Merge tag 'renesas-arm64-dt2-for-v4.7' of...

Merge tag 'renesas-arm64-dt2-for-v4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/dt64

Merge "Second Round of Renesas ARM64 Based SoC DT Updates for v4.7" from Simon Horman:

* Don't disable referenced optional clocks in DT of r8a7795 SoC
* Populate EXTALR in DT of salvator-x board
* Enable PCIe in DT of salvator-x board

* tag 'renesas-arm64-dt2-for-v4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  arm64: dts: r8a7795: Don't disable referenced optional clocks
  arm64: dts: salvator-x: populate EXTALR
  arm64: dts: r8a7795: enable PCIe on Salvator-X
  arm64: dts: r8a7795: Add PCIe nodes
  arm64: dts: r8a7795: Use USB3.0 fallback compatibility string
  arm64: dts: r8a7795: Add CAN support
  arm64: dts: r8a7795: Add CAN external clock support

arch/arm64/boot/dts/renesas/r8a7795-salvator-x.dts

@@ -141,6 +141,10 @@ &extal_clk {
 	clock-frequency = <16666666>;
 };
 
+&extalr_clk {
+	clock-frequency = <32768>;
+};
+
 &pfc {
 	pinctrl-0 = <&scif_clk_pins>;
 	pinctrl-names = "default";
@@ -388,3 +392,16 @@ &ohci1 {
 &ohci2 {
 	status = "okay";
 };
+
+&pcie_bus_clk {
+	clock-frequency = <100000000>;
+	status = "okay";
+};
+
+&pciec0 {
+	status = "okay";
+};
+
+&pciec1 {
+	status = "okay";
+};

arch/arm64/boot/dts/renesas/r8a7795.dtsi

@@ -115,12 +115,25 @@ audio_clk_c: audio_clk_c {
 		clock-frequency = <0>;
 	};
 
+	/* External CAN clock - to be overridden by boards that provide it */
+	can_clk: can {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <0>;
+	};
+
 	/* External SCIF clock - to be overridden by boards that provide it */
 	scif_clk: scif {
 		compatible = "fixed-clock";
 		#clock-cells = <0>;
 		clock-frequency = <0>;
-		status = "disabled";
+	};
+
+	/* External PCIe clock - can be overridden by the board */
+	pcie_bus_clk: pcie_bus {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <0>;
 	};
 
 	soc {
@@ -515,6 +528,36 @@ avb: ethernet@e6800000 {
 			#size-cells = <0>;
 		};
 
+		can0: can@e6c30000 {
+			compatible = "renesas,can-r8a7795",
+				     "renesas,rcar-gen3-can";
+			reg = <0 0xe6c30000 0 0x1000>;
+			interrupts = <GIC_SPI 186 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 916>,
+			       <&cpg CPG_CORE R8A7795_CLK_CANFD>,
+			       <&can_clk>;
+			clock-names = "clkp1", "clkp2", "can_clk";
+			assigned-clocks = <&cpg CPG_CORE R8A7795_CLK_CANFD>;
+			assigned-clock-rates = <40000000>;
+			power-domains = <&cpg>;
+			status = "disabled";
+		};
+
+		can1: can@e6c38000 {
+			compatible = "renesas,can-r8a7795",
+				     "renesas,rcar-gen3-can";
+			reg = <0 0xe6c38000 0 0x1000>;
+			interrupts = <GIC_SPI 187 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 915>,
+			       <&cpg CPG_CORE R8A7795_CLK_CANFD>,
+			       <&can_clk>;
+			clock-names = "clkp1", "clkp2", "can_clk";
+			assigned-clocks = <&cpg CPG_CORE R8A7795_CLK_CANFD>;
+			assigned-clock-rates = <40000000>;
+			power-domains = <&cpg>;
+			status = "disabled";
+		};
+
 		hscif0: serial@e6540000 {
 			compatible = "renesas,hscif-r8a7795",
 				     "renesas,rcar-gen3-hscif",
@@ -944,7 +987,7 @@ sata: sata@ee300000 {
 		};
 
 		xhci0: usb@ee000000 {
-			compatible = "renesas,xhci-r8a7795";
+			compatible = "renesas,xhci-r8a7795", "renesas,rcar-gen3-xhci";
 			reg = <0 0xee000000 0 0xc00>;
 			interrupts = <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 328>;
@@ -953,7 +996,7 @@ xhci0: usb@ee000000 {
 		};
 
 		xhci1: usb@ee0400000 {
-			compatible = "renesas,xhci-r8a7795";
+			compatible = "renesas,xhci-r8a7795", "renesas,rcar-gen3-xhci";
 			reg = <0 0xee040000 0 0xc00>;
 			interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 327>;
@@ -1118,5 +1161,54 @@ ohci2: usb@ee0c0000 {
 			power-domains = <&cpg>;
 			status = "disabled";
 		};
+		pciec0: pcie@fe000000 {
+			compatible = "renesas,pcie-r8a7795";
+			reg = <0 0xfe000000 0 0x80000>;
+			#address-cells = <3>;
+			#size-cells = <2>;
+			bus-range = <0x00 0xff>;
+			device_type = "pci";
+			ranges = <0x01000000 0 0x00000000 0 0xfe100000 0 0x00100000
+				0x02000000 0 0xfe200000 0 0xfe200000 0 0x00200000
+				0x02000000 0 0x30000000 0 0x30000000 0 0x08000000
+				0x42000000 0 0x38000000 0 0x38000000 0 0x08000000>;
+			/* Map all possible DDR as inbound ranges */
+			dma-ranges = <0x42000000 0 0x40000000 0 0x40000000 0 0x40000000>;
+			interrupts = <GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH>,
+				<GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>,
+				<GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>;
+			#interrupt-cells = <1>;
+			interrupt-map-mask = <0 0 0 0>;
+			interrupt-map = <0 0 0 0 &gic GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 319>, <&pcie_bus_clk>;
+			clock-names = "pcie", "pcie_bus";
+			power-domains = <&cpg>;
+			status = "disabled";
+		};
+
+		pciec1: pcie@ee800000 {
+			compatible = "renesas,pcie-r8a7795";
+			reg = <0 0xee800000 0 0x80000>;
+			#address-cells = <3>;
+			#size-cells = <2>;
+			bus-range = <0x00 0xff>;
+			device_type = "pci";
+			ranges = <0x01000000 0 0x00000000 0 0xee900000 0 0x00100000
+				0x02000000 0 0xeea00000 0 0xeea00000 0 0x00200000
+				0x02000000 0 0xc0000000 0 0xc0000000 0 0x08000000
+				0x42000000 0 0xc8000000 0 0xc8000000 0 0x08000000>;
+			/* Map all possible DDR as inbound ranges */
+			dma-ranges = <0x42000000 0 0x40000000 0 0x40000000 0 0x40000000>;
+			interrupts = <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>,
+				<GIC_SPI 149 IRQ_TYPE_LEVEL_HIGH>,
+				<GIC_SPI 150 IRQ_TYPE_LEVEL_HIGH>;
+			#interrupt-cells = <1>;
+			interrupt-map-mask = <0 0 0 0>;
+			interrupt-map = <0 0 0 0 &gic GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 318>, <&pcie_bus_clk>;
+			clock-names = "pcie", "pcie_bus";
+			power-domains = <&cpg>;
+			status = "disabled";
+		};
 	};
 };