[PATCH] ARM: cfa10036: add one wire bitbanging to the cfa10049

Shawn Guo shawn.guo at linaro.org
Sun Mar 31 09:43:51 EDT 2013


On Fri, Mar 29, 2013 at 07:46:41PM +0100, Alexandre Belloni wrote:
> Signed-off-by: Alexandre Belloni <alexandre.belloni at free-electrons.com>

Applied, thanks.

> ---
>  arch/arm/boot/dts/imx28-cfa10049.dts |   20 +++++++++++++++++++-
>  1 file changed, 19 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm/boot/dts/imx28-cfa10049.dts b/arch/arm/boot/dts/imx28-cfa10049.dts
> index ded7784..b9dad4e 100644
> --- a/arch/arm/boot/dts/imx28-cfa10049.dts
> +++ b/arch/arm/boot/dts/imx28-cfa10049.dts
> @@ -30,7 +30,6 @@
>  					reg = <0>;
>  					fsl,pinmux-ids = <
>  						0x0073 /* MX28_PAD_GPMI_D7__GPIO_0_7 */
> -						0x1153 /* MX28_PAD_LCD_D22__GPIO_1_21 */
>  						0x1163 /* MX28_PAD_LCD_D22__GPIO_1_22 */
>  						0x1173 /* MX28_PAD_LCD_D22__GPIO_1_23 */
>  						0x2153 /* MX28_PAD_SSP2_D5__GPIO_2_21 */
> @@ -120,6 +119,16 @@
>  					fsl,voltage = <1>;
>  					fsl,pull-up = <0>;
>  				};
> +
> +				w1_gpio_pins: w1-gpio at 0 {
> +					reg = <0>;
> +					fsl,pinmux-ids = <
> +						0x1153 /* MX28_PAD_LCD_D21__GPIO_1_21 */
> +					>;
> +					fsl,drive-strength = <1>;
> +					fsl,voltage = <1>;
> +					fsl,pull-up = <0>; /* 0 will enable the keeper */
> +				};
>  			};
>  
>  			lcdif at 80030000 {
> @@ -304,5 +313,14 @@
>  		pwms = <&pwm 3 5000000>;
>  		brightness-levels = <0 4 8 16 32 64 128 255>;
>  		default-brightness-level = <6>;
> +
> +	};
> +
> +	onewire at 0 {
> +		compatible = "w1-gpio";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&w1_gpio_pins>;
> +		status = "okay";
> +		gpios = <&gpio1 21 0>;
>  	};
>  };
> -- 
> 1.7.10.4
> 




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