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Date: Thu, 14 Aug 2014 19:53:56 +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 3/7] usb-phy: samsung-usb2: Remove support for Exynos4X12
Now that we have moved to new PHY driver for Exynos4X12's USB 2.0
controller, which is based on generic phy framework; so removing
this entire code for Exyno4X12.
Signed-off-by: Vivek Gautam <gautam.vivek@...sung.com>
---
drivers/usb/phy/phy-samsung-usb.c | 42 ------------------------------------
drivers/usb/phy/phy-samsung-usb.h | 25 ---------------------
drivers/usb/phy/phy-samsung-usb2.c | 27 -----------------------
3 files changed, 94 deletions(-)
diff --git a/drivers/usb/phy/phy-samsung-usb.c b/drivers/usb/phy/phy-samsung-usb.c
index a07671d..0e40db1 100644
--- a/drivers/usb/phy/phy-samsung-usb.c
+++ b/drivers/usb/phy/phy-samsung-usb.c
@@ -100,11 +100,6 @@ void samsung_usbphy_set_isolation_4210(struct samsung_usbphy *sphy, bool on)
reg_val |= en_mask;
writel(reg_val, reg);
-
- if (sphy->drv_data->cpu_type == TYPE_EXYNOS4X12) {
- writel(reg_val, sphy->pmuregs + EXYNOS4X12_PHY_HSIC_CTRL0);
- writel(reg_val, sphy->pmuregs + EXYNOS4X12_PHY_HSIC_CTRL1);
- }
}
EXPORT_SYMBOL_GPL(samsung_usbphy_set_isolation_4210);
@@ -172,43 +167,6 @@ int samsung_usbphy_rate_to_clksel_64xx(struct samsung_usbphy *sphy,
}
EXPORT_SYMBOL_GPL(samsung_usbphy_rate_to_clksel_64xx);
-int samsung_usbphy_rate_to_clksel_4x12(struct samsung_usbphy *sphy,
- unsigned long rate)
-{
- unsigned int clksel;
-
- switch (rate) {
- case 9600 * KHZ:
- clksel = FSEL_CLKSEL_9600K;
- break;
- case 10 * MHZ:
- clksel = FSEL_CLKSEL_10M;
- break;
- case 12 * MHZ:
- clksel = FSEL_CLKSEL_12M;
- break;
- case 19200 * KHZ:
- clksel = FSEL_CLKSEL_19200K;
- break;
- case 20 * MHZ:
- clksel = FSEL_CLKSEL_20M;
- break;
- case 24 * MHZ:
- clksel = FSEL_CLKSEL_24M;
- break;
- case 50 * MHZ:
- clksel = FSEL_CLKSEL_50M;
- break;
- default:
- dev_err(sphy->dev,
- "Invalid reference clock frequency: %lu\n", rate);
- return -EINVAL;
- }
-
- return clksel;
-}
-EXPORT_SYMBOL_GPL(samsung_usbphy_rate_to_clksel_4x12);
-
/*
* Returns reference clock frequency selection value
*/
diff --git a/drivers/usb/phy/phy-samsung-usb.h b/drivers/usb/phy/phy-samsung-usb.h
index 7083cb6..9d03e3b 100644
--- a/drivers/usb/phy/phy-samsung-usb.h
+++ b/drivers/usb/phy/phy-samsung-usb.h
@@ -47,32 +47,10 @@
#define RSTCON_HLINK_SWRST (0x1 << 1)
#define RSTCON_SWRST (0x1 << 0)
-/* EXYNOS4X12 */
-#define EXYNOS4X12_PHY_HSIC_CTRL0 (0x04)
-#define EXYNOS4X12_PHY_HSIC_CTRL1 (0x08)
-
-#define PHYPWR_NORMAL_MASK_HSIC1 (0x7 << 12)
-#define PHYPWR_NORMAL_MASK_HSIC0 (0x7 << 9)
-#define PHYPWR_NORMAL_MASK_PHY1 (0x7 << 6)
-
-#define RSTCON_HOSTPHY_SWRST (0xf << 3)
-
-#define FSEL_CLKSEL_50M (0x7)
-#define FSEL_CLKSEL_24M (0x5)
-#define FSEL_CLKSEL_20M (0x4)
-#define FSEL_CLKSEL_19200K (0x3)
-#define FSEL_CLKSEL_12M (0x2)
-#define FSEL_CLKSEL_10M (0x1)
-#define FSEL_CLKSEL_9600K (0x0)
