Merge tag 'imx-dt-clkdep-4.7' of...

Merge tag 'imx-dt-clkdep-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/late

Merge "The i.MX device tree updates with new clocks for 4.7" from Shawn Guo:

 - Add LCDIF and FlexCAN device support for i.MX7D
 - New support i.MX7D based Nitrogen7 board from Boundary Devices
 - Add display support for vf610-colibri board

* tag 'imx-dt-clkdep-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: dts: vf610-colibri: enable display controller
  ARM: dts: vf610: add display nodes
  ARM: dts: imx: add Boundary Devices Nitrogen7 board
  ARM: dts: imx7d: add flexcan support
  ARM: dts: imx7d: add lcdif support
  clk: imx: vf610: fix whitespace in vf610-clock.h
  clk: imx: vf610: add TCON ipg clock
  clk: imx: vf610: fix DCU clock tree
  clk: imx: add ckil clock for i.MX7
  clk: imx: vf610: add suspend/resume support
  clk: imx: vf610: add WKPU unit
  clk: imx: vf610: leave DDR clock on
  clk: imx: clk-gate2: allow custom gate configuration
  clk: imx6sx: Register SAI clocks as shared clocks

arch/arm/boot/dts/Makefile

@@ -377,6 +377,7 @@ dtb-$(CONFIG_SOC_IMX6UL) += \
 	imx6ul-14x14-evk.dtb
 dtb-$(CONFIG_SOC_IMX7D) += \
 	imx7d-cl-som-imx7.dtb \
+	imx7d-nitrogen7.dtb \
 	imx7d-sbc-imx7.dtb \
 	imx7d-sdb.dtb
 dtb-$(CONFIG_SOC_LS1021A) += \

arch/arm/boot/dts/imx7d.dtsi

@@ -651,6 +651,17 @@ pwm4: pwm@30690000 {
 				#pwm-cells = <2>;
 				status = "disabled";
 			};
+
+			lcdif: lcdif@30730000 {
+				compatible = "fsl,imx7d-lcdif", "fsl,imx28-lcdif";
+				reg = <0x30730000 0x10000>;
+				interrupts = <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&clks IMX7D_LCDIF_PIXEL_ROOT_CLK>,
+					<&clks IMX7D_CLK_DUMMY>,
+					<&clks IMX7D_CLK_DUMMY>;
+				clock-names = "pix", "axi", "disp_axi";
+				status = "disabled";
+			};
 		};
 
 		aips3: aips-bus@30800000 {
@@ -693,6 +704,26 @@ uart3: serial@30880000 {
 				status = "disabled";
 			};
 
+			flexcan1: can@30a00000 {
+				compatible = "fsl,imx7d-flexcan", "fsl,imx6q-flexcan";
+				reg = <0x30a00000 0x10000>;
+				interrupts = <GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&clks IMX7D_CLK_DUMMY>,
+					<&clks IMX7D_CAN1_ROOT_CLK>;
+				clock-names = "ipg", "per";
+				status = "disabled";
+			};
+
+			flexcan2: can@30a10000 {
+				compatible = "fsl,imx7d-flexcan", "fsl,imx6q-flexcan";
+				reg = <0x30a10000 0x10000>;
+				interrupts = <GIC_SPI 111 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&clks IMX7D_CLK_DUMMY>,
+					<&clks IMX7D_CAN2_ROOT_CLK>;
+				clock-names = "ipg", "per";
+				status = "disabled";
+			};
+
 			i2c1: i2c@30a20000 {
 				#address-cells = <1>;
 				#size-cells = <0>;

arch/arm/boot/dts/vf-colibri-eval-v3.dtsi

@@ -50,6 +50,11 @@ clk16m: clk16m {
 		clock-frequency = <16000000>;
 	};
 
+	panel: panel {
+		compatible = "edt,et057090dhu";
+		backlight = <&bl>;
+	};
+
 	reg_3v3: regulator-3v3 {
 		compatible = "regulator-fixed";
 		regulator-name = "3.3V";
@@ -83,6 +88,13 @@ &bl {
 	status  = "okay";
 };
 
