Jerome Brunet <jbrunet@xxxxxxxxxxxx> writes: > On Mon 02 Dec 2019 at 12:12, Jian Hu <jian.hu@xxxxxxxxxxx> 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@xxxxxxxxxxx> >> --- >> 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