From: Kevin Hilman <khilman@ti.com>
Date: Fri, 22 Apr 2011 19:02:05 +0000 (-0700)
Subject: gpio/omap: debounce remove SoC specific registers, use pdata
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=9942da0e4b037a852b230208410141768d473deb;p=openwrt%2Fstaging%2Fblogic.git

gpio/omap: debounce remove SoC specific registers, use pdata

Use register offsets passed in from pdata for accessing debounce registers.

Signed-off-by: Kevin Hilman <khilman@ti.com>
---

diff --git a/arch/arm/mach-omap2/gpio.c b/arch/arm/mach-omap2/gpio.c
index cc26677a12f8..316d930651f1 100644
--- a/arch/arm/mach-omap2/gpio.c
+++ b/arch/arm/mach-omap2/gpio.c
@@ -81,6 +81,8 @@ static int omap2_gpio_dev_init(struct omap_hwmod *oh, void *unused)
 		pdata->regs->irqenable = OMAP24XX_GPIO_IRQENABLE1;
 		pdata->regs->set_irqenable = OMAP24XX_GPIO_SETIRQENABLE1;
 		pdata->regs->clr_irqenable = OMAP24XX_GPIO_CLEARIRQENABLE1;
+		pdata->regs->debounce = OMAP24XX_GPIO_DEBOUNCE_VAL;
+		pdata->regs->debounce_en = OMAP24XX_GPIO_DEBOUNCE_EN;
 		break;
 	case 2:
 		pdata->bank_type = METHOD_GPIO_44XX;
@@ -94,6 +96,8 @@ static int omap2_gpio_dev_init(struct omap_hwmod *oh, void *unused)
 		pdata->regs->irqenable = OMAP4_GPIO_IRQSTATUSSET0;
 		pdata->regs->set_irqenable = OMAP4_GPIO_IRQSTATUSSET0;
 		pdata->regs->clr_irqenable = OMAP4_GPIO_IRQSTATUSCLR0;
+		pdata->regs->debounce = OMAP4_GPIO_DEBOUNCINGTIME;
+		pdata->regs->debounce_en = OMAP4_GPIO_DEBOUNCENABLE;
 		break;
 	default:
 		WARN(1, "Invalid gpio bank_type\n");
diff --git a/arch/arm/plat-omap/include/plat/gpio.h b/arch/arm/plat-omap/include/plat/gpio.h
index c7e3a56340c0..7a3f067ee532 100644
--- a/arch/arm/plat-omap/include/plat/gpio.h
+++ b/arch/arm/plat-omap/include/plat/gpio.h
@@ -185,6 +185,8 @@ struct omap_gpio_reg_offs {
 	u16 irqenable;
 	u16 set_irqenable;
 	u16 clr_irqenable;
+	u16 debounce;
+	u16 debounce_en;
 
 	bool irqenable_inv;
 };
diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
index dbe0cf36e909..f212d236f908 100644
--- a/drivers/gpio/gpio-omap.c
+++ b/drivers/gpio/gpio-omap.c
@@ -168,7 +168,7 @@ do {	\
 static void _set_gpio_debounce(struct gpio_bank *bank, unsigned gpio,
 		unsigned debounce)
 {
-	void __iomem		*reg = bank->base;
+	void __iomem		*reg;
 	u32			val;
 	u32			l;
 
@@ -184,19 +184,10 @@ static void _set_gpio_debounce(struct gpio_bank *bank, unsigned gpio,
 
 	l = GPIO_BIT(bank, gpio);
 
-	if (bank->method == METHOD_GPIO_44XX)
-		reg += OMAP4_GPIO_DEBOUNCINGTIME;
-	else
-		reg += OMAP24XX_GPIO_DEBOUNCE_VAL;
-
+	reg = bank->base + bank->regs->debounce;
 	__raw_writel(debounce, reg);
 
-	reg = bank->base;
-	if (bank->method == METHOD_GPIO_44XX)
-		reg += OMAP4_GPIO_DEBOUNCENABLE;
-	else
-		reg += OMAP24XX_GPIO_DEBOUNCE_EN;
-
+	reg = bank->base + bank->regs->debounce_en;
 	val = __raw_readl(reg);
 
 	if (debounce) {