
+			pr_err
+			    ("Tegra clk %d: register failed with %ld\n",
+			     i, PTR_ERR(clks[i]));
+		}
+		if (!clks[i])
+			clks[i] = ERR_PTR(-EINVAL);
+	}
+
+	clk_data.clks = clks;
+	clk_data.clk_num = clk_num;
+	of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
+
+	rst_ctlr.of_node = np;
+	rst_ctlr.nr_resets = clk_num * 32;
+	reset_controller_register(&rst_ctlr);
+}
+
+void __init tegra_register_devclks(struct tegra_devclk *dev_clks, int num)
+{
+	int i;
+
+	for (i = 0; i < num; i++, dev_clks++)
+		clk_register_clkdev(clks[dev_clks->dt_id], dev_clks->con_id,
+				dev_clks->dev_id);
+}
+
+struct clk ** __init tegra_lookup_dt_id(int clk_id,
+					struct tegra_clk *tegra_clk)
+{
+	if (tegra_clk[clk_id].present)
+		return &clks[tegra_clk[clk_id].dt_id];
+	else
+		return NULL;
+}
+
 tegra_clk_apply_init_table_func tegra_clk_apply_init_table;
 
 void __init tegra_clocks_apply_init_table(void)

drivers/dma/mmp_pdma.c

@@ -893,33 +893,17 @@ static struct dma_chan *mmp_pdma_dma_xlate(struct of_phandle_args *dma_spec,
 					   struct of_dma *ofdma)
 {
 	struct mmp_pdma_device *d = ofdma->of_dma_data;
-	struct dma_chan *chan, *candidate;
+	struct dma_chan *chan;
+	struct mmp_pdma_chan *c;
 
-retry:
-	candidate = NULL;
-
-	/* walk the list of channels registered with the current instance and
-	 * find one that is currently unused */
-	list_for_each_entry(chan, &d->device.channels, device_node)
-		if (chan->client_count == 0) {
-			candidate = chan;
-			break;
-		}
-
-	if (!candidate)
+	chan = dma_get_any_slave_channel(&d->device);
+	if (!chan)
 		return NULL;
 
-	/* dma_get_slave_channel will return NULL if we lost a race between
-	 * the lookup and the reservation */
-	chan = dma_get_slave_channel(candidate);
-
-	if (chan) {
-		struct mmp_pdma_chan *c = to_mmp_pdma_chan(chan);
-		c->drcmr = dma_spec->args[0];
-		return chan;
-	}
+	c = to_mmp_pdma_chan(chan);
+	c->drcmr = dma_spec->args[0];
 
-	goto retry;
+	return chan;
 }
 
 static int mmp_pdma_probe(struct platform_device *op)

drivers/gpu/drm/tegra/Kconfig

@@ -2,6 +2,7 @@ config DRM_TEGRA
 	bool "NVIDIA Tegra DRM"
 	depends on ARCH_TEGRA || ARCH_MULTIPLATFORM
 	depends on DRM
+	depends on RESET_CONTROLLER
 	select TEGRA_HOST1X
 	select DRM_KMS_HELPER
 	select DRM_KMS_FB_HELPER

drivers/gpu/drm/tegra/dc.c

@@ -8,8 +8,8 @@
  */
 
 #include <linux/clk.h>
-#include <linux/clk/tegra.h>
 #include <linux/debugfs.h>
+#include <linux/reset.h>
 
 #include "dc.h"
 #include "drm.h"
@@ -712,7 +712,7 @@ static void tegra_crtc_prepare(struct drm_crtc *crtc)
 	unsigned long value;
 
 	/* hardware initialization */
-	tegra_periph_reset_deassert(dc->clk);
+	reset_control_deassert(dc->rst);
 	usleep_range(10000, 20000);
 
 	if (dc->pipe)
@@ -1187,6 +1187,12 @@ static int tegra_dc_probe(struct platform_device *pdev)
 		return PTR_ERR(dc->clk);
 	}
 
+	dc->rst = devm_reset_control_get(&pdev->dev, "dc");
+	if (IS_ERR(dc->rst)) {
+		dev_err(&pdev->dev, "failed to get reset\n");
+		return PTR_ERR(dc->rst);
+	}
+
 	err = clk_prepare_enable(dc->clk);
 	if (err < 0)
 		return err;

include/dt-bindings/clock/tegra20-car.h

@@ -92,7 +92,7 @@
 #define TEGRA20_CLK_OWR 71
 #define TEGRA20_CLK_AFI 72
 #define TEGRA20_CLK_CSITE 73
-#define TEGRA20_CLK_PCIE_XCLK 74
+/* 74 */
 #define TEGRA20_CLK_AVPUCQ 75
 #define TEGRA20_CLK_LA 76
 /* 77 */