From 4e9642528cf5d8b5dee5818d796a4535b1748554 Mon Sep 17 00:00:00 2001 From: Charulatha V Date: Mon, 4 Jul 2011 04:08:46 -0700 Subject: [PATCH] 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 Acked-by: Kevin Hilman Cc: Santosh Shilimkar Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/board-zoom-debugboard.c | 9 +++++++++ 1 file changed, 9 insertions(+) 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) { -- 2.39.2