dt-bindings: pwm: bcm2835: Increase pwm-cells

We need to increase the pwm-cells for the optional flags parameter,
before we can implement support for polarity setting via DT.

Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>

diff --git a/Documentation/devicetree/bindings/pwm/pwm-bcm2835.txt b/Documentation/devicetree/bindings/pwm/pwm-bcm2835.txt
index cf573e8..8cf87d1 100644 (file)
--- a/Documentation/devicetree/bindings/pwm/pwm-bcm2835.txt
+++ b/Documentation/devicetree/bindings/pwm/pwm-bcm2835.txt
@@ -6,7 +6,7 @@ Required properties:
 - clocks: This clock defines the base clock frequency of the PWM hardware
   system, the period and the duty_cycle of the PWM signal is a multiple of
   the base period.
-- #pwm-cells: Should be 2. See pwm.txt in this directory for a description of
+- #pwm-cells: Should be 3. See pwm.txt in this directory for a description of
   the cells format.
 
 Examples:
@@ -15,7 +15,7 @@ pwm@2020c000 {
        compatible = "brcm,bcm2835-pwm";
        reg = <0x2020c000 0x28>;
        clocks = <&clk_pwm>;
-       #pwm-cells = <2>;
+       #pwm-cells = <3>;
 };
 
 clocks {