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-rw-r--r--Documentation/devicetree/bindings/timer/cdns,ttc.yaml22
1 files changed, 21 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/timer/cdns,ttc.yaml b/Documentation/devicetree/bindings/timer/cdns,ttc.yaml
index dbba780c9b02..da342464d32e 100644
--- a/Documentation/devicetree/bindings/timer/cdns,ttc.yaml
+++ b/Documentation/devicetree/bindings/timer/cdns,ttc.yaml
@@ -32,12 +32,23 @@ properties:
description: |
Bit width of the timer, necessary if not 16.
+ "#pwm-cells":
+ const: 3
+
required:
- compatible
- reg
- - interrupts
- clocks
+allOf:
+ - if:
+ not:
+ required:
+ - "#pwm-cells"
+ then:
+ required:
+ - interrupts
+
additionalProperties: false
examples:
@@ -50,3 +61,12 @@ examples:
clocks = <&cpu_clk 3>;
timer-width = <32>;
};
+
+ - |
+ pwm: pwm@f8002000 {
+ compatible = "cdns,ttc";
+ reg = <0xf8002000 0x1000>;
+ clocks = <&cpu_clk 3>;
+ timer-width = <32>;
+ #pwm-cells = <3>;
+ };