On Tue, Mar 13, 2018 at 02:45:48PM +0200, Oleh Kravchenko wrote:
> This patch adds a LED class driver for the RGB LEDs found on
> the Crane Merchandising System CR0014114 LEDs board.
>
> Signed-off-by: Oleh Kravchenko <oleg@xxxxxxxxxx>
> ---
> .../devicetree/bindings/leds/leds-cr0014114.txt | 46 ++++
> .../devicetree/bindings/vendor-prefixes.txt | 1 +
Please split to separate patch.
> drivers/leds/Kconfig | 13 +
> drivers/leds/Makefile | 1 +
> drivers/leds/leds-cr0014114.c | 292 +++++++++++++++++++++
> 5 files changed, 353 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/leds/leds-cr0014114.txt
> create mode 100644 drivers/leds/leds-cr0014114.c
>
> diff --git a/Documentation/devicetree/bindings/leds/leds-cr0014114.txt b/Documentation/devicetree/bindings/leds/leds-cr0014114.txt
> new file mode 100644
> index 000000000000..977a9929b04f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/leds/leds-cr0014114.txt
> @@ -0,0 +1,46 @@
> +Crane Merchandising System - cr0014114 LED driver
> +-------------------------------------------------
> +
> +This LED Board is widely used in vending machines produced
> +by Crane Merchandising Systems.
> +
> +Required properties:
> +- compatible: "cms,cr0014114"
> +- reg: chip select address for the device
> +- spi-cpha: shifted clock phase mode is required
> +
> +LED sub-node properties:
> +- label : (optional)
> + see Documentation/devicetree/bindings/leds/common.txt
> +- linux,default-trigger : (optional)
> + see Documentation/devicetree/bindings/leds/common.txt
> +
> +Example
> +-------
> +
> +cr0014114@0 {
leds@...
> + compatible = "crane,cr0014114";
> + reg = <0>;
> + spi-max-frequency = <50000>;
> + spi-cpha;
> +
> + led0 {
Is '0' meaningful to the controller as an address/channel. If so, use
reg.
> + label = "cr0:red:";
> + };
> + led1 {
> + label = "cr0:green:";
> + };
> + led2 {
> + label = "cr0:blue:";
> + };
> + led3 {
> + label = "cr1:red:";
> + };
> + led4 {
> + label = "cr1:green:";
> + };
> + led5 {
> + label = "cr1:blue:";
> + };
> + ...
> +};
> diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
> index ae850d6c0ad3..f17949c365f5 100644
> --- a/Documentation/devicetree/bindings/vendor-prefixes.txt
> +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
> @@ -75,6 +75,7 @@ cnxt Conexant Systems, Inc.
> compulab CompuLab Ltd.
> cortina Cortina Systems, Inc.
> cosmic Cosmic Circuits
> +crane Crane Connectivity Solutions
> creative Creative Technology Ltd
> crystalfontz Crystalfontz America, Inc.
> cubietech Cubietech, Ltd.
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