diff options
| author | Alistair Francis <alistair@alistair23.me> | 2023-02-27 05:50:21 +0100 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2023-03-14 04:00:23 +0100 |
| commit | 9628655b1407d810c6b51ad0fba81cc31d0bdb76 (patch) | |
| tree | 6b3e17031121f33cc418d3594b58fd8c8b705c06 /arch/arm/boot/dts/imx7d-remarkable2.dts | |
| parent | ARM: dts: imx6dl-yapp4: Use reset-gpios property name (diff) | |
| download | linux-9628655b1407d810c6b51ad0fba81cc31d0bdb76.tar.xz linux-9628655b1407d810c6b51ad0fba81cc31d0bdb76.zip | |
ARM: dts: imx7d-remarkable2: Enable the cyttsp5
Add support for the cyttsp5 touchscreen controller for the reMarkable 2.
Signed-off-by: Alistair Francis <alistair@alistair23.me>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm/boot/dts/imx7d-remarkable2.dts')
| -rw-r--r-- | arch/arm/boot/dts/imx7d-remarkable2.dts | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx7d-remarkable2.dts b/arch/arm/boot/dts/imx7d-remarkable2.dts index 8b2f11e85e05..288fc8611117 100644 --- a/arch/arm/boot/dts/imx7d-remarkable2.dts +++ b/arch/arm/boot/dts/imx7d-remarkable2.dts @@ -8,6 +8,7 @@ /dts-v1/; #include "imx7d.dtsi" +#include <dt-bindings/input/linux-event-codes.h> / { model = "reMarkable 2.0"; @@ -69,6 +70,17 @@ startup-delay-us = <100000>; /* 100 ms */ }; + reg_touch: regulator-touch { + compatible = "regulator-fixed"; + regulator-name = "VDD_3V3_TOUCH"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_touch_reg>; + gpio = <&gpio1 11 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + wifi_pwrseq: wifi_pwrseq { compatible = "mmc-pwrseq-simple"; pinctrl-names = "default"; @@ -106,6 +118,68 @@ }; }; +&i2c3 { + clock-frequency = <100000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c3>; + status = "okay"; + + touchscreen@24 { + compatible = "cypress,tt21000"; + reg = <0x24>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_touch>; + interrupt-parent = <&gpio1>; + interrupts = <14 IRQ_TYPE_EDGE_FALLING>; + reset-gpios = <&gpio1 13 GPIO_ACTIVE_LOW>; + vdd-supply = <®_touch>; + touchscreen-size-x = <880>; + touchscreen-size-y = <1280>; + #address-cells = <1>; + #size-cells = <0>; + + button@0 { + reg = <0>; + linux,keycodes = <KEY_HOMEPAGE>; + }; + + button@1 { + reg = <1>; + linux,keycodes = <KEY_MENU>; + }; + + button@2 { + reg = <2>; + linux,keycodes = <KEY_BACK>; + }; + + button@3 { + reg = <3>; + linux,keycodes = <KEY_SEARCH>; + }; + + button@4 { + reg = <4>; + linux,keycodes = <KEY_VOLUMEDOWN>; + }; + + button@5 { + reg = <5>; + linux,keycodes = <KEY_VOLUMEUP>; + }; + + button@6 { + reg = <6>; + linux,keycodes = <KEY_CAMERA>; + }; + + button@7 { + reg = <7>; + linux,keycodes = <KEY_POWER>; + }; + }; +}; + &i2c4 { clock-frequency = <100000>; pinctrl-names = "default", "sleep"; @@ -232,6 +306,15 @@ >; }; + pinctrl_touch: touchgrp { + fsl,pins = < + /* CYTTSP interrupt */ + MX7D_PAD_GPIO1_IO14__GPIO1_IO14 0x54 + /* CYTTSP reset */ + MX7D_PAD_GPIO1_IO13__GPIO1_IO13 0x04 + >; + }; + pinctrl_i2c1: i2c1grp { fsl,pins = < MX7D_PAD_I2C1_SDA__I2C1_SDA 0x4000007f @@ -239,6 +322,13 @@ >; }; + pinctrl_i2c3: i2c3grp { + fsl,pins = < + MX7D_PAD_I2C3_SDA__I2C3_SDA 0x4000007f + MX7D_PAD_I2C3_SCL__I2C3_SCL 0x4000007f + >; + }; + pinctrl_i2c4: i2c4grp { fsl,pins = < MX7D_PAD_I2C4_SDA__I2C4_SDA 0x4000007f @@ -246,6 +336,13 @@ >; }; + 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 |