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authorLinus Torvalds <torvalds@linux-foundation.org>2012-01-10 02:37:41 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2012-01-10 02:37:41 +0400
commit6d889d03ab1417645e76e129834f76204bae37c0 (patch)
tree577e37b5597b27f6de25bbbc634a0f17ccfb15f7 /arch/arm/mach-omap2/omap_phy_internal.c
parent7400c12eb069df781894a94dfa5c865f3fe3e2d4 (diff)
parent421b759b86eb8a914cbbd11f6d09a74f411762c6 (diff)
downloadlinux-6d889d03ab1417645e76e129834f76204bae37c0.tar.xz
Merge tag 'boards' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Board-level changes This adds and extends support for specific boards on a number of ARM platforms: omap, imx, samsung, tegra, ... * tag 'boards' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (49 commits) Enable 32 bit flash support for iMX21ADS board ARM: mx31pdk: Add MC13783 RTC support iomux-mx25: configuration to support CSPI3 on CSI pins MX1:apf9328: Add i2c support mioa701: add newly available DoC G3 chip arm/tegra: remove __initdata annotation from pinmux tables arm/tegra: Use bus notifiers to trigger pinmux setup arm/tegra: Refactor board-*-pinmux.c to share code arm/tegra: Fix mistake in Trimslice's pinmux arm/tegra: Rework Seaboard-vs-Ventana pinmux table arm/tegra: Remove useless entries from ventana_pinmux[] arm/tegra: PCIe: Remove include of mach/pinmux.h arm/tegra: Harmony PCIe: Don't touch pinmux arm/tegra: Add AUXDATA for tegra-pinmux and tegra-gpio arm/tegra: Split Seaboard GPIO table to allow for Ventana ARM: imx6q: generate imx6q dtb files arm/imx6q: Rename Sabreauto to Armadillo2 arm/imx6q-sabrelite: add enet phy ksz9021rn fixup arm/imx6: add imx6q sabrelite board support dts/imx: rename uart labels to consistent with hw spec ...
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 58775e3c8476..4c90477e6f82 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);
+}