2024-02-19 11:39:34

by Raymond Hackley

Subject: [PATCH] arm64: dts: qcom: msm8916-samsung-fortuna: Add touchscreen

From: Joe Mason <[email protected]>

Like msm8916-samsung-a3u-eur, the Grand Prime uses a Zinitix BT541
touchscreen. Add it together with the necessary fixed-regulator to the
device tree.

Signed-off-by: Joe Mason <[email protected]>
[Raymond: Move to fortuna-common. Use interrupts-extended]
Signed-off-by: Raymond Hackley <[email protected]>
---
.../qcom/msm8916-samsung-fortuna-common.dtsi | 49 +++++++++++++++++++
.../qcom/msm8916-samsung-rossa-common.dtsi | 7 +++
2 files changed, 56 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/msm8916-samsung-fortuna-common.dtsi b/arch/arm64/boot/dts/qcom/msm8916-samsung-fortuna-common.dtsi
index c2800ad2dd5b..6fe0a08db08e 100644
--- a/arch/arm64/boot/dts/qcom/msm8916-samsung-fortuna-common.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8916-samsung-fortuna-common.dtsi
@@ -66,6 +66,19 @@ reg_motor_vdd: regulator-motor-vdd {
pinctrl-0 = <&motor_en_default>;
pinctrl-names = "default";
};
+
+ reg_vdd_tsp_a: regulator-vdd-tsp-a {
+ compatible = "regulator-fixed";
+ regulator-name = "vdd_tsp_a";
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
+
+ gpio = <&tlmm 73 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+
+ pinctrl-0 = <&tsp_en_default>;
+ pinctrl-names = "default";
+ };
};

&blsp_i2c1 {
@@ -94,6 +107,28 @@ fuel-gauge@35 {
};
};

+&blsp_i2c5 {
+ status = "okay";
+
+ touchscreen@20 {
+ compatible = "zinitix,bt541";
+ reg = <0x20>;
+
+ interrupts-extended = <&tlmm 13 IRQ_TYPE_EDGE_FALLING>;
+
+ touchscreen-size-x = <540>;
+ touchscreen-size-y = <960>;
+
+ vcca-supply = <&reg_vdd_tsp_a>;
+ vdd-supply = <&pm8916_l6>;
+
+ pinctrl-0 = <&tsp_int_default>;
+ pinctrl-names = "default";
+
+ linux,keycodes = <KEY_APPSELECT KEY_BACK>;
+ };
+};
+
&blsp_uart2 {
status = "okay";
};
@@ -200,4 +235,18 @@ sdc2_cd_default: sdc2-cd-default-state {
drive-strength = <2>;
bias-disable;
};
+
+ tsp_en_default: tsp-en-default-state {
+ pins = "gpio73";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-disable;
+ };
+
+ tsp_int_default: tsp-int-default-state {
+ pins = "gpio13";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-disable;
+ };
};
diff --git a/arch/arm64/boot/dts/qcom/msm8916-samsung-rossa-common.dtsi b/arch/arm64/boot/dts/qcom/msm8916-samsung-rossa-common.dtsi
index 42843771ae2a..ee55c4669e5f 100644
--- a/arch/arm64/boot/dts/qcom/msm8916-samsung-rossa-common.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8916-samsung-rossa-common.dtsi
@@ -14,3 +14,10 @@ muic: extcon@14 {
pinctrl-names = "default";
};
};
+
+&blsp_i2c5 {
+ status = "disabled";
+
+ /* Touchscreen varies depending on model variant */
+ /delete-node/ touchscreen@20;
+};
--
2.39.2

2024-03-12 00:24:59

by Konrad Dybcio

Subject: Re: [PATCH] arm64: dts: qcom: msm8916-samsung-fortuna: Add touchscreen

On 2/19/24 12:38, Raymond Hackley wrote:
> From: Joe Mason <[email protected]>
>
> Like msm8916-samsung-a3u-eur, the Grand Prime uses a Zinitix BT541
> touchscreen. Add it together with the necessary fixed-regulator to the
> device tree.
>
> Signed-off-by: Joe Mason <[email protected]>
> [Raymond: Move to fortuna-common. Use interrupts-extended]
> Signed-off-by: Raymond Hackley <[email protected]>
> ---

[...]

> +&blsp_i2c5 {
> + status = "disabled";
> +
> + /* Touchscreen varies depending on model variant */
> + /delete-node/ touchscreen@20;

Please delete the node by a &label reference and keep
the bus enabled (if I2C5 is used on all models)

Konrad