[PATCH v2 2/5] ARM: mvebu: Add i2c alias so setting bus number

[jason@lakedaemon.net (Jason Cooper)]

Subject should be "ARM: kirkwood: ..."

thx,

Jason.

On Mon, Feb 24, 2014 at 07:01:35PM +0100, Andrew Lunn wrote:
> When using platform_driver instantiation, the i2c bus was given bus
> number 0. The kirkwood-t5325 audio driver has this bus number hard
> coded for the address of the codec. However by default device tree i2c
> busses are dynamically allocated a bus number, starting from 1. Thus
> the kirkwood-t5325 cannot find its audio codec. By adding an alias in
> the DT file we can control the bus number and set it to 0. The codec
> can then be found.
> 
> Signed-off-by: Andrew Lunn <andrew@lunn.ch>
> ---
>  arch/arm/boot/dts/kirkwood.dtsi | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm/boot/dts/kirkwood.dtsi b/arch/arm/boot/dts/kirkwood.dtsi
> index 180dc69ff742..d8e34fab835b 100644
> --- a/arch/arm/boot/dts/kirkwood.dtsi
> +++ b/arch/arm/boot/dts/kirkwood.dtsi
> @@ -24,6 +24,7 @@
>  	aliases {
>  	       gpio0 = &gpio0;
>  	       gpio1 = &gpio1;
> +	       i2c0 = &i2c0;
>  	};
>  
>  	mbus {
> @@ -111,7 +112,7 @@
>  			clocks = <&gate_clk 7>;
>  		};
>  
> -		i2c at 11000 {
> +		i2c0: i2c at 11000 {
>  			compatible = "marvell,mv64xxx-i2c";
>  			reg = <0x11000 0x20>;
>  			#address-cells = <1>;
> -- 
> 1.8.5.3
> 
> 
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