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authorBeniamino Galvani <b.galvani@gmail.com>2014-06-21 16:22:07 +0200
committerThierry Reding <thierry.reding@gmail.com>2014-07-11 17:01:31 +0200
commiteae266a284f370d40c50dbed7a988a744bab0d44 (patch)
treef9a13e40af79fd142993e83c3cfbbce10d4f8b6c /Documentation
parent101353c82a4435aa2fc5bbd4aebafcd2d388171c (diff)
pwm: rockchip: document device tree bindings
This adds binding documentation for Rockchip SoC PWM driver. Signed-off-by: Beniamino Galvani <b.galvani@gmail.com> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/pwm/pwm-rockchip.txt17
1 files changed, 17 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pwm/pwm-rockchip.txt b/Documentation/devicetree/bindings/pwm/pwm-rockchip.txt
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+++ b/Documentation/devicetree/bindings/pwm/pwm-rockchip.txt
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+Rockchip PWM controller
+
+Required properties:
+ - compatible: should be "rockchip,rk2928-pwm"
+ - reg: physical base address and length of the controller's registers
+ - clocks: phandle and clock specifier of the PWM reference clock
+ - #pwm-cells: should be 2. See pwm.txt in this directory for a
+ description of the cell format.
+
+Example:
+
+ pwm0: pwm@20030000 {
+ compatible = "rockchip,rk2928-pwm";
+ reg = <0x20030000 0x10>;
+ clocks = <&cru PCLK_PWM01>;
+ #pwm-cells = <2>;
+ };