diff options
| author | Rajeshwari Shinde <rajeshwari.s@samsung.com> | 2012-05-14 05:52:03 +0000 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2012-07-09 18:27:55 +0200 |
| commit | c48ac11322800d6492ea31f42ca53301a444742a (patch) | |
| tree | de36a7353626853bbf3d0c2954c81fc6a05b3ad9 /arch/arm | |
| parent | 71045da8122c15ffa6cd31079f33b68f2a66b3e5 (diff) | |
EXYNOS: Add power Enable/Disable for USB-EHCI
This patch adds functions to enable/disable the power of USB
host controller for EXYNOS5.
Signed-off-by: Vivek Gautam <gautam.vivek@samsung.com>
Signed-off-by: Che-Liang Chiou <clchiou@chromium.org>
Signed-off-by: Rajeshwari Shinde <rajeshwari.s@samsung.com>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/cpu/armv7/exynos/power.c | 22 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-exynos/power.h | 4 |
2 files changed, 26 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/exynos/power.c b/arch/arm/cpu/armv7/exynos/power.c index c765304fd5..4116781a36 100644 --- a/arch/arm/cpu/armv7/exynos/power.c +++ b/arch/arm/cpu/armv7/exynos/power.c @@ -52,3 +52,25 @@ void set_mipi_phy_ctrl(unsigned int dev_index, unsigned int enable) if (cpu_is_exynos4()) exynos4_mipi_phy_control(dev_index, enable); } + +void exynos5_set_usbhost_phy_ctrl(unsigned int enable) +{ + struct exynos5_power *power = + (struct exynos5_power *)samsung_get_base_power(); + + if (enable) { + /* Enabling USBHOST_PHY */ + setbits_le32(&power->usbhost_phy_control, + POWER_USB_HOST_PHY_CTRL_EN); + } else { + /* Disabling USBHOST_PHY */ + clrbits_le32(&power->usbhost_phy_control, + POWER_USB_HOST_PHY_CTRL_EN); + } +} + +void set_usbhost_phy_ctrl(unsigned int enable) +{ + if (cpu_is_exynos5()) + exynos5_set_usbhost_phy_ctrl(enable); +} diff --git a/arch/arm/include/asm/arch-exynos/power.h b/arch/arm/include/asm/arch-exynos/power.h index 4236bebdf7..e5467e242d 100644 --- a/arch/arm/include/asm/arch-exynos/power.h +++ b/arch/arm/include/asm/arch-exynos/power.h @@ -855,4 +855,8 @@ void set_mipi_phy_ctrl(unsigned int dev_index, unsigned int enable); #define EXYNOS_MIPI_PHY_SRESETN (1 << 1) #define EXYNOS_MIPI_PHY_MRESETN (1 << 2) +void set_usbhost_phy_ctrl(unsigned int enable); + +#define POWER_USB_HOST_PHY_CTRL_EN (1 << 0) +#define POWER_USB_HOST_PHY_CTRL_DISABLE (0 << 0) #endif |