+&dcu0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_dcu0_1>;
+	fsl,panel = <&panel>;
+	status = "okay";
+};
+
 &dspi1 {
 	status = "okay";
 
@@ -134,6 +146,10 @@ &reg_module_3v3 {
 	vin-supply = <&reg_3v3>;
 };
 
+&tcon0 {
+	status = "okay";
+};
+
 &uart0 {
 	status = "okay";
 };

arch/arm/boot/dts/vf-colibri.dtsi

@@ -219,6 +219,39 @@ VF610_PAD_PTD26__GPIO_68	0x22ed /* EXT_IO_2 */
 			>;
 		};
 
+		pinctrl_dcu0_1: dcu0grp_1 {
+			fsl,pins = <
+				VF610_PAD_PTE0__DCU0_HSYNC	0x1902
+				VF610_PAD_PTE1__DCU0_VSYNC	0x1902
+				VF610_PAD_PTE2__DCU0_PCLK	0x1902
+				VF610_PAD_PTE4__DCU0_DE		0x1902
+				VF610_PAD_PTE5__DCU0_R0		0x1902
+				VF610_PAD_PTE6__DCU0_R1		0x1902
+				VF610_PAD_PTE7__DCU0_R2		0x1902
+				VF610_PAD_PTE8__DCU0_R3		0x1902
+				VF610_PAD_PTE9__DCU0_R4		0x1902
+				VF610_PAD_PTE10__DCU0_R5	0x1902
+				VF610_PAD_PTE11__DCU0_R6	0x1902
+				VF610_PAD_PTE12__DCU0_R7	0x1902
+				VF610_PAD_PTE13__DCU0_G0	0x1902
+				VF610_PAD_PTE14__DCU0_G1	0x1902
+				VF610_PAD_PTE15__DCU0_G2	0x1902
+				VF610_PAD_PTE16__DCU0_G3	0x1902
+				VF610_PAD_PTE17__DCU0_G4	0x1902
+				VF610_PAD_PTE18__DCU0_G5	0x1902
+				VF610_PAD_PTE19__DCU0_G6	0x1902
+				VF610_PAD_PTE20__DCU0_G7	0x1902
+				VF610_PAD_PTE21__DCU0_B0	0x1902
+				VF610_PAD_PTE22__DCU0_B1	0x1902
+				VF610_PAD_PTE23__DCU0_B2	0x1902
+				VF610_PAD_PTE24__DCU0_B3	0x1902
+				VF610_PAD_PTE25__DCU0_B4	0x1902
+				VF610_PAD_PTE26__DCU0_B5	0x1902
+				VF610_PAD_PTE27__DCU0_B6	0x1902
+				VF610_PAD_PTE28__DCU0_B7	0x1902
+			>;
+		};
+
 		pinctrl_dspi1: dspi1grp {
 			fsl,pins = <
 				VF610_PAD_PTD5__DSPI1_CS0		0x33e2

arch/arm/boot/dts/vfxxx.dtsi

@@ -310,6 +310,14 @@ adc0: adc@4003b000 {
 							<20000000>;
 			};
 
+			tcon0: timing-controller@4003d000 {
+				compatible = "fsl,vf610-tcon";
+				reg = <0x4003d000 0x1000>;
+				clocks = <&clks VF610_CLK_TCON0>;
+				clock-names = "ipg";
+				status = "disabled";
+			};
+
 			wdoga5: wdog@4003e000 {
 				compatible = "fsl,vf610-wdt", "fsl,imx21-wdt";
 				reg = <0x4003e000 0x1000>;
@@ -415,6 +423,17 @@ usbphy1: usbphy@40050c00 {
 				status = "disabled";
 			};
 
