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

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Date:   Sun, 16 Jun 2019 11:40:51 -0700
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Brian Masney <masneyb@...tation.org>
Cc:     agross@...nel.org, david.brown@...aro.org, robh+dt@...nel.org,
        mark.rutland@....com, linux@...linux.org.uk,
        linus.walleij@...aro.org, frank.rowand@...y.com,
        miquel.raynal@...tlin.com, absahu@...eaurora.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Jonathan Marek <jonathan@...ek.ca>
Subject: Re: [PATCH 1/2] ARM: dts: qcom: msm8974-hammerhead: add touchscreen
 support

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

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

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@onstation.org/
> 
>  .../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@...24900 {
> @@ -468,6 +497,41 @@
>  		};
>  	};
>  
> +	i2c@...24000 {
> +		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@...25000 {
>  		status = "ok";
>  		pinctrl-names = "default";
> -- 
> 2.20.1
>