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SubjectRe: [PATCH] arm64: dts: meson-a1: add I2C nodes
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On Mon 02 Dec 2019 at 12:12, Jian Hu <jian.hu@amlogic.com> wrote:

> There are four I2C controllers in A1 series,
> Share the same comptible with AXG.The I2C nodes
> depend on pinmux and clock controller.
>
> Signed-off-by: Jian Hu <jian.hu@amlogic.com>
> ---
> arch/arm64/boot/dts/amlogic/meson-a1.dtsi | 149 ++++++++++++++++++++++
> 1 file changed, 149 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
> index eab2ecd36aa8..d0a73d953f5e 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
> +++ b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
> @@ -16,6 +16,13 @@
> #address-cells = <2>;
> #size-cells = <2>;
>
> + aliases {
> + i2c0 = &i2c0;
> + i2c1 = &i2c1;
> + i2c2 = &i2c2;
> + i2c3 = &i2c3;
> + };
> +

I wonder if assigning i2c bus alias in the SoC dtsi is such a good idea.

Such aliases are usually assigned as needed by each board design:
meson-a1-ad401.dts in your case.

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