// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Copyright (C) 2015 Freescale Semiconductor, Inc.
* Copyright (C) 2019 reMarkable AS - http://www.remarkable.com/
*
*/
/dts-v1/;
#include "imx7d.dtsi"
#include <dt-bindings/input/linux-event-codes.h>
/ {
model = "reMarkable 2.0";
compatible = "remarkable,imx7d-remarkable2", "fsl,imx7d";
chosen {
stdout-path = &uart6;
};
memory@80000000 {
device_type = "memory";
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";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_brcm_reg>;
gpio = <&gpio6 13 GPIO_ACTIVE_HIGH>;
enable-active-high;
startup-delay-us = <150>;
};
reg_digitizer: regulator-digitizer {
compatible = "regulator-fixed";
regulator-name = "VDD_3V3_DIGITIZER";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
pinctrl-names = "default", "sleep";
pinctrl-0 = <&pinctrl_digitizer_reg>;
pinctrl-1 = <&pinctrl_digitizer_reg>;
gpio = <&gpio1 6 GPIO_ACTIVE_HIGH>;
enable-active-high;
startup-delay-us = <100000>; /* 100 ms */
};
reg_touch: regulator-touch {
compatible = "regulator-fixed";
regulator-name = "VDD_3V3_TOUCH";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_touch_reg>;
gpio = <&gpio1 11 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
wifi_pwrseq: wifi_pwrseq {
compatible = "mmc-pwrseq-simple";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_wifi>;
reset-gpios = <&gpio5 9 GPIO_ACTIVE_LOW>;
clocks = <&clks IMX7D_CLKO2_ROOT_DIV>;
clock-names = "ext_clock";
};
};
&cpu0 {
cpu-supply = <&buck1>;
};
&clks {
assigned-clocks = <&clks IMX7D_CLKO2_ROOT_SRC>,
<&clks IMX7D_CLKO2_ROOT_DIV>;
assigned-clock-parents = <&clks IMX7D_CKIL>;
assigned-clock-rates = <0>, <32768>;
};
&i2c1 {
clock-frequency = <400000>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c1>;
status = "okay";
wacom_digitizer: digitizer@9 {
compatible = "hid-over-i2c";
reg = <0x09>;
hid-descr-addr = <0x01>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_wacom>;
interrupt-parent = <&gpio1>;
interrupts = <1 IRQ_TYPE_LEVEL_LOW>;
touchscreen-inverted-x;
touchscreen-inverted-y;
vdd-supply = <®_digitizer>;
};
};
&i2c2 {
clock-frequency = <100000>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c2>;
status = "okay";
bd71815: pmic@4b {
compatible = "rohm,bd71815";
reg = <0x4b>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_bd71815>;
interrupt-parent = <&gpio6>; /* PMIC_INT_B GPIO6_IO16 */
interrupts = <16 IRQ_TYPE_LEVEL_LOW>;
gpio-controller;
clocks = <&clks IMX7D_CLKO2_ROOT_SRC>;
clock-output-names = "bd71815-32k-out";
#clock-cells = <0>;
#gpio-cells = <2>;
regulators {
buck1: buck1 {
regulator-name = "buck1";
