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path: root/drivers/pinctrl/samsung/pinctrl-samsung.h
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Diffstat (limited to 'drivers/pinctrl/samsung/pinctrl-samsung.h')
-rw-r--r--drivers/pinctrl/samsung/pinctrl-samsung.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.h b/drivers/pinctrl/samsung/pinctrl-samsung.h
index d50ba6f07d5d..a1e7377bd890 100644
--- a/drivers/pinctrl/samsung/pinctrl-samsung.h
+++ b/drivers/pinctrl/samsung/pinctrl-samsung.h
@@ -61,6 +61,25 @@ enum pincfg_type {
#define PIN_CON_FUNC_INPUT 0x0
#define PIN_CON_FUNC_OUTPUT 0x1
+/* Values for the pin PUD register */
+#define EXYNOS_PIN_PUD_PULL_DISABLE 0x0
+#define EXYNOS_PIN_PID_PULL_DOWN 0x1
+#define EXYNOS_PIN_PID_PULL_UP 0x3
+
+/*
+ * enum pud_index - Possible index values to access the pud_val array.
+ * @PUD_PULL_DISABLE: Index for the value of pud disable
+ * @PUD_PULL_DOWN: Index for the value of pull down enable
+ * @PUD_PULL_UP: Index for the value of pull up enable
+ * @PUD_MAX: Maximum value of the index
+ */
+enum pud_index {
+ PUD_PULL_DISABLE,
+ PUD_PULL_DOWN,
+ PUD_PULL_UP,
+ PUD_MAX,
+};
+
/**
* enum eint_type - possible external interrupt types.
* @EINT_TYPE_NONE: bank does not support external interrupts
@@ -261,6 +280,7 @@ struct samsung_pin_ctrl {
int (*eint_gpio_init)(struct samsung_pinctrl_drv_data *);
int (*eint_wkup_init)(struct samsung_pinctrl_drv_data *);
+ void (*pud_value_init)(struct samsung_pinctrl_drv_data *drvdata);
void (*suspend)(struct samsung_pinctrl_drv_data *);
void (*resume)(struct samsung_pinctrl_drv_data *);
};
@@ -307,6 +327,7 @@ struct samsung_pinctrl_drv_data {
struct samsung_pin_bank *pin_banks;
unsigned int nr_banks;
unsigned int nr_pins;
+ unsigned int pud_val[PUD_MAX];
struct samsung_retention_ctrl *retention_ctrl;