linux-kernel - Re: [PATCH v2 3/3] arm64: dts: qcom: Add device tree for Samsung Galaxy Tab A 8.0 (2015)

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Date:   Sat, 7 Jan 2023 11:37:14 +0100
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Nikita Travkin <nikita@...n.ru>, Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Siddharth Manthan <siddharth.manthan@...il.com>,
        Jasper Korten <jja2000@...il.com>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, ~postmarketos/upstreaming@...ts.sr.ht
Subject: Re: [PATCH v2 3/3] arm64: dts: qcom: Add device tree for Samsung
 Galaxy Tab A 8.0 (2015)



On 6.01.2023 13:25, Nikita Travkin wrote:
> From: Siddharth Manthan <siddharth.manthan@...il.com>
> 
> Galaxy Tab A 8.0 is a tablet, very similar to Tab A 9.7 with major
> differences being the display and touchscreen.
> 
> Add it's devicetree reusing a common dtsi from gt510.
> 
> Signed-off-by: Siddharth Manthan <siddharth.manthan@...il.com>
> [Squashed multiple commits]
> Signed-off-by: Nikita Travkin <nikita@...n.ru>
> ---
>  arch/arm64/boot/dts/qcom/Makefile             |  1 +
>  .../boot/dts/qcom/msm8916-samsung-gt58.dts    | 78 +++++++++++++++++++
>  2 files changed, 79 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/qcom/msm8916-samsung-gt58.dts
> 
> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
> index 70e3b109aeff..062561db33f1 100644
> --- a/arch/arm64/boot/dts/qcom/Makefile
> +++ b/arch/arm64/boot/dts/qcom/Makefile
> @@ -20,6 +20,7 @@ dtb-$(CONFIG_ARCH_QCOM)	+= msm8916-samsung-e5.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= msm8916-samsung-e7.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= msm8916-samsung-grandmax.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= msm8916-samsung-gt510.dtb
> +dtb-$(CONFIG_ARCH_QCOM)	+= msm8916-samsung-gt58.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= msm8916-samsung-j5.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= msm8916-samsung-serranove.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= msm8916-wingtech-wt88047.dtb
> diff --git a/arch/arm64/boot/dts/qcom/msm8916-samsung-gt58.dts b/arch/arm64/boot/dts/qcom/msm8916-samsung-gt58.dts
> new file mode 100644
> index 000000000000..fcf516888739
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/msm8916-samsung-gt58.dts
> @@ -0,0 +1,78 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +
> +/dts-v1/;
> +
> +#include "msm8916-samsung-gt5-common.dtsi"
> +
> +/ {
> +	model = "Samsung Galaxy Tab A 8.0 (2015)";
> +	compatible = "samsung,gt58", "qcom,msm8916";
> +	chassis-type = "tablet";
> +
> +	reg_vdd_tsp: regulator-vdd-tsp {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vdd_tsp";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +
> +		gpio = <&msmgpio 73 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +
> +		pinctrl-0 = <&reg_tsp_en_default>;
> +		pinctrl-names = "default";
> +	};
> +
> +	vibrator {
> +		compatible = "gpio-vibrator";
> +		enable-gpios = <&msmgpio 76 GPIO_ACTIVE_HIGH>;
> +
> +		pinctrl-0 = <&vibrator_en_default>;
> +		pinctrl-names = "default";
> +	};
> +};
> +
> +&blsp_i2c5 {
> +	status = "okay";
> +
> +	touchscreen@20 {
> +		compatible = "zinitix,bt532";
> +		reg = <0x20>;
> +		interrupt-parent = <&msmgpio>;
> +		interrupts = <13 IRQ_TYPE_EDGE_FALLING>;
> +
> +		touchscreen-size-x = <768>;
> +		touchscreen-size-y = <1024>;
> +
> +		vcca-supply = <&reg_vdd_tsp>;
> +		vdd-supply = <&pm8916_l6>;
> +
> +		pinctrl-0 = <&tsp_int_default>;
> +		pinctrl-names = "default";
> +	};
> +};
> +
> +&msmgpio {
> +	reg_tsp_en_default: reg-tsp-en-default-state {
> +		pins = "gpio73";
> +		function = "gpio";
> +
Stray newlines, please remove.

With that:

Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>

Konrad
> +		drive-strength = <2>;
> +		bias-disable;
> +	};
> +
> +	tsp_int_default: tsp-int-default-state {
> +		pins = "gpio13";
> +		function = "gpio";
> +
> +		drive-strength = <2>;
> +		bias-disable;
> +	};
> +
> +	vibrator_en_default: vibrator-en-default-state {
> +		pins = "gpio76";
> +		function = "gpio";
> +
> +		drive-strength = <2>;
> +		bias-disable;
> +	};
> +};