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Diffstat (limited to 'arch/arm/mach-omap2/omap_phy_internal.c')
-rw-r--r--arch/arm/mach-omap2/omap_phy_internal.c35
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);
+}