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晕哥

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注册时间： 2017-09-06

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主线Linux 修改 V3s/S3 I2C 频率的方法

参考: https://www.kernel.org/doc/Documentation/devicetree/bindings/i2c/i2c-mv64xxx.txt

100Khz:

i2c0: i2c@1c2ac00 {
            compatible = "allwinner,sun6i-a31-i2c";
            reg = <0x01c2ac00 0x400>;
            interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
            clocks = <&ccu CLK_BUS_I2C0>;
            resets = <&ccu RST_BUS_I2C0>;
            pinctrl-names = "default";
            pinctrl-0 = <&i2c0_pins>;
            status = "disabled";
            clock-frequency = <100000>;
            #address-cells = <1>;
            #size-cells = <0>;
        };

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taobao： V3s/F1C100s/F1C200s/D1-H/D1s/T113-S3/XR32/XR829/A523/A133/H133/V831/V851s/V853