Hi,
On Wednesday 03 September 2014 03:57 PM, Peter Griffin wrote:
> This patch adds the dt documentation for the usb picophy found on stih407 SoC family
> available from STMicroelectronics.
>
> Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@xxxxxx>
> Signed-off-by: Peter Griffin <peter.griffin@xxxxxxxxxx>
> ---
> .../devicetree/bindings/phy/phy-stih407-usb.txt | 37 ++++++++++++++++++++++
> 1 file changed, 37 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/phy/phy-stih407-usb.txt
>
> diff --git a/Documentation/devicetree/bindings/phy/phy-stih407-usb.txt b/Documentation/devicetree/bindings/phy/phy-stih407-usb.txt
> new file mode 100644
> index 0000000..650d346
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/phy-stih407-usb.txt
> @@ -0,0 +1,37 @@
> +ST STiH407 USB-PHY controller
> +
> +This file documents the dt bindings for the picoPHY driver which is the PHY for both USB2 and USB3 host controllers
> +controllers available on STiH407 SoC families.
> +
> +On STiH410, we have to use the DWC3 port#2 with a picoPHY to manage USB2
> +devices. The USB2 Controller will use the ports #0 and #1.
> +
> +This is to document the DT parameters to be passed from the blob in that case.
> +
> +Required properties:
> +- compatible : should be "st,stih407-usb2-phy"
If STiH410 also uses the same driver then you should add a new compatibility
value for it.
> +- reg : contain the offset and length of the system configuration registers
> + used as glue logic to control & parameter phy
> +- reg-names : the names of the system configuration registers in "reg", should be "param" and "reg"
> +- st,syscfg : sysconfig register to manage phy parameter at driver level
> +- resets : list of phandle and reset specifier pairs. There should be two entries, one
> + for the whole phy and one for the port
> +- reset-names : list of reset signal names. Should be "global" and "port"
> +See: Documentation/devicetree/bindings/reset/st,sti-powerdown.txt
> +See: Documentation/devicetree/bindings/reset/reset.txt
> +
> +Example:
> +
> +usb2_picophy0: usbpicophy@0 {
usbpicophy@f8 since you have a reg property ;-)
> + compatible = "st,stih407-usb2-phy";
> + reg = <0xf8 0x04>, /* syscfg 5062 */
> + <0xf4 0x04>; /* syscfg 5061 */
> + reg-names = "param",
> + "ctrl";
> + #phy-cells = <0>;
alignment seems to have gone wrong here.
Thanks
Kishon
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