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Date: Thu, 14 Aug 2014 19:53:57 +0530
From: Vivek Gautam <gautam.vivek@...sung.com>
To: linux-usb@...r.kernel.org, balbi@...com
Cc: linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
grant.likely@...aro.org, gregkh@...uxfoundation.org,
stern@...land.harvard.edu, jg1.han@...sung.com,
s.nawrocki@...sung.com, k.debski@...sung.com,
Vivek Gautam <gautam.vivek@...sung.com>
Subject: [PATCH RFC 4/7] usb-phy: samsung-usb2: Remove support for Exynos4210
Now that we have moved to new PHY driver for Exynos4210's USB 2.0
controller, which is based on generic phy framework; so removing
the code for Exyno4210.
Signed-off-by: Vivek Gautam <gautam.vivek@...sung.com>
---
drivers/usb/phy/phy-samsung-usb.c | 35 -----------------------------------
drivers/usb/phy/phy-samsung-usb.h | 4 ----
drivers/usb/phy/phy-samsung-usb2.c | 23 -----------------------
3 files changed, 62 deletions(-)
diff --git a/drivers/usb/phy/phy-samsung-usb.c b/drivers/usb/phy/phy-samsung-usb.c
index 0e40db1..51c4102 100644
--- a/drivers/usb/phy/phy-samsung-usb.c
+++ b/drivers/usb/phy/phy-samsung-usb.c
@@ -69,41 +69,6 @@ err0:
EXPORT_SYMBOL_GPL(samsung_usbphy_parse_dt);
/*
- * Set isolation here for phy.
- * Here 'on = true' would mean USB PHY block is isolated, hence
- * de-activated and vice-versa.
- */
-void samsung_usbphy_set_isolation_4210(struct samsung_usbphy *sphy, bool on)
-{
- void __iomem *reg = NULL;
- u32 reg_val;
- u32 en_mask = 0;
-
- if (!sphy->pmuregs) {
- dev_warn(sphy->dev, "Can't set pmu isolation\n");
- return;
- }
-
- if (sphy->phy_type == USB_PHY_TYPE_DEVICE) {
- reg = sphy->pmuregs + sphy->drv_data->devphy_reg_offset;
- en_mask = sphy->drv_data->devphy_en_mask;
- } else if (sphy->phy_type == USB_PHY_TYPE_HOST) {
- reg = sphy->pmuregs + sphy->drv_data->hostphy_reg_offset;
- en_mask = sphy->drv_data->hostphy_en_mask;
- }
-
- reg_val = readl(reg);
-
- if (on)
- reg_val &= ~en_mask;
- else
- reg_val |= en_mask;
-
- writel(reg_val, reg);
-}
-EXPORT_SYMBOL_GPL(samsung_usbphy_set_isolation_4210);
-
-/*
* Configure the mode of working of usb-phy here: HOST/DEVICE.
*/
void samsung_usbphy_cfg_sel(struct samsung_usbphy *sphy)
diff --git a/drivers/usb/phy/phy-samsung-usb.h b/drivers/usb/phy/phy-samsung-usb.h
index 9d03e3b..b36fd88 100644
--- a/drivers/usb/phy/phy-samsung-usb.h
+++ b/drivers/usb/phy/phy-samsung-usb.h
@@ -52,12 +52,10 @@
#endif
#define S3C64XX_USBPHY_ENABLE (0x1 << 16)
-#define EXYNOS_USBPHY_ENABLE (0x1 << 0)
#define EXYNOS_USB20PHY_CFG_HOST_LINK (0x1 << 0)
enum samsung_cpu_type {
TYPE_S3C64XX,
- TYPE_EXYNOS4210,
};
struct samsung_usbphy;
@@ -142,8 +140,6 @@ static inline const struct samsung_usbphy_drvdata
}
extern int samsung_usbphy_parse_dt(struct samsung_usbphy *sphy);
-extern void samsung_usbphy_set_isolation_4210(struct samsung_usbphy *sphy,
- bool on);
extern void samsung_usbphy_cfg_sel(struct samsung_usbphy *sphy);
extern int samsung_usbphy_set_type(struct usb_phy *phy,
enum samsung_usb_phy_type phy_type);
diff --git a/drivers/usb/phy/phy-samsung-usb2.c b/drivers/usb/phy/phy-samsung-usb2.c
index 6b5ce21..2bcc948 100644
--- a/drivers/usb/phy/phy-samsung-usb2.c
+++ b/drivers/usb/phy/phy-samsung-usb2.c
@@ -60,10 +60,6 @@ static void samsung_usb2phy_enable(struct samsung_usbphy *sphy)
phyclk &= ~PHYCLK_COMMON_ON_N;
phypwr &= ~PHYPWR_NORMAL_MASK;
rstcon |= RSTCON_SWRST;
- break;
- case TYPE_EXYNOS4210:
- phypwr &= ~PHYPWR_NORMAL_MASK_PHY0;
- rstcon |= RSTCON_SWRST;
default:
break;
}
@@ -88,9 +84,6 @@ static void samsung_usb2phy_disable(struct samsung_usbphy *sphy)
switch (sphy->drv_data->cpu_type) {
case TYPE_S3C64XX:
phypwr |= PHYPWR_NORMAL_MASK;
- break;
- case TYPE_EXYNOS4210:
- phypwr |= PHYPWR_NORMAL_MASK_PHY0;
default:
break;
}
@@ -289,24 +282,11 @@ static const struct samsung_usbphy_drvdata usb2phy_s3c64xx = {
.phy_disable = samsung_usb2phy_disable,
};
-static const struct samsung_usbphy_drvdata usb2phy_exynos4 = {
- .cpu_type = TYPE_EXYNOS4210,
- .devphy_en_mask = EXYNOS_USBPHY_ENABLE,
- .hostphy_en_mask = EXYNOS_USBPHY_ENABLE,
- .rate_to_clksel = samsung_usbphy_rate_to_clksel_64xx,
- .set_isolation = samsung_usbphy_set_isolation_4210,
- .phy_enable = samsung_usb2phy_enable,
- .phy_disable = samsung_usb2phy_disable,
-};
-
#ifdef CONFIG_OF
static const struct of_device_id samsung_usbphy_dt_match[] = {
{
.compatible = "samsung,s3c64xx-usb2phy",
.data = &usb2phy_s3c64xx,
- }, {
- .compatible = "samsung,exynos4210-usb2phy",
- .data = &usb2phy_exynos4,
},
{},
};
@@ -317,9 +297,6 @@ static struct platform_device_id samsung_usbphy_driver_ids[] = {
{
.name = "s3c64xx-usb2phy",
.driver_data = (unsigned long)&usb2phy_s3c64xx,
- }, {
- .name = "exynos4210-usb2phy",
- .driver_data = (unsigned long)&usb2phy_exynos4,
},
{},
};
--
1.7.10.4
--
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