On Fri, 07 Nov 2014, Peter Griffin wrote:
> This patch adds the dt nodes for the usb2 picophy found on the stih407
> family of devices. It is used on stih410 and later devices with the ehci/ohci
> usb
> controller, and is also used as the usb2 phy with the dwc3 usb3 controller.
>
> Signed-off-by: Peter Griffin <[email protected]>
> ---
> arch/arm/boot/dts/stih407.dtsi | 46
> ++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 46 insertions(+)
>
> diff --git a/arch/arm/boot/dts/stih407.dtsi b/arch/arm/boot/dts/stih407.dtsi
> index 50637f5..967ec39 100644
> --- a/arch/arm/boot/dts/stih407.dtsi
> +++ b/arch/arm/boot/dts/stih407.dtsi
> @@ -275,5 +275,51 @@
>
> status = "disabled";
> };
> +
> + /* Generic picoPHY */
> + usb2_picophy0: usbpicophy@0 {
> + compatible = "st,stih407-usb2-phy";
> + reg = <0xf8 0x04>, /* syscfg 5062 */
> + <0xf4 0x04>; /* syscfg 5061 */
Are there really only 2 32bit registers to control this h/w?
> + reg-names = "param",
> + "ctrl";
Superflous indentation after 'reg = ' and 'reg-names = '.
> + #phy-cells = <0>;
> +
> + st,syscfg = <&syscfg_core>;
> + resets = <&softreset STIH407_PICOPHY_SOFTRESET>,
> + <&picophyreset STIH407_PICOPHY0_RESET>;
> + reset-names = "global",
> + "port";
May as well put these on the same line.
> + };
> +
> + usb2_picophy1: usbpicophy@1 {
> + compatible = "st,stih407-usb2-phy";
> + #phy-cells = <0>;
> + reg = <0xfc 0x04>, /* syscfg 5063 */
> + <0xf4 0x04>; /* syscfg 5061 */
> + reg-names = "param",
> + "ctrl";
> +
> + st,syscfg = <&syscfg_core>;
> + resets = <&softreset STIH407_PICOPHY_SOFTRESET>,
> + <&picophyreset STIH407_PICOPHY1_RESET>;
> + reset-names = "global",
> + "port";
> + };
> +
> + usb2_picophy2: usbpicophy@2 {
> + compatible = "st,stih407-usb2-phy";
> + #phy-cells = <0>;
> + reg = <0x100 0x04>, /* syscfg 5064 */
> + <0xf4 0x04>; /* syscfg 5061 */
> + reg-names = "param",
> + "ctrl";
> +
> + st,syscfg = <&syscfg_core>;
> + resets = <&softreset STIH407_PICOPHY_SOFTRESET>,
> + <&picophyreset STIH407_PICOPHY2_RESET>;
> + reset-names = "global",
> + "port";
> + };
> };
> };
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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