diff options
| author | Olof Johansson <olof@lixom.net> | 2011-12-15 21:21:08 -0800 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2011-12-15 21:21:08 -0800 |
| commit | 705eb64e2ed78c63b9e2b6002b029ce8710ff7cf (patch) | |
| tree | e4ad7ad6ce919dcc59460b89dfe63e9d2ff9bc63 /arch/arm/mach-omap2/omap_phy_internal.c | |
| parent | dc47ce90c3a822cd7c9e9339fe4d5f61dcb26b50 (diff) | |
| parent | f36217f3a5b5b945619192c033c2785007931e49 (diff) | |
Merge branch 'musb' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into omap/musb
Diffstat (limited to 'arch/arm/mach-omap2/omap_phy_internal.c')
| -rw-r--r-- | arch/arm/mach-omap2/omap_phy_internal.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/omap_phy_internal.c b/arch/arm/mach-omap2/omap_phy_internal.c index 58775e3c847..4c90477e6f8 100644 --- a/arch/arm/mach-omap2/omap_phy_internal.c +++ b/arch/arm/mach-omap2/omap_phy_internal.c @@ -260,3 +260,38 @@ void am35x_set_mode(u8 musb_mode) omap_ctrl_writel(devconf2, AM35XX_CONTROL_DEVCONF2); } + +void ti81xx_musb_phy_power(u8 on) +{ + void __iomem *scm_base = NULL; + u32 usbphycfg; + + scm_base = ioremap(TI81XX_SCM_BASE, SZ_2K); + if (!scm_base) { + pr_err("system control module ioremap failed\n"); + return; + } + + usbphycfg = __raw_readl(scm_base + USBCTRL0); + + if (on) { + if (cpu_is_ti816x()) { + usbphycfg |= TI816X_USBPHY0_NORMAL_MODE; + usbphycfg &= ~TI816X_USBPHY_REFCLK_OSC; + } else if (cpu_is_ti814x()) { + usbphycfg &= ~(USBPHY_CM_PWRDN | USBPHY_OTG_PWRDN + | USBPHY_DPINPUT | USBPHY_DMINPUT); + usbphycfg |= (USBPHY_OTGVDET_EN | USBPHY_OTGSESSEND_EN + | USBPHY_DPOPBUFCTL | USBPHY_DMOPBUFCTL); + } + } else { + if (cpu_is_ti816x()) + usbphycfg &= ~TI816X_USBPHY0_NORMAL_MODE; + else if (cpu_is_ti814x()) + usbphycfg |= USBPHY_CM_PWRDN | USBPHY_OTG_PWRDN; + + } + __raw_writel(usbphycfg, scm_base + USBCTRL0); + + iounmap(scm_base); +} |