On Tue, Sep 22, 2020 at 09:33:54PM +0200, Markus Moll wrote:
> These properties allow users to configure the PCA9532 blink rates.
>
> Signed-off-by: Markus Moll <mmoll@xxxxxxxxxxxxxxxxxxxx>
> ---
> .../devicetree/bindings/leds/leds-pca9532.txt | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/leds/leds-pca9532.txt b/Documentation/devicetree/bindings/leds/leds-pca9532.txt
> index f769c52e364..3aa05eca9df 100644
> --- a/Documentation/devicetree/bindings/leds/leds-pca9532.txt
> +++ b/Documentation/devicetree/bindings/leds/leds-pca9532.txt
> @@ -11,6 +11,14 @@ Required properties:
> "nxp,pca9533"
> - reg - I2C slave address
>
> +Optional properties:
> + - nxp,pwm: array of two 8-bit values specifying the blink duty cycle
> + fractions of each pwm (default <0 0>)
> + The duty cycle is pwm/256.
> + - nxp,psc: array of two 8-bit values specifying the blink period of
> + each pwm (default <0 0>)
> + The period is (psc+1)/152 seconds.
I believe we have standard properties for LED patterns now.
> +
> Each led is represented as a sub-node of the nxp,pca9530.
>
> Optional sub-node properties:
> @@ -26,6 +34,8 @@ Example:
> leds: pca9530@60 {
> compatible = "nxp,pca9530";
> reg = <0x60>;
> + nxp,pwm = /bits/ 8 <128 128>; // 50% duty cycle
> + nxp,psc = /bits/ 8 <151 37>; // 1Hz and 4Hz, respectively
>
> red-power {
> label = "pca:red:power";
> --
> 2.25.1
