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path: root/drivers/pinctrl/pinctrl-sunxi.h
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Diffstat (limited to 'drivers/pinctrl/pinctrl-sunxi.h')
-rw-r--r--drivers/pinctrl/pinctrl-sunxi.h68
1 files changed, 68 insertions, 0 deletions
diff --git a/drivers/pinctrl/pinctrl-sunxi.h b/drivers/pinctrl/pinctrl-sunxi.h
index e921621059ce..d68047d8f699 100644
--- a/drivers/pinctrl/pinctrl-sunxi.h
+++ b/drivers/pinctrl/pinctrl-sunxi.h
@@ -344,9 +344,31 @@
#define PULL_PINS_BITS 2
#define PULL_PINS_MASK 0x03
+#define SUNXI_IRQ_NUMBER 32
+
+#define IRQ_CFG_REG 0x200
+#define IRQ_CFG_IRQ_PER_REG 8
+#define IRQ_CFG_IRQ_BITS 4
+#define IRQ_CFG_IRQ_MASK ((1 << IRQ_CFG_IRQ_BITS) - 1)
+#define IRQ_CTRL_REG 0x210
+#define IRQ_CTRL_IRQ_PER_REG 32
+#define IRQ_CTRL_IRQ_BITS 1
+#define IRQ_CTRL_IRQ_MASK ((1 << IRQ_CTRL_IRQ_BITS) - 1)
+#define IRQ_STATUS_REG 0x214
+#define IRQ_STATUS_IRQ_PER_REG 32
+#define IRQ_STATUS_IRQ_BITS 1
+#define IRQ_STATUS_IRQ_MASK ((1 << IRQ_STATUS_IRQ_BITS) - 1)
+
+#define IRQ_EDGE_RISING 0x00
+#define IRQ_EDGE_FALLING 0x01
+#define IRQ_LEVEL_HIGH 0x02
+#define IRQ_LEVEL_LOW 0x03
+#define IRQ_EDGE_BOTH 0x04
+
struct sunxi_desc_function {
const char *name;
u8 muxval;
+ u8 irqnum;
};
struct sunxi_desc_pin {
@@ -378,10 +400,13 @@ struct sunxi_pinctrl {
struct gpio_chip *chip;
struct sunxi_pinctrl_desc *desc;
struct device *dev;
+ struct irq_domain *domain;
struct sunxi_pinctrl_function *functions;
unsigned nfunctions;
struct sunxi_pinctrl_group *groups;
unsigned ngroups;
+ int irq;
+ int irq_array[SUNXI_IRQ_NUMBER];
struct pinctrl_dev *pctl_dev;
};
@@ -398,6 +423,13 @@ struct sunxi_pinctrl {
.muxval = _val, \
}
+#define SUNXI_FUNCTION_IRQ(_val, _irq) \
+ { \
+ .name = "irq", \
+ .muxval = _val, \
+ .irqnum = _irq, \
+ }
+
/*
* The sunXi PIO registers are organized as is:
* 0x00 - 0x0c Muxing values.
@@ -475,4 +507,40 @@ static inline u32 sunxi_pull_offset(u16 pin)
return pin_num * PULL_PINS_BITS;
}
+static inline u32 sunxi_irq_cfg_reg(u16 irq)
+{
+ u8 reg = irq / IRQ_CFG_IRQ_PER_REG;
+ return reg + IRQ_CFG_REG;
+}
+
+static inline u32 sunxi_irq_cfg_offset(u16 irq)
+{
+ u32 irq_num = irq % IRQ_CFG_IRQ_PER_REG;
+ return irq_num * IRQ_CFG_IRQ_BITS;
+}
+
+static inline u32 sunxi_irq_ctrl_reg(u16 irq)
+{
+ u8 reg = irq / IRQ_CTRL_IRQ_PER_REG;
+ return reg + IRQ_CTRL_REG;
+}
+
+static inline u32 sunxi_irq_ctrl_offset(u16 irq)
+{
+ u32 irq_num = irq % IRQ_CTRL_IRQ_PER_REG;
+ return irq_num * IRQ_CTRL_IRQ_BITS;
+}
+
+static inline u32 sunxi_irq_status_reg(u16 irq)
+{
+ u8 reg = irq / IRQ_STATUS_IRQ_PER_REG;
+ return reg + IRQ_STATUS_REG;
+}
+
+static inline u32 sunxi_irq_status_offset(u16 irq)
+{
+ u32 irq_num = irq % IRQ_STATUS_IRQ_PER_REG;
+ return irq_num * IRQ_STATUS_IRQ_BITS;
+}
+
#endif /* __PINCTRL_SUNXI_H */
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