diff options
author | Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> | 2018-04-20 15:28:16 +0300 |
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committer | Simon Horman <horms+renesas@verge.net.au> | 2018-05-16 11:44:24 +0300 |
commit | f37a7767f6c4ec66c3df227ad4028e5390322202 (patch) | |
tree | ce8de40b2f87fe4756327206e29e76a50b6d86d5 /arch/arm64/boot/dts/renesas/r8a77990.dtsi | |
parent | 2964d7546f71c793581382a518b3f2da7a2ad5b6 (diff) | |
download | linux-f37a7767f6c4ec66c3df227ad4028e5390322202.tar.xz |
arm64: dts: renesas: Add Renesas R8A77990 SoC support
This patch adds basic support for the Renesas R-Car E3 (R8A77990) SoC:
- PSCI
- CPU (single)
- Cache controller
- Main clocks and controller
- Interrupt controller
- Timer
- PMU
- Reset controller
- Product register
- System controller
- UART for console
Inspried by a patch by Takeshi Kihara in the BSP.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Diffstat (limited to 'arch/arm64/boot/dts/renesas/r8a77990.dtsi')
-rw-r--r-- | arch/arm64/boot/dts/renesas/r8a77990.dtsi | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/r8a77990.dtsi b/arch/arm64/boot/dts/renesas/r8a77990.dtsi new file mode 100644 index 000000000000..3a19b9ebdd6e --- /dev/null +++ b/arch/arm64/boot/dts/renesas/r8a77990.dtsi @@ -0,0 +1,127 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Device Tree Source for the r8a77990 SoC + * + * Copyright (C) 2018 Renesas Electronics Corp. + */ + +#include <dt-bindings/clock/renesas-cpg-mssr.h> +#include <dt-bindings/interrupt-controller/arm-gic.h> + +/ { + compatible = "renesas,r8a77990"; + #address-cells = <2>; + #size-cells = <2>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + /* 1 core only at this point */ + a53_0: cpu@0 { + compatible = "arm,cortex-a53", "arm,armv8"; + reg = <0x0>; + device_type = "cpu"; + power-domains = <&sysc 5>; + next-level-cache = <&L2_CA53>; + enable-method = "psci"; + }; + + L2_CA53: cache-controller@0 { + compatible = "cache"; + reg = <0>; + power-domains = <&sysc 21>; + cache-unified; + cache-level = <2>; + }; + }; + + extal_clk: extal { + compatible = "fixed-clock"; + #clock-cells = <0>; + /* This value must be overridden by the board */ + clock-frequency = <0>; + }; + + pmu_a53 { + compatible = "arm,cortex-a53-pmu"; + interrupts-extended = <&gic GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>; + interrupt-affinity = <&a53_0>; + }; + + psci { + compatible = "arm,psci-0.2"; + method = "smc"; + }; + + soc: soc { + compatible = "simple-bus"; + interrupt-parent = <&gic>; + #address-cells = <2>; + #size-cells = <2>; + ranges; + + cpg: clock-controller@e6150000 { + compatible = "renesas,r8a77990-cpg-mssr"; + reg = <0 0xe6150000 0 0x1000>; + clocks = <&extal_clk>; + clock-names = "extal"; + #clock-cells = <2>; + #power-domain-cells = <0>; + #reset-cells = <1>; + }; + + rst: reset-controller@e6160000 { + compatible = "renesas,r8a77990-rst"; + reg = <0 0xe6160000 0 0x0200>; + }; + + sysc: system-controller@e6180000 { + compatible = "renesas,r8a77990-sysc"; + reg = <0 0xe6180000 0 0x0400>; + #power-domain-cells = <1>; + }; + + scif2: serial@e6e88000 { + compatible = "renesas,scif-r8a77990", + "renesas,rcar-gen3-scif", "renesas,scif"; + reg = <0 0xe6e88000 0 64>; + interrupts = <GIC_SPI 164 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&cpg CPG_MOD 310>; + clock-names = "fck"; + power-domains = <&sysc 32>; + resets = <&cpg 310>; + status = "disabled"; + }; + + gic: interrupt-controller@f1010000 { + compatible = "arm,gic-400"; + #interrupt-cells = <3>; + #address-cells = <0>; + interrupt-controller; + reg = <0x0 0xf1010000 0 0x1000>, + <0x0 0xf1020000 0 0x20000>, + <0x0 0xf1040000 0 0x20000>, + <0x0 0xf1060000 0 0x20000>; + interrupts = <GIC_PPI 9 + (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_HIGH)>; + clocks = <&cpg CPG_MOD 408>; + clock-names = "clk"; + power-domains = <&sysc 32>; + resets = <&cpg 408>; + }; + + prr: chipid@fff00044 { + compatible = "renesas,prr"; + reg = <0 0xfff00044 0 4>; + }; + }; + + timer { + compatible = "arm,armv8-timer"; + interrupts-extended = <&gic GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_LOW)>, + <&gic GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_LOW)>, + <&gic GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_LOW)>, + <&gic GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_LOW)>; + }; +}; |