The initial R8A7742 SoC device tree including CPU[0-8], PMU, PFC,
CPG, RST, SYSC, ICRAM[0-2], SCIFA2, MMC1, DMAC[0-1], GIC, PRR, timer
and the required clock descriptions.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@xxxxxxxxxxxxxx>
---
arch/arm/boot/dts/r8a7742.dtsi | 389 +++++++++++++++++++++++++++++++++
1 file changed, 389 insertions(+)
create mode 100644 arch/arm/boot/dts/r8a7742.dtsi
diff --git a/arch/arm/boot/dts/r8a7742.dtsi b/arch/arm/boot/dts/r8a7742.dtsi
new file mode 100644
index 000000000000..8d64cd0a2137
--- /dev/null
+++ b/arch/arm/boot/dts/r8a7742.dtsi
@@ -0,0 +1,389 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree Source for the r8a7742 SoC
+ *
+ * Copyright (C) 2020 Renesas Electronics Corp.
+ */
+
+#include <dt-bindings/clock/r8a7742-cpg-mssr.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/power/r8a7742-sysc.h>
+
+/ {
+ compatible = "renesas,r8a7742";
+ #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 = <1400000000>;
+ clocks = <&cpg CPG_CORE R8A7742_CLK_Z>;
+ power-domains = <&sysc R8A7742_PD_CA15_CPU0>;
+ next-level-cache = <&L2_CA15>;
+ capacity-dmips-mhz = <1024>;
+ voltage-tolerance = <1>; /* 1% */
+ clock-latency = <300000>; /* 300 us */
+
+ /* kHz - uV - OPPs unknown yet */
+ operating-points = <1400000 1000000>,
+ <1225000 1000000>,
+ <1050000 1000000>,
+ < 875000 1000000>,
+ < 700000 1000000>,
+ < 350000 1000000>;
+ };
+
+ cpu1: cpu@1 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a15";
+ reg = <1>;
+ clock-frequency = <1400000000>;
+ clocks = <&cpg CPG_CORE R8A7742_CLK_Z>;
+ power-domains = <&sysc R8A7742_PD_CA15_CPU1>;
+ next-level-cache = <&L2_CA15>;
+ capacity-dmips-mhz = <1024>;
+ voltage-tolerance = <1>; /* 1% */
+ clock-latency = <300000>; /* 300 us */
+
+ /* kHz - uV - OPPs unknown yet */
+ operating-points = <1400000 1000000>,
+ <1225000 1000000>,
+ <1050000 1000000>,
+ < 875000 1000000>,
+ < 700000 1000000>,
+ < 350000 1000000>;
+ };
+
+ cpu2: cpu@2 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a15";
+ reg = <2>;
+ clock-frequency = <1400000000>;
+ clocks = <&cpg CPG_CORE R8A7742_CLK_Z>;
+ power-domains = <&sysc R8A7742_PD_CA15_CPU2>;
+ next-level-cache = <&L2_CA15>;
+ capacity-dmips-mhz = <1024>;
+ voltage-tolerance = <1>; /* 1% */
+ clock-latency = <300000>; /* 300 us */
+
+ /* kHz - uV - OPPs unknown yet */
+ operating-points = <1400000 1000000>,
+ <1225000 1000000>,
+ <1050000 1000000>,
+ < 875000 1000000>,
+ < 700000 1000000>,
+ < 350000 1000000>;
+ };
+
+ cpu3: cpu@3 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a15";
+ reg = <3>;
+ clock-frequency = <1400000000>;
+ clocks = <&cpg CPG_CORE R8A7742_CLK_Z>;
+ power-domains = <&sysc R8A7742_PD_CA15_CPU3>;
+ next-level-cache = <&L2_CA15>;
+ capacity-dmips-mhz = <1024>;
+ voltage-tolerance = <1>; /* 1% */
+ clock-latency = <300000>; /* 300 us */
+
+ /* kHz - uV - OPPs unknown yet */
+ operating-points = <1400000 1000000>,
+ <1225000 1000000>,
+ <1050000 1000000>,
+ < 875000 1000000>,
+ < 700000 1000000>,
+ < 350000 1000000>;
+ };
+
+ cpu4: cpu@100 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a7";
+ reg = <0x100>;
+ clock-frequency = <780000000>;
+ clocks = <&cpg CPG_CORE R8A7742_CLK_Z2>;
+ power-domains = <&sysc R8A7742_PD_CA7_CPU0>;
+ next-level-cache = <&L2_CA7>;
+ };
+
+ cpu5: cpu@101 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a7";
+ reg = <0x101>;
+ clock-frequency = <780000000>;
+ clocks = <&cpg CPG_CORE R8A7742_CLK_Z2>;
+ power-domains = <&sysc R8A7742_PD_CA7_CPU1>;
+ next-level-cache = <&L2_CA7>;
+ };
+
+ cpu6: cpu@102 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a7";
+ reg = <0x102>;
+ clock-frequency = <780000000>;
+ clocks = <&cpg CPG_CORE R8A7742_CLK_Z2>;
+ power-domains = <&sysc R8A7742_PD_CA7_CPU2>;
+ next-level-cache = <&L2_CA7>;
+ };
+
+ cpu7: cpu@103 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a7";
