Initial support for SM6125 SoC. CPUs, fixed clocks, interrupt controller, and UART.
This DTSI is ported from the forked vendor version from XiaoMi which can be found at [0]. It seems internally this board is referred to as "Trinket". Since GCC isn't upstreamed yet, we use dummy clocks for GENI. [0]: https://github.com/MiCode/Xiaomi_Kernel_OpenSource/blob/willow-p-oss/arch/arm64/boot/dts/qcom/trinket.dtsi Signed-off-by: Eli Riggs <e...@rje.li> --- arch/arm64/boot/dts/qcom/sm6125.dtsi | 201 +++++++++++++++++++++++++++ 1 file changed, 201 insertions(+) create mode 100644 arch/arm64/boot/dts/qcom/sm6125.dtsi diff --git a/arch/arm64/boot/dts/qcom/sm6125.dtsi b/arch/arm64/boot/dts/qcom/sm6125.dtsi new file mode 100644 index 0000000000000..4931402d20c9d --- /dev/null +++ b/arch/arm64/boot/dts/qcom/sm6125.dtsi @@ -0,0 +1,201 @@ +// SPDX-License-Identifier: GPL-2.0-only +// Copyright (c) 2018-2019, The Linux Foundation. All rights reserved. +// Copyright (C) 2019 XiaoMi, Inc. +// Copyright (C) 2020 Eli Riggs <e...@rje.li> + +#include <dt-bindings/interrupt-controller/arm-gic.h> + +/ { + interrupt-parent = <&intc>; + + #address-cells = <2>; + #size-cells = <2>; + + chosen { }; + + clocks { + xo_board: xo-board { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <19200000>; + clock-output-names = "xo_board"; + }; + sleep-clk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <32000>; + clock-output-names = "sleep_clk"; + }; + }; + + cpus { + #address-cells = <2>; + #size-cells = <0>; + CPU0: cpu@100 { + device_type = "cpu"; + compatible = "qcom,kryo260"; + reg = <0x0 0x100>; + enable-method = "psci"; + capacity-dmips-mhz = <1638>; + d-cache-size = <0x10000>; + i-cache-size = <0x10000>; + }; + CPU1: cpu@101 { + device_type = "cpu"; + compatible = "qcom,kryo260"; + reg = <0x0 0x101>; + enable-method = "psci"; + capacity-dmips-mhz = <1638>; + d-cache-size = <0x10000>; + i-cache-size = <0x10000>; + }; + CPU2: cpu@102 { + device_type = "cpu"; + compatible = "qcom,kryo260"; + reg = <0x0 0x102>; + enable-method = "psci"; + capacity-dmips-mhz = <1638>; + d-cache-size = <0x10000>; + i-cache-size = <0x10000>; + }; + CPU3: cpu@103 { + device_type = "cpu"; + compatible = "qcom,kryo260"; + reg = <0x0 0x103>; + enable-method = "psci"; + capacity-dmips-mhz = <1638>; + d-cache-size = <0x10000>; + i-cache-size = <0x10000>; + }; + CPU4: cpu@0 { + device_type = "cpu"; + compatible = "qcom,kryo260"; + reg = <0x0 0x0>; + enable-method = "psci"; + capacity-dmips-mhz = <1024>; + d-cache-size = <0x8000>; + i-cache-size = <0x8000>; + }; + CPU5: cpu@1 { + device_type = "cpu"; + compatible = "qcom,kryo260"; + reg = <0x0 0x1>; + enable-method = "psci"; + capacity-dmips-mhz = <1024>; + d-cache-size = <0x8000>; + i-cache-size = <0x8000>; + }; + CPU6: cpu@2 { + device_type = "cpu"; + compatible = "qcom,kryo260"; + reg = <0x0 0x2>; + enable-method = "psci"; + capacity-dmips-mhz = <1024>; + d-cache-size = <0x8000>; + i-cache-size = <0x8000>; + }; + CPU7: cpu@3 { + device_type = "cpu"; + compatible = "qcom,kryo260"; + reg = <0x0 0x3>; + enable-method = "psci"; + capacity-dmips-mhz = <1024>; + d-cache-size = <0x8000>; + i-cache-size = <0x8000>; + }; + cpu-map { + cluster0 { + core0 { + cpu = <&CPU4>; + }; + core1 { + cpu = <&CPU5>; + }; + core2 { + cpu = <&CPU6>; + }; + core3 { + cpu = <&CPU7>; + }; + }; + cluster1 { + core0 { + cpu = <&CPU0>; + }; + core1 { + cpu = <&CPU1>; + }; + core2 { + cpu = <&CPU2>; + }; + core3 { + cpu = <&CPU3>; + }; + }; + }; + }; + + memory { + device_type = "memory"; + /* We expect the bootloader to fill this in */ + reg = <0 0 0 0>; + }; + + psci { + compatible = "arm,psci-1.0"; + method = "smc"; + }; + + timer { + compatible = "arm,armv8-timer"; + interrupts = <GIC_PPI 1 IRQ_TYPE_LEVEL_LOW>, + <GIC_PPI 2 IRQ_TYPE_LEVEL_LOW>, + <GIC_PPI 3 IRQ_TYPE_LEVEL_LOW>, + <GIC_PPI 0 IRQ_TYPE_LEVEL_LOW>; + clock-frequency = <19200000>; + }; + + soc: soc { + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0 0 0xffffffff>; + compatible = "simple-bus"; + + intc: interrupt-controller@f200000 { + compatible = "arm,gic-v3"; + reg = <0xf200000 0x10000>, /* GICD */ + <0xf300000 0x100000>; /* GICR * 8 */ + #interrupt-cells = <3>; + #address-cells = <1>; + #size-cells = <1>; + ranges; + interrupt-controller; + #redistributor-regions = <1>; + redistributor-stride = <0x0 0x20000>; + interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>; + }; + + /* This GENI and its children actually use GCC clocks, + * but the bootloader has already set them up for us. + * xo_board is used as a dummy here so the driver doesn't + * give up. + */ + qupv3_0: geniqup@4ac0000 { + compatible = "qcom,geni-se-qup"; + reg = <0x4ac0000 0x2000>; + clock-names = "m-ahb", "s-ahb"; + clocks = <&xo_board>, <&xo_board>; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + qupv3_se4_2uart: serial@4a90000 { + compatible = "qcom,geni-debug-uart"; + reg = <0x4a90000 0x4000>; + interrupts = <GIC_SPI 331 IRQ_TYPE_LEVEL_HIGH>; + clock-names = "se"; + clocks = <&xo_board>; + }; + }; + }; +}; -- 2.20.1
