On Fri, Oct 04, 2019 at 02:25:24PM +1300, 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 <[email protected]>
> ---
> .../bindings/gpio/brcm,xgs-iproc.txt | 41 +++++++++++++++++++
> 1 file changed, 41 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/gpio/brcm,xgs-iproc.txt
Please make this a DT schema.
>
> diff --git a/Documentation/devicetree/bindings/gpio/brcm,xgs-iproc.txt
> b/Documentation/devicetree/bindings/gpio/brcm,xgs-iproc.txt
> new file mode 100644
> index 000000000000..328b844c82dc
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/gpio/brcm,xgs-iproc.txt
> @@ -0,0 +1,41 @@
> +Broadcom XGS iProc GPIO controller
> +
> +This controller is the Chip Common A GPIO present on a number of Broadcom
> +switch ASICs with integrated SoCs.
> +
> +Required properties:
> +- compatible:
> + Must be "brcm,iproc-gpio-cca"
> +
> +- reg:
> + The first region defines the base I/O address containing
> + the GPIO controller registers. The second region defines
> + the I/O address containing the Chip Common A interrupt
> + registers.
> +
> +Optional properties:
> +
> +- interrupts:
> + The interrupt shared by all GPIO lines for this controller.
> +
> +- #interrupt-cells:
> + Should be <2>. The first cell is the GPIO number, the second should
> specify
> + flags.
> +
> + See also
> Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
> +
> +- interrupt-controller:
> + Marks the device node as an interrupt controller
> +
> +Example:
> + gpioa: gpio@18000060 {
> + compatible = "brcm,iproc-gpio-cca";
> + #gpio-cells = <2>;
Not documented...
> + reg = <0x18000060 0x50>,
> + <0x18000000 0x50>;
> + ngpios = <12>;
Not documented.
> + gpio-controller;
Not documented.
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>;
> + };
> --
> 2.23.0
>
