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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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26489729a6
Add a device tree for the at91sam9rl-ek. For now it supports: - MMC - dbgu - usart1 - watchdog - nand - leds - buttons Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Acked-by: Boris BREZILLON <b.brezillon.dev@gmail.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
152 lines
2.6 KiB
Plaintext
152 lines
2.6 KiB
Plaintext
/*
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* at91sam9rlek.dts - Device Tree file for Atmel at91sam9rl reference board
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*
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* Copyright (C) 2014 Alexandre Belloni <alexandre.belloni@free-electrons.com>
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*
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* Licensed under GPLv2 only
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*/
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/dts-v1/;
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#include "at91sam9rl.dtsi"
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/ {
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model = "Atmel at91sam9rlek";
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compatible = "atmel,at91sam9rlek", "atmel,at91sam9rl", "atmel,at91sam9";
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chosen {
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bootargs = "console=ttyS0,115200 rootfstype=ubifs root=ubi0:rootfs ubi.mtd=5 rw";
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};
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memory {
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reg = <0x20000000 0x4000000>;
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};
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clocks {
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#address-cells = <1>;
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#size-cells = <1>;
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ranges;
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main_clock: clock {
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compatible = "atmel,osc", "fixed-clock";
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clock-frequency = <12000000>;
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};
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};
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ahb {
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nand0: nand@40000000 {
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nand-bus-width = <8>;
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nand-ecc-mode = "soft";
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nand-on-flash-bbt = <1>;
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status = "okay";
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at91bootstrap@0 {
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label = "at91bootstrap";
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reg = <0x0 0x40000>;
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};
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bootloader@40000 {
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label = "bootloader";
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reg = <0x40000 0x80000>;
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};
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bootloaderenv@c0000 {
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label = "bootloader env";
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reg = <0xc0000 0xc0000>;
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};
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dtb@180000 {
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label = "device tree";
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reg = <0x180000 0x80000>;
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};
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kernel@200000 {
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label = "kernel";
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reg = <0x200000 0x600000>;
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};
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rootfs@800000 {
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label = "rootfs";
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reg = <0x800000 0x0f800000>;
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};
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};
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apb {
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mmc0: mmc@fffa4000 {
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pinctrl-0 = <
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&pinctrl_board_mmc0
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&pinctrl_mmc0_clk
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&pinctrl_mmc0_slot0_cmd_dat0
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&pinctrl_mmc0_slot0_dat1_3>;
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status = "okay";
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slot@0 {
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reg = <0>;
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bus-width = <4>;
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cd-gpios = <&pioA 15 GPIO_ACTIVE_HIGH>;
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};
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};
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usart0: serial@fffb0000 {
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pinctrl-0 = <
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&pinctrl_usart0
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&pinctrl_usart0_rts
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&pinctrl_usart0_cts>;
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status = "okay";
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};
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dbgu: serial@fffff200 {
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status = "okay";
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};
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pinctrl@fffff400 {
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mmc0 {
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pinctrl_board_mmc0: mmc0-board {
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atmel,pins =
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<AT91_PIOA 15 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
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};
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};
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};
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watchdog@fffffd40 {
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status = "okay";
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};
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};
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};
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leds {
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compatible = "gpio-leds";
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ds1 {
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label = "ds1";
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gpios = <&pioD 15 GPIO_ACTIVE_LOW>;
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};
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ds2 {
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label = "ds2";
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gpios = <&pioD 16 GPIO_ACTIVE_LOW>;
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};
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ds3 {
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label = "ds3";
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gpios = <&pioD 14 GPIO_ACTIVE_HIGH>;
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linux,default-trigger = "heartbeat";
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};
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};
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gpio_keys {
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compatible = "gpio-keys";
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right_click {
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label = "right_click";
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gpios = <&pioB 0 GPIO_ACTIVE_LOW>;
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linux,code = <273>;
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gpio-key,wakeup;
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};
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left_click {
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label = "left_click";
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gpios = <&pioB 1 GPIO_ACTIVE_LOW>;
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linux,code = <272>;
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gpio-key,wakeup;
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};
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};
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};
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