linux-kernel - Re: [PATCH v3 1/2] phy: Kconfig: Re-organize Exynos USB 2.0 PHY configs

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Date:	Mon, 14 Jul 2014 16:55:00 +0530
From:	Vivek Gautam <gautam.vivek@...sung.com>
To:	Sachin Kamat <sachin.kamat@...sung.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-samsung-soc@...r.kernel.org" 
	<linux-samsung-soc@...r.kernel.org>, kishon <kishon@...com>,
	Doug Anderson <dianders@...omium.org>,
	Sachin Kamat <spk.linux@...il.com>
Subject: Re: [PATCH v3 1/2] phy: Kconfig: Re-organize Exynos USB 2.0 PHY configs

On Mon, Jul 14, 2014 at 3:38 PM, Sachin Kamat <sachin.kamat@...sung.com> wrote:
> Since the USB 2.0 PHYs are required with EHCI/OHCI USB drivers and
> USB gadget controller supported by the DWC2 gadget driver, make it
> depend on them and default to ARCH_EXYNOS as they are meant for
> Exynos platforms. Also, make the sub-drivers silent options enabling
> them based on the SoC platforms that they are meant to work with. This
> will make life easier for end users who do not have any way knowing the
> dependencies.
>
> Signed-off-by: Sachin Kamat <sachin.kamat@...sung.com>
> Reviewed-by: Jingoo Han <jg1.han@...sung.com>
> ---
> Changes since v3:
> * Rebased the series on top of latest PHY tree [1].
> [1] git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy.git
> ---
>  drivers/phy/Kconfig |   35 +++++++++++------------------------
>  1 file changed, 11 insertions(+), 24 deletions(-)
>
> diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
> index 5fceb33..c412ca4 100644
> --- a/drivers/phy/Kconfig
> +++ b/drivers/phy/Kconfig
> @@ -132,43 +132,30 @@ config PHY_SUN4I_USB
>  config PHY_SAMSUNG_USB2
>         tristate "Samsung USB 2.0 PHY driver"
>         depends on HAS_IOMEM
> +       depends on USB_EHCI_EXYNOS || USB_OHCI_EXYNOS || USB_DWC2
>         select GENERIC_PHY
>         select MFD_SYSCON
> +       default ARCH_EXYNOS
>         help
>           Enable this to support the Samsung USB 2.0 PHY driver for Samsung
> -         SoCs. This driver provides the interface for USB 2.0 PHY. Support for
> -         particular SoCs has to be enabled in addition to this driver. Number
> -         and type of supported phys depends on the SoC.
> +         SoCs. This driver provides the interface for USB 2.0 PHY. Support
> +         for particular PHYs will be enabled based on the SoC type in addition
> +         to this driver.
>
>  config PHY_EXYNOS4210_USB2
> -       bool "Support for Exynos 4210"
> +       bool
>         depends on PHY_SAMSUNG_USB2
> -       depends on CPU_EXYNOS4210
> -       help
> -         Enable USB PHY support for Exynos 4210. This option requires that
> -         Samsung USB 2.0 PHY driver is enabled and means that support for this
> -         particular SoC is compiled in the driver. In case of Exynos 4210 four
> -         phys are available - device, host, HSIC0 and HSIC1.
> +       default CPU_EXYNOS4210
>
>  config PHY_EXYNOS4X12_USB2
> -       bool "Support for Exynos 3250/4x12"
> +       bool
>         depends on PHY_SAMSUNG_USB2
> -       depends on (SOC_EXYNOS3250 || SOC_EXYNOS4212 || SOC_EXYNOS4412)
> -       help
> -         Enable USB PHY support for Exynos 3250/4x12. This option requires
> -         that Samsung USB 2.0 PHY driver is enabled and means that support for
> -         this particular SoC is compiled in the driver. In case of Exynos 4x12
> -         four phys are available - device, host, HSIC0 and HSIC1.
> +       default SOC_EXYNOS3250 || SOC_EXYNOS4212 || SOC_EXYNOS4412
>
>  config PHY_EXYNOS5250_USB2
> -       bool "Support for Exynos 5250"
> +       bool
>         depends on PHY_SAMSUNG_USB2
> -       depends on SOC_EXYNOS5250
> -       help
> -         Enable USB PHY support for Exynos 5250. This option requires that
> -         Samsung USB 2.0 PHY driver is enabled and means that support for this
> -         particular SoC is compiled in the driver. In case of Exynos 5250 four
> -         phys are available - device, host, HSIC0 and HSIC.
> +       default SOC_EXYNOS5250 || SOC_EXYNOS5420
>
>  config PHY_EXYNOS5_USBDRD
>         tristate "Exynos5 SoC series USB DRD PHY driver"
> --
> 1.7.9.5
>

Tested on Exynos5800 and Exynos5250, with exynos_defconfig patch :
http://www.spinics.net/lists/linux-samsung-soc/msg33994.html

Tested-by: Vivek Gautam <gautam.vivek@...sung.com>


-- 
Best Regards
Vivek Gautam
Samsung R&D Institute, Bangalore
India
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