linux-kernel - Re: [PATCH v9 09/15] dt: bindings: lp55xx: Update binding for Multicolor Framework

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Message-ID: <ef02eafd-d1d9-da3f-4f52-cd159c7960d9@gmail.com>
Date:   Wed, 25 Sep 2019 23:34:43 +0200
From:   Jacek Anaszewski <jacek.anaszewski@...il.com>
To:     Dan Murphy <dmurphy@...com>, pavel@....cz
Cc:     linux-leds@...r.kernel.org, linux-kernel@...r.kernel.org,
        Tony Lindgren <tony@...mide.com>,
        Benoît Cousson <bcousson@...libre.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>
Subject: Re: [PATCH v9 09/15] dt: bindings: lp55xx: Update binding for
 Multicolor Framework

Dan,

On 9/25/19 7:46 PM, Dan Murphy wrote:
> Update the DT binding to include the properties to use the
> multicolor framework for the devices that use the LP55xx
> framework.
> 
> Signed-off-by: Dan Murphy <dmurphy@...com>
> CC: Tony Lindgren <tony@...mide.com>
> CC: "Benoît Cousson" <bcousson@...libre.com>
> CC: Linus Walleij <linus.walleij@...aro.org>
> CC: Shawn Guo <shawnguo@...nel.org>
> CC: Sascha Hauer <s.hauer@...gutronix.de>
> CC: Pengutronix Kernel Team <kernel@...gutronix.de>
> CC: Fabio Estevam <festevam@...il.com>
> CC: NXP Linux Team <linux-imx@....com>
> ---
>  .../devicetree/bindings/leds/leds-lp55xx.txt  | 99 +++++++++++++++++++
>  1 file changed, 99 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/leds/leds-lp55xx.txt b/Documentation/devicetree/bindings/leds/leds-lp55xx.txt
> index bfe2805c5534..c120d2bde3bd 100644
> --- a/Documentation/devicetree/bindings/leds/leds-lp55xx.txt
> +++ b/Documentation/devicetree/bindings/leds/leds-lp55xx.txt
> @@ -1,6 +1,8 @@
>  Binding for TI/National Semiconductor LP55xx LED Drivers
>  
>  Required properties:
> +- #address-cells: 1
> +- #size-cells: 0
>  - compatible: one of
>  	national,lp5521
>  	national,lp5523
> @@ -14,6 +16,18 @@ Required properties:
>  Each child has own specific current settings
>  - led-cur: Current setting at each LED channel (mA x10, 0 if LED is not connected)
>  - max-cur: Maximun current at each LED channel.
> +- reg: Output channel for the LED.  This is zero based channel identifier and
> +	the data sheet is a one based channel identifier.
> +	reg value to output to LED output number
> +	D1 = reg value is 0
> +	D2 = reg value is 1
> +	D3 = reg value is 2
> +	D4 = reg value is 3
> +	D5 = reg value is 4
> +	D6 = reg value is 5
> +	D7 = reg value is 6
> +	D8 = reg value is 7
> +	D9 = reg value is 8
>  
>  Optional properties:
>  - enable-gpio: GPIO attached to the chip's enable pin
> @@ -35,23 +49,28 @@ example 1) LP5521
>  on channel 0.
>  
>  lp5521@32 {
> +	#address-cells = <1>;
> +	#size-cells = <0>;
>  	compatible = "national,lp5521";
>  	reg = <0x32>;
>  	label = "lp5521_pri";
>  	clock-mode = /bits/ 8 <2>;
>  
>  	chan0 {

s/chan0/chan@0/

The same applies to the remaining occurrences in this file and to
the other patches from the patch set as already pointed out.

> +		reg = <0>;
>  		led-cur = /bits/ 8 <0x2f>;
>  		max-cur = /bits/ 8 <0x5f>;
>  		linux,default-trigger = "heartbeat";
>  	};
>

-- 
Best regards,
Jacek Anaszewski