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SubjectRe: [PATCH V2 7/8] arm64: dts: Add ipq5018 SoC and MP03 board support
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On 6/22/2022 8:48 PM, Krzysztof Kozlowski wrote:
> On 21/06/2022 18:11, Sricharan R wrote:
>> From: Varadarajan Narayanan <quic_varada@quicinc.com>
>>
>> Add initial device tree support for the Qualcomm IPQ5018 SoC and
>> MP03.1-C2 board.
>>
>> Co-developed-by: Sricharan R <quic_srichara@quicinc.com>
>> Signed-off-by: Sricharan R <quic_srichara@quicinc.com>
>> Signed-off-by: Varadarajan Narayanan <quic_varada@quicinc.com>
> Chain needs fixes.

 ok.


>> ---
>> arch/arm64/boot/dts/qcom/Makefile | 1 +
>> .../arm64/boot/dts/qcom/ipq5018-mp03.1-c2.dts | 29 +++
>> arch/arm64/boot/dts/qcom/ipq5018.dtsi | 221 ++++++++++++++++++
>> 3 files changed, 251 insertions(+)
>> create mode 100644 arch/arm64/boot/dts/qcom/ipq5018-mp03.1-c2.dts
>> create mode 100644 arch/arm64/boot/dts/qcom/ipq5018.dtsi
>>
>> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
>> index f9e6343acd03..c44e701f093c 100644
>> --- a/arch/arm64/boot/dts/qcom/Makefile
>> +++ b/arch/arm64/boot/dts/qcom/Makefile
>> @@ -10,6 +10,7 @@ dtb-$(CONFIG_ARCH_QCOM) += ipq8074-hk10-c2.dtb
>> dtb-$(CONFIG_ARCH_QCOM) += msm8916-alcatel-idol347.dtb
>> dtb-$(CONFIG_ARCH_QCOM) += msm8916-asus-z00l.dtb
>> dtb-$(CONFIG_ARCH_QCOM) += msm8916-huawei-g7.dtb
>> +dtb-$(CONFIG_ARCH_QCOM) += ipq5018-mp03.1-c2.dtb
> This does not look like in proper order.

  ok, will fix.

>> dtb-$(CONFIG_ARCH_QCOM) += msm8916-longcheer-l8150.dtb
>> dtb-$(CONFIG_ARCH_QCOM) += msm8916-longcheer-l8910.dtb
>> dtb-$(CONFIG_ARCH_QCOM) += msm8916-mtp.dtb
>> diff --git a/arch/arm64/boot/dts/qcom/ipq5018-mp03.1-c2.dts b/arch/arm64/boot/dts/qcom/ipq5018-mp03.1-c2.dts
>> new file mode 100644
>> index 000000000000..d1cd080ec3db
>> --- /dev/null
>> +++ b/arch/arm64/boot/dts/qcom/ipq5018-mp03.1-c2.dts
>> @@ -0,0 +1,29 @@
>> +// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
>> +/*
>> + * IPQ5018 CP01 board device tree source
>> + *
>> + * Copyright (c) 2020-2021, The Linux Foundation. All rights reserved.
>> + */
>> +
>> +/dts-v1/;
>> +
>> +#include "ipq5018.dtsi"
>> +
>> +/ {
>> + model = "Qualcomm Technologies, Inc. IPQ5018/AP-MP03-C2";
>> + compatible = "qcom,ipq5018-mp03", "qcom,ipq5018";
>> +
>> + aliases {
>> + serial0 = &blsp1_uart1;
>> + };
>> +
>> + chosen {
>> + stdout-path = "serial0:115200n8";
>> + };
>> +};
>> +
>> +&blsp1_uart1 {
>> + pinctrl-0 = <&serial_1_pins>;
>> + pinctrl-names = "default";
>> + status = "ok";
> "okay" is preferred.

  ok.


>> +};
>> diff --git a/arch/arm64/boot/dts/qcom/ipq5018.dtsi b/arch/arm64/boot/dts/qcom/ipq5018.dtsi
>> new file mode 100644
>> index 000000000000..084fb7b30dfd
>> --- /dev/null
>> +++ b/arch/arm64/boot/dts/qcom/ipq5018.dtsi
>> @@ -0,0 +1,221 @@
>> +// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
>> +/*
>> + * Copyright (c) 2017-2021, The Linux Foundation. All rights reserved.
>> + */
>> +/*
>> + * IPQ5018 SoC device tree source
>> + *
>> + * Copyright (c) 2019, The Linux Foundation. All rights reserved.
> Combine these two comments.

  ok.


>> + */
>> +
>> +#include <dt-bindings/interrupt-controller/arm-gic.h>
>> +#include <dt-bindings/clock/qcom,gcc-ipq5018.h>
>> +#include <dt-bindings/reset/qcom,gcc-ipq5018.h>
>> +
>> +/ {
>> + #address-cells = <2>;
>> + #size-cells = <2>;
>> + interrupt-parent = <&intc>;
>> +
>> + sleep_clk: sleep-clk {
>> + compatible = "fixed-clock";
>> + clock-frequency = <32000>;
>> + #clock-cells = <0>;
>> + };
>> +
>> + xo: xo {
> Node name: xo-clk

 ok.


>> + compatible = "fixed-clock";
>> + clock-frequency = <24000000>;
> The clock is provided by board, so at least frequency should be defined
> there.

  ok, will move to board file. Somehow all other boards are defining it
in soc dts itself, so
  followed it.

>> + #clock-cells = <0>;
>> + };
>> +
>> + gen2clk0: gen2clk0 {
> Keep consistent prefixes, so gen2-clk or gen2-0-clk

 ok, will fix.


>> + compatible = "fixed-clock";
>> + #clock-cells = <0>;
>> + clock-frequency = <125000000>;
>> + clock-output-names = "pcie20_phy0_pipe_clk";
>> + };
>> +
>> + gen2clk1: gen2clk1 {
> gen2-1-clk

 ok, will fix.

Regards,
  Sricharan

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