X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=drivers%2Fpinctrl%2Frenesas%2Fsh_pfc.h;h=22cc860f2961d0c31fbcdccdf6d3ebd17c2c5d2c;hb=5a1a8a63be8f7262a300eddafb18020926b12fb6;hp=7aef2d360b26bcd13f7bbb0bf21833c5fa13ed16;hpb=f855a7bc12dc3bdf83905b4c72a6d795ee8d8ee5;p=platform%2Fkernel%2Fu-boot.git diff --git a/drivers/pinctrl/renesas/sh_pfc.h b/drivers/pinctrl/renesas/sh_pfc.h index 7aef2d3..22cc860 100644 --- a/drivers/pinctrl/renesas/sh_pfc.h +++ b/drivers/pinctrl/renesas/sh_pfc.h @@ -36,13 +36,15 @@ struct sh_pfc_pin { unsigned int configs; }; -#define SH_PFC_PIN_GROUP(n) \ +#define SH_PFC_PIN_GROUP_ALIAS(alias, n) \ { \ - .name = #n, \ + .name = #alias, \ .pins = n##_pins, \ .mux = n##_mux, \ - .nr_pins = ARRAY_SIZE(n##_pins), \ + .nr_pins = ARRAY_SIZE(n##_pins) + \ + BUILD_BUG_ON_ZERO(sizeof(n##_pins) != sizeof(n##_mux)), \ } +#define SH_PFC_PIN_GROUP(n) SH_PFC_PIN_GROUP_ALIAS(n, n) struct sh_pfc_pin_group { const char *name; @@ -52,18 +54,32 @@ struct sh_pfc_pin_group { }; /* - * Using union vin_data saves memory occupied by the VIN data pins. - * VIN_DATA_PIN_GROUP() is a macro used to describe the VIN pin groups - * in this case. + * Using union vin_data{,12,16} saves memory occupied by the VIN data pins. + * VIN_DATA_PIN_GROUP() is a macro used to describe the VIN pin groups + * in this case. It accepts an optional 'version' argument used when the + * same group can appear on a different set of pins. */ -#define VIN_DATA_PIN_GROUP(n, s) \ - { \ - .name = #n#s, \ - .pins = n##_pins.data##s, \ - .mux = n##_mux.data##s, \ - .nr_pins = ARRAY_SIZE(n##_pins.data##s), \ +#define VIN_DATA_PIN_GROUP(n, s, ...) \ + { \ + .name = #n#s#__VA_ARGS__, \ + .pins = n##__VA_ARGS__##_pins.data##s, \ + .mux = n##__VA_ARGS__##_mux.data##s, \ + .nr_pins = ARRAY_SIZE(n##__VA_ARGS__##_pins.data##s), \ } +union vin_data12 { + unsigned int data12[12]; + unsigned int data10[10]; + unsigned int data8[8]; +}; + +union vin_data16 { + unsigned int data16[16]; + unsigned int data12[12]; + unsigned int data10[10]; + unsigned int data8[8]; +}; + union vin_data { unsigned int data24[24]; unsigned int data20[20]; @@ -95,40 +111,54 @@ struct pinmux_func { struct pinmux_cfg_reg { u32 reg; u8 reg_width, field_width; +#ifdef DEBUG + u16 nr_enum_ids; /* for variable width regs only */ +#define SET_NR_ENUM_IDS(n) .nr_enum_ids = n, +#else +#define SET_NR_ENUM_IDS(n) +#endif const u16 *enum_ids; const u8 *var_field_width; }; +#define GROUP(...) __VA_ARGS__ + /* * Describe a config register consisting of several fields of the same width * - name: Register name (unused, for documentation purposes only) * - r: Physical register address * - r_width: Width of the register (in bits) * - f_width: Width of the fixed-width register fields (in bits) - * This macro must be followed by initialization data: For each register field - * (from left to right, i.e. MSB to LSB), 2^f_width enum IDs must be specified, - * one for each possible combination of the register field bit values. + * - ids: For each register field (from left to right, i.e. MSB to LSB), + * 2^f_width enum IDs must be specified, one for each possible + * combination of the register field bit values, all wrapped using + * the GROUP() macro. */ -#define