ARM: shmobile: add r8a7793 minimal SoC device tree

Minimal r8a7793 device tree including one CPU core, interrupt controllers,
timers, two serial ports, and the Ethernet controller, plus the required
clock descriptions.

Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

1 files changed, 367 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/r8a7793.dtsi b/arch/arm/boot/dts/r8a7793.dtsi
new file mode 100644
index 000000000000..c50c5f65388a
--- /dev/null
+++ b/arch/arm/boot/dts/r8a7793.dtsi
@@ -0,0 +1,367 @@
+/*
+ * Device Tree Source for the r8a7793 SoC
+ *
+ * Copyright (C) 2014-2015 Renesas Electronics Corporation
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2.  This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+#include <dt-bindings/clock/r8a7793-clock.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/ {
+	compatible = "renesas,r8a7793";
+	interrupt-parent = <&gic>;
+	#address-cells = <2>;
+	#size-cells = <2>;
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu0: cpu@0 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a15";
+			reg = <0>;
+			clock-frequency = <1500000000>;
+			voltage-tolerance = <1>; /* 1% */
+			clocks = <&cpg_clocks R8A7793_CLK_Z>;
+			clock-latency = <300000>; /* 300 us */
+
+			/* kHz - uV - OPPs unknown yet */
+			operating-points = <1500000 1000000>,
+					   <1312500 1000000>,
+					   <1125000 1000000>,
+					   < 937500 1000000>,
+					   < 750000 1000000>,
+					   < 375000 1000000>;
+		};
+	};
+
+	gic: interrupt-controller@f1001000 {
+		compatible = "arm,cortex-a15-gic";
+		#interrupt-cells = <3>;
+		#address-cells = <0>;
+		interrupt-controller;
+		reg = <0 0xf1001000 0 0x1000>,
+			<0 0xf1002000 0 0x1000>,
+			<0 0xf1004000 0 0x2000>,
+			<0 0xf1006000 0 0x2000>;
+		interrupts = <1 9 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_HIGH)>;
+	};
+
+	timer {
+		compatible = "arm,armv7-timer";
+		interrupts = <1 13 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
+			     <1 14 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
+			     <1 11 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
+			     <1 10 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>;
+	};
+
+	cmt0: timer@ffca0000 {
+		compatible = "renesas,cmt-48-r8a7793", "renesas,cmt-48-gen2";
+		reg = <0 0xffca0000 0 0x1004>;
+		interrupts = <0 142 IRQ_TYPE_LEVEL_HIGH>,
+			     <0 143 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&mstp1_clks R8A7793_CLK_CMT0>;
+		clock-names = "fck";
+
+		renesas,channels-mask = <0x60>;
+
+		status = "disabled";
+	};
+
+	cmt1: timer@e6130000 {
+		compatible = "renesas,cmt-48-r8a7793", "renesas,cmt-48-gen2";
+		reg = <0 0xe6130000 0 0x1004>;
+		interrupts = <0 120 IRQ_TYPE_LEVEL_HIGH>,
+			     <0 121 IRQ_TYPE_LEVEL_HIGH>,
+			     <0 122 IRQ_TYPE_LEVEL_HIGH>,
+			     <0 123 IRQ_TYPE_LEVEL_HIGH>,
+			     <0 124 IRQ_TYPE_LEVEL_HIGH>,
