Re: [PATCH 5/5] ARM: dts: imx50: Fix the numbering of the I2C controllers

From: Shawn Guo
Date: Thu Mar 21 2019 - 21:46:38 EST


On Tue, Mar 19, 2019 at 04:24:20PM +0100, Jonathan Neuschäfer wrote:
> Ensure that the i2c buses are reported to userspace (for example to
> i2cdetect) in the same order as they are numbered in the SoC's
> documentation by adding aliases to the devicetree.
>
> Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@xxxxxxx>

Alexander already sent a patch [1] covering i2c. But I'm not sure why
i2c3 is missing there.

Shawn

[1] https://www.spinics.net/lists/devicetree/msg278684.html

> ---
> arch/arm/boot/dts/imx50.dtsi | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/arch/arm/boot/dts/imx50.dtsi b/arch/arm/boot/dts/imx50.dtsi
> index e5632ce24ba0..8cab0ab3bd4e 100644
> --- a/arch/arm/boot/dts/imx50.dtsi
> +++ b/arch/arm/boot/dts/imx50.dtsi
> @@ -26,6 +26,9 @@
> gpio3 = &gpio4;
> gpio4 = &gpio5;
> gpio5 = &gpio6;
> + i2c0 = &i2c1;
> + i2c1 = &i2c2;
> + i2c2 = &i2c3;
> serial0 = &uart1;
> serial1 = &uart2;
> serial2 = &uart3;
> --
> 2.20.1
>