Re: [PATCH] ARM: dts: OMAP5: Add i2c aliases

From: Rajendra Nayak
Date: Wed Oct 16 2013 - 07:38:16 EST


On Tuesday 15 October 2013 10:30 PM, Nishanth Menon wrote:
> Currently, i2c1 and i2c5 defer probe due to pinctrl dependencies.
> This changes the i2c ID each bus is registered with in i2c-dev
> interface.
>
> As a result of this, many userspace tools break and there is no
> consistent manner to fix the same if the i2c dev interface have no
> consistent numbering. Provide alias to allow ordering the i2c devices
> correctly.

This looks good Nishanth. Shouldn't we just go ahead and fix these for
all OMAPs/AMxx devices which would have the same problem as OMAP5 ;)

Acked-by: Rajendra Nayak <rnayak@xxxxxx>
>
> Signed-off-by: Nishanth Menon <nm@xxxxxx>
> ---
>
> arch/arm/boot/dts/omap5.dtsi | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi
> index e18ee7e..8970deb 100644
> --- a/arch/arm/boot/dts/omap5.dtsi
> +++ b/arch/arm/boot/dts/omap5.dtsi
> @@ -21,6 +21,11 @@
> interrupt-parent = <&gic>;
>
> aliases {
> + i2c0 = &i2c1;
> + i2c1 = &i2c2;
> + i2c2 = &i2c3;
> + i2c3 = &i2c4;
> + i2c4 = &i2c5;
> serial0 = &uart1;
> serial1 = &uart2;
> serial2 = &uart3;
>

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