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Message-Id: <20210117042539.1609-5-alistair@alistair23.me>
Date: Sat, 16 Jan 2021 20:25:38 -0800
From: Alistair Francis <alistair@...stair23.me>
To: lee.jones@...aro.org, robh+dt@...nel.org, lgirdwood@...il.com,
broonie@...nel.org, linux-imx@....com, kernel@...gutronix.de
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
alistair23@...il.com, Alistair Francis <alistair@...stair23.me>
Subject: [PATCH 5/6] arch/arm: reMarkable2: Enable silergy,sy7636a
Enable the silergy,sy7636a and silergy,sy7636a-regulator on the
reMarkable2.
Signed-off-by: Alistair Francis <alistair@...stair23.me>
---
arch/arm/boot/dts/imx7d-remarkable2.dts | 61 +++++++++++++++++++++++++
arch/arm/configs/remarkable2_defconfig | 2 +
2 files changed, 63 insertions(+)
diff --git a/arch/arm/boot/dts/imx7d-remarkable2.dts b/arch/arm/boot/dts/imx7d-remarkable2.dts
index 8052d884a5e5..f419ab704f06 100644
--- a/arch/arm/boot/dts/imx7d-remarkable2.dts
+++ b/arch/arm/boot/dts/imx7d-remarkable2.dts
@@ -58,6 +58,27 @@ memory {
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_vref_1v8: regulator-vref-1v8 {
compatible = "regulator-fixed";
regulator-name = "vref-1v8";
@@ -174,6 +195,32 @@ digitizer: wacom-i2c@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;
+ };
+ };
+ };
+};
+
&sdma {
status = "okay";
};
@@ -277,6 +324,13 @@ 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
@@ -389,6 +443,13 @@ MX7D_PAD_SD1_WP__CCM_CLKO2 0x00000014
>;
};
+ pinctrl_epdpmic: epdpmicgrp {
+ fsl,pins = <
+ MX7D_PAD_SAI2_RX_DATA__GPIO6_IO21 0x00000074
+ MX7D_PAD_ENET1_RGMII_TXC__GPIO7_IO11 0x00000014
+ >;
+ };
+
pinctrl_wdog: wdoggrp {
fsl,pins = <
MX7D_PAD_ENET1_COL__WDOG1_WDOG_ANY 0x74
diff --git a/arch/arm/configs/remarkable2_defconfig b/arch/arm/configs/remarkable2_defconfig
index 8c9785555cda..6306568772c3 100644
--- a/arch/arm/configs/remarkable2_defconfig
+++ b/arch/arm/configs/remarkable2_defconfig
@@ -193,6 +193,7 @@ CONFIG_MFD_MC13XXX_SPI=y
CONFIG_MFD_MC13XXX_I2C=y
CONFIG_MFD_SI476X_CORE=y
CONFIG_MFD_STMPE=y
+CONFIG_MFD_SY7636A=y
CONFIG_REGULATOR=y
CONFIG_REGULATOR_FIXED_VOLTAGE=y
CONFIG_REGULATOR_ANATOP=y
@@ -201,6 +202,7 @@ CONFIG_REGULATOR_GPIO=y
CONFIG_REGULATOR_MC13783=y
CONFIG_REGULATOR_MC13892=y
CONFIG_REGULATOR_PFUZE100=y
+CONFIG_REGULATOR_SY7636A=y
CONFIG_MEDIA_SUPPORT=y
CONFIG_MEDIA_USB_SUPPORT=y
CONFIG_USB_VIDEO_CLASS=m
--
2.29.2
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