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ARM: dts: imx: e70k02: add sy7636

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Add the EPD PMIC for the e70k02 based devices as a step towards full EPD
support.

Acked-by: Alistair Francis <alistair@alistair23.me>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Andreas Kemnade <akemnade@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Andreas Kemnade
2025-10-28 16:00:36 +01:00
committed by Shawn Guo
parent 2f185905da
commit e58a429680
3 changed files with 72 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
arch/arm/boot/dts/nxp/imx/e70k02.dtsi
View File

@@ -69,6 +69,14 @@
reg = <0x80000000 0x20000000>;
};
epd_pmic_supply: regulator-epd-pmic-in {
compatible = "regulator-fixed";
regulator-name = "epd_pmic_supply";
gpio = <&gpio2 14 GPIO_ACTIVE_HIGH>;
enable-active-high;
startup-delay-us = <20000>;
};
reg_wifi: regulator-wifi {
compatible = "regulator-fixed";
regulator-name = "SD3_SPWR";
@@ -133,7 +141,22 @@
vdd-supply = <&ldo5_reg>;
};
/* TODO: SY7636 PMIC for E Ink at 0x62 */
sy7636: pmic@62 {
compatible = "silergy,sy7636a";
reg = <0x62>;
enable-gpios = <&gpio2 8 GPIO_ACTIVE_HIGH>;
vcom-en-gpios = <&gpio2 3 GPIO_ACTIVE_HIGH>;
epd-pwr-good-gpios = <&gpio2 13 GPIO_ACTIVE_HIGH>;
vin-supply = <&epd_pmic_supply>;
#thermal-sensor-cells = <0>;
regulators {
reg_epdpmic: vcom {
regulator-name = "vcom";
};
};
};
};

24
arch/arm/boot/dts/nxp/imx/imx6sl-tolino-vision5.dts
View File

@@ -26,6 +26,11 @@
compatible = "kobo,tolino-vision5", "fsl,imx6sl";
};
&epd_pmic_supply {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_epd_pmic_supply>;
};
&gpio_keys {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_gpio_keys>;
@@ -59,6 +64,12 @@
>;
};
pinctrl_epd_pmic_supply: epd-pmic-supplygrp {
fsl,pins = <
MX6SL_PAD_EPDC_PWRWAKEUP__GPIO2_IO14 0x40010059
>;
};
pinctrl_gpio_keys: gpio-keysgrp {
fsl,pins = <
MX6SL_PAD_FEC_CRS_DV__GPIO4_IO25 0x17059 /* PWR_SW */
@@ -159,6 +170,14 @@
>;
};
pinctrl_sy7636_gpio: sy7636-gpiogrp {
fsl,pins = <
MX6SL_PAD_EPDC_VCOM0__GPIO2_IO03 0x40010059 /* VCOM_CTRL */
MX6SL_PAD_EPDC_PWRCTRL1__GPIO2_IO08 0x40010059 /* EN */
MX6SL_PAD_EPDC_PWRSTAT__GPIO2_IO13 0x17059 /* PWR_GOOD */
>;
};
pinctrl_uart1: uart1grp {
fsl,pins = <
MX6SL_PAD_UART1_TXD__UART1_TX_DATA 0x1b0b1
@@ -329,6 +348,11 @@
pinctrl-0 = <&pinctrl_ricoh_gpio>;
};
&sy7636 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_sy7636_gpio>;
};
&uart1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart1>;

24
arch/arm/boot/dts/nxp/imx/imx6sll-kobo-librah2o.dts
View File

@@ -36,6 +36,11 @@
soc-supply = <&dcdc1_reg>;
};
&epd_pmic_supply {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_epd_pmic_supply>;
};
&gpio_keys {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_gpio_keys>;
@@ -69,6 +74,12 @@
>;
};
pinctrl_epd_pmic_supply: epd-pmic-supplygrp {
fsl,pins = <
MX6SLL_PAD_EPDC_PWR_WAKE__GPIO2_IO14 0x40010059
>;
};
pinctrl_gpio_keys: gpio-keysgrp {
fsl,pins = <
MX6SLL_PAD_GPIO4_IO25__GPIO4_IO25 0x17059 /* PWR_SW */
@@ -169,6 +180,14 @@
>;
};
pinctrl_sy7636_gpio: sy7636-gpiogrp {
fsl,pins = <
MX6SLL_PAD_EPDC_VCOM0__GPIO2_IO03 0x40010059 /* VCOM_CTRL */
MX6SLL_PAD_EPDC_PWR_CTRL1__GPIO2_IO08 0x40010059 /* EN */
MX6SLL_PAD_EPDC_PWR_STAT__GPIO2_IO13 0x17059 /* PWR_GOOD */
>;
};
pinctrl_uart1: uart1grp {
fsl,pins = <
MX6SLL_PAD_UART1_TXD__UART1_DCE_TX 0x1b0b1
@@ -319,6 +338,11 @@
pinctrl-0 = <&pinctrl_ricoh_gpio>;
};
&sy7636 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_sy7636_gpio>;
};
&uart1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart1>;