[PATCH 7/8] arm64: dts: qcom: add IPQ5424 SoC and rdp466 board support

Sricharan Ramabadhran quic_srichara at quicinc.com
Mon Sep 16 23:28:29 PDT 2024



On 9/13/2024 6:22 PM, Dmitry Baryshkov wrote:
> On Fri, Sep 13, 2024 at 05:42:49PM GMT, Sricharan R wrote:
>> From: Sricharan Ramabadhran <quic_srichara at quicinc.com>
>>
>> Add initial device tree support for the Qualcomm IPQ5424 SoC and
>> rdp466 board.
>>
>> Signed-off-by: Sricharan Ramabadhran <quic_srichara at quicinc.com>
>> ---
>>   arch/arm64/boot/dts/qcom/Makefile           |   1 +
>>   arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts |  63 +++++
>>   arch/arm64/boot/dts/qcom/ipq5424.dtsi       | 294 ++++++++++++++++++++
>>   3 files changed, 358 insertions(+)
>>   create mode 100644 arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts
>>   create mode 100644 arch/arm64/boot/dts/qcom/ipq5424.dtsi
>>
>> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
>> index 197ab325c0b9..46c4eb758799 100644
>> --- a/arch/arm64/boot/dts/qcom/Makefile
>> +++ b/arch/arm64/boot/dts/qcom/Makefile
>> @@ -16,6 +16,7 @@ dtb-$(CONFIG_ARCH_QCOM)	+= ipq5332-rdp441.dtb
>>   dtb-$(CONFIG_ARCH_QCOM)	+= ipq5332-rdp442.dtb
>>   dtb-$(CONFIG_ARCH_QCOM)	+= ipq5332-rdp468.dtb
>>   dtb-$(CONFIG_ARCH_QCOM)	+= ipq5332-rdp474.dtb
>> +dtb-$(CONFIG_ARCH_QCOM)	+= ipq5424-rdp466.dtb
>>   dtb-$(CONFIG_ARCH_QCOM)	+= ipq6018-cp01-c1.dtb
>>   dtb-$(CONFIG_ARCH_QCOM)	+= ipq8074-hk01.dtb
>>   dtb-$(CONFIG_ARCH_QCOM)	+= ipq8074-hk10-c1.dtb
>> diff --git a/arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts b/arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts
>> new file mode 100644
>> index 000000000000..c8597a9ba175
>> --- /dev/null
>> +++ b/arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts
>> @@ -0,0 +1,63 @@
>> +// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
>> +/*
>> + * IPQ5018 MP03.1-C2 board device tree source
>> + *
>> + * Copyright (c) 2023 The Linux Foundation. All rights reserved.
>> + */
>> +
>> +/dts-v1/;
>> +
>> +#include "ipq5424.dtsi"
>> +
>> +/ {
>> +	model = "Qualcomm Technologies, Inc. IPQ5424 RDP466";
>> +	compatible = "qcom,ipq5424-rdp466", "qcom,ipq5424";
>> +
>> +	aliases {
>> +		serial0 = &uart1;
>> +	};
>> +
>> +	chosen	{
>> +		stdout-path = "serial0:115200n8";
>> +	};
> 
> Drop
> 
ok
>> +};
>> +
>> +&tlmm {
>> +	sdc_default_state: sdc-default-state {
>> +		clk-pins {
>> +			pins = "gpio5";
>> +			function = "sdc_clk";
>> +			drive-strength = <8>;
>> +			bias-disable;
>> +		};
>> +
>> +		cmd-pins {
>> +			pins = "gpio4";
>> +			function = "sdc_cmd";
>> +			drive-strength = <8>;
>> +			bias-pull-up;
>> +		};
>> +
>> +		data-pins {
>> +			pins = "gpio0", "gpio1", "gpio2", "gpio3";
>> +			function = "sdc_data";
>> +			drive-strength = <8>;
>> +			bias-pull-up;
>> +		};
>> +	};
>> +};
>> +
>> +&uart1 {
>> +	pinctrl-0 = <&uart1_pins>;
>> +	pinctrl-names = "default";
>> +	status = "okay";
>> +};
>> +
>> +&sleep_clk {
> 
> sleep comes between tlmm and uart1
> 
ok
>> +	clock-frequency = <32000>;
>> +};
>> +
>> +&xo_board {
>> +	clock-frequency = <24000000>;
>> +};
>> +
>> diff --git a/arch/arm64/boot/dts/qcom/ipq5424.dtsi b/arch/arm64/boot/dts/qcom/ipq5424.dtsi
>> new file mode 100644
>> index 000000000000..b6c08fac9482
>> --- /dev/null
>> +++ b/arch/arm64/boot/dts/qcom/ipq5424.dtsi
>> @@ -0,0 +1,294 @@
>> +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
>> +/*
>> + * IPQ5424 device tree source
>> + *
>> + * Copyright (c) 2020-2021 The Linux Foundation. All rights reserved.
>> + * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved.
>> + */
>> +
>> +#include <dt-bindings/interrupt-controller/arm-gic.h>
>> +#include <dt-bindings/clock/qcom,ipq5424-gcc.h>
>> +#include <dt-bindings/reset/qcom,ipq5424-gcc.h>
>> +#include <dt-bindings/gpio/gpio.h>
>> +
>> +/ {
>> +	#address-cells = <2>;
>> +	#size-cells = <2>;
>> +	interrupt-parent = <&intc>;
>> +
>> +	clocks {
>> +		xo_board: xo-board-clk {
>> +			compatible = "fixed-clock";
>> +			#clock-cells = <0>;
>> +		};
>> +
>> +		sleep_clk: sleep-clk {
>> +			compatible = "fixed-clock";
>> +			#clock-cells = <0>;
>> +		};
> 
> I think Krzysztof lately suggested moving these clocks to board DT
> files.
> 
ok will move
>> +	};
>> +
>> +	cpus: cpus {
>> +		#address-cells = <1>;
>> +		#size-cells = <0>;
>> +
>> +		CPU0: cpu at 0 {
>> +			device_type = "cpu";
>> +			compatible = "arm,cortex-a55";
>> +			reg = <0x0>;
>> +			enable-method = "psci";
>> +			next-level-cache = <&L2_0>;
>> +			L2_0: l2-cache {
> 
> lowercase all labels
> 
ok
>> +				compatible = "cache";
>> +				cache-level = <2>;
>> +				cache-unified;
>> +				next-level-cache = <&L3_0>;
> 
> empty line (here and afterwards, before new subnodes.
> 
ok will add
>> +				L3_0: l3-cache {
>> +					compatible = "cache";
>> +					cache-level = <3>;
>> +					cache-unified;
>> +				};
>> +			};
>> +		};
>> +
>> +		CPU1: cpu at 100 {
>> +			device_type = "cpu";
>> +			compatible = "arm,cortex-a55";
>> +			enable-method = "psci";
>> +			reg = <0x100>;
>> +			next-level-cache = <&L2_100>;
>> +			L2_100: l2-cache {
>> +				compatible = "cache";
>> +				cache-level = <2>;
>> +				cache-unified;
>> +				next-level-cache = <&L3_0>;
>> +			};
>> +		};
>> +
>> +		CPU2: cpu at 200 {
>> +			device_type = "cpu";
>> +			compatible = "arm,cortex-a55";
>> +			enable-method = "psci";
>> +			reg = <0x200>;
>> +			next-level-cache = <&L2_200>;
>> +			L2_200: l2-cache {
>> +				compatible = "cache";
>> +				cache-level = <2>;
>> +				cache-unified;
>> +				next-level-cache = <&L3_0>;
>> +			};
>> +		};
>> +
>> +		CPU3: cpu at 300 {
>> +			device_type = "cpu";
>> +			compatible = "arm,cortex-a55";
>> +			enable-method = "psci";
>> +			reg = <0x300>;
>> +			next-level-cache = <&L2_300>;
>> +			L2_300: l2-cache {
>> +				compatible = "cache";
>> +				cache-level = <2>;
>> +				cache-unified;
>> +				next-level-cache = <&L3_0>;
>> +			};
>> +		};
>> +	};
>> +
>> +	memory at 80000000 {
>> +		device_type = "memory";
>> +		/* We expect the bootloader to fill in the size */
>> +		reg = <0x0 0x80000000 0x0 0x0>;
>> +	};
>> +
>> +	pmu {
>> +		compatible = "arm,cortex-a55-pmu";
>> +		interrupts = <GIC_PPI 7 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
> 
> I don't think you need CPU_MASK for GICv3 hosts.
