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-rw-r--r--Documentation/devicetree/bindings/clock/at91-clock.txt35
1 files changed, 35 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/clock/at91-clock.txt b/Documentation/devicetree/bindings/clock/at91-clock.txt
index 5ba6450693b9..181bc8ac4e3a 100644
--- a/Documentation/devicetree/bindings/clock/at91-clock.txt
+++ b/Documentation/devicetree/bindings/clock/at91-clock.txt
@@ -77,6 +77,9 @@ Required properties:
"atmel,sama5d4-clk-h32mx":
at91 h32mx clock
+ "atmel,sama5d2-clk-generated":
+ at91 generated clock
+
Required properties for SCKC node:
- reg : defines the IO memory reserved for the SCKC.
- #size-cells : shall be 0 (reg is used to encode clk id).
@@ -461,3 +464,35 @@ For example:
compatible = "atmel,sama5d4-clk-h32mx";
clocks = <&mck>;
};
+
+Required properties for generated clocks:
+- #size-cells : shall be 0 (reg is used to encode clk id).
+- #address-cells : shall be 1 (reg is used to encode clk id).
+- clocks : shall be the generated clock source phandles.
+ e.g. clocks = <&clk32k>, <&main>, <&plladiv>, <&utmi>, <&mck>, <&audio_pll_pmc>;
+- name: device tree node describing a specific generated clock.
+ * #clock-cells : from common clock binding; shall be set to 0.
+ * reg: peripheral id. See Atmel's datasheets to get a full
+ list of peripheral ids.
+ * atmel,clk-output-range : minimum and maximum clock frequency
+ (two u32 fields).
+
+For example:
+ gck {
+ compatible = "atmel,sama5d2-clk-generated";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&clk32k>, <&main>, <&plladiv>, <&utmi>, <&mck>, <&audio_pll_pmc>;
+
+ tcb0_gclk: tcb0_gclk {
+ #clock-cells = <0>;
+ reg = <35>;
+ atmel,clk-output-range = <0 83000000>;
+ };
+
+ pwm_gclk: pwm_gclk {
+ #clock-cells = <0>;
+ reg = <38>;
+ atmel,clk-output-range = <0 83000000>;
+ };
+ };