+			dcu0: dcu@40058000 {
+				compatible = "fsl,vf610-dcu";
+				reg = <0x40058000 0x1200>;
+				interrupts = <30 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&clks VF610_CLK_DCU0>,
+					<&clks VF610_CLK_DCU0_DIV>;
+				clock-names = "dcu", "pix";
+				fsl,tcon = <&tcon0>;
+				status = "disabled";
+			};
+
 			i2c0: i2c@40066000 {
 				#address-cells = <1>;
 				#size-cells = <0>;

drivers/clk/imx/clk-gate2.c

@@ -31,6 +31,7 @@ struct clk_gate2 {
 	struct clk_hw hw;
 	void __iomem	*reg;
 	u8		bit_idx;
+	u8		cgr_val;
 	u8		flags;
 	spinlock_t	*lock;
 	unsigned int	*share_count;
@@ -50,7 +51,8 @@ static int clk_gate2_enable(struct clk_hw *hw)
 		goto out;
 
 	reg = readl(gate->reg);
-	reg |= 3 << gate->bit_idx;
+	reg &= ~(3 << gate->bit_idx);
+	reg |= gate->cgr_val << gate->bit_idx;
 	writel(reg, gate->reg);
 
 out:
@@ -125,7 +127,7 @@ static struct clk_ops clk_gate2_ops = {
 
 struct clk *clk_register_gate2(struct device *dev, const char *name,
 		const char *parent_name, unsigned long flags,
-		void __iomem *reg, u8 bit_idx,
+		void __iomem *reg, u8 bit_idx, u8 cgr_val,
 		u8 clk_gate2_flags, spinlock_t *lock,
 		unsigned int *share_count)
 {
@@ -140,6 +142,7 @@ struct clk *clk_register_gate2(struct device *dev, const char *name,
 	/* struct clk_gate2 assignments */
 	gate->reg = reg;
 	gate->bit_idx = bit_idx;
+	gate->cgr_val = cgr_val;
 	gate->flags = clk_gate2_flags;
 	gate->lock = lock;
 	gate->share_count = share_count;

drivers/clk/imx/clk-imx6sx.c

@@ -134,6 +134,8 @@ static u32 share_count_esai;
 static u32 share_count_ssi1;
 static u32 share_count_ssi2;
 static u32 share_count_ssi3;
+static u32 share_count_sai1;
+static u32 share_count_sai2;
 
 static struct clk ** const uart_clks[] __initconst = {
 	&clks[IMX6SX_CLK_UART_IPG],
@@ -469,10 +471,10 @@ static void __init imx6sx_clocks_init(struct device_node *ccm_node)
 	clks[IMX6SX_CLK_SSI3]         = imx_clk_gate2_shared("ssi3",          "ssi3_podf",  base + 0x7c, 22, &share_count_ssi3);
 	clks[IMX6SX_CLK_UART_IPG]     = imx_clk_gate2("uart_ipg",      "ipg",               base + 0x7c, 24);
 	clks[IMX6SX_CLK_UART_SERIAL]  = imx_clk_gate2("uart_serial",   "uart_podf",         base + 0x7c, 26);
-	clks[IMX6SX_CLK_SAI1_IPG]     = imx_clk_gate2("sai1_ipg",      "ipg",               base + 0x7c, 28);
-	clks[IMX6SX_CLK_SAI2_IPG]     = imx_clk_gate2("sai2_ipg",      "ipg",               base + 0x7c, 30);
-	clks[IMX6SX_CLK_SAI1]         = imx_clk_gate2("sai1",          "ssi1_podf",         base + 0x7c, 28);
-	clks[IMX6SX_CLK_SAI2]         = imx_clk_gate2("sai2",          "ssi2_podf",         base + 0x7c, 30);
+	clks[IMX6SX_CLK_SAI1_IPG]     = imx_clk_gate2_shared("sai1_ipg", "ipg",             base + 0x7c, 28, &share_count_sai1);
+	clks[IMX6SX_CLK_SAI2_IPG]     = imx_clk_gate2_shared("sai2_ipg", "ipg",             base + 0x7c, 30, &share_count_sai2);
+	clks[IMX6SX_CLK_SAI1]         = imx_clk_gate2_shared("sai1",	"ssi1_podf",        base + 0x7c, 28, &share_count_sai1);
+	clks[IMX6SX_CLK_SAI2]         = imx_clk_gate2_shared("sai2",	"ssi2_podf",        base + 0x7c, 30, &share_count_sai2);
 
