linux-kernel - [PATCH v3] ARM: dts: imx: e60k02: Add touchscreen

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Message-Id: <20221108191543.1752080-1-andreas@kemnade.info>
Date:   Tue,  8 Nov 2022 20:15:43 +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,
        alistair@...stair23.me
Cc:     Andreas Kemnade <andreas@...nade.info>
Subject: [PATCH v3] ARM: dts: imx: e60k02: Add touchscreen

Add the touchscreen now, since the driver is available.

Signed-off-by: Andreas Kemnade <andreas@...nade.info>
---
Changes in v3: no phandles pointing from dtsi to dts
 
Changes in v2: fix pinmux naming

 arch/arm/boot/dts/e60k02.dtsi              |  9 ++++++++-
 arch/arm/boot/dts/imx6sl-tolino-shine3.dts | 12 ++++++++++++
 arch/arm/boot/dts/imx6sll-kobo-clarahd.dts | 12 ++++++++++++
 3 files changed, 32 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/e60k02.dtsi b/arch/arm/boot/dts/e60k02.dtsi
index 935e2359f8df..99091db3ab2a 100644
--- a/arch/arm/boot/dts/e60k02.dtsi
+++ b/arch/arm/boot/dts/e60k02.dtsi
@@ -104,7 +104,14 @@ &i2c2 {
 	clock-frequency = <100000>;
 	status = "okay";
 
-	/* TODO: CYTTSP5 touch controller at 0x24 */
+	cyttsp5: touchscreen@24 {
+		compatible = "cypress,tt21000";
+		reg = <0x24>;
+		interrupt-parent = <&gpio5>;
+		interrupts = <6 IRQ_TYPE_EDGE_FALLING>;
+		reset-gpios = <&gpio5 13 GPIO_ACTIVE_LOW>;
+		vdd-supply = <&ldo5_reg>;
+	};
 
 	/* TODO: TPS65185 PMIC for E Ink at 0x68 */
 
diff --git a/arch/arm/boot/dts/imx6sl-tolino-shine3.dts b/arch/arm/boot/dts/imx6sl-tolino-shine3.dts
index e3f1e8d79528..e98dc302e2e3 100644
--- a/arch/arm/boot/dts/imx6sl-tolino-shine3.dts
+++ b/arch/arm/boot/dts/imx6sl-tolino-shine3.dts
@@ -26,6 +26,11 @@ / {
 	compatible = "kobo,tolino-shine3", "fsl,imx6sl";
 };
 
+&cyttsp5 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_cyttsp5_gpio>;
+};
+
 &gpio_keys {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_gpio_keys>;
@@ -52,6 +57,13 @@ &iomuxc {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_hog>;
 
+	pinctrl_cyttsp5_gpio: cyttsp5-gpiogrp {
+		fsl,pins = <
+			MX6SL_PAD_SD1_DAT3__GPIO5_IO06                0x17059 /* TP_INT */
+			MX6SL_PAD_SD1_DAT2__GPIO5_IO13                0x10059 /* TP_RST */
+		>;
+	};
+
 	pinctrl_gpio_keys: gpio-keysgrp {
 		fsl,pins = <
 			MX6SL_PAD_SD1_DAT1__GPIO5_IO08	0x17059	/* PWR_SW */
diff --git a/arch/arm/boot/dts/imx6sll-kobo-clarahd.dts b/arch/arm/boot/dts/imx6sll-kobo-clarahd.dts
index 90b32f5eb529..6bb80720ea66 100644
--- a/arch/arm/boot/dts/imx6sll-kobo-clarahd.dts
+++ b/arch/arm/boot/dts/imx6sll-kobo-clarahd.dts
@@ -36,6 +36,11 @@ &cpu0 {
 	soc-supply = <&dcdc1_reg>;
 };
 
+&cyttsp5 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_cyttsp5_gpio>;
+};
+
 &gpio_keys {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_gpio_keys>;
@@ -62,6 +67,13 @@ &iomuxc {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_hog>;
 
+	pinctrl_cyttsp5_gpio: cyttsp5-gpiogrp {
+		fsl,pins = <
+			MX6SLL_PAD_SD1_DATA3__GPIO5_IO06                0x17059 /* TP_INT */
+			MX6SLL_PAD_SD1_DATA2__GPIO5_IO13                0x10059 /* TP_RST */
+		>;
+	};
+
 	pinctrl_gpio_keys: gpio-keysgrp {
 		fsl,pins = <
 			MX6SLL_PAD_SD1_DATA1__GPIO5_IO08	0x17059	/* PWR_SW */
-- 
2.30.2