Enable the silergy,sy7636a and silergy,sy7636a-regulator on the
reMarkable2.

Signed-off-by: Alistair Francis <alist...@alistair23.me>
---
 arch/arm/boot/dts/imx7d-remarkable2.dts | 61 +++++++++++++++++++++++++
 1 file changed, 61 insertions(+)

diff --git a/arch/arm/boot/dts/imx7d-remarkable2.dts 
b/arch/arm/boot/dts/imx7d-remarkable2.dts
index ea1dd41023f9..bdfc658d89db 100644
--- a/arch/arm/boot/dts/imx7d-remarkable2.dts
+++ b/arch/arm/boot/dts/imx7d-remarkable2.dts
@@ -22,6 +22,27 @@ memory@80000000 {
                reg = <0x80000000 0x40000000>;
        };
 
+       thermal-zones {
+               epd-thermal {
+                       thermal-sensors = <&epd_pmic>;
+                       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";
@@ -86,6 +107,32 @@ 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>;
+               #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 +226,13 @@ 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 +240,13 @@ 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
-- 
2.31.1

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