| Message ID | 1412885241-12476-1-git-send-email-blogic@openwrt.org |
|---|---|
| State | Superseded |
| Headers | show |
hi linus, ralf please ignore these 2 patches, i sent an old version. i will resend in a bit with the 2nd gpio driver and the ARCH_REQUIRE_GPIOLIB patch added. John On 09/10/2014 22:07, John Crispin wrote: > Describe gpio-rt2880 binding. > > Signed-off-by: John Crispin <blogic@openwrt.org> Cc: > linux-mips@linux-mips.org Cc: devicetree@vger.kernel.org Cc: > linux-gpio@vger.kernel.org --- > .../devicetree/bindings/gpio/gpio-rt2880.txt | 40 > ++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode > 100644 Documentation/devicetree/bindings/gpio/gpio-rt2880.txt > > diff --git a/Documentation/devicetree/bindings/gpio/gpio-rt2880.txt > b/Documentation/devicetree/bindings/gpio/gpio-rt2880.txt new file > mode 100644 index 0000000..b4acf02 --- /dev/null +++ > b/Documentation/devicetree/bindings/gpio/gpio-rt2880.txt @@ -0,0 > +1,40 @@ +Ralink SoC GPIO controller bindings + +Required > properties: +- compatible: + - "ralink,rt2880-gpio" for Ralink > controllers +- #gpio-cells : Should be two. + - first cell is the > pin number + - second cell is used to specify optional parameters > (unused) +- gpio-controller : Marks the device node as a GPIO > controller +- reg : Physical base address and length of the > controller's registers +- interrupt-parent: phandle to the INTC > device node +- interrupts : Specify the INTC interrupt number +- > ralink,num-gpios : Specify the number of GPIOs +- > ralink,register-map : The register layout depends on the GPIO bank > and actual + SoC type. Register offsets need to be in this order. > + [ INT, EDGE, RENA, FENA, DATA, DIR, POL, SET, RESET, TOGGLE ] + > +Optional properties: +- ralink,gpio-base : Specify the GPIO chips > base number + +Example: + + gpio0: gpio@600 { + compatible = > "ralink,rt5350-gpio", "ralink,rt2880-gpio"; + + #gpio-cells = > <2>; + gpio-controller; + + reg = <0x600 0x34>; + + > interrupt-parent = <&intc>; + interrupts = <6>; + + > ralink,gpio-base = <0>; + ralink,num-gpios = <24>; + > ralink,register-map = [ 00 04 08 0c + 20 24 28 2c + 30 34 ]; > + + }; > -- 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-rt2880.txt b/Documentation/devicetree/bindings/gpio/gpio-rt2880.txt new file mode 100644 index 0000000..b4acf02 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/gpio-rt2880.txt @@ -0,0 +1,40 @@ +Ralink SoC GPIO controller bindings + +Required properties: +- compatible: + - "ralink,rt2880-gpio" for Ralink controllers +- #gpio-cells : Should be two. + - first cell is the pin number + - second cell is used to specify optional parameters (unused) +- gpio-controller : Marks the device node as a GPIO controller +- reg : Physical base address and length of the controller's registers +- interrupt-parent: phandle to the INTC device node +- interrupts : Specify the INTC interrupt number +- ralink,num-gpios : Specify the number of GPIOs +- ralink,register-map : The register layout depends on the GPIO bank and actual + SoC type. Register offsets need to be in this order. + [ INT, EDGE, RENA, FENA, DATA, DIR, POL, SET, RESET, TOGGLE ] + +Optional properties: +- ralink,gpio-base : Specify the GPIO chips base number + +Example: + + gpio0: gpio@600 { + compatible = "ralink,rt5350-gpio", "ralink,rt2880-gpio"; + + #gpio-cells = <2>; + gpio-controller; + + reg = <0x600 0x34>; + + interrupt-parent = <&intc>; + interrupts = <6>; + + ralink,gpio-base = <0>; + ralink,num-gpios = <24>; + ralink,register-map = [ 00 04 08 0c + 20 24 28 2c + 30 34 ]; + + };
Describe gpio-rt2880 binding. Signed-off-by: John Crispin <blogic@openwrt.org> Cc: linux-mips@linux-mips.org Cc: devicetree@vger.kernel.org Cc: linux-gpio@vger.kernel.org --- .../devicetree/bindings/gpio/gpio-rt2880.txt | 40 ++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/gpio-rt2880.txt