| Message ID | 20221026114908.191472-5-alistair@alistair23.me |
|---|---|
| State | New |
| Headers | show |
| Series | Add support for the Cypress cyttsp5 | expand |
On Wed, Oct 26, 2022 at 09:49:08PM +1000, Alistair Francis wrote: > Add support for the cyttsp5 touchscreen controller for the reMarkable 2. > > Signed-off-by: Alistair Francis <alistair@alistair23.me> > --- > arch/arm/boot/dts/imx7d-remarkable2.dts | 100 ++++++++++++++++++++++++ > 1 file changed, 100 insertions(+) > > diff --git a/arch/arm/boot/dts/imx7d-remarkable2.dts b/arch/arm/boot/dts/imx7d-remarkable2.dts > index a2a91bfdd98e..fea480af8e48 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"; > @@ -47,6 +48,18 @@ reg_digitizer: regulator-digitizer { > 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", "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"; > @@ -84,6 +97,70 @@ wacom_digitizer: digitizer@9 { > }; > }; > > +&i2c3 { > + clock-frequency = <100000>; > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_i2c3>; > + status = "okay"; > + > + tsc@24 { `touchscreen` for node name? > + #address-cells = <1>; > + #size-cells = <0>; > + Unnecessary newline. > + compatible = "cypress,tt21000"; We idiomatically begin property list with compatible. > + reg = <0x24>; > + Unnecessary newline. Shawn > + 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>; > + > + 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>; > + }; > + }; > +}; > + > &snvs_pwrkey { > status = "okay"; > }; > @@ -177,6 +254,15 @@ 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_i2c1: i2c1grp { > fsl,pins = < > MX7D_PAD_I2C1_SDA__I2C1_SDA 0x4000007f > @@ -184,6 +270,20 @@ MX7D_PAD_I2C1_SCL__I2C1_SCL 0x4000007f > >; > }; > > + 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 > -- > 2.37.3 >
diff --git a/arch/arm/boot/dts/imx7d-remarkable2.dts b/arch/arm/boot/dts/imx7d-remarkable2.dts index a2a91bfdd98e..fea480af8e48 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"; @@ -47,6 +48,18 @@ reg_digitizer: regulator-digitizer { 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", "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"; @@ -84,6 +97,70 @@ wacom_digitizer: digitizer@9 { }; }; +&i2c3 { + clock-frequency = <100000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c3>; + status = "okay"; + + tsc@24 { + #address-cells = <1>; + #size-cells = <0>; + + 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>; + + 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>; + }; + }; +}; + &snvs_pwrkey { status = "okay"; }; @@ -177,6 +254,15 @@ 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_i2c1: i2c1grp { fsl,pins = < MX7D_PAD_I2C1_SDA__I2C1_SDA 0x4000007f @@ -184,6 +270,20 @@ MX7D_PAD_I2C1_SCL__I2C1_SCL 0x4000007f >; }; + 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
Add support for the cyttsp5 touchscreen controller for the reMarkable 2. Signed-off-by: Alistair Francis <alistair@alistair23.me> --- arch/arm/boot/dts/imx7d-remarkable2.dts | 100 ++++++++++++++++++++++++ 1 file changed, 100 insertions(+)