Hi Wolfram, On 五, 7月 14, 2017 at 05:01:10下午 +0800, Baolin Wang wrote: > This patch adds the binding documentation for Spreadtrum I2C > controller device. > > Signed-off-by: Baolin Wang <baolin.wang@xxxxxxxxxxxxxx> > Acked-by: Rob Herring <robh@xxxxxxxxxx> > --- > Changes since v3: > - Add Ack from RobH. > > Changes since v2: > - Change compatible strings to be SoC specific. > > Changes since v1: > - No updates. > --- Could you apply this patchset if there are no other comments? It is a long time since the v4 was send out. Thanks. > Documentation/devicetree/bindings/i2c/i2c-sprd.txt | 31 ++++++++++++++++++++ > 1 file changed, 31 insertions(+) > create mode 100644 Documentation/devicetree/bindings/i2c/i2c-sprd.txt > > diff --git a/Documentation/devicetree/bindings/i2c/i2c-sprd.txt b/Documentation/devicetree/bindings/i2c/i2c-sprd.txt > new file mode 100644 > index 0000000..60b7cda > --- /dev/null > +++ b/Documentation/devicetree/bindings/i2c/i2c-sprd.txt > @@ -0,0 +1,31 @@ > +I2C for Spreadtrum platforms > + > +Required properties: > +- compatible: Should be "sprd,sc9860-i2c". > +- reg: Specify the physical base address of the controller and length > + of memory mapped region. > +- interrupts: Should contain I2C interrupt. > +- clock-names: Should contain following entries: > + "i2c" for I2C clock, > + "source" for I2C source (parent) clock, > + "enable" for I2C module enable clock. > +- clocks: Should contain a clock specifier for each entry in clock-names. > +- clock-frequency: Constains desired I2C bus clock frequency in Hz. > +- #address-cells: Should be 1 to describe address cells for I2C device address. > +- #size-cells: Should be 0 means no size cell for I2C device address. > + > +Optional properties: > +- Child nodes conforming to I2C bus binding > + > +Examples: > +i2c0: i2c@70500000 { > + compatible = "sprd,sc9860-i2c"; > + reg = <0 0x70500000 0 0x1000>; > + interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>; > + clock-names = "i2c", "source", "enable"; > + clocks = <&clk_i2c3>, <&ext_26m>, <&clk_ap_apb_gates 11>; > + clock-frequency = <400000>; > + #address-cells = <1>; > + #size-cells = <0>; > +}; > + > -- > 1.7.9.5 >