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Commit 4abb3677 authored by Jean-Christophe PLAGNIOL-VILLARD's avatar Jean-Christophe PLAGNIOL-VILLARD
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ARM: at91: add at91sam9263 DT support

parent 8cf93b9c
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+220 −0
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/*
 * 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";
	};
};
+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[] = {
+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();