linux-kernel - [PATCH 4/4] ARM: dts: imx7d: remarkable2: Enable the cyttsp5

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Message-Id: <20211025114214.44617-5-alistair@alistair23.me>
Date:   Mon, 25 Oct 2021 21:42:14 +1000
From:   Alistair Francis <alistair@...stair23.me>
To:     linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-input@...r.kernel.org
Cc:     andreas@...nade.info, alistair23@...il.com,
        dmitry.torokhov@...il.com, linus.walleij@...aro.org,
        robh+dt@...nel.org, rydberg@...math.org,
        mylene.josserand@...e-electrons.com,
        Alistair Francis <alistair@...stair23.me>
Subject: [PATCH 4/4] ARM: dts: imx7d: remarkable2: Enable the cyttsp5

Signed-off-by: Alistair Francis <alistair@...stair23.me>
---
 arch/arm/boot/dts/imx7d-remarkable2.dts | 88 +++++++++++++++++++++++++
 1 file changed, 88 insertions(+)

diff --git a/arch/arm/boot/dts/imx7d-remarkable2.dts b/arch/arm/boot/dts/imx7d-remarkable2.dts
index 89cbf13097a4..9a8558c970ad 100644
--- a/arch/arm/boot/dts/imx7d-remarkable2.dts
+++ b/arch/arm/boot/dts/imx7d-remarkable2.dts
@@ -34,6 +34,18 @@ reg_brcm: regulator-brcm {
 		startup-delay-us = <150>;
 	};
 
+	reg_touch: regulator-touch {
+		compatible = "regulator-fixed";
+		regulator-name = "VDD_3V3_TOUCH";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		pinctrl-names = "default", "sleep";
+		pinctrl-0 = <&pinctrl_touch_reg>;
+		pinctrl-1 = <&pinctrl_touch_reg>;
+		gpio = <&gpio1 11 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+
 	wifi_pwrseq: wifi_pwrseq {
 		compatible = "mmc-pwrseq-simple";
 		pinctrl-names = "default";
@@ -51,6 +63,59 @@ &clks {
 	assigned-clock-rates = <0>, <32768>;
 };
 
+&i2c3 {
+	clock-frequency = <100000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c3>;
+	status = "okay";
+
+	tsc@24 {
+		compatible = "cypress,cyttsp5";
+		reg = <0x24>;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_touch>;
+		interrupt-parent = <&gpio1>;
+		interrupts = <14 IRQ_TYPE_EDGE_FALLING>;
+		reset-gpios = <&gpio1 13 0>;
+		vdd-supply = <&reg_touch>;
+		touchscreen-size-x = <880>;
+		touchscreen-size-y = <1280>;
+
+		button@0 {
+			linux,code = <172>;	/* KEY_HOMEPAGE */
+		};
+
+		button@1 {
+			linux,code = <139>;	/* KEY_MENU */
+		};
+
+		button@2 {
+			linux,code = <158>;	/* KEY_BACK */
+		};
+
+		button@3 {
+			linux,code = <217>;	/* KEY_SEARCH */
+		};
+
+		button@4 {
+			linux,code = <114>;	/* KEY_VOLUMEDOWN */
+		};
+
+		button@5 {
+			linux,code = <115>;	/* KEY_VOLUMEUP */
+		};
+
+		button@6 {
+			linux,code = <212>;	/* KEY_CAMERA */
+		};
+
+		button@7 {
+			linux,code = <116>;	/* KEY_POWER */
+		};
+	};
+};
+
 &snvs_pwrkey {
 	status = "okay";
 };
@@ -125,6 +190,29 @@ MX7D_PAD_SAI1_TX_BCLK__GPIO6_IO13	0x14
 		>;
 	};
 
+	pinctrl_touch: touchgrp {
+		fsl,pins = <
+			/* CYTTSP interrupt */
+			MX7D_PAD_GPIO1_IO14__GPIO1_IO14		0x54
+			/* CYTTSP reset */
+			MX7D_PAD_GPIO1_IO13__GPIO1_IO13		0x04
+		>;
+	};
+
+	pinctrl_i2c3: i2c3grp {
+		fsl,pins = <
+			MX7D_PAD_I2C3_SDA__I2C3_SDA		0x4000007f
+			MX7D_PAD_I2C3_SCL__I2C3_SCL		0x4000007f
+		>;
+	};
+
+	pinctrl_touch_reg: touchreggrp {
+		fsl,pins = <
+			/* TOUCH_PWR_EN */
+			MX7D_PAD_GPIO1_IO11__GPIO1_IO11		0x14
+		>;
+	};
+
 	pinctrl_uart1: uart1grp {
 		fsl,pins = <
 			MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX	0x79
-- 
2.31.1