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 3/3] arch/arm: reMarkable2: Enable wacom_i2c
Date: Sat, 16 Jan 2021 20:24:28 -0800 [thread overview]
Message-ID: <20210117042428.1497-3-alistair@alistair23.me> (raw)
In-Reply-To: <20210117042428.1497-1-alistair@alistair23.me>
Enable the wacom_i2c touchscreen for the reMarkable2.
Signed-off-by: Alistair Francis <alistair@alistair23.me>
---
| 41 +++++++++++++++++++++++++
1 file changed, 41 insertions(+)
--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 = <®_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
--
2.29.2
next prev parent reply other threads:[~2021-01-17 23:43 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-17 4:24 [PATCH 1/3] devicetree/bindings: Initial commit of wacom,wacom-i2c Alistair Francis
2021-01-17 4:24 ` [PATCH 2/3] input/touchscreen: Add device tree support to wacom_i2c Alistair Francis
2021-01-20 2:17 ` Dmitry Torokhov
2021-01-21 6:51 ` Alistair Francis
2021-01-17 4:24 ` Alistair Francis [this message]
2021-01-20 2:15 ` [PATCH 1/3] devicetree/bindings: Initial commit of wacom,wacom-i2c Dmitry Torokhov
2021-01-20 6:15 ` Alistair Francis
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