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path: root/drivers/pinctrl/samsung/pinctrl-exynos.c
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Diffstat (limited to 'drivers/pinctrl/samsung/pinctrl-exynos.c')
-rw-r--r--drivers/pinctrl/samsung/pinctrl-exynos.c111
1 files changed, 101 insertions, 10 deletions
diff --git a/drivers/pinctrl/samsung/pinctrl-exynos.c b/drivers/pinctrl/samsung/pinctrl-exynos.c
index 6b58ec84e3..871c1eb46d 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;
@@ -147,6 +167,19 @@ static int exynos_irq_set_type(struct irq_data *irqd, unsigned int type)
return 0;
}
+static int exynos_irq_set_affinity(struct irq_data *irqd,
+ const struct cpumask *dest, bool force)
+{
+ struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd);
+ struct samsung_pinctrl_drv_data *d = bank->drvdata;
+ struct irq_data *parent = irq_get_irq_data(d->irq);
+
+ if (parent)
+ return parent->chip->irq_set_affinity(parent, dest, force);
+
+ return -EINVAL;
+}
+
static int exynos_irq_request_resources(struct irq_data *irqd)
{
struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd);
@@ -212,6 +245,7 @@ static const struct exynos_irq_chip exynos_gpio_irq_chip __initconst = {
.irq_mask = exynos_irq_mask,
.irq_ack = exynos_irq_ack,
.irq_set_type = exynos_irq_set_type,
+ .irq_set_affinity = exynos_irq_set_affinity,
.irq_request_resources = exynos_irq_request_resources,
.irq_release_resources = exynos_irq_release_resources,
},
@@ -247,7 +281,10 @@ static irqreturn_t exynos_eint_gpio_irq(int irq, void *data)
unsigned int svc, group, pin;
int ret;
- svc = readl(bank->eint_base + EXYNOS_SVC_OFFSET);
+ if (bank->eint_con_offset)
+ svc = readl(bank->eint_base + EXYNOSAUTO_SVC_OFFSET);
+ else
+ svc = readl(bank->eint_base + EXYNOS_SVC_OFFSET);
group = EXYNOS_SVC_GROUP(svc);
pin = svc & EXYNOS_SVC_NUM_MASK;
@@ -456,6 +493,22 @@ static const struct exynos_irq_chip exynos7_wkup_irq_chip __initconst = {
.set_eint_wakeup_mask = exynos_pinctrl_set_eint_wakeup_mask,
};
+static const struct exynos_irq_chip exynosautov920_wkup_irq_chip __initconst = {
+ .chip = {
+ .name = "exynosautov920_wkup_irq_chip",
+ .irq_unmask = exynos_irq_unmask,
+ .irq_mask = exynos_irq_mask,
+ .irq_ack = exynos_irq_ack,
+ .irq_set_type = exynos_irq_set_type,
+ .irq_set_wake = exynos_wkup_irq_set_wake,
+ .irq_request_resources = exynos_irq_request_resources,
+ .irq_release_resources = exynos_irq_release_resources,
+ },
+ .eint_wake_mask_value = &eint_wake_mask_value,
+ .eint_wake_mask_reg = EXYNOS5433_EINT_WAKEUP_MASK,
+ .set_eint_wakeup_mask = exynos_pinctrl_set_eint_wakeup_mask,
+};
+
/* list of external wakeup controllers supported */
static const struct of_device_id exynos_wkup_irq_ids[] = {
{ .compatible = "samsung,s5pv210-wakeup-eint",
@@ -468,6 +521,8 @@ static const struct of_device_id exynos_wkup_irq_ids[] = {
.data = &exynos7_wkup_irq_chip },
{ .compatible = "samsung,exynosautov9-wakeup-eint",
.data = &exynos7_wkup_irq_chip },
+ { .compatible = "samsung,exynosautov920-wakeup-eint",
+ .data = &exynosautov920_wkup_irq_chip },
{ }
};
@@ -638,7 +693,7 @@ static void exynos_pinctrl_suspend_bank(
struct samsung_pin_bank *bank)
{
struct exynos_eint_gpio_save *save = bank->soc_priv;
- void __iomem *regs = bank->eint_base;
+ const void __iomem *regs = bank->eint_base;
save->eint_con = readl(regs + EXYNOS_GPIO_ECON_OFFSET
+ bank->eint_offset);
@@ -655,6 +710,19 @@ 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;
+ const 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;
@@ -662,8 +730,12 @@ 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;
@@ -704,14 +776,33 @@ 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)
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-04 21:57:49 +0000