 	/* CCGR6 */
 	clks[IMX6SX_CLK_USBOH3]       = imx_clk_gate2("usboh3",        "ipg",               base + 0x80, 0);

drivers/clk/imx/clk-imx7d.c

@@ -342,7 +342,7 @@ static const char *clko1_sel[] = { "osc", "pll_sys_main_clk",
 
 static const char *clko2_sel[] = { "osc", "pll_sys_main_240m_clk",
 	"pll_sys_pfd0_392m_clk", "pll_sys_pfd1_166m_clk", "pll_sys_pfd4_clk",
-	"pll_audio_main_clk", "pll_video_main_clk", "osc_32k_clk", };
+	"pll_audio_main_clk", "pll_video_main_clk", "ckil", };
 
 static const char *lvds1_sel[] = { "pll_arm_main_clk",
 	"pll_sys_main_clk", "pll_sys_pfd0_392m_clk", "pll_sys_pfd1_332m_clk",
@@ -382,6 +382,7 @@ static void __init imx7d_clocks_init(struct device_node *ccm_node)
 
 	clks[IMX7D_CLK_DUMMY] = imx_clk_fixed("dummy", 0);
 	clks[IMX7D_OSC_24M_CLK] = of_clk_get_by_name(ccm_node, "osc");
+	clks[IMX7D_CKIL] = of_clk_get_by_name(ccm_node, "ckil");
 
 	np = of_find_compatible_node(NULL, NULL, "fsl,imx7d-anatop");
 	base = of_iomap(np, 0);

drivers/clk/imx/clk-vf610.c

@@ -10,6 +10,7 @@
 
 #include <linux/of_address.h>
 #include <linux/clk.h>
+#include <linux/syscore_ops.h>
 #include <dt-bindings/clock/vf610-clock.h>
 
 #include "clk.h"
@@ -40,6 +41,7 @@
 #define CCM_CCGR9		(ccm_base + 0x64)
 #define CCM_CCGR10		(ccm_base + 0x68)
 #define CCM_CCGR11		(ccm_base + 0x6c)
+#define CCM_CCGRx(x)		(CCM_CCGR0 + (x) * 4)
 #define CCM_CMEOR0		(ccm_base + 0x70)
 #define CCM_CMEOR1		(ccm_base + 0x74)
 #define CCM_CMEOR2		(ccm_base + 0x78)
@@ -115,10 +117,19 @@ static struct clk_div_table pll4_audio_div_table[] = {
 static struct clk *clk[VF610_CLK_END];
 static struct clk_onecell_data clk_data;
 
+static u32 cscmr1;
+static u32 cscmr2;
+static u32 cscdr1;
+static u32 cscdr2;
+static u32 cscdr3;
+static u32 ccgr[12];
+
 static unsigned int const clks_init_on[] __initconst = {
 	VF610_CLK_SYS_BUS,
 	VF610_CLK_DDR_SEL,
 	VF610_CLK_DAP,
+	VF610_CLK_DDRMC,
+	VF610_CLK_WKPU,
 };
 
 static struct clk * __init vf610_get_fixed_clock(
@@ -132,6 +143,43 @@ static struct clk * __init vf610_get_fixed_clock(
 	return clk;
 };
 