+ reg = <0x103>;
+ clock-frequency = <780000000>;
+ clocks = <&cpg CPG_CORE R8A7742_CLK_Z2>;
+ power-domains = <&sysc R8A7742_PD_CA7_CPU3>;
+ next-level-cache = <&L2_CA7>;
+ };
+
+ L2_CA15: cache-controller-0 {
+ compatible = "cache";
+ power-domains = <&sysc R8A7742_PD_CA15_SCU>;
+ cache-unified;
+ cache-level = <2>;
+ };
+
+ L2_CA7: cache-controller-1 {
+ compatible = "cache";
+ power-domains = <&sysc R8A7742_PD_CA7_SCU>;
+ cache-unified;
+ cache-level = <2>;
+ };
+ };
+
+ /* External root clock */
+ extal_clk: extal {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ /* This value must be overridden by the board. */
+ clock-frequency = <0>;
+ };
+
+ pmu-0 {
+ compatible = "arm,cortex-a15-pmu";
+ interrupts-extended = <&gic GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>,
+ <&gic GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>,
+ <&gic GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH>,
+ <&gic GIC_SPI 75 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-affinity = <&cpu0>, <&cpu1>, <&cpu2>, <&cpu3>;
+ };
+
+ pmu-1 {
+ compatible = "arm,cortex-a7-pmu";
+ interrupts-extended = <&gic GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>,
+ <&gic GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>,
+ <&gic GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>,
+ <&gic GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-affinity = <&cpu4>, <&cpu5>, <&cpu6>, <&cpu7>;
+ };
+
+ /* External SCIF clock */
+ scif_clk: scif {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ /* This value must be overridden by the board. */
+ clock-frequency = <0>;
+ };
+
+ soc {
+ compatible = "simple-bus";
+ interrupt-parent = <&gic>;
+
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ pfc: pin-controller@e6060000 {
+ compatible = "renesas,pfc-r8a7742";
+ reg = <0 0xe6060000 0 0x250>;
+ };
+
+ cpg: clock-controller@e6150000 {
+ compatible = "renesas,r8a7742-cpg-mssr";
+ reg = <0 0xe6150000 0 0x1000>;
+ clocks = <&extal_clk>, <&usb_extal_clk>;
+ clock-names = "extal", "usb_extal";
+ #clock-cells = <2>;
+ #power-domain-cells = <0>;
+ #reset-cells = <1>;
+ };
+
+ rst: reset-controller@e6160000 {
+ compatible = "renesas,r8a7742-rst";
+ reg = <0 0xe6160000 0 0x0100>;
+ };
+
+ sysc: system-controller@e6180000 {
+ compatible = "renesas,r8a7742-sysc";
+ reg = <0 0xe6180000 0 0x0200>;
+ #power-domain-cells = <1>;
+ };
+
+ icram0: sram@e63a0000 {
+ compatible = "mmio-sram";
+ reg = <0 0xe63a0000 0 0x12000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0 0 0xe63a0000 0x12000>;
+ };
+
+ icram1: sram@e63c0000 {
+ compatible = "mmio-sram";
+ reg = <0 0xe63c0000 0 0x1000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0 0 0xe63c0000 0x1000>;
+
+ smp-sram@0 {
+ compatible = "renesas,smp-sram";
+ reg = <0 0x100>;
+ };
+ };
+
+ icram2: sram@e6300000 {
+ compatible = "mmio-sram";
+ reg = <0 0xe6300000 0 0x40000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0 0 0xe6300000 0x40000>;
+ };
+
+ scifa2: serial@e6c60000 {
+ compatible = "renesas,scifa-r8a7742",
+ "renesas,rcar-gen2-scifa", "renesas,scifa";
+ reg = <0 0xe6c60000 0 0x40>;
+ interrupts = <GIC_SPI 151 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&cpg CPG_MOD 202>;
+ clock-names = "fck";
+ dmas = <&dmac0 0x27>, <&dmac0 0x28>,
+ <&dmac1 0x27>, <&dmac1 0x28>;
+ dma-names = "tx", "rx", "tx", "rx";
+ power-domains = <&sysc R8A7742_PD_ALWAYS_ON>;
+ resets = <&cpg 202>;
+ status = "disabled";
+ };
+
+ mmcif1: mmc@ee220000 {
+ compatible = "renesas,mmcif-r8a7742",
+ "renesas,sh-mmcif";
+ reg = <0 0xee220000 0 0x80>;
+ interrupts = <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&cpg CPG_MOD 305>;
+ dmas = <&dmac0 0xe1>, <&dmac0 0xe2>,
+ <&dmac1 0xe1>, <&dmac1 0xe2>;
+ dma-names = "tx", "rx", "tx", "rx";
+ power-domains = <&sysc R8A7742_PD_ALWAYS_ON>;
+ resets = <&cpg 305>;
