// SPDX-License-Identifier: (GPL-2.0)
/*
 * Device tree for the Kobo Clara 2E rev B ebook reader
 *
 * Name on mainboard is: 37NB-E60K2M+4B0
 * Serials start with: E60K2M (a number also seen in
 * vendor kernel sources)
 *
 * Copyright 2024 Andreas Kemnade
 */

/dts-v1/;

#include "imx6sll-kobo-clara2e-common.dtsi"

/ {
	model = "Kobo Clara 2E";
	compatible = "kobo,clara2e-b", "kobo,clara2e", "fsl,imx6sll";

	epd_pmic_supply: regulator-epd-pmic-in {
		compatible = "regulator-fixed";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_epd_pmic_supply>;
		regulator-name = "epd_pmic_supply";
		gpio = <&gpio2 14 GPIO_ACTIVE_HIGH>;
		enable-active-high;
		startup-delay-us = <20000>;
	};
};

&i2c2 {
	jd9930: pmic@18 {
		compatible = "fitipower,jd9930", "fitipower,fp9931";
		reg = <0x18>;
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_jd9930_gpio>;
		vin-supply = <&epd_pmic_supply>;
		pg-gpios = <&gpio2 7 GPIO_ACTIVE_HIGH>;
		en-ts-gpios = <&gpio2 9 GPIO_ACTIVE_HIGH>;
		enable-gpios = <&gpio2 8 GPIO_ACTIVE_HIGH>;
		fitipower,tdly-ms = <2 2 2 2>;

		regulators {
			vcom_reg: vcom {
				regulator-name = "vcom";
				/*
				 * For optimal performance these should be
				 * tuned on a per batch basis e.g. using
				 * overlays.
				 */
				regulator-min-microvolt = <2352840>;
				regulator-max-microvolt = <2352840>;
			};

			vposneg_reg: vposneg {
				regulator-name = "vposneg";
				regulator-min-microvolt = <15060000>;
				regulator-max-microvolt = <15060000>;
			};

			v3p3_reg: v3p3 {
				regulator-name = "v3p3";
			};
		};
	};
};

&iomuxc {
	pinctrl_jd9930_gpio: jd9930-gpiogrp {
		fsl,pins = <
			MX6SLL_PAD_EPDC_PWR_CTRL0__GPIO2_IO07	0x17059 /* PG */
			MX6SLL_PAD_EPDC_PWR_CTRL1__GPIO2_IO08	0x40010059 /* EN */
			MX6SLL_PAD_EPDC_PWR_CTRL2__GPIO2_IO09	0x40010059 /* EN_TS */
		>;
	};

	pinctrl_epd_pmic_supply: epd-pmic-supplygrp {
		fsl,pins = <
			MX6SLL_PAD_EPDC_PWR_WAKE__GPIO2_IO14	0x40010059
		>;
	};
};