Re: [PATCH 1/2] ARM: dts: qcom: msm8974-hammerhead: add touchscreen support

From: Bjorn Andersson
Date: Sun Jun 16 2019 - 14:45:00 EST


On Sun 02 Jun 18:04 PDT 2019, Brian Masney wrote:

> From: Jonathan Marek <jonathan@xxxxxxxx>
>
> Add support for the Synaptics RMI4 touchscreen that is found on the
> Nexus 5.
>
> Signed-off-by: Jonathan Marek <jonathan@xxxxxxxx>
> Signed-off-by: Brian Masney <masneyb@xxxxxxxxxxxxx>

Applied for 5.3

PS. Please use a --cover-letter when sending multiple patches.

Thanks,
Bjorn

> ---
> This is to be applied on top of the display patch series:
> https://lore.kernel.org/lkml/20190531094619.31704-1-masneyb@xxxxxxxxxxxxx/
>
> .../qcom-msm8974-lge-nexus5-hammerhead.dts | 64 +++++++++++++++++++
> 1 file changed, 64 insertions(+)
>
> diff --git a/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts b/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts
> index c92ea01e3918..06c33bd71620 100644
> --- a/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts
> +++ b/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts
> @@ -280,6 +280,16 @@
> };
> };
>
> + i2c2_pins: i2c2 {
> + mux {
> + pins = "gpio6", "gpio7";
> + function = "blsp_i2c2";
> +
> + drive-strength = <2>;
> + bias-disable;
> + };
> + };
> +
> i2c3_pins: i2c3 {
> mux {
> pins = "gpio10", "gpio11";
> @@ -326,6 +336,25 @@
> bias-disable;
> };
> };
> +
> + touch_pin: touch {
> + int {
> + pins = "gpio5";
> + function = "gpio";
> +
> + drive-strength = <2>;
> + bias-disable;
> + input-enable;
> + };
> +
> + reset {
> + pins = "gpio8";
> + function = "gpio";
> +
> + drive-strength = <2>;
> + bias-pull-up;
> + };
> + };
> };
>
> sdhci@f9824900 {
> @@ -468,6 +497,41 @@
> };
> };
>
> + i2c@f9924000 {
> + status = "ok";
> +
> + clock-frequency = <355000>;
> + qcom,src-freq = <50000000>;
> +
> + pinctrl-names = "default";
> + pinctrl-0 = <&i2c2_pins>;
> +
> + synaptics@70 {
> + compatible = "syna,rmi4-i2c";
> + reg = <0x70>;
> +
> + interrupts-extended = <&msmgpio 5 IRQ_TYPE_EDGE_FALLING>;
> + vdd-supply = <&pm8941_l22>;
> + vio-supply = <&pm8941_lvs3>;
> +
> + pinctrl-names = "default";
> + pinctrl-0 = <&touch_pin>;
> +
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + rmi4-f01@1 {
> + reg = <0x1>;
> + syna,nosleep-mode = <1>;
> + };
> +
> + rmi4-f12@12 {
> + reg = <0x12>;
> + syna,sensor-type = <1>;
> + };
> + };
> + };
> +
> i2c@f9925000 {
> status = "ok";
> pinctrl-names = "default";
> --
> 2.20.1
>