On 8.05.2023 02:33, Dmitry Baryshkov wrote:
> Add device nodes for resin (reset, volume-down) and gpio-keys
> (volume-up, general key) device nodes.
>
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> ---
> .../arm/boot/dts/qcom-apq8074-dragonboard.dts | 41 +++++++++++++++++++
> 1 file changed, 41 insertions(+)
>
> diff --git a/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts b/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts
> index 72f7e09a5bbf..2017bdf81677 100644
> --- a/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts
> +++ b/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts
> @@ -1,5 +1,7 @@
> // SPDX-License-Identifier: GPL-2.0
> #include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>
> +#include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
> #include "qcom-msm8974.dtsi"
> #include "qcom-pm8841.dtsi"
> #include "qcom-pm8941.dtsi"
> @@ -20,6 +22,26 @@ chosen {
> stdout-path = "serial0:115200n8";
> };
>
> + gpio-keys {
> + compatible = "gpio-keys";
> + autorepeat;
> +
> + pinctrl-names = "default";
> + pinctrl-0 = <&msm_keys_default>;
property-n
property-names
> +
> + button-volup {
> + label = "Volume Up";
> + linux,code = <KEY_VOLUMEUP>;
> + gpios = <&pm8941_gpios 5 GPIO_ACTIVE_LOW>;
> + };
> +
> + button-general {
> + label = "General";
> + linux,code = <KEY_PROG1>;
> + gpios = <&pm8941_gpios 23 GPIO_ACTIVE_LOW>;
> + };
> + };
> +
> reserved-memory {
> mpss_region: mpss@ac00000 {
> reg = <0x0ac00000 0x2500000>;
> @@ -90,6 +112,25 @@ &mdss {
> status = "okay";
> };
>
> +&pm8941_gpios {
> + msm_keys_default: pm8941-gpio-keys-state {
> + pinconf {
unnecessary pinconf{} level
> + pins = "gpio5", "gpio23";
> + function = "normal";
> + input-enable;
> + drive-push-pull;
> + bias-pull-up;
> + qcom,drive-strength = <PMIC_GPIO_STRENGTH_NO>;
> + power-source = <PM8941_GPIO_S3>; /* 1.8V */
> + };
> + };
> +};
> +
> +&pm8941_resin {
> + status = "okay";
status last
> + linux,code = <KEY_VOLUMEDOWN>;
Konrad
> +};
> +
> &pm8941_wled {
> qcom,cs-out;
> qcom,switching-freq = <3200>;
