summaryrefslogtreecommitdiffstats
path: root/drivers/pinctrl/sh-pfc/sh_pfc.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/pinctrl/sh-pfc/sh_pfc.h')
-rw-r--r--drivers/pinctrl/sh-pfc/sh_pfc.h135
1 files changed, 103 insertions, 32 deletions
diff --git a/drivers/pinctrl/sh-pfc/sh_pfc.h b/drivers/pinctrl/sh-pfc/sh_pfc.h
index 13049c4c8d30..3b785fc428d5 100644
--- a/drivers/pinctrl/sh-pfc/sh_pfc.h
+++ b/drivers/pinctrl/sh-pfc/sh_pfc.h
@@ -15,7 +15,8 @@
#include <asm-generic/gpio.h>
typedef unsigned short pinmux_enum_t;
-typedef unsigned short pinmux_flag_t;
+
+#define SH_PFC_MARK_INVALID ((pinmux_enum_t)-1)
enum {
PINMUX_TYPE_NONE,
@@ -30,44 +31,81 @@ enum {
PINMUX_FLAG_TYPE, /* must be last */
};
-#define PINMUX_FLAG_DBIT_SHIFT 5
-#define PINMUX_FLAG_DBIT (0x1f << PINMUX_FLAG_DBIT_SHIFT)
-#define PINMUX_FLAG_DREG_SHIFT 10
-#define PINMUX_FLAG_DREG (0x3f << PINMUX_FLAG_DREG_SHIFT)
+#define SH_PFC_PIN_CFG_INPUT (1 << 0)
+#define SH_PFC_PIN_CFG_OUTPUT (1 << 1)
+#define SH_PFC_PIN_CFG_PULL_UP (1 << 2)
+#define SH_PFC_PIN_CFG_PULL_DOWN (1 << 3)
-struct pinmux_gpio {
- pinmux_enum_t enum_id;
- pinmux_flag_t flags;
+struct sh_pfc_pin {
+ const pinmux_enum_t enum_id;
const char *name;
+ unsigned int configs;
};
-#define PINMUX_GPIO(gpio, data_or_mark) \
- [gpio] = { .name = __stringify(gpio), .enum_id = data_or_mark, .flags = PINMUX_TYPE_NONE }
+#define SH_PFC_PIN_GROUP(n) \
+ { \
+ .name = #n, \
+ .pins = n##_pins, \
+ .mux = n##_mux, \
+ .nr_pins = ARRAY_SIZE(n##_pins), \
+ }
+
+struct sh_pfc_pin_group {
+ const char *name;
+ const unsigned int *pins;
+ const unsigned int *mux;
+ unsigned int nr_pins;
+};
+
+#define SH_PFC_FUNCTION(n) \
+ { \
+ .name = #n, \
+ .groups = n##_groups, \
+ .nr_groups = ARRAY_SIZE(n##_groups), \
+ }
+
+struct sh_pfc_function {
+ const char *name;
+ const char * const *groups;
+ unsigned int nr_groups;
+};
+
+struct pinmux_func {
+ const pinmux_enum_t enum_id;
+ const char *name;
+};
+
+#define PINMUX_GPIO(gpio, data_or_mark) \
+ [gpio] = { \
+ .name = __stringify(gpio), \
+ .enum_id = data_or_mark, \
+ }
+#define PINMUX_GPIO_FN(gpio, base, data_or_mark) \
+ [gpio - (base)] = { \
+ .name = __stringify(gpio), \
+ .enum_id = data_or_mark, \
+ }
#define PINMUX_DATA(data_or_mark, ids...) data_or_mark, ids, 0
struct pinmux_cfg_reg {
unsigned long reg, reg_width, field_width;
- unsigned long *cnt;
- pinmux_enum_t *enum_ids;
- unsigned long *var_field_width;
+ const pinmux_enum_t *enum_ids;
+ const unsigned long *var_field_width;
};
#define PINMUX_CFG_REG(name, r, r_width, f_width) \
.reg = r, .reg_width = r_width, .field_width = f_width, \
- .cnt = (unsigned long [r_width / f_width]) {}, \
.enum_ids = (pinmux_enum_t [(r_width / f_width) * (1 << f_width)])
#define PINMUX_CFG_REG_VAR(name, r, r_width, var_fw0, var_fwn...) \
.reg = r, .reg_width = r_width, \
- .cnt = (unsigned long [r_width]) {}, \
.var_field_width = (unsigned long [r_width]) { var_fw0, var_fwn, 0 }, \
.enum_ids = (pinmux_enum_t [])
struct pinmux_data_reg {
- unsigned long reg, reg_width, reg_shadow;
- pinmux_enum_t *enum_ids;
- void __iomem *mapped_reg;
+ unsigned long reg, reg_width;
+ const pinmux_enum_t *enum_ids;
};
#define PINMUX_DATA_REG(name, r, r_width) \
@@ -76,11 +114,11 @@ struct pinmux_data_reg {
struct pinmux_irq {
int irq;
