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From: Alistair Francis <alistair@alistair23.me>
To: dmitry.torokhov@gmail.com, linux-input@vger.kernel.org,
	linux-imx@nxp.com, kernel@pengutronix.de
Cc: linux-kernel@vger.kernel.org, alistair23@gmail.com,
	Alistair Francis <alistair@alistair23.me>
Subject: [PATCH v2 6/6] arch/arm: reMarkable2: Enable wacom_i2c
Date: Wed, 20 Jan 2021 22:56:43 -0800	[thread overview]
Message-ID: <20210121065643.342-7-alistair@alistair23.me> (raw)
In-Reply-To: <20210121065643.342-1-alistair@alistair23.me>

Enable the wacom_i2c touchscreen for the reMarkable2.

Signed-off-by: Alistair Francis <alistair@alistair23.me>
---
 arch/arm/boot/dts/imx7d-remarkable2.dts | 41 +++++++++++++++++++++++++
 arch/arm/configs/imx_v6_v7_defconfig    |  1 +
 2 files changed, 42 insertions(+)

diff --git a/arch/arm/boot/dts/imx7d-remarkable2.dts b/arch/arm/boot/dts/imx7d-remarkable2.dts
index fba55a0e028a..8052d884a5e5 100644
--- a/arch/arm/boot/dts/imx7d-remarkable2.dts
+++ b/arch/arm/boot/dts/imx7d-remarkable2.dts
@@ -150,6 +150,30 @@ &dma_apbh {
 	status = "disabled";
 };
 
+&i2c1 {
+	clock-frequency = <400000>;
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&pinctrl_i2c1>;
+	pinctrl-1 = <&pinctrl_i2c1>;
+	status = "okay";
+
+	digitizer: wacom-i2c@9 {
+		pinctrl-names = "default", "sleep";
+		pinctrl-0 = <&pinctrl_wacom>;
+		pinctrl-1 = <&pinctrl_wacom>;
+		compatible = "wacom,wacom-i2c";
+		reg = <0x09>;
+		interrupt-parent = <&gpio1>;
+		interrupts = <1 2>;
+		flip-tilt-x;
+		flip-tilt-y;
+		flip-pos-x;
+		flip-pos-y;
+		flip-distance;
+		vdd-supply = <&reg_digitizer>;
+	};
+};
+
 &sdma {
 	status = "okay";
 };
@@ -221,6 +245,16 @@ &wdog1 {
 };
 
 &iomuxc_lpsr {
+	pinctrl_wacom: wacomgrp {
+		fsl,pins = <
+			/*MX7D_PAD_LPSR_GPIO1_IO00__GPIO1_IO0	0x00000074 /* WACOM RESET */
+			MX7D_PAD_LPSR_GPIO1_IO01__GPIO1_IO1	0x00000034 /* WACOM INT */
+			MX7D_PAD_LPSR_GPIO1_IO04__GPIO1_IO4	0x00000074 /* PDCTB */
+			/*MX7D_PAD_LPSR_GPIO1_IO05__GPIO1_IO5	0x00000014 /* FWE */
+			/*MX7D_PAD_LPSR_GPIO1_IO06__GPIO1_IO6	0x00000014 /* WACOM PWR ENABLE */
+		>;
+	};
+
 	pinctrl_digitizer_reg: digitizerreggrp {
 		fsl,pins = <
 			/* DIGITIZER_PWR_EN */
@@ -236,6 +270,13 @@ MX7D_PAD_SAI1_RX_SYNC__GPIO6_IO16	0x59
 		>;
 	};
 
+	pinctrl_i2c1: i2c1grp {
+		fsl,pins = <
+			MX7D_PAD_I2C1_SDA__I2C1_SDA		0x4000007f
+			MX7D_PAD_I2C1_SCL__I2C1_SCL		0x4000007f
+		>;
+	};
+
 	pinctrl_uart1: uart1grp {
 		fsl,pins = <
 			MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX	0x79
diff --git a/arch/arm/configs/imx_v6_v7_defconfig b/arch/arm/configs/imx_v6_v7_defconfig
index fa9229616106..2fc8dc6a8b0a 100644
--- a/arch/arm/configs/imx_v6_v7_defconfig
+++ b/arch/arm/configs/imx_v6_v7_defconfig
@@ -167,6 +167,7 @@ CONFIG_TOUCHSCREEN_DA9052=y
 CONFIG_TOUCHSCREEN_EGALAX=y
 CONFIG_TOUCHSCREEN_GOODIX=y
 CONFIG_TOUCHSCREEN_ILI210X=y
+CONFIG_TOUCHSCREEN_WACOM_I2C=y
 CONFIG_TOUCHSCREEN_MAX11801=y
 CONFIG_TOUCHSCREEN_IMX6UL_TSC=y
 CONFIG_TOUCHSCREEN_EDT_FT5X06=y
-- 
2.29.2


  parent reply	other threads:[~2021-01-21  7:04 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-21  6:56 [PATCH v2 0/6] Add Wacom I2C support to rM2 Alistair Francis
2021-01-21  6:56 ` [PATCH v2 1/6] devicetree/bindings: Initial commit of wacom,wacom-i2c Alistair Francis
2021-01-22 15:49   ` [PATCH v2 1/6] devicetree/bindings: Initial commit of wacom, wacom-i2c Marco Felsch
2021-01-21  6:56 ` [PATCH v2 2/6] input/touchscreen: Add device tree support to wacom_i2c Alistair Francis
2021-01-22 15:57   ` Marco Felsch
2021-01-21  6:56 ` [PATCH v2 3/6] touchscreen/wacom_i2c: Add support for distance and tilt x/y Alistair Francis
2021-01-22 16:00   ` Marco Felsch
2021-01-21  6:56 ` [PATCH v2 4/6] touchscreen/wacom_i2c: Clean up the query device fields Alistair Francis
2021-01-21  6:56 ` [PATCH v2 5/6] touchscreen/wacom_i2c: Add support for vdd regulator Alistair Francis
2021-01-21  6:56 ` Alistair Francis [this message]
2021-01-22 15:32   ` [PATCH v2 6/6] arch/arm: reMarkable2: Enable wacom_i2c Marco Felsch
2021-01-23  8:04     ` Alistair Francis
2021-01-22 16:14 ` [PATCH v2 0/6] Add Wacom I2C support to rM2 Marco Felsch

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