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <2000000>;
regulator-boot-on;
regulator-always-on;
regulator-ramp-delay = <1250>;
};
buck2: buck2 {
regulator-name = "buck2";
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <2000000>;
regulator-boot-on;
regulator-always-on;
regulator-ramp-delay = <1250>;
};
buck3: buck3 {
regulator-name = "buck3";
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <2700000>;
regulator-boot-on;
regulator-always-on;
};
buck4: buck4 {
regulator-name = "buck4";
regulator-min-microvolt = <1100000>;
regulator-max-microvolt = <1850000>;
regulator-boot-on;
regulator-always-on;
};
buck5: buck5 {
regulator-name = "buck5";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
};
ldo1: ldo1 {
regulator-name = "ldo1";
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
};
ldo2: ldo2 {
regulator-name = "ldo2";
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
};
ldo3: ldo3 {
regulator-name = "ldo3";
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
};
ldo4: ldo4 {
regulator-name = "ldo4";
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
};
ldo5: ldo5 {
regulator-name = "ldo5";
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
};
ldo6: ldodvref {
regulator-name = "ldodvref";
regulator-boot-on;
regulator-always-on;
};
ldo7: ldolpsr {
regulator-name = "ldolpsr";
regulator-boot-on;
regulator-always-on;
};
boost: wled {
regulator-name = "wled";
regulator-min-microamp = <10>;
regulator-max-microamp = <25000>;
regulator-boot-on;
regulator-always-on;
};
};
};
};
&i2c3 {
clock-frequency = <100000>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c3>;
status = "okay";
touchscreen@24 {
compatible = "cypress,tt21000";
reg = <0x24>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_touch>;
interrupt-parent = <&gpio1>;
interrupts = <14 IRQ_TYPE_EDGE_FALLING>;
reset-gpios = <&gpio1 13 GPIO_ACTIVE_LOW>;
vdd-supply = <®_touch>;
touchscreen-size-x = <880>;
touchscreen-size-y = <1280>;
#address-cells = <1>;
#size-cells = <0>;
button@0 {
reg = <0>;
linux,keycodes = <KEY_HOMEPAGE>;
};
button@1 {
reg = <1>;
linux,keycodes = <KEY_MENU>;
};
button@2 {
reg = <2>;
linux,keycodes = <KEY_BACK>;
};
button@3 {
reg = <3>;
linux,keycodes = <KEY_SEARCH>;
};
button@4 {
reg = <4>;
linux,keycodes = <KEY_VOLUMEDOWN>;
};
button@5 {
reg = <5>;
linux,keycodes = <KEY_VOLUMEUP>;
};
button@6 {
reg = <6>;
linux,keycodes = <KEY_CAMERA>;
};
button@7 {
reg = <7>;
linux,keycodes = <KEY_POWER>;
};
};
};
&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>;
#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";
};
&uart1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart1>;
