diff options
Diffstat (limited to 'drivers/pinctrl/samsung/pinctrl-exynos.c')
| -rw-r--r-- | drivers/pinctrl/samsung/pinctrl-exynos.c | 72 |
1 files changed, 64 insertions, 8 deletions
diff --git a/drivers/pinctrl/samsung/pinctrl-exynos.c b/drivers/pinctrl/samsung/pinctrl-exynos.c index 5d7b788282e9..71e86b2e7b21 100644 --- a/drivers/pinctrl/samsung/pinctrl-exynos.c +++ b/drivers/pinctrl/samsung/pinctrl-exynos.c @@ -52,10 +52,15 @@ static void exynos_irq_mask(struct irq_data *irqd) struct irq_chip *chip = irq_data_get_irq_chip(irqd); struct exynos_irq_chip *our_chip = to_exynos_irq_chip(chip); struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd); - unsigned long reg_mask = our_chip->eint_mask + bank->eint_offset; + unsigned long reg_mask; unsigned int mask; unsigned long flags; + if (bank->eint_mask_offset) + reg_mask = bank->pctl_offset + bank->eint_mask_offset; + else + reg_mask = our_chip->eint_mask + bank->eint_offset; + raw_spin_lock_irqsave(&bank->slock, flags); mask = readl(bank->eint_base + reg_mask); @@ -70,7 +75,12 @@ static void exynos_irq_ack(struct irq_data *irqd) struct irq_chip *chip = irq_data_get_irq_chip(irqd); struct exynos_irq_chip *our_chip = to_exynos_irq_chip(chip); struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd); - unsigned long reg_pend = our_chip->eint_pend + bank->eint_offset; + unsigned long reg_pend; + + if (bank->eint_pend_offset) + reg_pend = bank->pctl_offset + bank->eint_pend_offset; + else + reg_pend = our_chip->eint_pend + bank->eint_offset; writel(1 << irqd->hwirq, bank->eint_base + reg_pend); } @@ -80,7 +90,7 @@ static void exynos_irq_unmask(struct irq_data *irqd) struct irq_chip *chip = irq_data_get_irq_chip(irqd); struct exynos_irq_chip *our_chip = to_exynos_irq_chip(chip); struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd); - unsigned long reg_mask = our_chip->eint_mask + bank->eint_offset; + unsigned long reg_mask; unsigned int mask; unsigned long flags; @@ -95,6 +105,11 @@ static void exynos_irq_unmask(struct irq_data *irqd) if (irqd_get_trigger_type(irqd) & IRQ_TYPE_LEVEL_MASK) exynos_irq_ack(irqd); + if (bank->eint_mask_offset) + reg_mask = bank->pctl_offset + bank->eint_mask_offset; + else + reg_mask = our_chip->eint_mask + bank->eint_offset; + raw_spin_lock_irqsave(&bank->slock, flags); mask = readl(bank->eint_base + reg_mask); @@ -111,7 +126,7 @@ static int exynos_irq_set_type(struct irq_data *irqd, unsigned int type) struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd); unsigned int shift = EXYNOS_EINT_CON_LEN * irqd->hwirq; unsigned int con, trig_type; - unsigned long reg_con = our_chip->eint_con + bank->eint_offset; + unsigned long reg_con; switch (type) { case IRQ_TYPE_EDGE_RISING: @@ -139,6 +154,11 @@ static int exynos_irq_set_type(struct irq_data *irqd, unsigned int type) else irq_set_handler_locked(irqd, handle_level_irq); + if (bank->eint_con_offset) + reg_con = bank->pctl_offset + bank->eint_con_offset; + else + reg_con = our_chip->eint_con + bank->eint_offset; + con = readl(bank->eint_base + reg_con); con &= ~(EXYNOS_EINT_CON_MASK << shift); con |= trig_type << shift; @@ -669,6 +689,19 @@ static void exynos_pinctrl_suspend_bank( pr_debug("%s: save mask %#010x\n", bank->name, save->eint_mask); } +static void exynosauto_pinctrl_suspend_bank(struct samsung_pinctrl_drv_data *drvdata, + struct samsung_pin_bank *bank) +{ + struct exynos_eint_gpio_save *save = bank->soc_priv; + void __iomem *regs = bank->eint_base; + + save->eint_con = readl(regs + bank->pctl_offset + bank->eint_con_offset); + save->eint_mask = readl(regs + bank->pctl_offset + bank->eint_mask_offset); + + pr_debug("%s: save con %#010x\n", bank->name, save->eint_con); + pr_debug("%s: save mask %#010x\n", bank->name, save->eint_mask); +} + void exynos_pinctrl_suspend(struct samsung_pinctrl_drv_data *drvdata) { struct samsung_pin_bank *bank = drvdata->pin_banks; @@ -676,8 +709,12 @@ void exynos_pinctrl_suspend(struct samsung_pinctrl_drv_data *drvdata) int i; for (i = 0; i < drvdata->nr_banks; ++i, ++bank) { - if (bank->eint_type == EINT_TYPE_GPIO) - exynos_pinctrl_suspend_bank(drvdata, bank); + if (bank->eint_type == EINT_TYPE_GPIO) { + if (bank->eint_con_offset) + exynosauto_pinctrl_suspend_bank(drvdata, bank); + else + exynos_pinctrl_suspend_bank(drvdata, bank); + } else if (bank->eint_type == EINT_TYPE_WKUP) { if (!irq_chip) { irq_chip = bank->irq_chip; @@ -718,14 +755,33 @@ static void exynos_pinctrl_resume_bank( + bank->eint_offset); } +static void exynosauto_pinctrl_resume_bank(struct samsung_pinctrl_drv_data *drvdata, + struct samsung_pin_bank *bank) +{ + struct exynos_eint_gpio_save *save = bank->soc_priv; + void __iomem *regs = bank->eint_base; + + pr_debug("%s: con %#010x => %#010x\n", bank->name, + readl(regs + bank->pctl_offset + bank->eint_con_offset), save->eint_con); + pr_debug("%s: mask %#010x => %#010x\n", bank->name, + readl(regs + bank->pctl_offset + bank->eint_mask_offset), save->eint_mask); + + writel(save->eint_con, regs + bank->pctl_offset + bank->eint_con_offset); + writel(save->eint_mask, regs + bank->pctl_offset + bank->eint_mask_offset); +} + void exynos_pinctrl_resume(struct samsung_pinctrl_drv_data *drvdata) { struct samsung_pin_bank *bank = drvdata->pin_banks; int i; for (i = 0; i < drvdata->nr_banks; ++i, ++bank) - if (bank->eint_type == EINT_TYPE_GPIO) - exynos_pinctrl_resume_bank(drvdata, bank); + if (bank->eint_type == EINT_TYPE_GPIO) { + if (bank->eint_con_offset) + exynosauto_pinctrl_resume_bank(drvdata, bank); + else + exynos_pinctrl_resume_bank(drvdata, bank); + } } static void exynos_retention_enable(struct samsung_pinctrl_drv_data *drvdata) |