OK, I'll repost after correction. tks. On 2022/8/31 17:53, Yicong Yang wrote: > [+cc xuwei for device tree expertise] > > On 2022/8/25 17:24, Weilong Chen wrote: >> Add the new compatible for hisi common i2c. >> > s/hisi/HiSilicon > >> Signed-off-by: Weilong Chen <chenweilong@xxxxxxxxxx> >> --- >> .../bindings/i2c/hisilicon,hisi-i2c.yaml | 50 +++++++++++++++++++ >> 1 file changed, 50 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/i2c/hisilicon,hisi-i2c.yaml >> >> diff --git a/Documentation/devicetree/bindings/i2c/hisilicon,hisi-i2c.yaml b/Documentation/devicetree/bindings/i2c/hisilicon,hisi-i2c.yaml >> new file mode 100644 >> index 000000000000..ea967abfe144 >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/i2c/hisilicon,hisi-i2c.yaml >> @@ -0,0 +1,50 @@ >> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) >> +%YAML 1.2 >> +--- >> +$id: "http://devicetree.org/schemas/i2c/hisilicon,hisi-i2c.yaml#" >> +$schema: "http://devicetree.org/meta-schemas/core.yaml#" >> + >> +title: Hisilicon common IIC controller Device Tree Bindings >> + > It's ok to have "HiSilicon common IIC controller" > >> +maintainers: >> + - yangyicong@xxxxxxxxxx >> + >> +allOf: >> + - $ref: /schemas/i2c/i2c-controller.yaml# >> + >> +properties: >> + compatible: >> + const: hisilicon,hisi-i2c >> + >> + reg: >> + maxItems: 1 >> + >> + interrupts: >> + maxItems: 1 >> + >> + clk_rate: >> + maxItems: 1 >> + >> + clock-frequency: >> + default: 100000 >> + > I think it misses some properties here? > > - i2c-sda-hold-time-ns > - sda_fall_ns > - scl_rise_ns > ... > > Do we need to mention them here? > > Thanks. > >> +required: >> + - compatible >> + - reg >> + - interrupts >> + - clk_rate >> + - clock-frequency >> + >> +unevaluatedProperties: false >> + >> +examples: >> + - | >> + i2c1: i2c@5038B0000{ >> + compatible = "hisilicon,hisi-i2c"; >> + #address-cells = <1>; >> + #size-cells = <0>; >> + reg = <0x5 0x038B0000 0 0x10000>; >> + interrupts = <0x0 120 0x4>; >> + clk_rate = <0x0 0xEE6B280>; >> + clock-frequency = <400000>; >> + }; >> > .