Re: [PATCH 1/2] drivers: usb: phy: Add qoriq usb 3.0 phy driver support

From: Rob Herring
Date: Tue Nov 15 2016 - 19:07:54 EST


On Mon, Nov 14, 2016 at 10:56:54AM +0530, Sriram Dash wrote:
> Adds qoriq usb 3.0 phy driver support for LS1043A platform.
> Describes the qoriq usb 2.0 phy driver binding, currently used
> for LS1043A platform.
>
> Signed-off-by: Sriram Dash <sriram.dash@xxxxxxx>
> ---
> .../devicetree/bindings/phy/phy-qoriq-usb3.txt | 36 ++++
> drivers/phy/Kconfig | 8 +
> drivers/phy/Makefile | 1 +
> drivers/phy/phy-qoriq-usb3.c | 202 +++++++++++++++++++++
> 4 files changed, 247 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/phy/phy-qoriq-usb3.txt
> create mode 100644 drivers/phy/phy-qoriq-usb3.c
>
> diff --git a/Documentation/devicetree/bindings/phy/phy-qoriq-usb3.txt b/Documentation/devicetree/bindings/phy/phy-qoriq-usb3.txt
> new file mode 100644
> index 0000000..d934c80
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/phy-qoriq-usb3.txt
> @@ -0,0 +1,36 @@
> +Driver for Freescale USB 3.0 PHY
> +
> +Required properties:
> +
> +- compatible : fsl,qoriq-usb3-phy
> +- reg : register mappings for Parameter Configuration Register
> + and Phy base offset.
> +- reg-names : "param_ctrl" and "phy_base"
> +- phy_type : For multi port host USB controllers, should be one of
> + "ulpi", or "serial". For dual role USB controllers,
> + should be one of "ulpi", "utmi", "utmi_wide", or "serial".

Do any of these really apply to a USB3 PHY?

Rob

> +
> +Example:
> + usbphy0: usb3-phy@084F0000 {

usb-phy@...

> + compatible = "fsl,qoriq-usb3-phy";
> + reg = <0x0 0x01570070 0x0 0xC>, <0x0 0x084F0000 0x0 0x5000>;
> + reg-names = "param_ctrl", "phy_base";
> + #phy-cells = <0>;
> + phy_type = "utmi";
> + };
> +
> + usbphy1: usb3-phy@08500000 {
> + compatible = "fsl,qoriq-usb3-phy";
> + reg = <0x0 0x0157007C 0x0 0xC>, <0x0 0x08500000 0x0 0x5000>;
> + reg-names = "param_ctrl", "phy_base";
> + #phy-cells = <0>;
> + phy_type = "utmi";
> + };
> +
> + usbphy2: usb3-phy@08510000 {
> + compatible = "fsl,qoriq-usb3-phy";
> + reg = <0x0 0x01570088 0x0 0xC>, <0x0 0x08510000 0x0 0x5000>;
> + reg-names = "param_ctrl", "phy_base";
> + #phy-cells = <0>;
> + phy_type = "utmi";
> + };