These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / Documentation / devicetree / bindings / clock / at91-clock.txt

diff --git a/kernel/Documentation/devicetree/bindings/clock/at91-clock.txt b/kernel/Documentation/devicetree/bindings/clock/at91-clock.txt
index 5ba6450..181bc8a 100644 (file)
--- a/kernel/Documentation/devicetree/bindings/clock/at91-clock.txt
+++ b/kernel/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>;
+               };
+       };