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Date: Tue, 12 Mar 2024 07:45:42 +0000
To: linux-kernel@vger.kernel.org
From: Raymond Hackley <raymondhackley@protonmail.com>
Cc: Bjorn Andersson <andersson@kernel.org>, Konrad Dybcio <konrad.dybcio@linaro.org>, Rob Herring <robh+dt@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Conor Dooley <conor+dt@kernel.org>, Stephan Gerhold <stephan@gerhold.net>, Nikita Travkin <nikita@trvn.ru>, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht, Joe Mason <buddyjojo06@outlook.com>
Subject: [PATCH v2] arm64: dts: qcom: msm8916-samsung-fortuna: Add touchscreen
Message-ID: <20240312074536.62964-1-raymondhackley@protonmail.com>
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From: Joe Mason <buddyjojo06@outlook.com>

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 <buddyjojo06@outlook.com>
[Raymond: Move to fortuna-common. Use interrupts-extended]
Signed-off-by: Raymond Hackley <raymondhackley@protonmail.com>
---
v2: Add &touchscreen. Keep i2c5 enabled
---
 .../qcom/msm8916-samsung-fortuna-common.dtsi  | 49 +++++++++++++++++++
 .../qcom/msm8916-samsung-rossa-common.dtsi    |  3 ++
 2 files changed, 52 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..d16647e687ef 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 {
 =09=09pinctrl-0 =3D <&motor_en_default>;
 =09=09pinctrl-names =3D "default";
 =09};
+
+=09reg_vdd_tsp_a: regulator-vdd-tsp-a {
+=09=09compatible =3D "regulator-fixed";
+=09=09regulator-name =3D "vdd_tsp_a";
+=09=09regulator-min-microvolt =3D <3000000>;
+=09=09regulator-max-microvolt =3D <3000000>;
+
+=09=09gpio =3D <&tlmm 73 GPIO_ACTIVE_HIGH>;
+=09=09enable-active-high;
+
+=09=09pinctrl-0 =3D <&tsp_en_default>;
+=09=09pinctrl-names =3D "default";
+=09};
 };
=20
 &blsp_i2c1 {
@@ -94,6 +107,28 @@ fuel-gauge@35 {
 =09};
 };
=20
+&blsp_i2c5 {
+=09status =3D "okay";
+
+=09touchscreen: touchscreen@20 {
+=09=09compatible =3D "zinitix,bt541";
+=09=09reg =3D <0x20>;
+
+=09=09interrupts-extended =3D <&tlmm 13 IRQ_TYPE_EDGE_FALLING>;
+
+=09=09touchscreen-size-x =3D <540>;
+=09=09touchscreen-size-y =3D <960>;
+
+=09=09vcca-supply =3D <&reg_vdd_tsp_a>;
+=09=09vdd-supply =3D <&pm8916_l6>;
+
+=09=09pinctrl-0 =3D <&tsp_int_default>;
+=09=09pinctrl-names =3D "default";
+
+=09=09linux,keycodes =3D <KEY_APPSELECT KEY_BACK>;
+=09};
+};
+
 &blsp_uart2 {
 =09status =3D "okay";
 };
@@ -200,4 +235,18 @@ sdc2_cd_default: sdc2-cd-default-state {
 =09=09drive-strength =3D <2>;
 =09=09bias-disable;
 =09};
+
+=09tsp_en_default: tsp-en-default-state {
+=09=09pins =3D "gpio73";
+=09=09function =3D "gpio";
+=09=09drive-strength =3D <2>;
+=09=09bias-disable;
+=09};
+
+=09tsp_int_default: tsp-int-default-state {
+=09=09pins =3D "gpio13";
+=09=09function =3D "gpio";
+=09=09drive-strength =3D <2>;
+=09=09bias-disable;
+=09};
 };
diff --git a/arch/arm64/boot/dts/qcom/msm8916-samsung-rossa-common.dtsi b/a=
rch/arm64/boot/dts/qcom/msm8916-samsung-rossa-common.dtsi
index 42843771ae2a..4048b72efcdc 100644
--- a/arch/arm64/boot/dts/qcom/msm8916-samsung-rossa-common.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8916-samsung-rossa-common.dtsi
@@ -5,6 +5,9 @@
 /* SM5504 MUIC instead of SM5502 */
 /delete-node/ &muic;
=20
+/* Touchscreen varies depending on model variant */
+/delete-node/ &touchscreen;
+
 &blsp_i2c1 {
 =09muic: extcon@14 {
 =09=09compatible =3D "siliconmitus,sm5504-muic";
--=20
2.39.2