| Message ID | 2834309f69a1ec37b84a33f153a3d0b90336bcc6.1517453568.git.baolin.wang@linaro.org |
|---|---|
| State | Superseded |
| Headers | show |
| Series | [v2,1/2] dt-bindings: gpio: Add Spreadtrum GPIO controller documentation | expand |
On Thu, Feb 01, 2018 at 11:04:31AM +0800, Baolin Wang wrote: > This patch adds the device tree bindings for the Spreadtrum > GPIO controller. The gpios will be supported by the GPIO > generic library. > > Signed-off-by: Baolin Wang <baolin.wang@linaro.org> > --- > Changes since v1: > - No updates. > --- > .../devicetree/bindings/gpio/gpio-sprd.txt | 28 ++++++++++++++++++++ > 1 file changed, 28 insertions(+) > create mode 100644 Documentation/devicetree/bindings/gpio/gpio-sprd.txt Reviewed-by: Rob Herring <robh@kernel.org> -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/Documentation/devicetree/bindings/gpio/gpio-sprd.txt b/Documentation/devicetree/bindings/gpio/gpio-sprd.txt new file mode 100644 index 0000000..eca97d4 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/gpio-sprd.txt @@ -0,0 +1,28 @@ +Spreadtrum GPIO controller bindings + +The controller's registers are organized as sets of sixteen 16-bit +registers with each set controlling a bank of up to 16 pins. A single +interrupt is shared for all of the banks handled by the controller. + +Required properties: +- compatible: Should be "sprd,sc9860-gpio". +- reg: Define the base and range of the I/O address space containing +the GPIO controller registers. +- gpio-controller: Marks the device node as a GPIO controller. +- #gpio-cells: Should be <2>. The first cell is the gpio number and +the second cell is used to specify optional parameters. +- interrupt-controller: Marks the device node as an interrupt controller. +- #interrupt-cells: Should be <2>. Specifies the number of cells needed +to encode interrupt source. +- interrupts: Should be the port interrupt shared by all the gpios. + +Example: + ap_gpio: gpio@40280000 { + compatible = "sprd,sc9860-gpio"; + reg = <0 0x40280000 0 0x1000>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + interrupts = <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>; + };
This patch adds the device tree bindings for the Spreadtrum GPIO controller. The gpios will be supported by the GPIO generic library. Signed-off-by: Baolin Wang <baolin.wang@linaro.org> --- Changes since v1: - No updates. --- .../devicetree/bindings/gpio/gpio-sprd.txt | 28 ++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/gpio-sprd.txt -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html