Commit 4abb3677 authored by Jean-Christophe PLAGNIOL-VILLARD's avatar Jean-Christophe PLAGNIOL-VILLARD
Browse files

ARM: at91: add at91sam9263 DT support 



Signed-off-by: default avatarJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: default avatarNicolas Ferre <nicolas.ferre@atmel.com>
parent 8cf93b9c

arch/arm/boot/dts/at91sam9263.dtsi

0 → 100644
+220 −0
Original line number Diff line number Diff line 
/*

 * at91sam9263.dtsi - Device Tree Include file for AT91SAM9263 family SoC

 *

 *  Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

 *

 * Licensed under GPLv2 only.

 */



/include/ "skeleton.dtsi"



/ {

	model = "Atmel AT91SAM9263 family SoC";

	compatible = "atmel,at91sam9263";

	interrupt-parent = <&aic>;



	aliases {

		serial0 = &dbgu;

		serial1 = &usart0;

		serial2 = &usart1;

		serial3 = &usart2;

		gpio0 = &pioA;

		gpio1 = &pioB;

		gpio2 = &pioC;

		gpio3 = &pioD;

		gpio4 = &pioE;

		tcb0 = &tcb0;

	};

	cpus {

		cpu@0 {

			compatible = "arm,arm926ejs";

		};

	};



	memory {

		reg = <0x20000000 0x08000000>;

	};



	ahb {

		compatible = "simple-bus";

		#address-cells = <1>;

		#size-cells = <1>;

		ranges;



		apb {

			compatible = "simple-bus";

			#address-cells = <1>;

			#size-cells = <1>;

			ranges;



			aic: interrupt-controller@fffff000 {

				#interrupt-cells = <2>;

				compatible = "atmel,at91rm9200-aic";

				interrupt-controller;

				reg = <0xfffff000 0x200>;

			};



			pmc: pmc@fffffc00 {

				compatible = "atmel,at91rm9200-pmc";

				reg = <0xfffffc00 0x100>;

			};



			ramc: ramc@ffffe200 {

				compatible = "atmel,at91sam9260-sdramc";

				reg = <0xffffe200 0x200

				       0xffffe800 0x200>;

			};



			pit: timer@fffffd30 {

				compatible = "atmel,at91sam9260-pit";

				reg = <0xfffffd30 0xf>;

				interrupts = <1 4>;

			};



			tcb0: timer@fff7c000 {

				compatible = "atmel,at91rm9200-tcb";

				reg = <0xfff7c000 0x100>;

				interrupts = <19 4>;

			};



			rstc@fffffd00 {

				compatible = "atmel,at91sam9260-rstc";

				reg = <0xfffffd00 0x10>;

			};



			shdwc@fffffd10 {

				compatible = "atmel,at91sam9260-shdwc";

				reg = <0xfffffd10 0x10>;

			};



			pioA: gpio@fffff200 {

				compatible = "atmel,at91rm9200-gpio";

				reg = <0xfffff200 0x100>;

				interrupts = <2 4>;

				#gpio-cells = <2>;

				gpio-controller;

				interrupt-controller;

			};



			pioB: gpio@fffff400 {

				compatible = "atmel,at91rm9200-gpio";

				reg = <0xfffff400 0x100>;

				interrupts = <3 4>;

				#gpio-cells = <2>;

				gpio-controller;

				interrupt-controller;

			};



			pioC: gpio@fffff600 {

				compatible = "atmel,at91rm9200-gpio";

				reg = <0xfffff600 0x100>;

				interrupts = <4 4>;

				#gpio-cells = <2>;

				gpio-controller;

				interrupt-controller;

			};



			pioD: gpio@fffff800 {

				compatible = "atmel,at91rm9200-gpio";

				reg = <0xfffff800 0x100>;

				interrupts = <4 4>;

				#gpio-cells = <2>;

				gpio-controller;

				interrupt-controller;

			};



			pioE: gpio@fffffa00 {

				compatible = "atmel,at91rm9200-gpio";

				reg = <0xfffffa00 0x100>;

				interrupts = <4 4>;

				#gpio-cells = <2>;

				gpio-controller;

				interrupt-controller;

			};



			dbgu: serial@ffffee00 {

				compatible = "atmel,at91sam9260-usart";

				reg = <0xffffee00 0x200>;

				interrupts = <1 4>;

				status = "disabled";

			};



			usart0: serial@fff8c000 {

				compatible = "atmel,at91sam9260-usart";

				reg = <0xfff8c000 0x200>;

				interrupts = <7 4>;

				atmel,use-dma-rx;

				atmel,use-dma-tx;

				status = "disabled";

