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SubjectRe: [PATCH v4 5/6] arm64: dts: qcom: Add Square apq8039-t2 board
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On 23/01/2023 16:29, Krzysztof Kozlowski wrote:
> On 23/01/2023 03:31, Bryan O'Donoghue wrote:
>> The apq8039-t2 is an apq8039 based board paired with a wcn3680b WiFi
>> chipset.
>>
>> Co-developed-by: Shawn Guo <shawn.guo@linaro.org>
>> Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
>> Co-developed-by: Jun Nie <jun.nie@linaro.org>
>> Signed-off-by: Jun Nie <jun.nie@linaro.org>
>> Co-developed-by: Benjamin Li <benl@squareup.com>
>> Signed-off-by: Benjamin Li <benl@squareup.com>
>> Co-developed-by: James Willcox <jwillcox@squareup.com>
>> Signed-off-by: James Willcox <jwillcox@squareup.com>
>> Co-developed-by: Leo Yan <leo.yan@linaro.org>
>> Signed-off-by: Leo Yan <leo.yan@linaro.org>
>> Co-developed-by: Joseph Gates <jgates@squareup.com>
>> Signed-off-by: Joseph Gates <jgates@squareup.com>
>> Co-developed-by: Max Chen <mchen@squareup.com>
>> Signed-off-by: Max Chen <mchen@squareup.com>
>> Co-developed-by: Zac Crosby <zac@squareup.com>
>> Signed-off-by: Zac Crosby <zac@squareup.com>
>> Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
>> ---
>> arch/arm64/boot/dts/qcom/Makefile | 1 +
>> arch/arm64/boot/dts/qcom/apq8039-t2.dts | 545 ++++++++++++++++++++++++
>> 2 files changed, 546 insertions(+)
>> create mode 100644 arch/arm64/boot/dts/qcom/apq8039-t2.dts
>>
>> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
>> index b0423ca3e79fd..73ff8d3213d99 100644
>> --- a/arch/arm64/boot/dts/qcom/Makefile
>> +++ b/arch/arm64/boot/dts/qcom/Makefile
>> @@ -1,5 +1,6 @@
>> # SPDX-License-Identifier: GPL-2.0
>> dtb-$(CONFIG_ARCH_QCOM) += apq8016-sbc.dtb
>> +dtb-$(CONFIG_ARCH_QCOM) += apq8039-t2.dtb
>> dtb-$(CONFIG_ARCH_QCOM) += apq8094-sony-xperia-kitakami-karin_windy.dtb
>> dtb-$(CONFIG_ARCH_QCOM) += apq8096-db820c.dtb
>> dtb-$(CONFIG_ARCH_QCOM) += apq8096-ifc6640.dtb
>> diff --git a/arch/arm64/boot/dts/qcom/apq8039-t2.dts b/arch/arm64/boot/dts/qcom/apq8039-t2.dts
>> new file mode 100644
>> index 0000000000000..734b4d6054132
>> --- /dev/null
>> +++ b/arch/arm64/boot/dts/qcom/apq8039-t2.dts
>> @@ -0,0 +1,545 @@
>> +// SPDX-License-Identifier: GPL-2.0
>> +/*
>> + * Copyright (c) 2015, The Linux Foundation. All rights reserved.
>> + * Copyright (c) 2020-2023, Linaro Ltd.
>> + *
>> + */
>> +
>> +/dts-v1/;
>> +
>> +#include "msm8939.dtsi"
>> +#include "msm8939-pm8916.dtsi"
>> +#include <dt-bindings/arm/qcom,ids.h>
>> +#include <dt-bindings/gpio/gpio.h>
>> +#include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
>> +#include <dt-bindings/sound/apq8016-lpass.h>
>> +
>> +/ {
>> + model = "Square, Inc. T2 Devkit";
>> + compatible = "square,apq8039-t2", "qcom,msm8939";
>
> There is no square vendor prefix.

commit d3e2262cd0d1105bb3a71012693876d01e8de203
Author: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Date: Tue Jan 17 02:48:39 2023 +0000

dt-bindings: arm: qcom: Document MSM8939 SoC binding

+ - items:
+ - enum:
+ - sony,kanuti-tulip
+ - square,apq8039-t2
+ - const: qcom,msm8939


>> +
>> + qcom,board-id = <0x53 0x54>;
>> + qcom,msm-id = <QCOM_ID_MSM8939 0>, <QCOM_ID_MSM8939 0x30000>, <QCOM_ID_APQ8039 0x30000>;
>> +

>> +
>> + lcd_avdd_reg: lcd-avdd-regulator {
>
> Since we try to have nodes ordered, how about naming them
> "regulator-xxx", so whatever is added later will not spread them all over?

Point taken.

vreg_ looks like a more common prefix

arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts:
vreg_edp_3p3: regulator-edp-3p3 {
vreg_edp_bl: regulator-edp-bl {
vreg_misc_3p3: regulator-misc-3p3 {
vreg_nvme: regulator-nvme {
vreg_vph_pwr: regulator-vph-pwr {
vreg_wlan: regulator-wlan {
vreg_wwan: regulator-wwan {

>> + status = "okay";
>> +
>> + typec: tps6598x@38 {
>
> Node names should be generic.
> https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation

None of those fit really

typec_pd is upstream for the same IC, I'll reuse that.

arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi

---
bod

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