> 
ok
>> +	};
>> +
>> +	pmu-v7 {
>> +		compatible = "arm,cortex-a7-pmu";
>> +		interrupts = <GIC_PPI 7 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
>> +	};
>> +
>> +	dsu-pmu {
>> +		compatible = "arm,dsu-pmu";
>> +		interrupts = <GIC_SPI 50 IRQ_TYPE_EDGE_RISING>;
>> +		cpus = <&CPU0>, <&CPU1>, <&CPU2>, <&CPU3>;
>> +		status = "okay";
>> +	};
>> +
>> +	psci {
>> +		compatible = "arm,psci-1.0";
>> +		method = "smc";
>> +	};
>> +
>> +	reserved-memory {
>> +		#address-cells = <2>;
>> +		#size-cells = <2>;
>> +		ranges;
>> +
>> +		tz at 8a600000 {
>> +			reg = <0x0 0x8a600000 0x0 0x200000>;
>> +			no-map;
>> +		};
>> +	};
>> +
>> +	soc at 0 {
>> +		compatible = "simple-bus";
>> +		#address-cells = <2>;
>> +		#size-cells = <2>;
>> +		ranges = <0 0 0 0 0x10 0>;
>> +
>> +		tlmm: pinctrl at 1000000 {
>> +			compatible = "qcom,ipq5424-tlmm";
>> +			reg = <0 0x01000000 0 0x300000>;
>> +			interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>;
>> +			gpio-controller;
>> +			#gpio-cells = <2>;
>> +			gpio-ranges = <&tlmm 0 0 50>;
>> +			interrupt-controller;
>> +			#interrupt-cells = <2>;
>> +
>> +			uart1_pins: uart1-state {
>> +				pins = "gpio43", "gpio44";
>> +				function = "uart1";
>> +				drive-strength = <8>;
>> +				bias-pull-up;
>> +			};
>> +		};
>> +
>> +		gcc: clock-controller at 1800000 {
>> +			compatible = "qcom,ipq5424-gcc";
>> +			reg = <0 0x01800000 0 0x40000>;
>> +			clocks = <&xo_board>,
>> +				 <&sleep_clk>,
>> +				 <0>,
>> +				 <0>,
>> +				 <0>;
>> +			#clock-cells = <1>;
>> +			#reset-cells = <1>;
>> +			#interconnect-cells = <1>;
>> +		};
>> +
>> +		qupv3: geniqup at 1ac0000 {
>> +			compatible = "qcom,geni-se-qup";
>> +			reg = <0 0x01ac0000 0 0x2000>;
>> +			clocks = <&gcc GCC_QUPV3_AHB_MST_CLK>,
>> +				 <&gcc GCC_QUPV3_AHB_SLV_CLK>;
>> +			clock-names = "m-ahb", "s-ahb";
>> +			ranges;
>> +			#address-cells = <2>;
>> +			#size-cells = <2>;
>> +
>> +			status = "okay";
>> +
>> +			uart1: serial at 1a84000 {
>> +				compatible = "qcom,geni-debug-uart";
>> +				reg = <0 0x01a84000 0 0x4000>;
>> +				clocks = <&gcc GCC_QUPV3_UART1_CLK>;
>> +				clock-names = "se";
>> +				interrupts = <GIC_SPI 340 IRQ_TYPE_LEVEL_HIGH>;
>> +				status = "okay";
>> +			};
>> +		};
>> +
>> +		intc: interrupt-controller at f200000 {
>> +			compatible = "arm,gic-v3";
>> +			reg = <0 0xf200000 0 0x10000>, /* GICD */
>> +			      <0 0xf240000 0 0x80000>; /* GICR * 4 regions */
>> +			#interrupt-cells = <0x3>;
>> +			interrupt-controller;
>> +			#redistributor-regions = <1>;
>> +			redistributor-stride = <0x0 0x20000>;
>> +			interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
>> +			mbi-ranges = <672 128>;
>> +			msi-controller;
> 
> No ITS?
  ITS/LPI is not supported.
> 
>> +		};
>> +
>> +		sdhc: mmc at 7804000 {
>> +			compatible = "qcom,ipq5424-sdhci", "qcom,sdhci-msm-v5";
>> +			reg = <0 0x07804000 0 0x1000>, <0 0x07805000 0 0x1000>;
> 
> Please sort all nodes following the device addresses.
> 
ok

Regards,
  Sricharan



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