assigned-clocks = <&clks IMX7D_UART1_ROOT_SRC>;
assigned-clock-parents = <&clks IMX7D_OSC_24M_CLK>;
status = "okay";
};
&uart6 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart6>;
assigned-clocks = <&clks IMX7D_UART6_ROOT_SRC>;
assigned-clock-parents = <&clks IMX7D_OSC_24M_CLK>;
status = "okay";
};
&usbotg2 {
srp-disable;
hnp-disable;
status = "okay";
};
&usdhc2 {
#address-cells = <1>;
#size-cells = <0>;
pinctrl-names = "default", "state_100mhz", "state_200mhz", "sleep";
pinctrl-0 = <&pinctrl_usdhc2>;
pinctrl-1 = <&pinctrl_usdhc2_100mhz>;
pinctrl-2 = <&pinctrl_usdhc2_200mhz>;
mmc-pwrseq = <&wifi_pwrseq>;
vmmc-supply = <®_brcm>;
bus-width = <4>;
non-removable;
keep-power-in-suspend;
cap-power-off-card;
status = "okay";
brcmf: bcrmf@1 {
reg = <1>;
compatible = "brcm,bcm4329-fmac";
};
};
&usdhc3 {
pinctrl-names = "default", "state_100mhz", "state_200mhz", "sleep";
pinctrl-0 = <&pinctrl_usdhc3>;
pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
pinctrl-3 = <&pinctrl_usdhc3>;
assigned-clocks = <&clks IMX7D_USDHC3_ROOT_CLK>;
assigned-clock-rates = <400000000>;
bus-width = <8>;
non-removable;
status = "okay";
};
&wdog1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_wdog>;
fsl,ext-reset-output;
};
&iomuxc_lpsr {
pinctrl_digitizer_reg: digitizerreggrp {
fsl,pins = <
/* DIGITIZER_PWR_EN */
MX7D_PAD_LPSR_GPIO1_IO06__GPIO1_IO6 0x14
>;
};
pinctrl_wacom: wacomgrp {
fsl,pins = <
/*MX7D_PAD_LPSR_GPIO1_IO05__GPIO1_IO5 0x00000014 FWE */
MX7D_PAD_LPSR_GPIO1_IO04__GPIO1_IO4 0x00000074 /* PDCTB */
MX7D_PAD_LPSR_GPIO1_IO01__GPIO1_IO1 0x00000034 /* WACOM INT */
/*MX7D_PAD_LPSR_GPIO1_IO06__GPIO1_IO6 0x00000014 WACOM PWR ENABLE */
/*MX7D_PAD_LPSR_GPIO1_IO00__GPIO1_IO0 0x00000074 WACOM RESET */
>;
};
};
&iomuxc {
pinctrl_bd71815: bd71815grp {
fsl,pins = <
MX7D_PAD_SAI1_RX_SYNC__GPIO6_IO16 0x59
>;
};
pinctrl_brcm_reg: brcmreggrp {
fsl,pins = <
/* WIFI_PWR_EN */
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_touch: touchgrp {
fsl,pins = <
/* CYTTSP interrupt */
MX7D_PAD_GPIO1_IO14__GPIO1_IO14 0x54
/* CYTTSP reset */
MX7D_PAD_GPIO1_IO13__GPIO1_IO13 0x04
>;
};
pinctrl_i2c1: i2c1grp {
fsl,pins = <
MX7D_PAD_I2C1_SDA__I2C1_SDA 0x4000007f
MX7D_PAD_I2C1_SCL__I2C1_SCL 0x4000007f
>;
};
pinctrl_i2c2: i2c2grp {
fsl,pins = <
MX7D_PAD_I2C2_SDA__I2C2_SDA 0x4000007f
MX7D_PAD_I2C2_SCL__I2C2_SCL 0x4000007f
>;
};
pinctrl_i2c3: i2c3grp {
fsl,pins = <
MX7D_PAD_I2C3_SDA__I2C3_SDA 0x4000007f
MX7D_PAD_I2C3_SCL__I2C3_SCL 0x4000007f
>;
};
pinctrl_i2c4: i2c4grp {
fsl,pins = <
MX7D_PAD_I2C4_SDA__I2C4_SDA 0x4000007f
MX7D_PAD_I2C4_SCL__I2C4_SCL 0x4000007f
>;
};
pinctrl_touch_reg: touchreggrp {
fsl,pins = <
/* TOUCH_PWR_EN */
