From 4498cf252bfd7f69a4e9aedd897306211a0be5af Mon Sep 17 00:00:00 2001 From: Piotr Wilczek Date: Thu, 21 Nov 2013 15:46:44 +0100 Subject: [PATCH] driver:usb:s3c_udc: add support for Exynos4x12 This patch add new defines for usb phy for Exynos4x12. Signed-off-by: Piotr Wilczek Signed-off-by: Kyungmin Park Signed-off-by: Minkyu Kang --- 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 84bfcc5a01..ac5d11213d 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 7e2020915e..ba17a04265 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) + 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); -- 2.39.5