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

Sricharan Ramabadhran
2024-09-17T06:29:02Z

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@quicinc.com>
>>
>> Add initial device tree support for the Qualcomm IPQ5424 SoC and
>> rdp466 board.
>>
>> Signed-off-by: Sricharan Ramabadhran <quic_srichara@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@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@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@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@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@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@8a600000 {
>> + reg = <0x0 0x8a600000 0x0 0x200000>;
>> + no-map;
>> + };
>> + };
>> +
>> + soc@0 {
>> + compatible = "simple-bus";
>> + #address-cells = <2>;
>> + #size-cells = <2>;
>> + ranges = <0 0 0 0 0x10 0>;
>> +
>> + tlmm: pinctrl@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@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@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@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@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@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