ARM: OMAP: Enable 24xx GPIO autoidling
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>
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@ -1082,6 +1082,10 @@ static int __init _omap_gpio_init(void)
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if (bank->method == METHOD_GPIO_24XX) {
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if (bank->method == METHOD_GPIO_24XX) {
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__raw_writel(0x00000000, bank->base + OMAP24XX_GPIO_IRQENABLE1);
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__raw_writel(0x00000000, bank->base + OMAP24XX_GPIO_IRQENABLE1);
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__raw_writel(0xffffffff, bank->base + OMAP24XX_GPIO_IRQSTATUS1);
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__raw_writel(0xffffffff, bank->base + OMAP24XX_GPIO_IRQSTATUS1);
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__raw_writew(0x0015, bank->base + OMAP24XX_GPIO_SYSCONFIG);
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/* Initialize interface clock ungated, module enabled */
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__raw_writel(0, bank->base + OMAP24XX_GPIO_CTRL);
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gpio_count = 32;
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gpio_count = 32;
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}
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}
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@ -1104,6 +1108,12 @@ static int __init _omap_gpio_init(void)
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if (cpu_is_omap16xx())
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if (cpu_is_omap16xx())
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omap_writel(omap_readl(ULPD_CAM_CLK_CTRL) | 0x04, ULPD_CAM_CLK_CTRL);
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omap_writel(omap_readl(ULPD_CAM_CLK_CTRL) | 0x04, ULPD_CAM_CLK_CTRL);
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#ifdef CONFIG_ARCH_OMAP24XX
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/* Enable autoidle for the OCP interface */
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if (cpu_is_omap24xx())
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omap_writel(1 << 0, 0x48019010);
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#endif
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return 0;
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return 0;
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}
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}
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