On Mon, Oct 07, 2019 at 08:45:28AM +0200, michael.srba@xxxxxxxxx wrote:
> From: Michael Srba <Michael.Srba@xxxxxxxxx>
>
> Add nodes for basic GPIO connected hardware to the Samsung A3/A5 common dtsi.
> This includes the Volume UP button, the Home button, and the hall sensor used
> to sense "smart cover" open state. Related to that, add a node for the Volume
> DOWN button, which is handled by the pm8916 as is common with msm8916 devices.
>
> Signed-off-by: Michael Srba <Michael.Srba@xxxxxxxxx>
Reviewed-by: Stephan Gerhold <stephan@xxxxxxxxxxx>
Tested-by: Stephan Gerhold <stephan@xxxxxxxxxxx> # a5u
> ---
> .../qcom/msm8916-samsung-a2015-common.dtsi | 76 +++++++++++++++++++
> 1 file changed, 76 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/msm8916-samsung-a2015-common.dtsi b/arch/arm64/boot/dts/qcom/msm8916-samsung-a2015-common.dtsi
> index 6fc0b80d1f90..bd1eb3eeca53 100644
> --- a/arch/arm64/boot/dts/qcom/msm8916-samsung-a2015-common.dtsi
> +++ b/arch/arm64/boot/dts/qcom/msm8916-samsung-a2015-common.dtsi
> @@ -3,6 +3,7 @@
> #include "msm8916.dtsi"
> #include "pm8916.dtsi"
> #include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>
> #include <dt-bindings/interrupt-controller/irq.h>
>
> / {
> @@ -91,6 +92,44 @@
> etm@85f000 { status = "disabled"; };
> };
>
> + gpio-keys {
> + compatible = "gpio-keys";
> +
> + pinctrl-names = "default";
> + pinctrl-0 = <&gpio_keys_default>;
> +
> + label = "GPIO Buttons";
> +
> + volume-up {
> + label = "Volume Up";
> + gpios = <&msmgpio 107 GPIO_ACTIVE_LOW>;
> + linux,code = <KEY_VOLUMEUP>;
> + };
> +
> + home {
> + label = "Home";
> + gpios = <&msmgpio 109 GPIO_ACTIVE_LOW>;
> + linux,code = <KEY_HOMEPAGE>;
> + };
> + };
> +
> + gpio-hall-sensor {
> + compatible = "gpio-keys";
> +
> + pinctrl-names = "default";
> + pinctrl-0 = <&gpio_hall_sensor_default>;
> +
> + label = "GPIO Hall Effect Sensor";
> +
> + hall-sensor {
> + label = "Hall Effect Sensor";
> + gpios = <&msmgpio 52 GPIO_ACTIVE_LOW>;
> + linux,input-type = <EV_SW>;
> + linux,code = <SW_LID>;
> + linux,can-disable;
> + };
> + };
> +
> i2c-muic {
> compatible = "i2c-gpio";
> sda-gpios = <&msmgpio 105 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
> @@ -113,6 +152,30 @@
> };
>
> &msmgpio {
> + gpio_keys_default: gpio_keys_default {
> + pinmux {
> + function = "gpio";
> + pins = "gpio107", "gpio109";
> + };
> + pinconf {
> + pins = "gpio107", "gpio109";
> + drive-strength = <2>;
> + bias-pull-up;
> + };
> + };
> +
> + gpio_hall_sensor_default: gpio_hall_sensor_default {
> + pinmux {
> + function = "gpio";
> + pins = "gpio52";
> + };
> + pinconf {
> + pins = "gpio52";
> + drive-strength = <2>;
> + bias-disable;
> + };
> + };
> +
> muic_int_default: muic_int_default {
> pinmux {
> function = "gpio";
> @@ -238,3 +301,16 @@
> regulator-max-microvolt = <2700000>;
> };
> };
> +
> +&spmi_bus {
> + pm8916@0 {
> + pon@800 {
> + volume-down {
> + compatible = "qcom,pm8941-resin";
> + interrupts = <0x0 0x8 1 IRQ_TYPE_EDGE_BOTH>;
> + bias-pull-up;
> + linux,code = <KEY_VOLUMEDOWN>;
> + };
> + };
> + };
> +};
> --
> 2.23.0
>
