[PATCH RFC 5/8] ARM: dts: r8a7743: initial SoC device tree
Sergei Shtylyov
sergei.shtylyov at cogentembedded.com
Fri Sep 16 06:35:08 PDT 2016
The initial R8A7743 SoC device tree including CPU cores, GIC, timer, SYSC,
and the required clock descriptions.
Based on the original (and large) patch by Dmitry Shifrin
<dmitry.shifrin at cogentembedded.com>.
Signed-off-by: Sergei Shtylyov <sergei.shtylyov at cogentembedded.com>
---
arch/arm/boot/dts/r8a7743.dtsi | 210 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 210 insertions(+)
Index: renesas/arch/arm/boot/dts/r8a7743.dtsi
===================================================================
--- /dev/null
+++ renesas/arch/arm/boot/dts/r8a7743.dtsi
@@ -0,0 +1,210 @@
+/*
+ * Device Tree Source for the r8a7743 SoC
+ *
+ * Copyright (C) 2016 Cogent Embedded Inc.
+ *
+ * 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/interrupt-controller/irq.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/clock/r8a7743-clock.h>
+#include <dt-bindings/power/r8a7743-sysc.h>
+
+/ {
+ compatible = "renesas,r8a7743";
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu0: cpu at 0 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a15";
+ reg = <0>;
+ clock-frequency = <1500000000>;
+ clocks = <&cpg_clocks R8A7743_CLK_Z>;
+ power-domains = <&sysc R8A7743_PD_CA15_CPU0>;
+ next-level-cache = <&L2_CA15>;
+ };
+
+ cpu1: cpu at 1 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a15";
+ reg = <1>;
+ clock-frequency = <1500000000>;
+ power-domains = <&sysc R8A7743_PD_CA15_CPU1>;
+ next-level-cache = <&L2_CA15>;
+ };
+
+ L2_CA15: cache-controller at 0 {
+ compatible = "cache";
+ reg = <0>;
+ cache-unified;
+ cache-level = <2>;
+ power-domains = <&sysc R8A7743_PD_CA15_SCU>;
+ };
+ };
+
+ soc {
+ compatible = "simple-bus";
+ interrupt-parent = <&gic>;
+
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ gic: interrupt-controller at f1001000 {
+ compatible = "arm,gic-400";
+ #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 = <GIC_PPI 9
+ (GIC_CPU_MASK_SIMPLE(2) |
+ IRQ_TYPE_LEVEL_HIGH)>;
+ };
+
+ timer {
+ compatible = "arm,armv7-timer";
+ interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) |
+ IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(2) |
+ IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(2) |
+ IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(2) |
+ IRQ_TYPE_LEVEL_LOW)>;
+ };
+
+ sysc: system-controller at e6180000 {
+ compatible = "renesas,r8a7743-sysc";
+ reg = <0 0xe6180000 0 0x0200>;
+ #power-domain-cells = <1>;
+ };
+
+ /* Special CPG clocks */
+ cpg_clocks: cpg_clocks at e6150000 {
+ compatible = "renesas,r8a7743-cpg-clocks",
+ "renesas,rcar-gen2-cpg-clocks";
+ reg = <0 0xe6150000 0 0x1000>;
+ clocks = <&extal_clk &usb_extal_clk>;
+ #clock-cells = <1>;
+ clock-output-names = "main", "pll0", "pll1", "pll3",
+ "lb", "qspi", "sdh", "sd0", "z",
+ "rcan";
