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authorStephan Gerhold <stephan@gerhold.net>2021-10-04 22:19:08 +0200
committerBjorn Andersson <bjorn.andersson@linaro.org>2021-10-23 22:23:02 -0500
commitc6b4ddc08dc2633adfb0a933066c09303f97091b (patch)
treede7bd47115845dffa68ad41a61e795e694cff515 /arch/arm64/boot/dts/qcom/msm8916-samsung-serranove.dts
parent0e0253ccaf9092128a2e7a3599c7adee3cb7192d (diff)
arm64: dts: qcom: msm8916-samsung-serranove: Add touch screen
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
Diffstat (limited to 'arch/arm64/boot/dts/qcom/msm8916-samsung-serranove.dts')
-rw-r--r--arch/arm64/boot/dts/qcom/msm8916-samsung-serranove.dts50
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/qcom/msm8916-samsung-serranove.dts b/arch/arm64/boot/dts/qcom/msm8916-samsung-serranove.dts
index 013f843aff9c..aa1326e5d4cb 100644
--- a/arch/arm64/boot/dts/qcom/msm8916-samsung-serranove.dts
+++ b/arch/arm64/boot/dts/qcom/msm8916-samsung-serranove.dts
@@ -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;
+ };
};