+			     <0 125 IRQ_TYPE_LEVEL_HIGH>,
+			     <0 126 IRQ_TYPE_LEVEL_HIGH>,
+			     <0 127 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&mstp3_clks R8A7793_CLK_CMT1>;
+		clock-names = "fck";
+
+		renesas,channels-mask = <0xff>;
+
+		status = "disabled";
+	};
+
+	irqc0: interrupt-controller@e61c0000 {
+		compatible = "renesas,irqc-r8a7793", "renesas,irqc";
+		#interrupt-cells = <2>;
+		interrupt-controller;
+		reg = <0 0xe61c0000 0 0x200>;
+		interrupts = <0 0 IRQ_TYPE_LEVEL_HIGH>,
+			     <0 1 IRQ_TYPE_LEVEL_HIGH>,
+			     <0 2 IRQ_TYPE_LEVEL_HIGH>,
+			     <0 3 IRQ_TYPE_LEVEL_HIGH>,
+			     <0 12 IRQ_TYPE_LEVEL_HIGH>,
+			     <0 13 IRQ_TYPE_LEVEL_HIGH>,
+			     <0 14 IRQ_TYPE_LEVEL_HIGH>,
+			     <0 15 IRQ_TYPE_LEVEL_HIGH>,
+			     <0 16 IRQ_TYPE_LEVEL_HIGH>,
+			     <0 17 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&mstp4_clks R8A7793_CLK_IRQC>;
+	};
+
+	scif0: serial@e6e60000 {
+		compatible = "renesas,scif-r8a7793", "renesas,scif";
+		reg = <0 0xe6e60000 0 64>;
+		interrupts = <0 152 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&mstp7_clks R8A7793_CLK_SCIF0>;
+		clock-names = "sci_ick";
+		status = "disabled";
+	};
+
+	scif1: serial@e6e68000 {
+		compatible = "renesas,scif-r8a7793", "renesas,scif";
+		reg = <0 0xe6e68000 0 64>;
+		interrupts = <0 153 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&mstp7_clks R8A7793_CLK_SCIF1>;
+		clock-names = "sci_ick";
+		status = "disabled";
+	};
+
+	ether: ethernet@ee700000 {
+		compatible = "renesas,ether-r8a7793";
+		reg = <0 0xee700000 0 0x400>;
+		interrupts = <0 162 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&mstp8_clks R8A7793_CLK_ETHER>;
+		phy-mode = "rmii";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		status = "disabled";
+	};
+
+	clocks {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		/* External root clock */
+		extal_clk: extal_clk {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			/* This value must be overridden by the board. */
+			clock-frequency = <0>;
+			clock-output-names = "extal";
+		};
+
+		/* Special CPG clocks */
+		cpg_clocks: cpg_clocks@e6150000 {
+			compatible = "renesas,r8a7793-cpg-clocks",
+				     "renesas,rcar-gen2-cpg-clocks";
+			reg = <0 0xe6150000 0 0x1000>;
+			clocks = <&extal_clk>;
+			#clock-cells = <1>;
+			clock-output-names = "main", "pll0", "pll1", "pll3",
+					     "lb", "qspi", "sdh", "sd0", "z",
+					     "rcan", "adsp";
+		};
+
+		/* Variable factor clocks */
+		sd2_clk: sd2_clk@e6150078 {
+			compatible = "renesas,r8a7793-div6-clock",
+				     "renesas,cpg-div6-clock";
+			reg = <0 0xe6150078 0 4>;
+			clocks = <&pll1_div2_clk>;
+			#clock-cells = <0>;
+			clock-output-names = "sd2";
+		};
+		sd3_clk: sd3_clk@e615026c {
+			compatible = "renesas,r8a7793-div6-clock",
+				     "renesas,cpg-div6-clock";
+			reg = <0 0xe615026c 0 4>;
