Re: [PATCH v2 4/6] arm64: dts: qcom: sc8280xp: Add reference device

From: Konrad Dybcio
Date: Wed Jun 22 2022 - 10:36:46 EST




On 22.06.2022 15:43, Johan Hovold wrote:
> On Wed, Jun 22, 2022 at 02:33:02PM +0200, Konrad Dybcio wrote:
>> On 22.06.2022 06:12, Bjorn Andersson wrote:
>
>>> +&qup2_i2c5 {
>>> + clock-frequency = <400000>;
>>> +
>>> + pinctrl-names = "default";
>>> + pinctrl-0 = <&qup2_i2c5_default>, <&kybd_default>, <&tpad_default>;
>>> +
>>> + status = "okay";
>>> +
>> I think all device DTs generally have 'status = "okay"' at the beginning. Should we change that?
>>
>
> No, quite the opposite, status go at the end.
Then all other device DTs should be updated, as in dts/qcom/
everybody keeps it first in non-SoC/PMIC files.

Konrad
>
> (And please break your lines at 72 cols or so).
>
>>> +
>>> +/* PINCTRL - additions to nodes defined in sc8280xp.dtsi */
>> This comment seems redundant.
>
> Nope, it's a marker that explains why the pinctrl nodes are seemingly
> out of sort order. We've decided to group them all at the end.
>
> But sure "- additions to nodes defined in sc8280xp.dtsi" could be moved
> since we also have PMIC pinctrl nodes here (as I just did for the x13s
> dts).
>
>>
>>> +
>>> +&pmc8280_1_gpios {
>>> + edp_bl_en: edp-bl-en-state {
>>> + pins = "gpio8";
>>> + function = "normal";
>>> + };
>>> +
>>> + edp_bl_reg_en: edp-bl-reg-en-state {
>>> + pins = "gpio9";
>>> + function = "normal";
>>> + };
>>> +
>>> + misc_3p3_reg_en: misc-3p3-reg-en-state {
>>> + pins = "gpio1";
>>> + function = "normal";
>>> + };
>>> +};
>
>>> + tpad_default: tpad-default-state {
>>> + int-n {
>> If you aren't gonna add more pins to this touchpad block, I think you could drop this extra level.
>
> You'd just lose information (what the pin is used for) with no real
> gain.
>
>>> + pins = "gpio182";
>>> + function = "gpio";
>>> + bias-disable;
>>> + };
>>> + };
>
> Johan