// 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 / { 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 = ; }; button@1 { reg = <1>; linux,keycodes = ; }; button@2 { reg = <2>; linux,keycodes = ; }; button@3 { reg = <3>; linux,keycodes = ; }; button@4 { reg = <4>; linux,keycodes = ; }; button@5 { reg = <5>; linux,keycodes = ; }; button@6 { reg = <6>; linux,keycodes = ; }; button@7 { reg = <7>; linux,keycodes = ; }; }; }; &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: usdhc2-100mhz-grp { 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: usdhc2-200mhz-grp { 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: usdhc3-100mhz-grp { 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: usdhc3-200mhz-grp { 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 >; }; };