Multimedia Daughter card on OMAP3EVM uses port2
as EHCI port. Other ports (port1 and port3)are
not used.
Fixes done includes:
- Port1 GPIO set to -EINVAL
- GPIO 135 as port2 phy reset pin
- Mux setup for GPIO 135
- Chargepump workaround not required on OMAP3EVM
Signed-off-by: Ajay Kumar Gupta <[email protected]>
---
arch/arm/mach-omap2/board-omap3evm.c | 2 +-
arch/arm/mach-omap2/usb-ehci.c | 4 ++++
2 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/arch/arm/mach-omap2/board-omap3evm.c
b/arch/arm/mach-omap2/board-omap3evm.c
index 595beac..ae32e72 100644
--- a/arch/arm/mach-omap2/board-omap3evm.c
+++ b/arch/arm/mach-omap2/board-omap3evm.c
@@ -308,7 +308,7 @@ static void __init omap3_evm_init(void)
omap_serial_init();
usb_musb_init();
- usb_ehci_init(EHCI_HCD_OMAP_MODE_PHY, true, true, 57, 61);
+ usb_ehci_init(EHCI_HCD_OMAP_MODE_PHY, false, true, -EINVAL, 135);
ads7846_dev_init();
}
diff --git a/arch/arm/mach-omap2/usb-ehci.c b/arch/arm/mach-omap2/usb-ehci.c
index 53e6e85..bf4bf77 100644
--- a/arch/arm/mach-omap2/usb-ehci.c
+++ b/arch/arm/mach-omap2/usb-ehci.c
@@ -173,6 +173,10 @@ void __init usb_ehci_init(enum ehci_hcd_omap_mode phy_mode,
if (cpu_is_omap34xx())
setup_ehci_io_mux(phy_mode);
+#ifdef CONFIG_MACH_OMAP3EVM
+ /* Setup phy reset pin for EHCI on OMAP3EVM */
+ omap_cfg_reg(AF4_34XX_GPIO135_OUT);
+#endif
if (platform_device_register(&ehci_device) < 0) {
printk(KERN_ERR "Unable to register HS-USB (EHCI) device\n");
return;
--
1.6.2.4
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