+static int vf610_clk_suspend(void)
+{
+	int i;
+
+	cscmr1 = readl_relaxed(CCM_CSCMR1);
+	cscmr2 = readl_relaxed(CCM_CSCMR2);
+
+	cscdr1 = readl_relaxed(CCM_CSCDR1);
+	cscdr2 = readl_relaxed(CCM_CSCDR2);
+	cscdr3 = readl_relaxed(CCM_CSCDR3);
+
+	for (i = 0; i < 12; i++)
+		ccgr[i] = readl_relaxed(CCM_CCGRx(i));
+
+	return 0;
+}
+
+static void vf610_clk_resume(void)
+{
+	int i;
+
+	writel_relaxed(cscmr1, CCM_CSCMR1);
+	writel_relaxed(cscmr2, CCM_CSCMR2);
+
+	writel_relaxed(cscdr1, CCM_CSCDR1);
+	writel_relaxed(cscdr2, CCM_CSCDR2);
+	writel_relaxed(cscdr3, CCM_CSCDR3);
+
+	for (i = 0; i < 12; i++)
+		writel_relaxed(ccgr[i], CCM_CCGRx(i));
+}
+
+static struct syscore_ops vf610_clk_syscore_ops = {
+	.suspend = vf610_clk_suspend,
+	.resume = vf610_clk_resume,
+};
+
 static void __init vf610_clocks_init(struct device_node *ccm_node)
 {
 	struct device_node *np;
@@ -233,6 +281,9 @@ static void __init vf610_clocks_init(struct device_node *ccm_node)
 	clk[VF610_CLK_PLL4_MAIN_DIV] = clk_register_divider_table(NULL, "pll4_audio_div", "pll4_audio", 0, CCM_CACRR, 6, 3, 0, pll4_audio_div_table, &imx_ccm_lock);
 	clk[VF610_CLK_PLL6_MAIN_DIV] = imx_clk_divider("pll6_video_div", "pll6_video", CCM_CACRR, 21, 1);
 
+	clk[VF610_CLK_DDRMC] = imx_clk_gate2_cgr("ddrmc", "ddr_sel", CCM_CCGR6, CCM_CCGRx_CGn(14), 0x2);
+	clk[VF610_CLK_WKPU] = imx_clk_gate2_cgr("wkpu", "ipg_bus", CCM_CCGR4, CCM_CCGRx_CGn(10), 0x2);
+
 	clk[VF610_CLK_USBPHY0] = imx_clk_gate("usbphy0", "pll3_usb_otg", PLL3_CTRL, 6);
 	clk[VF610_CLK_USBPHY1] = imx_clk_gate("usbphy1", "pll7_usb_host", PLL7_CTRL, 6);
 
@@ -321,11 +372,14 @@ static void __init vf610_clocks_init(struct device_node *ccm_node)
 	clk[VF610_CLK_DCU0_SEL] = imx_clk_mux("dcu0_sel", CCM_CSCMR1, 28, 1, dcu_sels, 2);
 	clk[VF610_CLK_DCU0_EN] = imx_clk_gate("dcu0_en", "dcu0_sel", CCM_CSCDR3, 19);
 	clk[VF610_CLK_DCU0_DIV] = imx_clk_divider("dcu0_div", "dcu0_en", CCM_CSCDR3, 16, 3);
-	clk[VF610_CLK_DCU0] = imx_clk_gate2("dcu0", "dcu0_div", CCM_CCGR3, CCM_CCGRx_CGn(8));
+	clk[VF610_CLK_DCU0] = imx_clk_gate2("dcu0", "ipg_bus", CCM_CCGR3, CCM_CCGRx_CGn(8));
 	clk[VF610_CLK_DCU1_SEL] = imx_clk_mux("dcu1_sel", CCM_CSCMR1, 29, 1, dcu_sels, 2);
 	clk[VF610_CLK_DCU1_EN] = imx_clk_gate("dcu1_en", "dcu1_sel", CCM_CSCDR3, 23);
 	clk[VF610_CLK_DCU1_DIV] = imx_clk_divider("dcu1_div", "dcu1_en", CCM_CSCDR3, 20, 3);
-	clk[VF610_CLK_DCU1] = imx_clk_gate2("dcu1", "dcu1_div", CCM_CCGR9, CCM_CCGRx_CGn(8));
+	clk[VF610_CLK_DCU1] = imx_clk_gate2("dcu1", "ipg_bus", CCM_CCGR9, CCM_CCGRx_CGn(8));
+
+	clk[VF610_CLK_TCON0] = imx_clk_gate2("tcon0", "platform_bus", CCM_CCGR1, CCM_CCGRx_CGn(13));
+	clk[VF610_CLK_TCON1] = imx_clk_gate2("tcon1", "platform_bus", CCM_CCGR7, CCM_CCGRx_CGn(13));
 
