diff options
Diffstat (limited to 'drivers/gpio/gpio-omap.c')
| -rw-r--r-- | drivers/gpio/gpio-omap.c | 110 |
1 files changed, 21 insertions, 89 deletions
diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c index 5cc2c04cd0a..3daedffbd70 100644 --- a/drivers/gpio/gpio-omap.c +++ b/drivers/gpio/gpio-omap.c @@ -51,9 +51,7 @@ struct gpio_bank { u16 virtual_irq_start; int method; u32 suspend_wakeup; -#if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP2PLUS) u32 saved_wakeup; -#endif u32 non_wakeup_gpios; u32 enabled_non_wakeup_gpios; struct gpio_regs context; @@ -598,30 +596,15 @@ static int omap_gpio_request(struct gpio_chip *chip, unsigned offset) static void omap_gpio_free(struct gpio_chip *chip, unsigned offset) { struct gpio_bank *bank = container_of(chip, struct gpio_bank, chip); + void __iomem *base = bank->base; unsigned long flags; spin_lock_irqsave(&bank->lock, flags); -#ifdef CONFIG_ARCH_OMAP16XX - if (bank->method == METHOD_GPIO_1610) { - /* Disable wake-up during idle for dynamic tick */ - void __iomem *reg = bank->base + OMAP1610_GPIO_CLEAR_WAKEUPENA; - __raw_writel(1 << offset, reg); - } -#endif -#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) - if (bank->method == METHOD_GPIO_24XX) { - /* Disable wake-up during idle for dynamic tick */ - void __iomem *reg = bank->base + OMAP24XX_GPIO_CLEARWKUENA; - __raw_writel(1 << offset, reg); - } -#endif -#ifdef CONFIG_ARCH_OMAP4 - if (bank->method == METHOD_GPIO_44XX) { + + if (bank->regs->wkup_en) /* Disable wake-up during idle for dynamic tick */ - void __iomem *reg = bank->base + OMAP4_GPIO_IRQWAKEN0; - __raw_writel(1 << offset, reg); - } -#endif + _gpio_rmw(base, bank->regs->wkup_en, 1 << offset, 0); + bank->mod_usage &= ~(1 << offset); if (bank->regs->ctrl && !bank->mod_usage) { @@ -1071,8 +1054,8 @@ omap_mpuio_alloc_gc(struct gpio_bank *bank, unsigned int irq_start, ct->chip.irq_mask = irq_gc_mask_set_bit; ct->chip.irq_unmask = irq_gc_mask_clr_bit; ct->chip.irq_set_type = gpio_irq_type; - /* REVISIT: assuming only 16xx supports MPUIO wake events */ - if (cpu_is_omap16xx()) + + if (bank->regs->wkup_en) ct->chip.irq_set_wake = gpio_wake_enable, ct->regs.mask = OMAP_MPUIO_GPIO_INT / bank->stride; @@ -1101,7 +1084,8 @@ static void __devinit omap_gpio_chip_init(struct gpio_bank *bank) if (bank_is_mpuio(bank)) { bank->chip.label = "mpuio"; #ifdef CONFIG_ARCH_OMAP16XX - bank->chip.dev = &omap_mpuio_device.dev; + if (bank->regs->wkup_en) + bank->chip.dev = &omap_mpuio_device.dev; #endif bank->chip.base = OMAP_MPUIO(0); } else { @@ -1212,50 +1196,24 @@ err_exit: return ret; } -#if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP2PLUS) static int omap_gpio_suspend(void) { struct gpio_bank *bank; - if (!cpu_class_is_omap2() && !cpu_is_omap16xx()) - return 0; - list_for_each_entry(bank, &omap_gpio_list, node) { + void __iomem *base = bank->base; void __iomem *wake_status; - void __iomem *wake_clear; - void __iomem *wake_set; unsigned long flags; - switch (bank->method) { -#ifdef CONFIG_ARCH_OMAP16XX - case METHOD_GPIO_1610: - wake_status = bank->base + OMAP1610_GPIO_WAKEUPENABLE; - wake_clear = bank->base + OMAP1610_GPIO_CLEAR_WAKEUPENA; - wake_set = bank->base + OMAP1610_GPIO_SET_WAKEUPENA; - break; -#endif -#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) - case METHOD_GPIO_24XX: - wake_status = bank->base + OMAP24XX_GPIO_WAKE_EN; - wake_clear = bank->base + OMAP24XX_GPIO_CLEARWKUENA; - wake_set = bank->base + OMAP24XX_GPIO_SETWKUENA; - break; -#endif -#ifdef CONFIG_ARCH_OMAP4 - case METHOD_GPIO_44XX: - wake_status = bank->base + OMAP4_GPIO_IRQWAKEN0; - wake_clear = bank->base + OMAP4_GPIO_IRQWAKEN0; - wake_set = bank->base + OMAP4_GPIO_IRQWAKEN0; - break; -#endif - default: - continue; - } + if (!bank->regs->wkup_en) + return 0; + + wake_status = bank->base + bank->regs->wkup_en; spin_lock_irqsave(&bank->lock, flags); bank->saved_wakeup = __raw_readl(wake_status); - __raw_writel(0xffffffff, wake_clear); - __raw_writel(bank->suspend_wakeup, wake_set); + _gpio_rmw(base, bank->regs->wkup_en, 0xffffffff, 0); + _gpio_rmw(base, bank->regs->wkup_en, bank->suspend_wakeup, 1); spin_unlock_irqrestore(&bank->lock, flags); } @@ -1266,40 +1224,16 @@ static void omap_gpio_resume(void) { struct gpio_bank *bank; - if (!cpu_class_is_omap2() && !cpu_is_omap16xx()) - return; - list_for_each_entry(bank, &omap_gpio_list, node) { - void __iomem *wake_clear; - void __iomem *wake_set; + void __iomem *base = bank->base; unsigned long flags; - switch (bank->method) { -#ifdef CONFIG_ARCH_OMAP16XX - case METHOD_GPIO_1610: - wake_clear = bank->base + OMAP1610_GPIO_CLEAR_WAKEUPENA; - wake_set = bank->base + OMAP1610_GPIO_SET_WAKEUPENA; - break; -#endif -#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) - case METHOD_GPIO_24XX: - wake_clear = bank->base + OMAP24XX_GPIO_CLEARWKUENA; - wake_set = bank->base + OMAP24XX_GPIO_SETWKUENA; - break; -#endif -#ifdef CONFIG_ARCH_OMAP4 - case METHOD_GPIO_44XX: - wake_clear = bank->base + OMAP4_GPIO_IRQWAKEN0; - wake_set = bank->base + OMAP4_GPIO_IRQWAKEN0; - break; -#endif - default: - continue; - } + if (!bank->regs->wkup_en) + return; spin_lock_irqsave(&bank->lock, flags); - __raw_writel(0xffffffff, wake_clear); - __raw_writel(bank->saved_wakeup, wake_set); + _gpio_rmw(base, bank->regs->wkup_en, 0xffffffff, 0); + _gpio_rmw(base, bank->regs->wkup_en, bank->saved_wakeup, 1); spin_unlock_irqrestore(&bank->lock, flags); } } @@ -1309,8 +1243,6 @@ static struct syscore_ops omap_gpio_syscore_ops = { .resume = omap_gpio_resume, }; -#endif - #ifdef CONFIG_ARCH_OMAP2PLUS static void omap_gpio_save_context(struct gpio_bank *bank); |