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authorLinus Torvalds <torvalds@linux-foundation.org>2012-07-23 16:08:40 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-07-23 16:08:40 -0700
commit5e512d0785e67d9ff41ee4af39bb71fc6161d5c9 (patch)
tree5b0decd6d5b11138a6614c4f7b17592aa76520c6 /arch/arm/mach-imx/ehci-imx25.c
parent451ce7f9cf2d17e34d5d64b76cac047a2a1a3b89 (diff)
parent233de298cb44e7dd300cd68f5abd7f1a75561fd5 (diff)
downloadop-kernel-dev-5e512d0785e67d9ff41ee4af39bb71fc6161d5c9.zip
op-kernel-dev-5e512d0785e67d9ff41ee4af39bb71fc6161d5c9.tar.gz
Merge tag 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull arm soc-specific updates from Arnd Bergmann: "This is stuff that does not fit well into another category and in particular is not related to a particular board. The largest part in here is extending the am33xx support in the omap platform." Fix up trivial conflicts in arch/arm/mach-{imx/mach-mx35_3ds.c, tegra/Makefile} * tag 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (74 commits) ARM: LPC32xx: Add PWM support ARM: LPC32xx: Add PWM clock ARM: LPC32xx: Set system serial based on cpu unique id ARM: vexpress: Config option for early printk console ARM: vexpress: Add Device Tree for V2P-CA15_CA7 core tile ARM: vexpress: Convert V2P-CA15 Device Tree to 64 bit addresses ARM: vexpress: Add fixed regulator for SMSC ARM: vexpress: Add missing SP804 interrupt in motherboard's DTS files ARM: vexpress: Initial common clock support ARM: SAMSUNG: Introduce Kconfig variable for Samsung custom clk API ARM: EXYNOS: Add missing static storage class specifier in pmu.c file ARM: EXYNOS: Make combiner_init function static ARM: EXYNOS: Update HSOTG PHY clock setting for EXYNOS4X12 ARM: versatile: Make plat-versatile clock optional ARM: vexpress: Check master site in daughterboard's sysctl operations ARM: vexpress: remove automatic errata workaround selection ARM: LPC32xx: Adjust to pl08x DMA interface changes ARM: EXYNOS: Clear SYS_WDTRESET bit to use watchdog reset ARM: imx: fix mx51 ehci setup errors ARM: imx: make ehci power/oc polarities configurable ...
Diffstat (limited to 'arch/arm/mach-imx/ehci-imx25.c')
-rw-r--r--arch/arm/mach-imx/ehci-imx25.c24
1 files changed, 21 insertions, 3 deletions
diff --git a/arch/arm/mach-imx/ehci-imx25.c b/arch/arm/mach-imx/ehci-imx25.c
index 865daf0..05bb41d 100644
--- a/arch/arm/mach-imx/ehci-imx25.c
+++ b/arch/arm/mach-imx/ehci-imx25.c
@@ -24,14 +24,18 @@
#define MX25_OTG_SIC_SHIFT 29
#define MX25_OTG_SIC_MASK (0x3 << MX25_OTG_SIC_SHIFT)
#define MX25_OTG_PM_BIT (1 << 24)
+#define MX25_OTG_PP_BIT (1 << 11)
+#define MX25_OTG_OCPOL_BIT (1 << 3)
#define MX25_H1_SIC_SHIFT 21
#define MX25_H1_SIC_MASK (0x3 << MX25_H1_SIC_SHIFT)
+#define MX25_H1_PP_BIT (1 << 18)
#define MX25_H1_PM_BIT (1 << 8)
#define MX25_H1_IPPUE_UP_BIT (1 << 7)
#define MX25_H1_IPPUE_DOWN_BIT (1 << 6)
#define MX25_H1_TLL_BIT (1 << 5)
#define MX25_H1_USBTE_BIT (1 << 4)
+#define MX25_H1_OCPOL_BIT (1 << 2)
int mx25_initialize_usb_hw(int port, unsigned int flags)
{
@@ -41,21 +45,35 @@ int mx25_initialize_usb_hw(int port, unsigned int flags)
switch (port) {
case 0: /* OTG port */
- v &= ~(MX25_OTG_SIC_MASK | MX25_OTG_PM_BIT);
+ v &= ~(MX25_OTG_SIC_MASK | MX25_OTG_PM_BIT | MX25_OTG_PP_BIT |
+ MX25_OTG_OCPOL_BIT);
v |= (flags & MXC_EHCI_INTERFACE_MASK) << MX25_OTG_SIC_SHIFT;
if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))
v |= MX25_OTG_PM_BIT;
+ if (flags & MXC_EHCI_PWR_PIN_ACTIVE_HIGH)
+ v |= MX25_OTG_PP_BIT;
+
+ if (!(flags & MXC_EHCI_OC_PIN_ACTIVE_LOW))
+ v |= MX25_OTG_OCPOL_BIT;
+
break;
case 1: /* H1 port */
- v &= ~(MX25_H1_SIC_MASK | MX25_H1_PM_BIT | MX25_H1_TLL_BIT |
- MX25_H1_USBTE_BIT | MX25_H1_IPPUE_DOWN_BIT | MX25_H1_IPPUE_UP_BIT);
+ v &= ~(MX25_H1_SIC_MASK | MX25_H1_PM_BIT | MX25_H1_PP_BIT |
+ MX25_H1_OCPOL_BIT | MX25_H1_TLL_BIT | MX25_H1_USBTE_BIT |
+ MX25_H1_IPPUE_DOWN_BIT | MX25_H1_IPPUE_UP_BIT);
v |= (flags & MXC_EHCI_INTERFACE_MASK) << MX25_H1_SIC_SHIFT;
if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))
v |= MX25_H1_PM_BIT;
+ if (flags & MXC_EHCI_PWR_PIN_ACTIVE_HIGH)
+ v |= MX25_H1_PP_BIT;
+
+ if (!(flags & MXC_EHCI_OC_PIN_ACTIVE_LOW))
+ v |= MX25_H1_OCPOL_BIT;
+
if (!(flags & MXC_EHCI_TTL_ENABLED))
v |= MX25_H1_TLL_BIT;
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