| Message ID | 20191024004816.5539-2-chris.packham@alliedtelesis.co.nz (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | gpio: brcm: XGS iProc GPIO driver | expand |
Hi Chris, On 2019-10-23 5:48 p.m., Chris Packham wrote: > This GPIO controller is present on a number of Broadcom switch ASICs > with integrated SoCs. It is similar to the nsp-gpio and iproc-gpio > blocks but different enough to require a separate driver. > > Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz> > --- > > Notes: > Changes in v3: > - incorporate review comments from Rob and Bart > > Changes in v2: > - Document as DT schema > - Include ngpios, #gpio-cells and gpio-controller properties > > .../bindings/gpio/brcm,xgs-iproc.yaml | 70 +++++++++++++++++++ > 1 file changed, 70 insertions(+) > create mode 100644 Documentation/devicetree/bindings/gpio/brcm,xgs-iproc.yaml > > diff --git a/Documentation/devicetree/bindings/gpio/brcm,xgs-iproc.yaml b/Documentation/devicetree/bindings/gpio/brcm,xgs-iproc.yaml > new file mode 100644 > index 000000000000..ec1fd3a64aa2 > --- /dev/null > +++ b/Documentation/devicetree/bindings/gpio/brcm,xgs-iproc.yaml This doc needs to have gpio in the name to make all other gpio binding documents. ie. brcm,xgs-iproc-gpio.yaml. > @@ -0,0 +1,70 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/gpio/brcm,xgs-iproc.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Broadcom XGS iProc GPIO controller > + > +maintainers: > + - Chris Packham <chris.packham@alliedtelesis.co.nz> > + > +description: | > + This controller is the Chip Common A GPIO present on a number of Broadcom > + switch ASICs with integrated SoCs. > + > +properties: > + compatible: > + const: brcm,iproc-gpio-cca > + > + reg: > + items: > + - description: the I/O address containing the GPIO controller > + registers. > + - description: the I/O address containing the Chip Common A interrupt > + registers. > + > + gpio-controller: true > + > + '#gpio-cells': > + const: 2 > + > + ngpios: > + minimum: 0 > + maximum: 32 > + > + interrupt-controller: true > + > + '#interrupt-cells': > + const: 2 > + > + interrupts: > + maxItems: 1 > + > +required: > + - compatible > + - reg > + - "#gpio-cells" > + - gpio-controller > + > +dependencies: > + interrupt-controller: [ interrupts ] > + > +examples: > + - | > + #include <dt-bindings/interrupt-controller/irq.h> > + #include <dt-bindings/interrupt-controller/arm-gic.h> > + gpio@18000060 { > + compatible = "brcm,iproc-gpio-cca"; > + #gpio-cells = <2>; > + reg = <0x18000060 0x50>, > + <0x18000000 0x50>; > + ngpios = <12>; > + gpio-controller; > + interrupt-controller; > + #interrupt-cells = <2>; > + interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>; > + }; > + > + > +...
diff --git a/Documentation/devicetree/bindings/gpio/brcm,xgs-iproc.yaml b/Documentation/devicetree/bindings/gpio/brcm,xgs-iproc.yaml new file mode 100644 index 000000000000..ec1fd3a64aa2 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/brcm,xgs-iproc.yaml @@ -0,0 +1,70 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/brcm,xgs-iproc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom XGS iProc GPIO controller + +maintainers: + - Chris Packham <chris.packham@alliedtelesis.co.nz> + +description: | + This controller is the Chip Common A GPIO present on a number of Broadcom + switch ASICs with integrated SoCs. + +properties: + compatible: + const: brcm,iproc-gpio-cca + + reg: + items: + - description: the I/O address containing the GPIO controller + registers. + - description: the I/O address containing the Chip Common A interrupt + registers. + + gpio-controller: true + + '#gpio-cells': + const: 2 + + ngpios: + minimum: 0 + maximum: 32 + + interrupt-controller: true + + '#interrupt-cells': + const: 2 + + interrupts: + maxItems: 1 + +required: + - compatible + - reg + - "#gpio-cells" + - gpio-controller + +dependencies: + interrupt-controller: [ interrupts ] + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + gpio@18000060 { + compatible = "brcm,iproc-gpio-cca"; + #gpio-cells = <2>; + reg = <0x18000060 0x50>, + <0x18000000 0x50>; + ngpios = <12>; + gpio-controller; + interrupt-controller; + #interrupt-cells = <2>; + interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>; + }; + + +...
This GPIO controller is present on a number of Broadcom switch ASICs with integrated SoCs. It is similar to the nsp-gpio and iproc-gpio blocks but different enough to require a separate driver. Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz> --- Notes: Changes in v3: - incorporate review comments from Rob and Bart Changes in v2: - Document as DT schema - Include ngpios, #gpio-cells and gpio-controller properties .../bindings/gpio/brcm,xgs-iproc.yaml | 70 +++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/brcm,xgs-iproc.yaml