[U-Boot] [PATCH V3 1/2] driver:usb:s3c_udc: add support for Exynos4x12

[Minkyu Kang <mk7.kang@samsung.com>]

Dear Piotr,

On 08/11/13 00:00, Piotr Wilczek wrote:
> This patch add new defines for usb phy for Exynos4x12.
> 
> Signed-off-by: Piotr Wilczek <p.wilczek@samsung.com>
> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
> CC: Minkyu Kang <mk7.kang@samsung.com>
> ---
> 
> Chnages for v3:
>  - removed unnecessary empty line
> 
> Changes for v2:
>  - no changes
> 
>  drivers/usb/gadget/regs-otg.h    |    5 +++++
>  drivers/usb/gadget/s3c_udc_otg.c |    9 +++++++--
>  2 files changed, 12 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/usb/gadget/regs-otg.h b/drivers/usb/gadget/regs-otg.h
> index 84bfcc5..ac5d112 100644
> --- a/drivers/usb/gadget/regs-otg.h
> +++ b/drivers/usb/gadget/regs-otg.h
> @@ -226,6 +226,11 @@ struct s3c_usbotg_reg {
>  #define CLK_SEL_12MHZ                   (0x2 << 0)
>  #define CLK_SEL_48MHZ                   (0x0 << 0)
>  
> +#define EXYNOS4X12_ID_PULLUP0		(0x01 << 3)
> +#define EXYNOS4X12_COMMON_ON_N0	(0x01 << 4)
> +#define EXYNOS4X12_CLK_SEL_12MHZ	(0x02 << 0)
> +#define EXYNOS4X12_CLK_SEL_24MHZ	(0x05 << 0)
> +
>  /* Device Configuration Register DCFG */
>  #define DEV_SPEED_HIGH_SPEED_20         (0x0 << 0)
>  #define DEV_SPEED_FULL_SPEED_20         (0x1 << 0)
> diff --git a/drivers/usb/gadget/s3c_udc_otg.c b/drivers/usb/gadget/s3c_udc_otg.c
> index 7e20209..ba17a04 100644
> --- a/drivers/usb/gadget/s3c_udc_otg.c
> +++ b/drivers/usb/gadget/s3c_udc_otg.c
> @@ -167,8 +167,13 @@ void otg_phy_init(struct s3c_udc *dev)
>  		writel((readl(&phy->phypwr) &~(OTG_DISABLE_0 | ANALOG_PWRDOWN)
>  			&~FORCE_SUSPEND_0), &phy->phypwr);
>  
> -	writel((readl(&phy->phyclk) &~(ID_PULLUP0 | COMMON_ON_N0)) |
> -	       CLK_SEL_24MHZ, &phy->phyclk); /* PLL 24Mhz */
> +	if (s5p_cpu_id == 0x4412)

proid_is_exynos4412()

> +		writel((readl(&phy->phyclk) & ~(EXYNOS4X12_ID_PULLUP0 |
> +			EXYNOS4X12_COMMON_ON_N0)) | EXYNOS4X12_CLK_SEL_24MHZ,
> +		       &phy->phyclk); /* PLL 24Mhz */
> +	else
> +		writel((readl(&phy->phyclk) & ~(ID_PULLUP0 | COMMON_ON_N0)) |
> +		       CLK_SEL_24MHZ, &phy->phyclk); /* PLL 24Mhz */
>  
>  	writel((readl(&phy->rstcon) &~(LINK_SW_RST | PHYLNK_SW_RST))
>  	       | PHY_SW_RST0, &phy->rstcon);
> 

Thanks,
Minkyu Kang.