linux-kernel - Re: [PATCH 1/2] phy: qualcomm: add qcom dwc3 phy

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Date:   Fri, 3 Apr 2020 14:10:13 +0530
From:   Manu Gautam <mgautam@...eaurora.org>
To:     Ansuel Smith <ansuelsmth@...il.com>, Andy Gross <agross@...nel.org>
Cc:     Andy Gross <agross@...eaurora.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Kishon Vijay Abraham I <kishon@...com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH 1/2] phy: qualcomm: add qcom dwc3 phy

Hi,

On 4/3/2020 5:56 AM, Ansuel Smith wrote:
> This has lost in the original push for the dwc3 qcom driver.
> This is needed for ipq806x SoC as without this the usb ports
> doesn't work at all.
>
> Signed-off-by: Andy Gross <agross@...eaurora.org>
> Signed-off-by: Ansuel Smith <ansuelsmth@...il.com>
> ---
>  drivers/phy/qualcomm/Kconfig         |  12 +
>  drivers/phy/qualcomm/Makefile        |   1 +
>  drivers/phy/qualcomm/phy-qcom-dwc3.c | 578 +++++++++++++++++++++++++++
>  3 files changed, 591 insertions(+)
>  create mode 100644 drivers/phy/qualcomm/phy-qcom-dwc3.c
>
> diff --git a/drivers/phy/qualcomm/Kconfig b/drivers/phy/qualcomm/Kconfig
> index e46824da29f6..3d45a9156f85 100644
> --- a/drivers/phy/qualcomm/Kconfig
> +++ b/drivers/phy/qualcomm/Kconfig
> @@ -91,3 +91,15 @@ config PHY_QCOM_USB_HSIC
>  	select GENERIC_PHY
>  	help
>  	  Support for the USB HSIC ULPI compliant PHY on QCOM chipsets.
> +
> +config PHY_QCOM_DWC3
Please rename to PHY_QCOM_IPQ806X_USB
> +	tristate "QCOM DWC3 USB PHY support"
> +	depends on ARCH_QCOM
> +	depends on HAS_IOMEM
> +	depends on OF
> +	select GENERIC_PHY
> +	help
> +	  This option enables support for the Synopsis PHYs present inside the
> +	  Qualcomm USB3.0 DWC3 controller.  This driver supports both HS and SS
> +	  PHY controllers.

Please mention that driver supports only IPQ806x, as it can't  be used
for all QCOM phy and dwc3 controllers wrappers.


> +
> diff --git a/drivers/phy/qualcomm/Makefile b/drivers/phy/qualcomm/Makefile
> index 283251d6a5d9..04c5a8da941a 100644
> --- a/drivers/phy/qualcomm/Makefile
> +++ b/drivers/phy/qualcomm/Makefile
> @@ -10,3 +10,4 @@ obj-$(CONFIG_PHY_QCOM_UFS_14NM)		+= phy-qcom-ufs-qmp-14nm.o
>  obj-$(CONFIG_PHY_QCOM_UFS_20NM)		+= phy-qcom-ufs-qmp-20nm.o
>  obj-$(CONFIG_PHY_QCOM_USB_HS) 		+= phy-qcom-usb-hs.o
>  obj-$(CONFIG_PHY_QCOM_USB_HSIC) 	+= phy-qcom-usb-hsic.o
> +obj-$(CONFIG_PHY_QCOM_DWC3)		+= phy-qcom-dwc3.o
> diff --git a/drivers/phy/qualcomm/phy-qcom-dwc3.c b/drivers/phy/qualcomm/phy-qcom-dwc3.c
> new file mode 100644
> index 000000000000..f33da199ddde
> --- /dev/null
> +++ b/drivers/phy/qualcomm/phy-qcom-dwc3.c

Rename to phy-qcom-ip806x-usb.c

Please also add qcom_ipq806x_usb as prefix in the function names and structures etc.

> @@ -0,0 +1,578 @@
>
-- 
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