ARM: dts: imx7d-remarkable2: Enable silergy,sy7636a

Enable the silergy,sy7636a and silergy,sy7636a-regulator on the
reMarkable2.
Signed-off-by: Alistair Francis <alistair@alistair23.me>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/imx7d-remarkable2.dts

@@ -22,6 +22,28 @@ memory@80000000 {
 		reg = <0x80000000 0x40000000>;
 	};
 
+	thermal-zones {
+		epd-thermal {
+			thermal-sensors = <&sy7636a>;
+			polling-delay-passive = <30000>;
+			polling-delay = <30000>;
+
+			trips {
+				trip0 {
+					temperature = <49000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				trip1 {
+					temperature = <50000>;
+					hysteresis = <2000>;
+					type = "critical";
+				};
+			};
+		};
+	};
+
 	reg_brcm: regulator-brcm {
 		compatible = "regulator-fixed";
 		regulator-name = "brcm_reg";
@@ -84,6 +106,32 @@ wacom_digitizer: digitizer@9 {
 	};
 };
 
+&i2c4 {
+	clock-frequency = <100000>;
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&pinctrl_i2c4>;
+	pinctrl-1 = <&pinctrl_i2c4>;
+	status = "okay";
+
+	sy7636a: pmic@62 {
+		compatible = "silergy,sy7636a";
+		reg = <0x62>;
+		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 {
+			reg_epdpmic: vcom {
+				regulator-name = "vcom";
+				regulator-boot-on;
+			};
+		};
+	};
+};
+
 &snvs_pwrkey {
 	status = "okay";
 };
@@ -177,6 +225,13 @@ 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
@@ -184,6 +239,13 @@ 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