Aaro Koskinen had written, on 01/10/2011 06:44 AM, the following:
Hi,
On Fri, 7 Jan 2011, Nishanth Menon wrote:
From: Koen Kooi <koen@xxxxxxxxxxxxxxx>
EHCI enable power pin is inverted (active high) in comparison
to vanilla beagle which is active low. Handle this case conditionally.
Without this fix, Beagle XM 4 port EHCI will not function and no
networking will be available
[nm@xxxxxx: split up, added descriptive changelogs]
Signed-off-by: Nishanth Menon <nm@xxxxxx>
Signed-off-by: Koen Kooi <koen@xxxxxxxxxxxxxxx>
---
arch/arm/mach-omap2/board-omap3beagle.c | 9 ++++++++-
1 files changed, 8 insertions(+), 1 deletions(-)
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c
b/arch/arm/mach-omap2/board-omap3beagle.c
index 6c12760..1b5aa7a 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -297,9 +297,16 @@ static int beagle_twl_gpio_setup(struct device *dev,
gpio_request(gpio + 1, "EHCI_nOC");
gpio_direction_input(gpio + 1);
- /* TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, active
low) */
+ /*
+ * TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, XM active
+ * high / others active low)
+ */
gpio_request(gpio + TWL4030_GPIO_MAX, "nEN_USB_PWR");
gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0);
This call should be deleted.
yikes. yep. thanks for catching.
--
Regards,
Nishanth Menon
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