| Message ID | 20170626004434.2757-2-chris.packham@alliedtelesis.co.nz |
|---|---|
| State | Not Applicable, archived |
| Headers | show |
On Sun, Jun 25, 2017 at 7:44 PM, Chris Packham <chris.packham@alliedtelesis.co.nz> wrote: > Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz> > --- > Changes in v2: > - Split dt-binding to separate patch, use "reset-gpios" instead of "gpios". > Changes in v3: > - State the gpio is active low > - Add example > > .../devicetree/bindings/i2c/i2c-pca-platform.txt | 29 ++++++++++++++++++++++ > 1 file changed, 29 insertions(+) > create mode 100644 Documentation/devicetree/bindings/i2c/i2c-pca-platform.txt Acked-by: Rob Herring <robh@kernel.org> -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Mon, Jun 26, 2017 at 12:44:30PM +1200, Chris Packham wrote:
> Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Applied to for-next, thanks!
diff --git a/Documentation/devicetree/bindings/i2c/i2c-pca-platform.txt b/Documentation/devicetree/bindings/i2c/i2c-pca-platform.txt new file mode 100644 index 000000000000..f1f3876bb8e8 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/i2c-pca-platform.txt @@ -0,0 +1,29 @@ +* NXP PCA PCA9564/PCA9665 I2C controller + +The PCA9564/PCA9665 serves as an interface between most standard +parallel-bus microcontrollers/microprocessors and the serial I2C-bus +and allows the parallel bus system to communicate bi-directionally +with the I2C-bus. + +Required properties : + + - reg : Offset and length of the register set for the device + - compatible : one of "nxp,pca9564" or "nxp,pca9665" + +Optional properties + - interrupts : the interrupt number + - interrupt-parent : the phandle for the interrupt controller. + If an interrupt is not specified polling will be used. + - reset-gpios : gpio specifier for gpio connected to RESET_N pin. As the line + is active low, it should be marked GPIO_ACTIVE_LOW. + - clock-frequency : I2C bus frequency. + +Example: + i2c0: i2c@80000 { + compatible = "nxp,pca9564"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x80000 0x4>; + reset-gpios = <&gpio1 0 GPIO_ACTIVE_LOW>; + clock-frequency = <100000>; + };
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz> --- Changes in v2: - Split dt-binding to separate patch, use "reset-gpios" instead of "gpios". Changes in v3: - State the gpio is active low - Add example .../devicetree/bindings/i2c/i2c-pca-platform.txt | 29 ++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 Documentation/devicetree/bindings/i2c/i2c-pca-platform.txt