From eb4cdda7a30b3f9894fd5a58e0201fa57861183f Mon Sep 17 00:00:00 2001 From: Lad Prabhakar Date: Sun, 3 May 2020 22:46:50 +0100 Subject: [PATCH] ARM: dts: r8a7742: Initial SoC device tree 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 Reviewed-by: Marian-Cristian Rotariu Link: https://lore.kernel.org/r/1588542414-14826-7-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven --- 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..3d3d95678496 --- /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 +#include +#include +#include + +/ { + 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>; + }; + + dmac0: dma-controller@e6700000 { + compatible = "renesas,dmac-r8a7742", + "renesas,rcar-dmac"; + reg = <0 0xe6700000 0 0x20000>; + interrupts = , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + ; + 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 = , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + ; + 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>; + }; + + scifa2: serial@e6c60000 { + compatible = "renesas,scifa-r8a7742", + "renesas,rcar-gen2-scifa", "renesas,scifa"; + reg = <0 0xe6c60000 0 0x40>; + interrupts = ; + 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 = ; + 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>; + }; + + 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 = ; + 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>; + }; +}; -- 2.34.1