- pinmux_enum_t *enum_ids;
+ unsigned short *gpios;
};
#define PINMUX_IRQ(irq_nr, ids...) \
- { .irq = irq_nr, .enum_ids = (pinmux_enum_t []) { ids, 0 } } \
+ { .irq = irq_nr, .gpios = (unsigned short []) { ids, 0 } } \
struct pinmux_range {
pinmux_enum_t begin;
@@ -88,33 +126,49 @@ struct pinmux_range {
pinmux_enum_t force;
};
+struct sh_pfc;
+
+struct sh_pfc_soc_operations {
+ unsigned int (*get_bias)(struct sh_pfc *pfc, unsigned int pin);
+ void (*set_bias)(struct sh_pfc *pfc, unsigned int pin,
+ unsigned int bias);
+};
+
struct sh_pfc_soc_info {
- char *name;
- pinmux_enum_t reserved_id;
- struct pinmux_range data;
+ const char *name;
+ const struct sh_pfc_soc_operations *ops;
+
struct pinmux_range input;
struct pinmux_range input_pd;
struct pinmux_range input_pu;
struct pinmux_range output;
- struct pinmux_range mark;
struct pinmux_range function;
- unsigned first_gpio, last_gpio;
+ const struct sh_pfc_pin *pins;
+ unsigned int nr_pins;
+ const struct pinmux_range *ranges;
+ unsigned int nr_ranges;
+ const struct sh_pfc_pin_group *groups;
+ unsigned int nr_groups;
+ const struct sh_pfc_function *functions;
+ unsigned int nr_functions;
+
+ const struct pinmux_func *func_gpios;
+ unsigned int nr_func_gpios;
- struct pinmux_gpio *gpios;
- struct pinmux_cfg_reg *cfg_regs;
- struct pinmux_data_reg *data_regs;
+ const struct pinmux_cfg_reg *cfg_regs;
+ const struct pinmux_data_reg *data_regs;
- pinmux_enum_t *gpio_data;
+ const pinmux_enum_t *gpio_data;
unsigned int gpio_data_size;
- struct pinmux_irq *gpio_irq;
+ const struct pinmux_irq *gpio_irq;
unsigned int gpio_irq_size;
unsigned long unlock_reg;
};
-enum { GPIO_CFG_DRYRUN, GPIO_CFG_REQ, GPIO_CFG_FREE };
+enum { GPIO_CFG_REQ, GPIO_CFG_FREE };
/* helper macro for port */
#define PORT_1(fn, pfx, sfx) fn(pfx, sfx)
@@ -126,6 +180,23 @@ enum { GPIO_CFG_DRYRUN, GPIO_CFG_REQ, GPIO_CFG_FREE };
PORT_1(fn, pfx##6, sfx), PORT_1(fn, pfx##7, sfx), \
PORT_1(fn, pfx##8, sfx), PORT_1(fn, pfx##9, sfx)
+#define PORT_10_REV(fn, pfx, sfx) \
+ PORT_1(fn, pfx##9, sfx), PORT_1(fn, pfx##8, sfx), \
+ PORT_1(fn, pfx##7, sfx), PORT_1(fn, pfx##6, sfx), \
+ PORT_1(fn, pfx##5, sfx), PORT_1(fn, pfx##4, sfx), \
+ PORT_1(fn, pfx##3, sfx), PORT_1(fn, pfx##2, sfx), \
+ PORT_1(fn, pfx##1, sfx), PORT_1(fn, pfx##0, sfx)
+
+#define PORT_32(fn, pfx, sfx) \
+ PORT_10(fn, pfx, sfx), PORT_10(fn, pfx##1, sfx), \
+ PORT_10(fn, pfx##2, sfx), PORT_1(fn, pfx##30, sfx), \
+ PORT_1(fn, pfx##31, sfx)
+
+#define PORT_32_REV(fn, pfx, sfx) \
+ PORT_1(fn, pfx##31, sfx), PORT_1(fn, pfx##30, sfx), \
+ PORT_10_REV(fn, pfx##2, sfx), PORT_10_REV(fn, pfx##1, sfx), \
+ PORT_10_REV(fn, pfx, sfx)
+
#define PORT_90(fn, pfx, sfx) \
PORT_10(fn, pfx##1, sfx), PORT_10(fn, pfx##2, sfx), \
PORT_10(fn, pfx##3, sfx), PORT_10(fn, pfx##4, sfx), \
@@ -137,7 +208,7 @@ enum { GPIO_CFG_DRYRUN, GPIO_CFG_REQ, GPIO_CFG_FREE };
#define _GPIO_PORT(pfx, sfx) PINMUX_GPIO(GPIO_PORT##pfx, PORT##pfx##_DATA)
#define PORT_ALL(str) CPU_ALL_PORT(_PORT_ALL, PORT, str)
#define GPIO_PORT_ALL() CPU_ALL_PORT(_GPIO_PORT, , unused)
-#define GPIO_FN(str) PINMUX_GPIO(GPIO_FN_##str, str##_MARK)
+#define GPIO_FN(str) PINMUX_GPIO_FN(GPIO_FN_##str, PINMUX_FN_BASE, str##_MARK)
/* helper macro for pinmux_enum_t */
#define PORT_DATA_I(nr) \
OpenPOWER on IntegriCloud