-
#ifndef MHZ
#define MHZ (1000*1000)
#endif
-#ifndef KHZ
-#define KHZ (1000)
-#endif
-
#define S3C64XX_USBPHY_ENABLE (0x1 << 16)
#define EXYNOS_USBPHY_ENABLE (0x1 << 0)
#define EXYNOS_USB20PHY_CFG_HOST_LINK (0x1 << 0)
@@ -80,7 +58,6 @@
enum samsung_cpu_type {
TYPE_S3C64XX,
TYPE_EXYNOS4210,
- TYPE_EXYNOS4X12,
};
struct samsung_usbphy;
@@ -173,5 +150,3 @@ extern int samsung_usbphy_set_type(struct usb_phy *phy,
extern int samsung_usbphy_get_refclk_freq(struct samsung_usbphy *sphy);
extern int samsung_usbphy_rate_to_clksel_64xx(struct samsung_usbphy *sphy,
unsigned long rate);
-extern int samsung_usbphy_rate_to_clksel_4x12(struct samsung_usbphy *sphy,
- unsigned long rate);
diff --git a/drivers/usb/phy/phy-samsung-usb2.c b/drivers/usb/phy/phy-samsung-usb2.c
index 9bfa436..6b5ce21 100644
--- a/drivers/usb/phy/phy-samsung-usb2.c
+++ b/drivers/usb/phy/phy-samsung-usb2.c
@@ -61,11 +61,6 @@ static void samsung_usb2phy_enable(struct samsung_usbphy *sphy)
phypwr &= ~PHYPWR_NORMAL_MASK;
rstcon |= RSTCON_SWRST;
break;
- case TYPE_EXYNOS4X12:
- phypwr &= ~(PHYPWR_NORMAL_MASK_HSIC0 |
- PHYPWR_NORMAL_MASK_HSIC1 |
- PHYPWR_NORMAL_MASK_PHY1);
- rstcon |= RSTCON_HOSTPHY_SWRST;
case TYPE_EXYNOS4210:
phypwr &= ~PHYPWR_NORMAL_MASK_PHY0;
rstcon |= RSTCON_SWRST;
@@ -79,8 +74,6 @@ static void samsung_usb2phy_enable(struct samsung_usbphy *sphy)
/* reset all ports of PHY and Link */
writel(rstcon, regs + SAMSUNG_RSTCON);
udelay(10);
- if (sphy->drv_data->cpu_type == TYPE_EXYNOS4X12)
- rstcon &= ~RSTCON_HOSTPHY_SWRST;
rstcon &= ~RSTCON_SWRST;
writel(rstcon, regs + SAMSUNG_RSTCON);
}
@@ -96,10 +89,6 @@ static void samsung_usb2phy_disable(struct samsung_usbphy *sphy)
case TYPE_S3C64XX:
phypwr |= PHYPWR_NORMAL_MASK;
break;
- case TYPE_EXYNOS4X12:
- phypwr |= (PHYPWR_NORMAL_MASK_HSIC0 |
- PHYPWR_NORMAL_MASK_HSIC1 |
- PHYPWR_NORMAL_MASK_PHY1);
case TYPE_EXYNOS4210:
phypwr |= PHYPWR_NORMAL_MASK_PHY0;
default:
@@ -310,16 +299,6 @@ static const struct samsung_usbphy_drvdata usb2phy_exynos4 = {
.phy_disable = samsung_usb2phy_disable,
};
-static const struct samsung_usbphy_drvdata usb2phy_exynos4x12 = {
- .cpu_type = TYPE_EXYNOS4X12,
- .devphy_en_mask = EXYNOS_USBPHY_ENABLE,
- .hostphy_en_mask = EXYNOS_USBPHY_ENABLE,
- .rate_to_clksel = samsung_usbphy_rate_to_clksel_4x12,
- .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[] = {
{
@@ -328,9 +307,6 @@ static const struct of_device_id samsung_usbphy_dt_match[] = {
}, {
.compatible = "samsung,exynos4210-usb2phy",
.data = &usb2phy_exynos4,
- }, {
- .compatible = "samsung,exynos4x12-usb2phy",
- .data = &usb2phy_exynos4x12,
},
{},
};
@@ -344,9 +320,6 @@ static struct platform_device_id samsung_usbphy_driver_ids[] = {
}, {
.name = "exynos4210-usb2phy",
.driver_data = (unsigned long)&usb2phy_exynos4,
- }, {
- .name = "exynos4x12-usb2phy",
- .driver_data = (unsigned long)&usb2phy_exynos4x12,
},
{},
};
--
1.7.10.4
--
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