Add a binding document describing the PWM controller found
on arch-vt8500 supported SoCs.
Signed-off-by: Tony Prisk <li...@prisktech.co.nz>
---
.../devicetree/bindings/pwm/vt8500-pwm.txt | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
create mode 100644 Documentation/devicetree/bindings/pwm/vt8500-pwm.txt
diff --git a/Documentation/devicetree/bindings/pwm/vt8500-pwm.txt
b/Documentation/devicetree/bindings/pwm/vt8500-pwm.txt
new file mode 100644
index 0000000..e8ba133
--- /dev/null
+++ b/Documentation/devicetree/bindings/pwm/vt8500-pwm.txt
@@ -0,0 +1,17 @@
+VIA/Wondermedia VT8500/WM8xxx series SoC PWM controller
+
+Required properties:
+- compatible: should be "via,vt8500-pwm"
+- reg: physical base address and length of the controller's registers
+- #pwm-cells: should be 2. The first cell specifies the per-chip index
+ of the PWM to use and the second cell is the period in nanoseconds.
+- clocks: pHandle to the PWM source clock
+
+Example:
+
+pwm1: pwm@d8220000 {
+ #pwm-cells = <2>;
+ compatible = "via,vt8500-pwm";
+ reg = <0xd8220000 0x1000>;
+ clocks = <&clkpwm>;
+};
--
1.7.9.5
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