+ reg-io-width = <4>;
+ status = "disabled";
+ max-frequency = <97500000>;
+ };
+
+ dmac0: dma-controller@e6700000 {
+ compatible = "renesas,dmac-r8a7742",
+ "renesas,rcar-dmac";
+ reg = <0 0xe6700000 0 0x20000>;
+ interrupts = <GIC_SPI 197 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 200 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 201 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 202 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 203 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 204 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 205 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 206 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 207 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 209 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 210 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 211 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 212 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 213 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 214 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "error",
+ "ch0", "ch1", "ch2", "ch3",
+ "ch4", "ch5", "ch6", "ch7",
+ "ch8", "ch9", "ch10", "ch11",
+ "ch12", "ch13", "ch14";
+ clocks = <&cpg CPG_MOD 219>;
+ clock-names = "fck";
+ power-domains = <&sysc R8A7742_PD_ALWAYS_ON>;
+ resets = <&cpg 219>;
+ #dma-cells = <1>;
+ dma-channels = <15>;
+ };
+
+ dmac1: dma-controller@e6720000 {
+ compatible = "renesas,dmac-r8a7742",
+ "renesas,rcar-dmac";
+ reg = <0 0xe6720000 0 0x20000>;
+ interrupts = <GIC_SPI 220 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 216 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 217 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 218 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 219 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 308 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 309 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 310 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 311 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 312 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 313 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 314 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 315 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 316 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 317 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 318 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "error",
+ "ch0", "ch1", "ch2", "ch3",
+ "ch4", "ch5", "ch6", "ch7",
+ "ch8", "ch9", "ch10", "ch11",
+ "ch12", "ch13", "ch14";
+ clocks = <&cpg CPG_MOD 218>;
+ clock-names = "fck";
+ power-domains = <&sysc R8A7742_PD_ALWAYS_ON>;
+ resets = <&cpg 218>;
+ #dma-cells = <1>;
+ dma-channels = <15>;
+ };
+
+ gic: interrupt-controller@f1001000 {
+ compatible = "arm,gic-400";
+ #interrupt-cells = <3>;
+ #address-cells = <0>;
+ interrupt-controller;
+ reg = <0 0xf1001000 0 0x1000>, <0 0xf1002000 0 0x2000>,
+ <0 0xf1004000 0 0x2000>, <0 0xf1006000 0 0x2000>;
+ interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_HIGH)>;
+ clocks = <&cpg CPG_MOD 408>;
+ clock-names = "clk";
+ power-domains = <&sysc R8A7742_PD_ALWAYS_ON>;
+ resets = <&cpg 408>;
+ };
+
+ prr: chipid@ff000044 {
+ compatible = "renesas,prr";
+ reg = <0 0xff000044 0 4>;
+ };
+ };
+
+ timer {
+ compatible = "arm,armv7-timer";
+ interrupts-extended = <&gic GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>,
+ <&gic GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>,
+ <&gic GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>,
+ <&gic GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>;
+ };
+
+ /* External USB clock - can be overridden by the board */
+ usb_extal_clk: usb_extal {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <48000000>;
+ };
+};
--
2.17.1
