@@ -86,6 +86,34 @@ wacom_digitizer: digitizer@9 {
};
};
+&i2c4 {
+ clock-frequency = <100000>;
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&pinctrl_i2c4>;
+ pinctrl-1 = <&pinctrl_i2c4>;
+ status = "okay";
+
+ epd_pmic: sy7636a@62 {
+ compatible = "silergy,sy7636a";
+ reg = <0x62>;
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_epdpmic>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ #thermal-sensor-cells = <0>;
+
+ epd-pwr-good-gpios = <&gpio6 21 GPIO_ACTIVE_HIGH>;
+ regulators {
+ compatible = "silergy,sy7636a-regulator";
+ reg_epdpmic: vcom {
+ regulator-name = "vcom";
+ regulator-boot-on;
+ };
+ };
+ };
+};
+
&snvs_pwrkey {
status = "okay";
};
@@ -179,6 +207,13 @@ MX7D_PAD_SAI1_TX_BCLK__GPIO6_IO13 0x14
>;
};
+ pinctrl_epdpmic: epdpmicgrp {
+ fsl,pins = <
+ MX7D_PAD_SAI2_RX_DATA__GPIO6_IO21 0x00000074
+ MX7D_PAD_ENET1_RGMII_TXC__GPIO7_IO11 0x00000014
+ >;
+ };
+
pinctrl_i2c1: i2c1grp {
fsl,pins = <
MX7D_PAD_I2C1_SDA__I2C1_SDA 0x4000007f
@@ -186,6 +221,13 @@ MX7D_PAD_I2C1_SCL__I2C1_SCL 0x4000007f
>;
};
+ pinctrl_i2c4: i2c4grp {
+ fsl,pins = <
+ MX7D_PAD_I2C4_SDA__I2C4_SDA 0x4000007f
+ MX7D_PAD_I2C4_SCL__I2C4_SCL 0x4000007f
+ >;
+ };
+
pinctrl_uart1: uart1grp {
fsl,pins = <
MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX 0x79
Enable the silergy,sy7636a and silergy,sy7636a-regulator on the reMarkable2. Signed-off-by: Alistair Francis <alistair@alistair23.me> --- arch/arm/boot/dts/imx7d-remarkable2.dts | 42 +++++++++++++++++++++++++ 1 file changed, 42 insertions(+)