| Message ID | 2083c9d6e96a72f9c1324c8a277acfd780a34094.1498472593.git.baolin.wang@spreadtrum.com |
|---|---|
| State | Superseded |
| Headers | show |
On Mon, Jun 26, 2017 at 5:28 AM, Baolin Wang <baolin.wang@spreadtrum.com> wrote: > This patch adds the binding documentation for Spreadtrum I2C > controller device. > > Signed-off-by: Baolin Wang <baolin.wang@spreadtrum.com> > --- > Changes since v2: > - Change compatible strings to be SoC specific. > > Changes since v1: > - No updates. > --- > Documentation/devicetree/bindings/i2c/i2c-sprd.txt | 31 ++++++++++++++++++++ > 1 file changed, 31 insertions(+) > create mode 100644 Documentation/devicetree/bindings/i2c/i2c-sprd.txt Acked-by: Rob Herring <robh@kernel.org>
On 一, 6月 26, 2017 at 09:05:39上午 -0500, Rob Herring wrote: > On Mon, Jun 26, 2017 at 5:28 AM, Baolin Wang <baolin.wang@spreadtrum.com> wrote: > > This patch adds the binding documentation for Spreadtrum I2C > > controller device. > > > > Signed-off-by: Baolin Wang <baolin.wang@spreadtrum.com> > > --- > > Changes since v2: > > - Change compatible strings to be SoC specific. > > > > Changes since v1: > > - No updates. > > --- > > Documentation/devicetree/bindings/i2c/i2c-sprd.txt | 31 ++++++++++++++++++++ > > 1 file changed, 31 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/i2c/i2c-sprd.txt > > Acked-by: Rob Herring <robh@kernel.org> Thanks Rob.
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>; +}; +
This patch adds the binding documentation for Spreadtrum I2C controller device. Signed-off-by: Baolin Wang <baolin.wang@spreadtrum.com> --- Changes since v2: - Change compatible strings to be SoC specific. Changes since v1: - No updates. --- Documentation/devicetree/bindings/i2c/i2c-sprd.txt | 31 ++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 Documentation/devicetree/bindings/i2c/i2c-sprd.txt