diff options
Diffstat (limited to 'recipes/linux/linux-omap-2.6.37/base/0001-omap3-beaglexm-fix-EHCI-power-up-GPIO-dir.patch')
| -rw-r--r-- | recipes/linux/linux-omap-2.6.37/base/0001-omap3-beaglexm-fix-EHCI-power-up-GPIO-dir.patch | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/recipes/linux/linux-omap-2.6.37/base/0001-omap3-beaglexm-fix-EHCI-power-up-GPIO-dir.patch b/recipes/linux/linux-omap-2.6.37/base/0001-omap3-beaglexm-fix-EHCI-power-up-GPIO-dir.patch new file mode 100644 index 0000000000..42bfa4e2f6 --- /dev/null +++ b/recipes/linux/linux-omap-2.6.37/base/0001-omap3-beaglexm-fix-EHCI-power-up-GPIO-dir.patch @@ -0,0 +1,44 @@ +From 3d2f0e2f29320d9c6a6e4d8d5aeff9127a2106cb Mon Sep 17 00:00:00 2001 +From: Koen Kooi <koen@beagleboard.org> +Date: Tue, 11 Jan 2011 17:13:35 +0000 +Subject: [PATCH 01/28] omap3: beaglexm: fix EHCI power up GPIO dir + +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@ti.com: split up, added descriptive changelogs] +Signed-off-by: Nishanth Menon <nm@ti.com> +Signed-off-by: Koen Kooi <koen@beagleboard.org> +Signed-off-by: Tony Lindgren <tony@atomide.com> +--- + arch/arm/mach-omap2/board-omap3beagle.c | 10 ++++++++-- + 1 files changed, 8 insertions(+), 2 deletions(-) + +diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c +index 6c12760..af1166b 100644 +--- a/arch/arm/mach-omap2/board-omap3beagle.c ++++ b/arch/arm/mach-omap2/board-omap3beagle.c +@@ -297,9 +297,15 @@ 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); ++ if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) ++ gpio_direction_output(gpio + TWL4030_GPIO_MAX, 1); ++ else ++ gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0); + + /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */ + gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1; +-- +1.6.6.1 + |