			};



			usart1: serial@fff90000 {

				compatible = "atmel,at91sam9260-usart";

				reg = <0xfff90000 0x200>;

				interrupts = <8 4>;

				atmel,use-dma-rx;

				atmel,use-dma-tx;

				status = "disabled";

			};



			usart2: serial@fff94000 {

				compatible = "atmel,at91sam9260-usart";

				reg = <0xfff94000 0x200>;

				interrupts = <9 4>;

				atmel,use-dma-rx;

				atmel,use-dma-tx;

				status = "disabled";

			};



			macb0: ethernet@fffbc000 {

				compatible = "cdns,at32ap7000-macb", "cdns,macb";

				reg = <0xfffbc000 0x100>;

				interrupts = <21 4>;

				status = "disabled";

			};



			usb1: gadget@fff78000 {

				compatible = "atmel,at91rm9200-udc";

				reg = <0xfff78000 0x4000>;

				interrupts = <24 4>;

				status = "disabled";

			};

		};



		nand0: nand@40000000 {

			compatible = "atmel,at91rm9200-nand";

			#address-cells = <1>;

			#size-cells = <1>;

			reg = <0x40000000 0x10000000

			       0xffffe000 0x200

			      >;

			atmel,nand-addr-offset = <21>;

			atmel,nand-cmd-offset = <22>;

			gpios = <&pioA 22 0

				 &pioD 15 0

				 0

				>;

			status = "disabled";

		};



		usb0: ohci@00a00000 {

			compatible = "atmel,at91rm9200-ohci", "usb-ohci";

			reg = <0x00a00000 0x100000>;

			interrupts = <29 4>;

			status = "disabled";

		};

	};



	i2c@0 {

		compatible = "i2c-gpio";

		gpios = <&pioB 4 0 /* sda */

			 &pioB 5 0 /* scl */

			>;

		i2c-gpio,sda-open-drain;

		i2c-gpio,scl-open-drain;

		i2c-gpio,delay-us = <2>;	/* ~100 kHz */

		#address-cells = <1>;

		#size-cells = <0>;

		status = "disabled";

	};

};

arch/arm/mach-at91/at91sam9263.c

+10 −0
Original line number Diff line number Diff line
@@ -199,6 +199,16 @@ static struct clk_lookup periph_clocks_lookups[] = { 
	CLKDEV_CON_ID("pioC", &pioCDE_clk),

	CLKDEV_CON_ID("pioD", &pioCDE_clk),

	CLKDEV_CON_ID("pioE", &pioCDE_clk),

	/* more usart lookup table for DT entries */

	CLKDEV_CON_DEV_ID("usart", "ffffee00.serial", &mck),

	CLKDEV_CON_DEV_ID("usart", "fff8c000.serial", &usart0_clk),

	CLKDEV_CON_DEV_ID("usart", "fff90000.serial", &usart1_clk),

	CLKDEV_CON_DEV_ID("usart", "fff94000.serial", &usart2_clk),

	/* more tc lookup table for DT entries */

	CLKDEV_CON_DEV_ID("t0_clk", "fff7c000.timer", &tcb_clk),

	CLKDEV_CON_DEV_ID("hclk", "a00000.ohci", &ohci_clk),

	CLKDEV_CON_DEV_ID("spi_clk", "fffa4000.spi", &spi0_clk),

	CLKDEV_CON_DEV_ID("spi_clk", "fffa8000.spi", &spi1_clk),

};



static struct clk_lookup usart_clocks_lookups[] = {

arch/arm/mach-at91/at91sam9263_devices.c

+20 −0
Original line number Diff line number Diff line
@@ -953,8 +953,25 @@ static struct platform_device at91sam9263_tcb_device = { 
	.num_resources	= ARRAY_SIZE(tcb_resources),

};



#if defined(CONFIG_OF)

static struct of_device_id tcb_ids[] = {

	{ .compatible = "atmel,at91rm9200-tcb" },

	{ /*sentinel*/ }

};

#endif



static void __init at91_add_device_tc(void)

{

#if defined(CONFIG_OF)

	struct device_node *np;



	np = of_find_matching_node(NULL, tcb_ids);

	if (np) {

		of_node_put(np);

		return;

	}

#endif



	platform_device_register(&at91sam9263_tcb_device);

}

#else
@@ -1483,6 +1500,9 @@ void __init at91_add_device_serial(void) {} 
 */

static int __init at91_add_standard_devices(void)

{

	if (of_have_populated_dt())

		return 0;



	at91_add_device_rtt();

	at91_add_device_watchdog();

	at91_add_device_tc();