linux-kernel - [PATCH] ARM: dts: imx: e70k02: Add touchscreen

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Date:   Sat,  7 Jan 2023 13:36:21 +0100
From:   Andreas Kemnade <andreas@...nade.info>
To:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
        festevam@...il.com, linux-imx@....com, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Cc:     Andreas Kemnade <andreas@...nade.info>
Subject: [PATCH] ARM: dts: imx: e70k02: Add touchscreen

Add the touchscreen now, since the driver is available.

Signed-off-by: Andreas Kemnade <andreas@...nade.info>
---
 arch/arm/boot/dts/e70k02.dtsi               | 11 ++++++++++-
 arch/arm/boot/dts/imx6sl-tolino-vision5.dts |  7 +++++++
 arch/arm/boot/dts/imx6sll-kobo-librah2o.dts |  7 +++++++
 3 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/e70k02.dtsi b/arch/arm/boot/dts/e70k02.dtsi
index 27ef9a62b23c..ace3eb8a97b8 100644
--- a/arch/arm/boot/dts/e70k02.dtsi
+++ b/arch/arm/boot/dts/e70k02.dtsi
@@ -122,7 +122,16 @@ &i2c2 {
 	clock-frequency = <100000>;
 	status = "okay";
 
-	/* TODO: CYTTSP5 touch controller at 0x24 */
+	touchscreen@24 {
+		compatible = "cypress,tt21000";
+		reg = <0x24>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_cyttsp5_gpio>;
+		interrupt-parent = <&gpio4>;
+		interrupts = <24 IRQ_TYPE_EDGE_FALLING>;
+		reset-gpios = <&gpio4 18 GPIO_ACTIVE_LOW>;
+		vdd-supply = <&ldo5_reg>;
+	};
 
 	/* TODO: SY7636 PMIC for E Ink at 0x62 */
 
diff --git a/arch/arm/boot/dts/imx6sl-tolino-vision5.dts b/arch/arm/boot/dts/imx6sl-tolino-vision5.dts
index ff6118df3946..6bc342035e2b 100644
--- a/arch/arm/boot/dts/imx6sl-tolino-vision5.dts
+++ b/arch/arm/boot/dts/imx6sl-tolino-vision5.dts
@@ -52,6 +52,13 @@ &iomuxc {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_hog>;
 
+	pinctrl_cyttsp5_gpio: cyttsp5-gpiogrp {
+		fsl,pins = <
+			MX6SL_PAD_FEC_TXD0__GPIO4_IO24          0x17059 /* TP_INT */
+			MX6SL_PAD_FEC_RXD1__GPIO4_IO18          0x10059 /* TP_RST */
+		>;
+	};
+
 	pinctrl_gpio_keys: gpio-keysgrp {
 		fsl,pins = <
 			MX6SL_PAD_FEC_CRS_DV__GPIO4_IO25	0x17059	/* PWR_SW */
diff --git a/arch/arm/boot/dts/imx6sll-kobo-librah2o.dts b/arch/arm/boot/dts/imx6sll-kobo-librah2o.dts
index a8b0e88064d9..7e4f38dd11e2 100644
--- a/arch/arm/boot/dts/imx6sll-kobo-librah2o.dts
+++ b/arch/arm/boot/dts/imx6sll-kobo-librah2o.dts
@@ -62,6 +62,13 @@ &iomuxc {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_hog>;
 
+	pinctrl_cyttsp5_gpio: cyttsp5-gpiogrp {
+		fsl,pins = <
+			MX6SLL_PAD_GPIO4_IO24__GPIO4_IO24	0x17059 /* TP_INT */
+			MX6SLL_PAD_GPIO4_IO18__GPIO4_IO18	0x10059 /* TP_RST */
+		>;
+	};
+
 	pinctrl_gpio_keys: gpio-keysgrp {
 		fsl,pins = <
 			MX6SLL_PAD_GPIO4_IO25__GPIO4_IO25	0x17059	/* PWR_SW */
-- 
2.30.2