Subject: [PATCH] DTS at91sam9x5cm: add 1-wire chip on CM board

From: [email-masked] (Nicolas Ferre)
Date: Thu, 21 Mar 2013 16:06:02 +0100

On 03/20/2013 12:23 PM, Richard Genoud :
> This add the 1-wire chip present on the CM board to the DTS.
> As the pin is also used by leds, tt's disabled by default.
> If the board really wants it, it can be enabled in the board DTS.
> 
> Signed-off-by: Richard Genoud <[email-masked]>

Acked-by: Nicolas Ferre <[email-masked]>

And pushed to at91-3.10-dt branch.

Thanks,

> ---
>  arch/arm/boot/dts/at91sam9x5cm.dtsi |   20 ++++++++++++++++++++
>  1 files changed, 20 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/at91sam9x5cm.dtsi b/arch/arm/boot/dts/at91sam9x5cm.dtsi
> index 4027ac7..347a74a 100644
> --- a/arch/arm/boot/dts/at91sam9x5cm.dtsi
> +++ b/arch/arm/boot/dts/at91sam9x5cm.dtsi
> @@ -24,6 +24,16 @@
>  	};
>  
>  	ahb {
> +		apb {
> +			pinctrl at fffff400 {
> +				1wire_cm {
> +					pinctrl_1wire_cm: 1wire_cm-0 {
> +						atmel,pins = <1 18 0x0 0x2>; /* PB18 multidrive, conflicts with led */
> +					};
> +				};
> +			};
> +		};
> +
>  		nand0: nand at 40000000 {
>  			nand-bus-width = <8>;
>  			nand-ecc-mode = "hw";
> @@ -74,4 +84,14 @@
>  			gpios = <&pioD 21 0>;
>  		};
>  	};
> +
> +	1wire_cm {
> +		compatible = "w1-gpio";
> +		gpios = <&pioB 18 0>;
> +		linux,open-drain;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_1wire_cm>;
> +		status = "okay";
> +	};
> +
>  };
> 

-- 
Nicolas Ferre