Re: [PATCH 6/9] ARM: at91/dt: add spi0 support to at91rm9200ek board

[Jean-Christophe PLAGNIOL-VILLARD]

On 13:07 Wed 28 Aug     , Boris BREZILLON wrote:
> Add spi0 cs3 switch pinctrl pin definitions: this pin is used to select
> between mmc0 slot0 and spi dataflash connected to cs3.
> 
> Enable spi0 controller and define the mtd_dataflash connected to cs0.
> 
> Signed-off-by: Boris BREZILLON <b.brezillon@xxxxxxxxxxx>
> ---
>  arch/arm/boot/dts/at91rm9200ek.dts |   20 ++++++++++++++++++++
>  1 file changed, 20 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/at91rm9200ek.dts b/arch/arm/boot/dts/at91rm9200ek.dts
> index 2bad423..b3e7425 100644
> --- a/arch/arm/boot/dts/at91rm9200ek.dts
> +++ b/arch/arm/boot/dts/at91rm9200ek.dts
> @@ -56,6 +56,13 @@
>  							<AT91_PIOB 22 AT91_PERIPH_GPIO (AT91_PINCTRL_OUTPUT | AT91_PINCTRL_OUTPUT_VAL(1))>;
>  					};
>  				};
> +
> +				spi0 {
> +					pinctrl_spi0_cs3_switch: spi0_cs3_switch-0 {
> +						atmel,pins =
> +							<AT91_PIOB 22 AT91_PERIPH_GPIO (AT91_PINCTRL_OUTPUT | AT91_PINCTRL_OUTPUT_VAL(0))>;
> +					};
same as mmc nack pinctrl is not for gpio default value

this is regulator
> +				};
>  			};
>  
>  			dbgu: serial@fffff200 {
> @@ -119,6 +126,19 @@
>  					wp-gpios = <&pioA 17 GPIO_ACTIVE_HIGH>;
>  				};
>  			};
> +
> +			spi0: spi@fffe0000 {
> +				pinctrl-0 = <&pinctrl_spi0 &pinctrl_spi0_cs0>;
> +				cs-gpios = <&pioA 3 GPIO_ACTIVE_HIGH>, <0>,
> +					   <0>, <0>;
> +				status = "okay";
> +
> +				mtd_dataflash@0 {
> +					compatible = "atmel,at45", "atmel,dataflash";
> +					spi-max-frequency = <15000000>;
> +					reg = <0>;
> +				};
> +			};
>  		};
>  
>  		usb0: ohci@00300000 {
> -- 
> 1.7.9.5
> 
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/