Re: [PATCH] arm64: dts: qcom: sm8350-sagami: Rectify GPIO keys

From: Marijn Suijten
Date: Tue Dec 13 2022 - 04:07:27 EST


On 2022-12-10 14:38:50, Konrad Dybcio wrote:
> With enough pins set properly, the hardware buttons now also work
> like a charm.
>
> Fixes: c2721b0c23d9 ("arm64: dts: qcom: Add support for Xperia 1 III / 5 III")
> Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>

Tested-by: Marijn Suijten <marijn.suijten@xxxxxxxxxxxxxx> # On Xperia 5 III

However I also tested this on Xperia 1 III, and...

> ---
> .../qcom/sm8350-sony-xperia-sagami-pdx214.dts | 24 ++++++++++
> .../dts/qcom/sm8350-sony-xperia-sagami.dtsi | 47 ++++++++++++++++++-
> 2 files changed, 70 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/sm8350-sony-xperia-sagami-pdx214.dts b/arch/arm64/boot/dts/qcom/sm8350-sony-xperia-sagami-pdx214.dts
> index e6824c8c2774..6fa830bdc6bd 100644
> --- a/arch/arm64/boot/dts/qcom/sm8350-sony-xperia-sagami-pdx214.dts
> +++ b/arch/arm64/boot/dts/qcom/sm8350-sony-xperia-sagami-pdx214.dts
> @@ -10,6 +10,20 @@
> / {
> model = "Sony Xperia 5 III";
> compatible = "sony,pdx214-generic", "qcom,sm8350";
> +
> + gpio-keys {
> + pinctrl-names = "default";
> + pinctrl-0 = <&focus_n &snapshot_n &vol_down_n &g_assist_n>;
> +
> + key-google-assist {
> + label = "Google Assistant Key";
> + gpios = <&pm8350_gpios 9 GPIO_ACTIVE_LOW>;
> + linux,code = <KEY_LEFTMETA>;
> + debounce-interval = <15>;
> + linux,can-disable;
> + gpio-key,wakeup;
> + };
> + };

... please move this to board DTS. Xperia 1 III would also like to have
it mapped. Downstream DT indicates, and my local testing confirms, that
it is identical to Xperia 5 III (i.e. common to the Sagami board).

The other buttons work great on both devices!

> };
>
> &framebuffer {
> @@ -18,6 +32,16 @@ &framebuffer {
> stride = <(1080 * 4)>;
> };
>
> +&pm8350_gpios {
> + g_assist_n: g-assist-n-state {
> + pins = "gpio9";
> + function = "normal";
> + power-source = <1>;
> + bias-pull-up;
> + input-enable;
> + };
> +};
> +

(And this too, of course)

- Marijn

> &pm8350b_gpios {
> gpio-line-names = "NC", /* GPIO_1 */
> "NC",
> diff --git a/arch/arm64/boot/dts/qcom/sm8350-sony-xperia-sagami.dtsi b/arch/arm64/boot/dts/qcom/sm8350-sony-xperia-sagami.dtsi
> index d73e1f3fa501..557b4538a031 100644
> --- a/arch/arm64/boot/dts/qcom/sm8350-sony-xperia-sagami.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8350-sony-xperia-sagami.dtsi
> @@ -49,7 +49,26 @@ framebuffer: framebuffer@e1000000 {
> gpio-keys {
> compatible = "gpio-keys";
>
> - /* For reasons still unknown, GAssist key and Camera Focus/Shutter don't work.. */
> + pinctrl-names = "default";
> + pinctrl-0 = <&focus_n &snapshot_n &vol_down_n>;
> +
> + key-camera-focus {
> + label = "Camera Focus";
> + linux,code = <KEY_CAMERA_FOCUS>;
> + gpios = <&pm8350b_gpios 8 GPIO_ACTIVE_LOW>;
> + debounce-interval = <15>;
> + linux,can-disable;
> + gpio-key,wakeup;
> + };
> +
> + key-camera-snapshot {
> + label = "Camera Snapshot";
> + linux,code = <KEY_CAMERA>;
> + gpios = <&pm8350b_gpios 5 GPIO_ACTIVE_LOW>;
> + debounce-interval = <15>;
> + linux,can-disable;
> + gpio-key,wakeup;
> + };
>
> key-vol-down {
> label = "Volume Down";
> @@ -547,11 +566,37 @@ &pm8350_gpios {
> "PM8350_OPTION"; /* GPIO_10 */
> };
>
> +&pm8350b_gpios {
> + snapshot_n: snapshot-n-state {
> + pins = "gpio5";
> + function = "normal";
> + power-source = <0>;
> + bias-pull-up;
> + input-enable;
> + };
> +
> + focus_n: focus-n-state {
> + pins = "gpio8";
> + function = "normal";
> + power-source = <0>;
> + input-enable;
> + bias-pull-up;
> + };
> +};
> +
> &pmk8350_gpios {
> gpio-line-names = "NC", /* GPIO_1 */
> "NC",
> "VOL_DOWN_N",
> "PMK8350_OPTION";
> +
> + vol_down_n: vol-down-n-state {
> + pins = "gpio3";
> + function = "normal";
> + power-source = <0>;
> + bias-pull-up;
> + input-enable;
> + };
> };
>
> &pmk8350_rtc {
> --
> 2.38.1
>