+			clocks = <&pll1_div2_clk>;
+			#clock-cells = <0>;
+			clock-output-names = "sd3";
+		};
+		mmc0_clk: mmc0_clk@e6150240 {
+			compatible = "renesas,r8a7793-div6-clock",
+				     "renesas,cpg-div6-clock";
+			reg = <0 0xe6150240 0 4>;
+			clocks = <&pll1_div2_clk>;
+			#clock-cells = <0>;
+			clock-output-names = "mmc0";
+		};
+
+		/* Fixed factor clocks */
+		pll1_div2_clk: pll1_div2_clk {
+			compatible = "fixed-factor-clock";
+			clocks = <&cpg_clocks R8A7793_CLK_PLL1>;
+			#clock-cells = <0>;
+			clock-div = <2>;
+			clock-mult = <1>;
+			clock-output-names = "pll1_div2";
+		};
+		zg_clk: zg_clk {
+			compatible = "fixed-factor-clock";
+			clocks = <&cpg_clocks R8A7793_CLK_PLL1>;
+			#clock-cells = <0>;
+			clock-div = <5>;
+			clock-mult = <1>;
+			clock-output-names = "zg";
+		};
+		zx_clk: zx_clk {
+			compatible = "fixed-factor-clock";
+			clocks = <&cpg_clocks R8A7793_CLK_PLL1>;
+			#clock-cells = <0>;
+			clock-div = <3>;
+			clock-mult = <1>;
+			clock-output-names = "zx";
+		};
+		zs_clk: zs_clk {
+			compatible = "fixed-factor-clock";
+			clocks = <&cpg_clocks R8A7793_CLK_PLL1>;
+			#clock-cells = <0>;
+			clock-div = <6>;
+			clock-mult = <1>;
+			clock-output-names = "zs";
+		};
+		hp_clk: hp_clk {
+			compatible = "fixed-factor-clock";
+			clocks = <&cpg_clocks R8A7793_CLK_PLL1>;
+			#clock-cells = <0>;
+			clock-div = <12>;
+			clock-mult = <1>;
+			clock-output-names = "hp";
+		};
+		p_clk: p_clk {
+			compatible = "fixed-factor-clock";
+			clocks = <&cpg_clocks R8A7793_CLK_PLL1>;
+			#clock-cells = <0>;
+			clock-div = <24>;
+			clock-mult = <1>;
+			clock-output-names = "p";
+		};
+		rclk_clk: rclk_clk {
+			compatible = "fixed-factor-clock";
+			clocks = <&cpg_clocks R8A7793_CLK_PLL1>;
+			#clock-cells = <0>;
+			clock-div = <(48 * 1024)>;
+			clock-mult = <1>;
+			clock-output-names = "rclk";
+		};
+		mp_clk: mp_clk {
+			compatible = "fixed-factor-clock";
+			clocks = <&pll1_div2_clk>;
+			#clock-cells = <0>;
+			clock-div = <15>;
+			clock-mult = <1>;
+			clock-output-names = "mp";
+		};
+		cp_clk: cp_clk {
+			compatible = "fixed-factor-clock";
+			clocks = <&extal_clk>;
+			#clock-cells = <0>;
+			clock-div = <2>;
+			clock-mult = <1>;
+			clock-output-names = "cp";
+		};
+
+		/* Gate clocks */
+		mstp1_clks: mstp1_clks@e6150134 {
+			compatible = "renesas,r8a7793-mstp-clocks",
+				     "renesas,cpg-mstp-clocks";
+			reg = <0 0xe6150134 0 4>, <0 0xe6150038 0 4>;
+			clocks = <&zs_clk>, <&zs_clk>, <&zs_clk>, <&p_clk>,
+				 <&zg_clk>, <&zs_clk>, <&zs_clk>, <&zs_clk>,
+				 <&p_clk>, <&p_clk>, <&rclk_clk>, <&cp_clk>,
+				 <&zs_clk>, <&zs_clk>, <&zs_clk>;
+			#clock-cells = <1>;
+			clock-indices = <
+				R8A7793_CLK_VCP0 R8A7793_CLK_VPC0
+				R8A7793_CLK_SSP1 R8A7793_CLK_TMU1
+				R8A7793_CLK_3DG R8A7793_CLK_2DDMAC
+				R8A7793_CLK_FDP1_1 R8A7793_CLK_FDP1_0
+				R8A7793_CLK_TMU3 R8A7793_CLK_TMU2
