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Diffstat (limited to 'drivers/pinctrl/pinctrl-sunxi.h')
-rw-r--r--drivers/pinctrl/pinctrl-sunxi.h25
1 files changed, 24 insertions, 1 deletions
diff --git a/drivers/pinctrl/pinctrl-sunxi.h b/drivers/pinctrl/pinctrl-sunxi.h
index 0dc3b9d5321b..1ee35c03eef1 100644
--- a/drivers/pinctrl/pinctrl-sunxi.h
+++ b/drivers/pinctrl/pinctrl-sunxi.h
@@ -254,8 +254,11 @@
#define SUNXI_PINCTRL_PIN_PG30 PINCTRL_PIN(PG_BASE + 30, "PG30")
#define SUNXI_PINCTRL_PIN_PG31 PINCTRL_PIN(PG_BASE + 31, "PG31")
+#define SUNXI_PIN_NAME_MAX_LEN 5
+
#define BANK_MEM_SIZE 0x24
#define MUX_REGS_OFFSET 0x0
+#define DATA_REGS_OFFSET 0x10
#define DLEVEL_REGS_OFFSET 0x14
#define PULL_REGS_OFFSET 0x1c
@@ -263,6 +266,9 @@
#define MUX_PINS_PER_REG 8
#define MUX_PINS_BITS 4
#define MUX_PINS_MASK 0x0f
+#define DATA_PINS_PER_REG 32
+#define DATA_PINS_BITS 1
+#define DATA_PINS_MASK 0x01
#define DLEVEL_PINS_PER_REG 16
#define DLEVEL_PINS_BITS 2
#define DLEVEL_PINS_MASK 0x03
@@ -283,6 +289,8 @@ struct sunxi_desc_pin {
struct sunxi_pinctrl_desc {
const struct sunxi_desc_pin *pins;
int npins;
+ struct pinctrl_gpio_range *ranges;
+ int nranges;
};
struct sunxi_pinctrl_function {
@@ -299,6 +307,7 @@ struct sunxi_pinctrl_group {
struct sunxi_pinctrl {
void __iomem *membase;
+ struct gpio_chip *chip;
struct sunxi_pinctrl_desc *desc;
struct device *dev;
struct sunxi_pinctrl_function *functions;
@@ -321,7 +330,6 @@ struct sunxi_pinctrl {
.muxval = _val, \
}
-
/*
* The sunXi PIO registers are organized as is:
* 0x00 - 0x0c Muxing values.
@@ -354,6 +362,21 @@ static inline u32 sunxi_mux_offset(u16 pin)
return pin_num * MUX_PINS_BITS;
}
+static inline u32 sunxi_data_reg(u16 pin)
+{
+ u8 bank = pin / PINS_PER_BANK;
+ u32 offset = bank * BANK_MEM_SIZE;
+ offset += DATA_REGS_OFFSET;
+ offset += pin % PINS_PER_BANK / DATA_PINS_PER_REG * 0x04;
+ return round_down(offset, 4);
+}
+
+static inline u32 sunxi_data_offset(u16 pin)
+{
+ u32 pin_num = pin % DATA_PINS_PER_REG;
+ return pin_num * DATA_PINS_BITS;
+}
+
static inline u32 sunxi_dlevel_reg(u16 pin)
{
u8 bank = pin / PINS_PER_BANK;