diff options
Diffstat (limited to 'drivers/pinctrl/sh-pfc/sh_pfc.h')
| -rw-r--r-- | drivers/pinctrl/sh-pfc/sh_pfc.h | 135 |
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) \ |