+				R8A7793_CLK_CMT0 R8A7793_CLK_TMU0
+				R8A7793_CLK_VSP1_DU1 R8A7793_CLK_VSP1_DU0
+				R8A7793_CLK_VSP1_S
+			>;
+			clock-output-names =
+				"vcp0", "vpc0", "ssp_dev", "tmu1",
+				"pvrsrvkm", "tddmac", "fdp1", "fdp0",
+				"tmu3", "tmu2", "cmt0", "tmu0", "vsp1-du1",
+				"vsp1-du0", "vsps";
+		};
+		mstp3_clks: mstp3_clks@e615013c {
+			compatible = "renesas,r8a7793-mstp-clocks",
+				     "renesas,cpg-mstp-clocks";
+			reg = <0 0xe615013c 0 4>, <0 0xe6150048 0 4>;
+			clocks = <&cp_clk>, <&sd3_clk>, <&sd2_clk>,
+				 <&cpg_clocks R8A7793_CLK_SD0>, <&mmc0_clk>,
+				 <&hp_clk>, <&mp_clk>, <&hp_clk>, <&mp_clk>,
+				 <&rclk_clk>, <&hp_clk>, <&hp_clk>;
+			#clock-cells = <1>;
+			clock-indices = <
+				R8A7793_CLK_TPU0 R8A7793_CLK_SDHI2
+				R8A7793_CLK_SDHI1 R8A7793_CLK_SDHI0
+				R8A7793_CLK_MMCIF0 R8A7793_CLK_IIC0
+				R8A7793_CLK_PCIEC R8A7793_CLK_IIC1
+				R8A7793_CLK_SSUSB R8A7793_CLK_CMT1
+				R8A7793_CLK_USBDMAC0 R8A7793_CLK_USBDMAC1
+			>;
+			clock-output-names =
+				"tpu0", "sdhi2", "sdhi1", "sdhi0", "mmcif0",
+				"i2c7", "pciec", "i2c8", "ssusb", "cmt1",
+				"usbdmac0", "usbdmac1";
+		};
+		mstp4_clks: mstp4_clks@e6150140 {
+			compatible = "renesas,r8a7793-mstp-clocks", "renesas,cpg-mstp-clocks";
+			reg = <0 0xe6150140 0 4>, <0 0xe615004c 0 4>;
+			clocks = <&cp_clk>;
+			#clock-cells = <1>;
+			clock-indices = <R8A7793_CLK_IRQC>;
+			clock-output-names = "irqc";
+		};
+		mstp7_clks: mstp7_clks@e615014c {
+			compatible = "renesas,r8a7793-mstp-clocks",
+				     "renesas,cpg-mstp-clocks";
+			reg = <0 0xe615014c 0 4>, <0 0xe61501c4 0 4>;
+			clocks = <&mp_clk>,  <&hp_clk>, <&zs_clk>, <&p_clk>,
+				 <&p_clk>, <&zs_clk>, <&zs_clk>, <&p_clk>,
+				 <&p_clk>, <&p_clk>, <&p_clk>, <&zx_clk>,
+				 <&zx_clk>, <&zx_clk>;
+			#clock-cells = <1>;
+			clock-indices = <
+				R8A7793_CLK_EHCI R8A7793_CLK_HSUSB
+				R8A7793_CLK_HSCIF2 R8A7793_CLK_SCIF5
+				R8A7793_CLK_SCIF4 R8A7793_CLK_HSCIF1
+				R8A7793_CLK_HSCIF0 R8A7793_CLK_SCIF3
+				R8A7793_CLK_SCIF2 R8A7793_CLK_SCIF1
+				R8A7793_CLK_SCIF0 R8A7793_CLK_DU1
+				R8A7793_CLK_DU0 R8A7793_CLK_LVDS0
+			>;
+			clock-output-names =
+				"ehci", "hsusb", "hscif2", "scif5", "scif4",
+				"hscif1", "hscif0", "scif3", "scif2",
+				"scif1", "scif0", "du1", "du0", "lvds0";
+		};
+		mstp8_clks: mstp8_clks@e6150990 {
+			compatible = "renesas,r8a7793-mstp-clocks",
+				     "renesas,cpg-mstp-clocks";
+			reg = <0 0xe6150990 0 4>, <0 0xe61509a0 0 4>;
+			clocks = <&zx_clk>, <&zg_clk>, <&zg_clk>, <&zg_clk>,
+				 <&p_clk>, <&zs_clk>, <&zs_clk>;
+			#clock-cells = <1>;
+			clock-indices = <
+				R8A7793_CLK_IPMMU_SGX R8A7793_CLK_VIN2
+				R8A7793_CLK_VIN1 R8A7793_CLK_VIN0
+				R8A7793_CLK_ETHER R8A7793_CLK_SATA1
+				R8A7793_CLK_SATA0
+			>;
+			clock-output-names =
+				"ipmmu_sgx", "vin2", "vin1", "vin0", "ether",
+				"sata1", "sata0";
+		};
+	};
+
+};