forked from Minki/linux
0561cba77c
The firmware leaves the pins in GPIO mode. Until we have a proper pinmux driver hooked on we just need to bitbang SPI. No big deal, this is just used for the power button and performance is not important. Signed-off-by: Lubomir Rintel <lkundrak@v3.sk> Link: https://lore.kernel.org/r/20210121034130.1381872-12-lkundrak@v3.sk' Signed-off-by: Arnd Bergmann <arnd@arndb.de>
152 lines
2.4 KiB
Plaintext
152 lines
2.4 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
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/*
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* Dell Wyse 3020 a.k.a. "Ariel" a.k.a. Tx0D (T00D, T10D)
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*
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* Copyright (C) 2019 Lubomir Rintel <lkundrak@v3.sk>
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*/
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/dts-v1/;
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#include "mmp3.dtsi"
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/interrupt-controller/irq.h>
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/ {
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model = "Dell Ariel";
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compatible = "dell,wyse-ariel", "marvell,mmp3";
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aliases {
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serial2 = &uart3;
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};
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chosen {
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#address-cells = <0x1>;
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#size-cells = <0x1>;
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ranges;
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bootargs = "earlyprintk=ttyS2,115200 console=ttyS2,115200";
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};
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memory@0 {
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available = <0x7f700000 0x7ff00000 0x00000000 0x7f600000>;
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reg = <0x0 0x80000000>;
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device_type = "memory";
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};
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ec_input_spi: spi {
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compatible = "spi-gpio";
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#address-cells = <1>;
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#size-cells = <0>;
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num-chipselects = <0>;
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sck-gpios = <&gpio 55 GPIO_ACTIVE_HIGH>;
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miso-gpios = <&gpio 57 GPIO_ACTIVE_HIGH>;
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mosi-gpios = <&gpio 58 GPIO_ACTIVE_HIGH>;
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};
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};
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&uart3 {
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status = "okay";
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};
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&rtc {
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status = "okay";
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};
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&usb_otg0 {
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status = "okay";
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};
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&usb_otg_phy0 {
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status = "okay";
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};
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&hsic0 {
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status = "okay";
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usb1@1 {
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compatible = "usb424,2640";
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reg = <0x01>;
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#address-cells = <0x01>;
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#size-cells = <0x00>;
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mass-storage@1 {
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compatible = "usb424,4040";
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reg = <0x01>;
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status = "disabled";
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};
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};
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};
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&hsic_phy0 {
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status = "okay";
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reset-gpios = <&gpio 63 GPIO_ACTIVE_HIGH>;
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};
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&mmc3 {
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status = "okay";
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max-frequency = <50000000>;
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status = "okay";
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bus-width = <8>;
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non-removable;
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cap-mmc-highspeed;
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};
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&twsi1 {
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status = "okay";
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rtc@68 {
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compatible = "dallas,ds1338";
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reg = <0x68>;
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status = "okay";
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};
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};
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&twsi3 {
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status = "okay";
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};
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&twsi4 {
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status = "okay";
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embedded-controller@58 {
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compatible = "dell,wyse-ariel-ec", "ene,kb3930";
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reg = <0x58>;
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system-power-controller;
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off-gpios = <&gpio 126 GPIO_ACTIVE_HIGH>,
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<&gpio 127 GPIO_ACTIVE_HIGH>;
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};
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};
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&ssp1 {
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status = "okay";
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cs-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
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firmware-flash@0 {
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compatible = "winbond,w25q32", "jedec,spi-nor";
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reg = <0>;
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spi-max-frequency = <104000000>;
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m25p,fast-read;
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};
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};
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&ec_input_spi {
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status = "okay";
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cs-gpios = <&gpio 56 GPIO_ACTIVE_LOW>;
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power-button@0 {
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reg = <0>;
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interrupt-parent = <&gpio>;
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interrupts = <60 IRQ_TYPE_EDGE_RISING>;
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compatible = "dell,wyse-ariel-ec-input", "ene,kb3930-input";
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spi-max-frequency = <33000000>;
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};
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};
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&gpu_2d {
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status = "okay";
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};
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&gpu_3d {
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status = "okay";
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};
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