PINMUX_CFG_REG(name, r, r_width, f_width) \ - .reg = r, .reg_width = r_width, .field_width = f_width, \ - .enum_ids = (const u16 [(r_width / f_width) * (1 << f_width)]) +#define PINMUX_CFG_REG(name, r, r_width, f_width, ids) \ + .reg = r, .reg_width = r_width, \ + .field_width = f_width + BUILD_BUG_ON_ZERO(r_width % f_width) + \ + BUILD_BUG_ON_ZERO(sizeof((const u16 []) { ids }) / sizeof(u16) != \ + (r_width / f_width) * (1 << f_width)), \ + .enum_ids = (const u16 [(r_width / f_width) * (1 << f_width)]) \ + { ids } /* * Describe a config register consisting of several fields of different widths * - name: Register name (unused, for documentation purposes only) * - r: Physical register address * - r_width: Width of the register (in bits) - * - var_fw0, var_fwn...: List of widths of the register fields (in bits), - * From left to right (i.e. MSB to LSB) - * This macro must be followed by initialization data: For each register field - * (from left to right, i.e. MSB to LSB), 2^var_fwi enum IDs must be specified, - * one for each possible combination of the register field bit values. + * - f_widths: List of widths of the register fields (in bits), from left + * to right (i.e. MSB to LSB), wrapped using the GROUP() macro. + * - ids: For each register field (from left to right, i.e. MSB to LSB), + * 2^f_widths[i] enum IDs must be specified, one for each possible + * combination of the register field bit values, all wrapped using + * the GROUP() macro. */ -#define PINMUX_CFG_REG_VAR(name, r, r_width, var_fw0, var_fwn...) \ - .reg = r, .reg_width = r_width, \ - .var_field_width = (const u8 [r_width]) \ - { var_fw0, var_fwn, 0 }, \ - .enum_ids = (const u16 []) +#define PINMUX_CFG_REG_VAR(name, r, r_width, f_widths, ids) \ + .reg = r, .reg_width = r_width, \ + .var_field_width = (const u8 []) { f_widths, 0 }, \ + SET_NR_ENUM_IDS(sizeof((const u16 []) { ids }) / sizeof(u16)) \ + .enum_ids = (const u16 []) { ids } struct pinmux_drive_reg_field { u16 pin; @@ -145,6 +175,21 @@ struct pinmux_drive_reg { .reg = r, \ .fields = +struct pinmux_bias_reg { + u32 puen; /* Pull-enable or pull-up control register */ + u32 pud; /* Pull-up/down control register (optional) */ + const u16 pins[32]; +}; + +#define PINMUX_BIAS_REG(name1, r1, name2, r2) \ + .puen = r1, \ + .pud = r2, \ + .pins = + +struct pinmux_ioctrl_reg { + u32 reg; +}; + struct pinmux_data_reg { u32 reg; u8 reg_width; @@ -156,12 +201,14 @@ struct pinmux_data_reg { * - name: Register name (unused, for documentation purposes only) * - r: Physical register address * - r_width: Width of the register (in bits) - * This macro must be followed by initialization data: For each register bit - * (from left to right, i.e. MSB to LSB), one enum ID must be specified. + * - ids: For each register bit (from left to right, i.e. MSB to LSB), one + * enum ID must be specified, all wrapped using the GROUP() macro. */ -#define PINMUX_DATA_REG(name, r, r_width) \ - .reg = r, .reg_width = r_width, \ - .enum_ids = (const u16 [r_width]) \ +#define PINMUX_DATA_REG(name, r, r_width, ids) \ + .reg = r, .reg_width = r_width + \ + BUILD_BUG_ON_ZERO(sizeof((const u16 []) { ids }) / sizeof(u16) != \ + r_width), \ + .enum_ids = (const u16 [r_width]) { ids } struct pinmux_irq { const short *gpios; @@ -180,10 +227,10 @@ struct pinmux_range { u16 force; }; -struct sh_pfc_bias_info { - u16 pin; - u16 reg : 11; - u16 bit : 5; +struct sh_pfc_window { + phys_addr_t phys; + void __iomem *virt; + unsigned long size; }; struct sh_pfc_pin_range; @@ -227,6 +274,8 @@ struct sh_pfc_soc_info { const struct pinmux_cfg_reg *cfg_regs; const struct pinmux_drive_reg *drive_regs; + const struct pinmux_bias_reg *bias_regs; + const struct pinmux_ioctrl_reg *ioctrl_regs; const struct pinmux_data_reg *data_regs; const u16 *pinmux_data; @@ -238,14 +287,28 @@ struct sh_pfc_soc_info { u32 unlock_reg; }; -u32 sh_pfc_read_reg(struct sh_pfc *pfc, u32 reg, unsigned int width); -void sh_pfc_write_reg(struct sh_pfc *pfc, u32 reg, unsigned int width, u32 data); -const struct sh_pfc_bias_info * -sh_pfc_pin_to_bias_info(const struct sh_pfc_bias_info *info, - unsigned int num, unsigned int pin); - +u32 sh_pfc_read(struct sh_pfc *pfc, u32 reg); +void sh_pfc_write(struct sh_pfc *pfc, u32 reg, u32 data); +const struct pinmux_bias_reg * +sh_pfc_pin_to_bias_reg(const struct sh_pfc *pfc, unsigned int pin, + unsigned int *bit); + +extern const struct sh_pfc_soc_info r8a774a1_pinmux_info; +extern const struct sh_pfc_soc_info r8a774b1_pinmux_info; +extern const struct sh_pfc_soc_info r8a774e1_pinmux_info; +extern const struct sh_pfc_soc_info r8a7790_pinmux_info; +extern const struct sh_pfc_soc_info r8a7791_pinmux_info; +extern const struct sh_pfc_soc_info r8a7792_pinmux_info; +extern const struct sh_pfc_soc_info r8a7793_pinmux_info; +extern const struct sh_pfc_soc_info r8a7794_pinmux_info; extern const struct sh_pfc_soc_info r8a7795_pinmux_info; extern const struct sh_pfc_soc_info r8a7796_pinmux_info; +extern const struct sh_pfc_soc_info r8a77965_pinmux_info; +extern const struct sh_pfc_soc_info r8a77970_pinmux_info; +extern const struct sh_pfc_soc_info r8a77980_pinmux_info; +extern const struct sh_pfc_soc_info r8a77990_pinmux_info; +extern const struct sh_pfc_soc_info r8a77995_pinmux_info; + /* ----------------------------------------------------------------------------- * Helper macros to create pin and port lists */ @@ -315,6 +378,28 @@ extern const struct sh_pfc_soc_info r8a7796_pinmux_info; PINMUX_DATA(fn##_MARK, FN_##msel, FN_##fn, FN_##ipsr) /* + * Describe a pinmux configuration similar to PINMUX_IPSR_MSEL, but with + * an additional select register that controls physical multiplexing + * with another pin. + * - ipsr: IPSR field + * - fn: Function name, also referring to the IPSR field + * - psel: Physical multiplexing selector + * - msel: Module selector + */ +#define PINMUX_IPSR_PHYS_MSEL(ipsr, fn, psel, msel) \ + PINMUX_DATA(fn##_MARK, FN_##psel, FN_##msel, FN_##fn, FN_##ipsr) + +/* + * Describe a pinmux configuration in which a pin is physically multiplexed + * with other pins. + * - ipsr: IPSR field (unused, for documentation purposes only) + * - fn: Function name + * - psel: Physical multiplexing selector + */ +#define PINMUX_IPSR_PHYS(ipsr, fn, psel) \ + PINMUX_DATA(fn##_MARK, FN_##psel) + +/* * Describe a pinmux configuration for a single-function pin with GPIO * capability. * - fn: Function name @@ -337,10 +422,14 @@ extern const struct sh_pfc_soc_info r8a7796_pinmux_info; PORT_GP_CFG_1(bank, 3, fn, sfx, cfg) #define