On Mon, Oct 19, 2015 at 12:43 AM, Pramod Kumar <pramo...@broadcom.com> wrote: > If GPIO controller's pins are muxed, pin-controller subsystem > need to be intimated by defining mapping between gpio and > pinmux controller. This patch adds required properties to > define this mapping via DT. > > Signed-off-by: Pramod Kumar <pramo...@broadcom.com> > Reviewed-by: Ray Jui <r...@broadcom.com> > Reviewed-by: Scott Branden <sbran...@broadcom.com>
Acked-by: Rob Herring <r...@kernel.org> > --- > .../devicetree/bindings/pinctrl/brcm,cygnus-gpio.txt | 12 > +++++++++--- > 1 file changed, 9 insertions(+), 3 deletions(-) > > diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,cygnus-gpio.txt > b/Documentation/devicetree/bindings/pinctrl/brcm,cygnus-gpio.txt > index 6540ca5..25a5002 100644 > --- a/Documentation/devicetree/bindings/pinctrl/brcm,cygnus-gpio.txt > +++ b/Documentation/devicetree/bindings/pinctrl/brcm,cygnus-gpio.txt > @@ -26,9 +26,13 @@ Optional properties: > - interrupt-controller: > Specifies that the node is an interrupt controller > > -- pinmux: > - Specifies the phandle to the IOMUX device, where pins can be individually > -muxed to GPIO > +- gpio-ranges: > + Specifies the mapping between gpio controller and pin-controllers pins. > + This requires 4 fields in cells defined as - > + 1. Phandle of pin-controller. > + 2. GPIO base pin offset. > + 3 Pin-control base pin offset. > + 4. number of gpio pins which are linearly mapped from pin base. > > Supported generic PINCONF properties in child nodes: > > @@ -78,6 +82,8 @@ Example: > gpio-controller; > interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>; > interrupt-controller; > + gpio-ranges = <&pinctrl 0 42 1>, > + <&pinctrl 1 44 3>; > }; > > /* > -- > 1.9.1 > -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
