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Commit c8082d34 authored Mar 03, 2012 by Jean-Christophe PLAGNIOL-VILLARD

ARM: at91: add RSTC (Reset Controller) dt support



Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>

parent 21ea52aa

Documentation/devicetree/bindings/arm/atmel-at91.txt

+12 −0

Original line number	Original line	Diff line number	Diff line
	@@ -30,3 +30,15 @@ One interrupt per TC channel in a TC block:
	reg = <0xfffdc000 0x100>;		reg = <0xfffdc000 0x100>;
	interrupts = <26 4 27 4 28 4>;		interrupts = <26 4 27 4 28 4>;
	};		};

			RSTC Reset Controller required properties:
			- compatible: Should be "atmel,<chip>-rstc".
			<chip> can be "at91sam9260" or "at91sam9g45"
			- reg: Should contain registers location and length

			Example:

			rstc@fffffd00 {
			compatible = "atmel,at91sam9260-rstc";
			reg = <0xfffffd00 0x10>;
			};

arch/arm/boot/dts/at91sam9g20.dtsi

+5 −0

Original line number	Original line	Diff line number	Diff line
	@@ -64,6 +64,11 @@
	reg = <0xfffffc00 0x100>;		reg = <0xfffffc00 0x100>;
	};		};

			rstc@fffffd00 {
			compatible = "atmel,at91sam9260-rstc";
			reg = <0xfffffd00 0x10>;
			};

	pit: timer@fffffd30 {		pit: timer@fffffd30 {
	compatible = "atmel,at91sam9260-pit";		compatible = "atmel,at91sam9260-pit";
	reg = <0xfffffd30 0xf>;		reg = <0xfffffd30 0xf>;

arch/arm/boot/dts/at91sam9g45.dtsi

+5 −0

Original line number	Original line	Diff line number	Diff line
	@@ -65,6 +65,11 @@
	reg = <0xfffffc00 0x100>;		reg = <0xfffffc00 0x100>;
	};		};

			rstc@fffffd00 {
			compatible = "atmel,at91sam9g45-rstc";
			reg = <0xfffffd00 0x10>;
			};

	pit: timer@fffffd30 {		pit: timer@fffffd30 {
	compatible = "atmel,at91sam9260-pit";		compatible = "atmel,at91sam9260-pit";
	reg = <0xfffffd30 0xf>;		reg = <0xfffffd30 0xf>;

arch/arm/boot/dts/at91sam9x5.dtsi

+5 −0

Original line number	Original line	Diff line number	Diff line
	@@ -63,6 +63,11 @@
	reg = <0xfffffc00 0x100>;		reg = <0xfffffc00 0x100>;
	};		};

			rstc@fffffe00 {
			compatible = "atmel,at91sam9g45-rstc";
			reg = <0xfffffe00 0x10>;
			};

	pit: timer@fffffe30 {		pit: timer@fffffe30 {
	compatible = "atmel,at91sam9260-pit";		compatible = "atmel,at91sam9260-pit";
	reg = <0xfffffe30 0xf>;		reg = <0xfffffe30 0xf>;

arch/arm/mach-at91/at91sam9x5.c

+0 −1

Original line number	Original line	Diff line number	Diff line
	@@ -306,7 +306,6 @@ static void __init at91sam9x5_ioremap_registers(void)

	void __init at91sam9x5_initialize(void)		void __init at91sam9x5_initialize(void)
	{		{
	arm_pm_restart = at91sam9g45_restart;
	at91_extern_irq = (1 << AT91SAM9X5_ID_IRQ0);		at91_extern_irq = (1 << AT91SAM9X5_ID_IRQ0);

	/* Register GPIO subsystem (using DT) */		/* Register GPIO subsystem (using DT) */