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Commit 26489729 authored by Alexandre Belloni's avatar Alexandre Belloni Committed by Nicolas Ferre
Browse files

ARM: at91: dt: sam9rl: Device Tree for the at91sam9rlek 



Add a device tree for the at91sam9rl-ek. For now it supports:
 - MMC
 - dbgu
 - usart1
 - watchdog
 - nand
 - leds
 - buttons

Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: default avatarBoris BREZILLON <b.brezillon.dev@gmail.com>
Signed-off-by: default avatarNicolas Ferre <nicolas.ferre@atmel.com>
parent 188e4fe3

arch/arm/boot/dts/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -29,6 +29,8 @@ dtb-$(CONFIG_ARCH_AT91) += at91sam9m10g45ek.dtb 
dtb-$(CONFIG_ARCH_AT91) += pm9g45.dtb

# sam9n12

dtb-$(CONFIG_ARCH_AT91) += at91sam9n12ek.dtb

# sam9rl

dtb-$(CONFIG_ARCH_AT91) += at91sam9rlek.dtb

# sam9x5

dtb-$(CONFIG_ARCH_AT91) += at91-ariag25.dtb

dtb-$(CONFIG_ARCH_AT91) += at91-cosino_mega2560.dtb

arch/arm/boot/dts/at91sam9rlek.dts

0 → 100644
+151 −0
Original line number Diff line number Diff line 
/*

 * at91sam9rlek.dts - Device Tree file for Atmel at91sam9rl reference board

 *

 *  Copyright (C) 2014  Alexandre Belloni <alexandre.belloni@free-electrons.com>

 *

 * Licensed under GPLv2 only

 */

/dts-v1/;

#include "at91sam9rl.dtsi"



/ {

	model = "Atmel at91sam9rlek";

	compatible = "atmel,at91sam9rlek", "atmel,at91sam9rl", "atmel,at91sam9";



	chosen {

		bootargs = "console=ttyS0,115200 rootfstype=ubifs root=ubi0:rootfs ubi.mtd=5 rw";

	};



	memory {

		reg = <0x20000000 0x4000000>;

	};



	clocks {

		#address-cells = <1>;

		#size-cells = <1>;

		ranges;



		main_clock: clock {

			compatible = "atmel,osc", "fixed-clock";

			clock-frequency = <12000000>;

		};

	};



	ahb {

		nand0: nand@40000000 {

			nand-bus-width = <8>;

			nand-ecc-mode = "soft";

			nand-on-flash-bbt = <1>;

			status = "okay";



			at91bootstrap@0 {

				label = "at91bootstrap";

				reg = <0x0 0x40000>;

			};



			bootloader@40000 {

				label = "bootloader";

				reg = <0x40000 0x80000>;

			};



			bootloaderenv@c0000 {

				label = "bootloader env";

				reg = <0xc0000 0xc0000>;

			};



			dtb@180000 {

				label = "device tree";

				reg = <0x180000 0x80000>;

			};



			kernel@200000 {

				label = "kernel";

				reg = <0x200000 0x600000>;

			};



			rootfs@800000 {

				label = "rootfs";

				reg = <0x800000 0x0f800000>;

			};

		};



		apb {

			mmc0: mmc@fffa4000 {

				pinctrl-0 = <

					&pinctrl_board_mmc0

					&pinctrl_mmc0_clk

					&pinctrl_mmc0_slot0_cmd_dat0

					&pinctrl_mmc0_slot0_dat1_3>;

				status = "okay";

				slot@0 {

					reg = <0>;

					bus-width = <4>;

					cd-gpios = <&pioA 15 GPIO_ACTIVE_HIGH>;

				};

			};



			usart0: serial@fffb0000 {

				pinctrl-0 = <

					&pinctrl_usart0

					&pinctrl_usart0_rts

					&pinctrl_usart0_cts>;

				status = "okay";

			};



			dbgu: serial@fffff200 {

				status = "okay";

			};



			pinctrl@fffff400 {

				mmc0 {

					pinctrl_board_mmc0: mmc0-board {

						atmel,pins =

							<AT91_PIOA 15 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;

					};

				};

			};



			watchdog@fffffd40 {

				status = "okay";

			};

		};

	};



	leds {

		compatible = "gpio-leds";



		ds1 {

			label = "ds1";

			gpios = <&pioD 15 GPIO_ACTIVE_LOW>;

		};



		ds2 {

			label = "ds2";

			gpios = <&pioD 16 GPIO_ACTIVE_LOW>;

		};



		ds3 {

			label = "ds3";

			gpios = <&pioD 14 GPIO_ACTIVE_HIGH>;

			linux,default-trigger = "heartbeat";

		};

	};



	gpio_keys {

		compatible = "gpio-keys";



		right_click {

			label = "right_click";

			gpios = <&pioB 0 GPIO_ACTIVE_LOW>;

			linux,code = <273>;

			gpio-key,wakeup;

		};



		left_click {

			label = "left_click";

			gpios = <&pioB 1 GPIO_ACTIVE_LOW>;

			linux,code = <272>;

			gpio-key,wakeup;

		};

	};

};