 	clk[VF610_CLK_ESAI_SEL] = imx_clk_mux("esai_sel", CCM_CSCMR1, 20, 2, esai_sels, 4);
 	clk[VF610_CLK_ESAI_EN] = imx_clk_gate("esai_en", "esai_sel", CCM_CSCDR2, 30);
@@ -409,6 +463,8 @@ static void __init vf610_clocks_init(struct device_node *ccm_node)
 	for (i = 0; i < ARRAY_SIZE(clks_init_on); i++)
 		clk_prepare_enable(clk[clks_init_on[i]]);
 
+	register_syscore_ops(&vf610_clk_syscore_ops);
+
 	/* Add the clocks to provider list */
 	clk_data.clks = clk;
 	clk_data.clk_num = ARRAY_SIZE(clk);

drivers/clk/imx/clk.h

@@ -41,7 +41,7 @@ struct clk *imx_clk_pllv3(enum imx_pllv3_type type, const char *name,
 
 struct clk *clk_register_gate2(struct device *dev, const char *name,
 		const char *parent_name, unsigned long flags,
-		void __iomem *reg, u8 bit_idx,
+		void __iomem *reg, u8 bit_idx, u8 cgr_val,
 		u8 clk_gate_flags, spinlock_t *lock,
 		unsigned int *share_count);
 
@@ -55,7 +55,7 @@ static inline struct clk *imx_clk_gate2(const char *name, const char *parent,
 		void __iomem *reg, u8 shift)
 {
 	return clk_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
-			shift, 0, &imx_ccm_lock, NULL);
+			shift, 0x3, 0, &imx_ccm_lock, NULL);
 }
 
 static inline struct clk *imx_clk_gate2_shared(const char *name,
@@ -63,7 +63,14 @@ static inline struct clk *imx_clk_gate2_shared(const char *name,
 		unsigned int *share_count)
 {
 	return clk_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
-			shift, 0, &imx_ccm_lock, share_count);
+			shift, 0x3, 0, &imx_ccm_lock, share_count);
+}
+
+static inline struct clk *imx_clk_gate2_cgr(const char *name, const char *parent,
+		void __iomem *reg, u8 shift, u8 cgr_val)
+{
+	return clk_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
+			shift, cgr_val, 0, &imx_ccm_lock, NULL);
 }
 
 struct clk *imx_clk_pfd(const char *name, const char *parent_name,

include/dt-bindings/clock/imx7d-clock.h

@@ -448,5 +448,6 @@
 #define IMX7D_PLL_DRAM_TEST_DIV		435
 #define IMX7D_ADC_ROOT_CLK		436
 #define IMX7D_CLK_ARM			437
-#define IMX7D_CLK_END			438
+#define IMX7D_CKIL			438
+#define IMX7D_CLK_END			439
 #endif /* __DT_BINDINGS_CLOCK_IMX7D_H */

include/dt-bindings/clock/vf610-clock.h

@@ -194,7 +194,11 @@
 #define VF610_PLL7_BYPASS		181
 #define VF610_CLK_SNVS			182
 #define VF610_CLK_DAP			183
-#define VF610_CLK_OCOTP         184
-#define VF610_CLK_END			185
+#define VF610_CLK_OCOTP			184
+#define VF610_CLK_DDRMC			185
+#define VF610_CLK_WKPU			186
+#define VF610_CLK_TCON0			187
+#define VF610_CLK_TCON1			188
+#define VF610_CLK_END			189
 
 #endif /* __DT_BINDINGS_CLOCK_VF610_H */