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arm64: dts: qcom: msm8916-samsung-serranove: Add touch screen

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Like msm8916-samsung-a3u-eur, the S4 Mini VE uses a Zinitix BT541
touch screen. Add it together with the necessary fixed-regulator
to the device tree.

Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211004201921.18526-3-stephan@gerhold.net
This commit is contained in:
Stephan Gerhold
2021-10-04 22:19:08 +02:00
committed by Bjorn Andersson
parent 0e0253ccaf
commit c6b4ddc08d
1 changed files with 50 additions and 0 deletions
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50
arch/arm64/boot/dts/qcom/msm8916-samsung-serranove.dts
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@@ -78,6 +78,19 @@
};
};
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-names = "default";
pinctrl-0 = <&tsp_en_default>;
};
i2c-muic {
compatible = "i2c-gpio";
sda-gpios = <&msmgpio 105 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
@@ -102,6 +115,27 @@
};
};
&blsp_i2c5 {
status = "okay";
touchscreen@20 {
compatible = "zinitix,bt541";
reg = <0x20>;
interrupt-parent = <&msmgpio>;
interrupts = <13 IRQ_TYPE_EDGE_FALLING>;
touchscreen-size-x = <540>;
touchscreen-size-y = <960>;
vdd-supply = <&reg_vdd_tsp>;
vddo-supply = <&pm8916_l6>;
pinctrl-names = "default";
pinctrl-0 = <&tsp_irq_default>;
};
};
&blsp1_uart2 {
status = "okay";
};
@@ -298,4 +332,20 @@
drive-strength = <2>;
bias-disable;
};
tsp_en_default: tsp-en-default {
pins = "gpio73";
function = "gpio";
drive-strength = <2>;
bias-disable;
};
tsp_irq_default: tsp-irq-default {
pins = "gpio13";
function = "gpio";
drive-strength = <2>;
bias-disable;
};
};