MX7D_PAD_GPIO1_IO11__GPIO1_IO11 0x14
>;
};
pinctrl_uart1: uart1grp {
fsl,pins = <
MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX 0x79
MX7D_PAD_UART1_RX_DATA__UART1_DCE_RX 0x79
>;
};
pinctrl_uart6: uart6grp {
fsl,pins = <
MX7D_PAD_EPDC_DATA09__UART6_DCE_TX 0x79
MX7D_PAD_EPDC_DATA08__UART6_DCE_RX 0x79
>;
};
pinctrl_usdhc2: usdhc2grp {
fsl,pins = <
MX7D_PAD_SD2_CMD__SD2_CMD 0x59
MX7D_PAD_SD2_CLK__SD2_CLK 0x19
MX7D_PAD_SD2_DATA0__SD2_DATA0 0x59
MX7D_PAD_SD2_DATA1__SD2_DATA1 0x59
MX7D_PAD_SD2_DATA2__SD2_DATA2 0x59
MX7D_PAD_SD2_DATA3__SD2_DATA3 0x59
>;
};
pinctrl_usdhc2_100mhz: usdhc2grp_100mhz {
fsl,pins = <
MX7D_PAD_SD2_CMD__SD2_CMD 0x5a
MX7D_PAD_SD2_CLK__SD2_CLK 0x1a
MX7D_PAD_SD2_DATA0__SD2_DATA0 0x5a
MX7D_PAD_SD2_DATA1__SD2_DATA1 0x5a
MX7D_PAD_SD2_DATA2__SD2_DATA2 0x5a
MX7D_PAD_SD2_DATA3__SD2_DATA3 0x5a
>;
};
pinctrl_usdhc2_200mhz: usdhc2grp_200mhz {
fsl,pins = <
MX7D_PAD_SD2_CMD__SD2_CMD 0x5b
MX7D_PAD_SD2_CLK__SD2_CLK 0x1b
MX7D_PAD_SD2_DATA0__SD2_DATA0 0x5b
MX7D_PAD_SD2_DATA1__SD2_DATA1 0x5b
MX7D_PAD_SD2_DATA2__SD2_DATA2 0x5b
MX7D_PAD_SD2_DATA3__SD2_DATA3 0x5b
>;
};
pinctrl_usdhc3: usdhc3grp {
fsl,pins = <
MX7D_PAD_SD3_CMD__SD3_CMD 0x59
MX7D_PAD_SD3_CLK__SD3_CLK 0x19
MX7D_PAD_SD3_DATA0__SD3_DATA0 0x59
MX7D_PAD_SD3_DATA1__SD3_DATA1 0x59
MX7D_PAD_SD3_DATA2__SD3_DATA2 0x59
MX7D_PAD_SD3_DATA3__SD3_DATA3 0x59
MX7D_PAD_SD3_DATA4__SD3_DATA4 0x59
MX7D_PAD_SD3_DATA5__SD3_DATA5 0x59
MX7D_PAD_SD3_DATA6__SD3_DATA6 0x59
MX7D_PAD_SD3_DATA7__SD3_DATA7 0x59
MX7D_PAD_SD3_STROBE__SD3_STROBE 0x19
>;
};
pinctrl_usdhc3_100mhz: usdhc3grp_100mhz {
fsl,pins = <
MX7D_PAD_SD3_CMD__SD3_CMD 0x5a
MX7D_PAD_SD3_CLK__SD3_CLK 0x1a
MX7D_PAD_SD3_DATA0__SD3_DATA0 0x5a
MX7D_PAD_SD3_DATA1__SD3_DATA1 0x5a
MX7D_PAD_SD3_DATA2__SD3_DATA2 0x5a
MX7D_PAD_SD3_DATA3__SD3_DATA3 0x5a
MX7D_PAD_SD3_DATA4__SD3_DATA4 0x5a
MX7D_PAD_SD3_DATA5__SD3_DATA5 0x5a
MX7D_PAD_SD3_DATA6__SD3_DATA6 0x5a
MX7D_PAD_SD3_DATA7__SD3_DATA7 0x5a
MX7D_PAD_SD3_STROBE__SD3_STROBE 0x1a
>;
};
pinctrl_usdhc3_200mhz: usdhc3grp_200mhz {
fsl,pins = <
MX7D_PAD_SD3_CMD__SD3_CMD 0x5b
MX7D_PAD_SD3_CLK__SD3_CLK 0x1b
MX7D_PAD_SD3_DATA0__SD3_DATA0 0x5b
MX7D_PAD_SD3_DATA1__SD3_DATA1 0x5b
MX7D_PAD_SD3_DATA2__SD3_DATA2 0x5b
MX7D_PAD_SD3_DATA3__SD3_DATA3 0x5b
MX7D_PAD_SD3_DATA4__SD3_DATA4 0x5b
MX7D_PAD_SD3_DATA5__SD3_DATA5 0x5b
MX7D_PAD_SD3_DATA6__SD3_DATA6 0x5b
MX7D_PAD_SD3_DATA7__SD3_DATA7 0x5b
MX7D_PAD_SD3_STROBE__SD3_STROBE 0x1b
>;
};
pinctrl_wdog: wdoggrp {
fsl,pins = <
MX7D_PAD_ENET1_COL__WDOG1_WDOG_ANY 0x74
>;
};
pinctrl_wifi: wifigrp {
fsl,pins = <
/* WiFi Reg On */
MX7D_PAD_SD2_CD_B__GPIO5_IO9 0x00000014
/* WiFi Sleep 32k */
MX7D_PAD_SD1_WP__CCM_CLKO2 0x00000014
>;
};
};