path: root/Documentation/devicetree/bindings/pwm
diff options
authorDoug Anderson <dianders@chromium.org>2014-08-25 15:59:25 -0700
committerThierry Reding <thierry.reding@gmail.com>2014-08-26 10:44:08 +0200
commit7264354c0cb8c04bd4a85d24e5d57a0e2417c2fb (patch)
tree94f16f29c664c6afd56b9a4608690e0b3d5a13ea /Documentation/devicetree/bindings/pwm
parent137fd45ffec15db14034990ceac890975cae7a32 (diff)
pwm: rockchip: Allow polarity invert on rk3288
The rk3288 has the ability to invert the polarity of the PWM. Let's enable that ability. Note that this increases pwm_cells to 3 for rk3288. Signed-off-by: Doug Anderson <dianders@chromium.org> Reviewed-by: Caesar Wang <caesar.wang@rock-chips.com> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Diffstat (limited to 'Documentation/devicetree/bindings/pwm')
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/pwm/pwm-rockchip.txt b/Documentation/devicetree/bindings/pwm/pwm-rockchip.txt
index d47d15a6a298..b8be3d09ee26 100644
--- a/Documentation/devicetree/bindings/pwm/pwm-rockchip.txt
+++ b/Documentation/devicetree/bindings/pwm/pwm-rockchip.txt
@@ -7,8 +7,8 @@ Required properties:
"rockchip,vop-pwm": found integrated in VOP on RK3288 SoC
- 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.
+ - #pwm-cells: must be 2 (rk2928) or 3 (rk3288). See pwm.txt in this directory
+ for a description of the cell format.

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