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-rw-r--r--Documentation/devicetree/bindings/arm/atmel-at91.txt60
1 files changed, 60 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/arm/atmel-at91.txt b/Documentation/devicetree/bindings/arm/atmel-at91.txt
index 1aeaf6f2a1ba..ecc81e368715 100644
--- a/Documentation/devicetree/bindings/arm/atmel-at91.txt
+++ b/Documentation/devicetree/bindings/arm/atmel-at91.txt
@@ -30,3 +30,63 @@ One interrupt per TC channel in a TC block:
reg = <0xfffdc000 0x100>;
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>;
+ };
+
+RAMC SDRAM/DDR Controller required properties:
+- compatible: Should be "atmel,at91sam9260-sdramc",
+ "atmel,at91sam9g45-ddramc",
+- reg: Should contain registers location and length
+ For at91sam9263 and at91sam9g45 you must specify 2 entries.
+
+Examples:
+
+ ramc0: ramc@ffffe800 {
+ compatible = "atmel,at91sam9g45-ddramc";
+ reg = <0xffffe800 0x200>;
+ };
+
+ ramc0: ramc@ffffe400 {
+ compatible = "atmel,at91sam9g45-ddramc";
+ reg = <0xffffe400 0x200
+ 0xffffe600 0x200>;
+ };
+
+SHDWC Shutdown Controller
+
+required properties:
+- compatible: Should be "atmel,<chip>-shdwc".
+ <chip> can be "at91sam9260", "at91sam9rl" or "at91sam9x5".
+- reg: Should contain registers location and length
+
+optional properties:
+- atmel,wakeup-mode: String, operation mode of the wakeup mode.
+ Supported values are: "none", "high", "low", "any".
+- atmel,wakeup-counter: Counter on Wake-up 0 (between 0x0 and 0xf).
+
+optional at91sam9260 properties:
+- atmel,wakeup-rtt-timer: boolean to enable Real-time Timer Wake-up.
+
+optional at91sam9rl properties:
+- atmel,wakeup-rtc-timer: boolean to enable Real-time Clock Wake-up.
+- atmel,wakeup-rtt-timer: boolean to enable Real-time Timer Wake-up.
+
+optional at91sam9x5 properties:
+- atmel,wakeup-rtc-timer: boolean to enable Real-time Clock Wake-up.
+
+Example:
+
+ rstc@fffffd00 {
+ compatible = "atmel,at91sam9260-rstc";
+ reg = <0xfffffd00 0x10>;
+ };