+ #power-domain-cells = <0>;
+ };
+
+ /* Fixed factor clocks */
+ pll1_div2_clk: pll1_div2 {
+ compatible = "fixed-factor-clock";
+ clocks = <&cpg_clocks R8A7743_CLK_PLL1>;
+ #clock-cells = <0>;
+ clock-div = <2>;
+ clock-mult = <1>;
+ };
+ zs_clk: zs {
+ compatible = "fixed-factor-clock";
+ clocks = <&cpg_clocks R8A7743_CLK_PLL1>;
+ #clock-cells = <0>;
+ clock-div = <6>;
+ clock-mult = <1>;
+ };
+ p_clk: p {
+ compatible = "fixed-factor-clock";
+ clocks = <&cpg_clocks R8A7743_CLK_PLL1>;
+ #clock-cells = <0>;
+ clock-div = <24>;
+ clock-mult = <1>;
+ };
+ mp_clk: mp {
+ compatible = "fixed-factor-clock";
+ clocks = <&pll1_div2_clk>;
+ #clock-cells = <0>;
+ clock-div = <15>;
+ clock-mult = <1>;
+ };
+
+ /* Gate clocks */
+ mstp2_clks: mstp2_clks at e6150138 {
+ compatible = "renesas,r8a7743-mstp-clocks",
+ "renesas,cpg-mstp-clocks";
+ reg = <0 0xe6150138 0 4>, <0 0xe6150040 0 4>;
+ clocks = <&mp_clk>, <&mp_clk>, <&mp_clk>, <&mp_clk>,
+ <&mp_clk>, <&mp_clk>, <&zs_clk>, <&zs_clk>;
+ #clock-cells = <1>;
+ clock-indices = <
+ R8A7743_CLK_SCIFA2 R8A7743_CLK_SCIFA1
+ R8A7743_CLK_SCIFA0 R8A7743_CLK_SCIFB0
+ R8A7743_CLK_SCIFB1 R8A7743_CLK_SCIFB2
+ R8A7743_CLK_SYS_DMAC1 R8A7743_CLK_SYS_DMAC0
+ >;
+ clock-output-names =
+ "scifa2", "scifa1", "scifa0",
+ "scifb0", "scifb1", "scifb2",
+ "sys-dmac1", "sys-dmac0";
+ };
+ mstp7_clks: mstp7_clks at e615014c {
+ compatible = "renesas,r8a7743-mstp-clocks",
+ "renesas,cpg-mstp-clocks";
+ reg = <0 0xe615014c 0 4>, <0 0xe61501c4 0 4>;
+ clocks = <&zs_clk>, <&p_clk>, <&p_clk>, <&zs_clk>,
+ <&zs_clk>, <&p_clk>, <&p_clk>, <&p_clk>,
+ <&p_clk>;
+ #clock-cells = <1>;
+ clock-indices = <
+ R8A7743_CLK_HSCIF2 R8A7743_CLK_SCIF5
+ R8A7743_CLK_SCIF4 R8A7743_CLK_HSCIF1
+ R8A7743_CLK_HSCIF0 R8A7743_CLK_SCIF3
+ R8A7743_CLK_SCIF2 R8A7743_CLK_SCIF1
+ R8A7743_CLK_SCIF0
+ >;
+ clock-output-names =
+ "hscif2", "scif5", "scif4", "hscif1", "hscif0",
+ "scif3", "scif2", "scif1", "scif0";
+ };
+ mstp11_clks: mstp11_clks at e615099c {
+ compatible = "renesas,r8a7743-mstp-clocks",
+ "renesas,cpg-mstp-clocks";
+ reg = <0 0xe615099c 0 4>, <0 0xe61509ac 0 4>;
+ clocks = <&mp_clk>, <&mp_clk>, <&mp_clk>;
+ #clock-cells = <1>;
+ clock-indices = <
+ R8A7743_CLK_SCIFA3 R8A7743_CLK_SCIFA4
+ R8A7743_CLK_SCIFA5
+ >;
+ clock-output-names = "scifa3", "scifa4", "scifa5";
+ };
+ };
+
+ /* External root clock */
+ extal_clk: extal {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ /* This value must be overriden by the board. */
+ clock-frequency = <0>;
+ };
+
+ /* External USB clock - can be overridden by the board */
+ usb_extal_clk: usb_extal {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <48000000>;
+ };
+
+ /* External SCIF clock */
+ scif_clk: scif {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ /* This value must be overridden by the board. */
+ clock-frequency = <0>;
+ };
+};
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