Add the new compatible for HiSilicon common i2c. Signed-off-by: Weilong Chen <chenweilong@xxxxxxxxxx> --- .../bindings/i2c/hisilicon,hisi-i2c.yaml | 67 +++++++++++++++++++ 1 file changed, 67 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..f1cb6a4c70d1 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/hisilicon,hisi-i2c.yaml @@ -0,0 +1,67 @@ +# 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 + +maintainers: + - yangyicong@xxxxxxxxxx + +allOf: + - $ref: /schemas/i2c/i2c-controller.yaml# + +properties: + compatible: + const: hisilicon,hisi-i2c + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clk_rate: + default: 0xEE6B280 + + clock-frequency: + default: 400000 + + i2c-sda-falling-time-ns: + default: 343 + + i2c-scl-falling-time-ns: + default: 203 + + i2c-sda-hold-time-ns: + default: 0x33E + + i2c-scl-rising-time-ns: + default: 365 + + i2c-digital-filter-width-ns: + default: 0 + +required: + - compatible + - reg + - interrupts + +unevaluatedProperties: false + +examples: + - | + i2c1: i2c@5038B0000{ + compatible = "hisilicon,hisi-i2c"; + reg = <0x38B0000 0x10000>; + interrupts = <0x0 120 0x4>; + i2c-sda-falling-time-ns = <56>; + i2c-scl-falling-time-ns = <56>; + i2c-sda-hold-time-ns = <56>; + i2c-scl-rising-time-ns = <56>; + i2c-digital-filter; + i2c-digital-filter-width-ns = <0x0>; + clk_rate = <0x0 0xEE6B280>; + clock-frequency = <400000>; + }; -- 2.31.GIT