| Message ID | 1409576021-24828-3-git-send-email-anders.berg@avagotech.com |
|---|---|
| State | Awaiting Upstream |
| Headers | show |
I bet Mark and linux-spi are interested in this patch too. Yours, Linus Walleij On Mon, Sep 1, 2014 at 2:53 PM, Anders Berg <anders.berg@avagotech.com> wrote: > Bindings and documentation for AXM55xx SSP chip select controller. > > Signed-off-by: Anders Berg <anders.berg@avagotech.com> > --- > .../devicetree/bindings/gpio/gpio-axxia-sspcs.txt | 36 ++++++++++++++++++++++ > 1 file changed, 36 insertions(+) > create mode 100644 Documentation/devicetree/bindings/gpio/gpio-axxia-sspcs.txt > > diff --git a/Documentation/devicetree/bindings/gpio/gpio-axxia-sspcs.txt b/Documentation/devicetree/bindings/gpio/gpio-axxia-sspcs.txt > new file mode 100644 > index 0000000..a64c695 > --- /dev/null > +++ b/Documentation/devicetree/bindings/gpio/gpio-axxia-sspcs.txt > @@ -0,0 +1,36 @@ > +* Axxia SSP GPIO chip-select driver > + > +The Axxia device has a ARM PL022 Prime Cell SSP controller with an extension of > +five chip select signals that may be controlled by software. This driver > +exports them as GPIOs. > + > +Required properties: > + > + * compatible: should be "lsi,ssp-gpio" > + * reg: address of the chip select control register. > + * gpio-controller: mark the device as gpio controller > + * #gpio-cells: should be 1 and this field specifies the chip select number > + > +Example: > +------- > + > + spics: sspgpio@2010088030 { > + compatible = "lsi,ssp-gpio"; > + #gpio-cells = <1>; > + reg = <0x20 0x10088030 0x00 0x4>; > + gpio-controller; > + }; > + > + spi0: ssp@2010088000 { > + compatible = "arm,pl022", "arm,primecell"; > + #address-cells = <1>; > + #size-cells = <0>; > + reg = <0x20 0x10088000 0x00 0x1000>; > + num-cs = <5>; > + cs-gpios = <&spics 0>, > + <&spics 1>, > + <&spics 2>, > + <&spics 3>, > + <&spics 4>; > + ... > + }; > -- > 1.9.1 > -- 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-axxia-sspcs.txt b/Documentation/devicetree/bindings/gpio/gpio-axxia-sspcs.txt new file mode 100644 index 0000000..a64c695 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/gpio-axxia-sspcs.txt @@ -0,0 +1,36 @@ +* Axxia SSP GPIO chip-select driver + +The Axxia device has a ARM PL022 Prime Cell SSP controller with an extension of +five chip select signals that may be controlled by software. This driver +exports them as GPIOs. + +Required properties: + + * compatible: should be "lsi,ssp-gpio" + * reg: address of the chip select control register. + * gpio-controller: mark the device as gpio controller + * #gpio-cells: should be 1 and this field specifies the chip select number + +Example: +------- + + spics: sspgpio@2010088030 { + compatible = "lsi,ssp-gpio"; + #gpio-cells = <1>; + reg = <0x20 0x10088030 0x00 0x4>; + gpio-controller; + }; + + spi0: ssp@2010088000 { + compatible = "arm,pl022", "arm,primecell"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x20 0x10088000 0x00 0x1000>; + num-cs = <5>; + cs-gpios = <&spics 0>, + <&spics 1>, + <&spics 2>, + <&spics 3>, + <&spics 4>; + ... + };
Bindings and documentation for AXM55xx SSP chip select controller. Signed-off-by: Anders Berg <anders.berg@avagotech.com> --- .../devicetree/bindings/gpio/gpio-axxia-sspcs.txt | 36 ++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/gpio-axxia-sspcs.txt