diff options
| author | Charulatha V <charu@ti.com> | 2011-07-04 15:08:46 +0400 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2011-07-04 15:11:08 +0400 |
| commit | 4e9642528cf5d8b5dee5818d796a4535b1748554 (patch) | |
| tree | 7263d6d06b2e09906141a21d88d77563acccc69b /arch/arm/mach-omap2/board-zoom-debugboard.c | |
| parent | e47c3c0c105a87837019535b3d9502ec40b4db43 (diff) | |
| download | linux-4e9642528cf5d8b5dee5818d796a4535b1748554.tar.xz | |
omap: ZOOM: QUART: Request reset GPIO
Reset GPIO (OMAP_GPIO_152) for QUART in zoom2/zoom3 debug-board is
not requested at all. This would lead to problems if this GPIO is
wrongly requested. Hence request OMAP GPIO 152 for QUART RESET but
do not apply a reset pulse as it would reset QUART and
disturb the QUART settings.
Signed-off-by: Charulatha V <charu@ti.com>
Acked-by: Kevin Hilman <khilman@ti.com>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/mach-omap2/board-zoom-debugboard.c')
| -rw-r--r-- | arch/arm/mach-omap2/board-zoom-debugboard.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/board-zoom-debugboard.c b/arch/arm/mach-omap2/board-zoom-debugboard.c index 6402e781c458..369c2eb7715b 100644 --- a/arch/arm/mach-omap2/board-zoom-debugboard.c +++ b/arch/arm/mach-omap2/board-zoom-debugboard.c @@ -23,6 +23,7 @@ #define ZOOM_SMSC911X_GPIO 158 #define ZOOM_QUADUART_CS 3 #define ZOOM_QUADUART_GPIO 102 +#define ZOOM_QUADUART_RST_GPIO 152 #define QUART_CLK 1843200 #define DEBUG_BASE 0x08000000 #define ZOOM_ETHR_START DEBUG_BASE @@ -67,6 +68,14 @@ static inline void __init zoom_init_quaduart(void) unsigned long cs_mem_base; int quart_gpio = 0; + if (gpio_request_one(ZOOM_QUADUART_RST_GPIO, + GPIOF_OUT_INIT_LOW, + "TL16CP754C GPIO") < 0) { + pr_err("Failed to request GPIO%d for TL16CP754C\n", + ZOOM_QUADUART_RST_GPIO); + return; + } + quart_cs = ZOOM_QUADUART_CS; if (gpmc_cs_request(quart_cs, SZ_1M, &cs_mem_base) < 0) { |