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SubjectRe: [PATCH] arm64: dts: meson-a1: add I2C nodes
Date
Jerome Brunet <jbrunet@baylibre.com> writes:

> 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.

Agreed. I don't think SoC-wide aliases are a great idea.

Kevin

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