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ARM: OMAP: Enable 24xx GPIO autoidling

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Enable 24xx GPIO autoidling

Signed-off-by: Juha Yrjola <juha.yrjola@solidboot.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Juha Yrjola 2006-12-06 17:13:48 -08:00 committed by Russell King
parent 235b185ce4
commit 14f1c3bf51
1 changed files with 10 additions and 0 deletions
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10
arch/arm/plat-omap/gpio.c
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@ -1082,6 +1082,10 @@ static int __init _omap_gpio_init(void)
if (bank->method == METHOD_GPIO_24XX) {
__raw_writel(0x00000000, bank->base + OMAP24XX_GPIO_IRQENABLE1);
__raw_writel(0xffffffff, bank->base + OMAP24XX_GPIO_IRQSTATUS1);
__raw_writew(0x0015, bank->base + OMAP24XX_GPIO_SYSCONFIG);
/* Initialize interface clock ungated, module enabled */
__raw_writel(0, bank->base + OMAP24XX_GPIO_CTRL);
gpio_count = 32;
}
@ -1104,6 +1108,12 @@ static int __init _omap_gpio_init(void)
if (cpu_is_omap16xx())
omap_writel(omap_readl(ULPD_CAM_CLK_CTRL) | 0x04, ULPD_CAM_CLK_CTRL);
#ifdef CONFIG_ARCH_OMAP24XX
/* Enable autoidle for the OCP interface */
if (cpu_is_omap24xx())
omap_writel(1 << 0, 0x48019010);
#endif
return 0;
}