Hi jerome
Thanks for your review
On 2019/12/10 18:17, Jerome Brunet wrote:
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.
You are right, I will set i2c bus alias in dts file.
.