Re: [PATCH v3 9/9] arm64: dts: qcom: sm4250: Add support for oneplus-billie2

Krzysztof Kozlowski
2022-09-15T14:40:42Z

On 13/09/2022 22:30, Bjorn Andersson wrote:
> On Sat, Sep 10, 2022 at 05:32:13PM +0300, Iskren Chernev wrote:
>> Add initial support for OnePlus Nord N100, based on SM4250. Currently
>> working:
>> - boots
>> - usb
>> - buildin flash storage (UFS)
>> - SD card reader
>>
>> Signed-off-by: Iskren Chernev <iskren.chernev@gmail.com>
>> ---
>> arch/arm64/boot/dts/qcom/Makefile | 1 +
>> .../boot/dts/qcom/sm4250-oneplus-billie2.dts | 241 ++++++++++++++++++
>> 2 files changed, 242 insertions(+)
>> create mode 100644 arch/arm64/boot/dts/qcom/sm4250-oneplus-billie2.dts
>>
>> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
>> index f4126f7e7640..5d2570b600e0 100644
>> --- a/arch/arm64/boot/dts/qcom/Makefile
>> +++ b/arch/arm64/boot/dts/qcom/Makefile
>> @@ -137,6 +137,7 @@ dtb-$(CONFIG_ARCH_QCOM) += sdm845-xiaomi-polaris.dtb
>> dtb-$(CONFIG_ARCH_QCOM) += sdm845-shift-axolotl.dtb
>> dtb-$(CONFIG_ARCH_QCOM) += sdm850-lenovo-yoga-c630.dtb
>> dtb-$(CONFIG_ARCH_QCOM) += sdm850-samsung-w737.dtb
>> +dtb-$(CONFIG_ARCH_QCOM) += sm4250-oneplus-billie2.dtb
>> dtb-$(CONFIG_ARCH_QCOM) += sm6125-sony-xperia-seine-pdx201.dtb
>> dtb-$(CONFIG_ARCH_QCOM) += sm6350-sony-xperia-lena-pdx213.dtb
>> dtb-$(CONFIG_ARCH_QCOM) += sm7225-fairphone-fp4.dtb
>> diff --git a/arch/arm64/boot/dts/qcom/sm4250-oneplus-billie2.dts b/arch/arm64/boot/dts/qcom/sm4250-oneplus-billie2.dts
>> new file mode 100644
>> index 000000000000..b9094f1efca0
>> --- /dev/null
>> +++ b/arch/arm64/boot/dts/qcom/sm4250-oneplus-billie2.dts
>> @@ -0,0 +1,241 @@
>> +// SPDX-License-Identifier: GPL-2.0-only
>
> Would it be possible for you to dual license this?
>
>> +/*
>> + * Copyright (c) 2021, Iskren Chernev <iskren.chernev@gmail.com>
>> + */
>> +
>> +/dts-v1/;
>> +
>> +#include "sm4250.dtsi"
>> +
>> +/ {
>> + model = "OnePlus Nord N100";
>> + compatible = "oneplus,billie2", "qcom,sm4250";
>> +
>> + /* required for bootloader to select correct board */
>> + qcom,msm-id = <0x1a1 0x10000 0x1bc 0x10000>;
>> + qcom,board-id = <0x1000b 0x00>;
>> +
>> + aliases {
>> + };
>> +
>> + chosen {
>> + #address-cells = <2>;
>> + #size-cells = <2>;
>> + ranges;
>> +
>> + stdout-path = "framebuffer0";
>> +
>> + framebuffer0: framebuffer@9d400000 {
>> + compatible = "simple-framebuffer";
>> + reg = <0 0x5c000000 0 (1600 * 720 * 4)>;
>> + width = <720>;
>> + height = <1600>;
>> + stride = <(720 * 4)>;
>> + format = "a8r8g8b8";
>> + };
>> + };
>> +};
>> +
>> +&xo_board {
>> + clock-frequency = <19200000>;
>> +};
>> +
>> +&sleep_clk {
>> + clock-frequency = <32764>;
>> +};
>> +
>> +&reserved_memory {
>
> As the number of nodes grow it would be nice if these were sorted
> alphabetically.
>
>> + bootloader_log_mem: memory@5fff7000 {
>> + reg = <0x00 0x5fff7000 0x00 0x8000>;
>> + no-map;
>> + };
>> +
>> + ramoops@cbe00000 {
>> + compatible = "ramoops";
>> + reg = <0x0 0xcbe00000 0x0 0x400000>;
>> + record-size = <0x40000>;
>> + pmsg-size = <0x200000>;
>> + console-size = <0x40000>;
>> + ftrace-size = <0x40000>;
>> + };
>> +
>> + param_mem: memory@cc200000 {
>> + reg = <0x00 0xcc200000 0x00 0x100000>;
>> + no-map;
>> + };
>> +
>> + mtp_mem: memory@cc300000 {
>> + reg = <0x00 0xcc300000 0x00 0xb00000>;
>> + no-map;
>> + };
>> +};
>> +
>> +&usb3 {
>> + status = "okay";
>> +};
> [..]
>> +&rpm_requests {
>> + regulators-0 {
>
> Is there a reason why you don't call this node pm6125-regulators ?

It's the follow up of:
https://lore.kernel.org/all/20220901093243.134288-1-krzysztof.kozlowski@linaro.org/

Node names should be rather generic, so just regulators.

Best regards,
Krzysztof