PORT_GP_4(bank, fn, sfx) PORT_GP_CFG_4(bank, fn, sfx, 0) -#define PORT_GP_CFG_8(bank, fn, sfx, cfg) \ +#define PORT_GP_CFG_6(bank, fn, sfx, cfg) \ PORT_GP_CFG_4(bank, fn, sfx, cfg), \ PORT_GP_CFG_1(bank, 4, fn, sfx, cfg), \ - PORT_GP_CFG_1(bank, 5, fn, sfx, cfg), \ + PORT_GP_CFG_1(bank, 5, fn, sfx, cfg) +#define PORT_GP_6(bank, fn, sfx) PORT_GP_CFG_6(bank, fn, sfx, 0) + +#define PORT_GP_CFG_8(bank, fn, sfx, cfg) \ + PORT_GP_CFG_6(bank, fn, sfx, cfg), \ PORT_GP_CFG_1(bank, 6, fn, sfx, cfg), \ PORT_GP_CFG_1(bank, 7, fn, sfx, cfg) #define PORT_GP_8(bank, fn, sfx) PORT_GP_CFG_8(bank, fn, sfx, 0) @@ -355,9 +444,13 @@ extern const struct sh_pfc_soc_info r8a7796_pinmux_info; PORT_GP_CFG_1(bank, 9, fn, sfx, cfg) #define PORT_GP_10(bank, fn, sfx) PORT_GP_CFG_10(bank, fn, sfx, 0) -#define PORT_GP_CFG_12(bank, fn, sfx, cfg) \ +#define PORT_GP_CFG_11(bank, fn, sfx, cfg) \ PORT_GP_CFG_10(bank, fn, sfx, cfg), \ - PORT_GP_CFG_1(bank, 10, fn, sfx, cfg), \ + PORT_GP_CFG_1(bank, 10, fn, sfx, cfg) +#define PORT_GP_11(bank, fn, sfx) PORT_GP_CFG_11(bank, fn, sfx, 0) + +#define PORT_GP_CFG_12(bank, fn, sfx, cfg) \ + PORT_GP_CFG_11(bank, fn, sfx, cfg), \ PORT_GP_CFG_1(bank, 11, fn, sfx, cfg) #define PORT_GP_12(bank, fn, sfx) PORT_GP_CFG_12(bank, fn, sfx, 0) @@ -398,9 +491,13 @@ extern const struct sh_pfc_soc_info r8a7796_pinmux_info; PORT_GP_CFG_1(bank, 20, fn, sfx, cfg) #define PORT_GP_21(bank, fn, sfx) PORT_GP_CFG_21(bank, fn, sfx, 0) -#define PORT_GP_CFG_23(bank, fn, sfx, cfg) \ +#define PORT_GP_CFG_22(bank, fn, sfx, cfg) \ PORT_GP_CFG_21(bank, fn, sfx, cfg), \ - PORT_GP_CFG_1(bank, 21, fn, sfx, cfg), \ + PORT_GP_CFG_1(bank, 21, fn, sfx, cfg) +#define PORT_GP_22(bank, fn, sfx) PORT_GP_CFG_22(bank, fn, sfx, 0) + +#define PORT_GP_CFG_23(bank, fn, sfx, cfg) \ + PORT_GP_CFG_22(bank, fn, sfx, cfg), \ PORT_GP_CFG_1(bank, 22, fn, sfx, cfg) #define PORT_GP_23(bank, fn, sfx) PORT_GP_CFG_23(bank, fn, sfx, 0) @@ -409,9 +506,13 @@ extern const struct sh_pfc_soc_info r8a7796_pinmux_info; PORT_GP_CFG_1(bank, 23, fn, sfx, cfg) #define PORT_GP_24(bank, fn, sfx) PORT_GP_CFG_24(bank, fn, sfx, 0) -#define PORT_GP_CFG_26(bank, fn, sfx, cfg) \ +#define PORT_GP_CFG_25(bank, fn, sfx, cfg) \ PORT_GP_CFG_24(bank, fn, sfx, cfg), \ - PORT_GP_CFG_1(bank, 24, fn, sfx, cfg), \ + PORT_GP_CFG_1(bank, 24, fn, sfx, cfg) +#define PORT_GP_25(bank, fn, sfx) PORT_GP_CFG_25(bank, fn, sfx, 0) + +#define PORT_GP_CFG_26(bank, fn, sfx, cfg) \ + PORT_GP_CFG_25(bank, fn, sfx, cfg), \ PORT_GP_CFG_1(bank, 25, fn, sfx, cfg) #define PORT_GP_26(bank, fn, sfx) PORT_GP_CFG_26(bank, fn, sfx, 0) @@ -552,7 +653,9 @@ extern const struct sh_pfc_soc_info r8a7796_pinmux_info; */ #define PORTCR(nr, reg) \ { \ - PINMUX_CFG_REG_VAR("PORT" nr "CR", reg, 8, 2, 2, 1, 3) {\ + PINMUX_CFG_REG_VAR("PORT" nr "CR", reg, 8, \ + GROUP(2, 2, 1, 3), \ + GROUP( \ /* PULMD[1:0], handled by .set_bias() */ \ 0, 0, 0, 0, \ /* IE and OE */ \ @@ -564,7 +667,7 @@ extern const struct sh_pfc_soc_info r8a7796_pinmux_info; PORT##nr##_FN2, PORT##nr##_FN3, \ PORT##nr##_FN4, PORT##nr##_FN5, \ PORT##nr##_FN6, PORT##nr##_FN7 \ - } \ + )) \ } /* @@ -572,4 +675,5 @@ extern const struct sh_pfc_soc_info r8a7796_pinmux_info; */ #define RCAR_GP_PIN(bank, pin) (((bank) * 32) + (pin)) +#include #endif /* __SH_PFC_H */