| // 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 |
| >; |
| }; |
| }; |