diff options
Diffstat (limited to 'drivers/pinctrl/sophgo/pinctrl-cv18xx.h')
| -rw-r--r-- | drivers/pinctrl/sophgo/pinctrl-cv18xx.h | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/drivers/pinctrl/sophgo/pinctrl-cv18xx.h b/drivers/pinctrl/sophgo/pinctrl-cv18xx.h new file mode 100644 index 000000000000..759c0e604acf --- /dev/null +++ b/drivers/pinctrl/sophgo/pinctrl-cv18xx.h @@ -0,0 +1,139 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2024 Inochi Amaoto <inochiama@outlook.com> + */ + +#ifndef _PINCTRL_SOPHGO_CV18XX_H +#define _PINCTRL_SOPHGO_CV18XX_H + +#include <linux/bits.h> +#include <linux/bitfield.h> +#include <linux/mutex.h> +#include <linux/spinlock.h> +#include <linux/platform_device.h> +#include <linux/pinctrl/pinctrl.h> +#include <linux/pinctrl/pinconf.h> + +#include "pinctrl-sophgo.h" + +enum cv1800_pin_io_type { + IO_TYPE_1V8_ONLY = 0, + IO_TYPE_1V8_OR_3V3 = 1, + IO_TYPE_AUDIO = 2, + IO_TYPE_ETH = 3 +}; + +#define CV1800_PINCONF_AREA_SYS 0 +#define CV1800_PINCONF_AREA_RTC 1 + +struct cv1800_pinmux { + u16 offset; + u8 area; + u8 max; +}; + +struct cv1800_pinmux2 { + u16 offset; + u8 area; + u8 max; + u8 pfunc; +}; + +struct cv1800_pinconf { + u16 offset; + u8 area; +}; + +#define CV1800_PIN_HAVE_MUX2 BIT(0) +#define CV1800_PIN_IO_TYPE GENMASK(2, 1) + +#define CV1800_PIN_FLAG_IO_TYPE(type) \ + FIELD_PREP_CONST(CV1800_PIN_IO_TYPE, type) +struct cv1800_pin { + struct sophgo_pin pin; + u8 power_domain; + struct cv1800_pinmux mux; + struct cv1800_pinmux2 mux2; + struct cv1800_pinconf conf; +}; + +#define sophgo_to_cv1800_pin(_pin) \ + container_of((_pin), struct cv1800_pin, pin) + +#define PIN_POWER_STATE_1V8 1800 +#define PIN_POWER_STATE_3V3 3300 + +static inline enum cv1800_pin_io_type cv1800_pin_io_type(const struct cv1800_pin *pin) +{ + return FIELD_GET(CV1800_PIN_IO_TYPE, pin->pin.flags); +}; + +extern const struct pinctrl_ops cv1800_pctrl_ops; +extern const struct pinmux_ops cv1800_pmx_ops; +extern const struct pinconf_ops cv1800_pconf_ops; +extern const struct sophgo_cfg_ops cv1800_cfg_ops; + +#define CV1800_FUNC_PIN(_id, _power_domain, _type, \ + _mux_area, _mux_offset, _mux_func_max) \ + { \ + .pin = { \ + .id = (_id), \ + .flags = CV1800_PIN_FLAG_IO_TYPE(_type), \ + }, \ + .power_domain = (_power_domain), \ + .mux = { \ + .area = (_mux_area), \ + .offset = (_mux_offset), \ + .max = (_mux_func_max), \ + }, \ + } + +#define CV1800_GENERAL_PIN(_id, _power_domain, _type, \ + _mux_area, _mux_offset, _mux_func_max, \ + _conf_area, _conf_offset) \ + { \ + .pin = { \ + .id = (_id), \ + .flags = CV1800_PIN_FLAG_IO_TYPE(_type), \ + }, \ + .power_domain = (_power_domain), \ + .mux = { \ + .area = (_mux_area), \ + .offset = (_mux_offset), \ + .max = (_mux_func_max), \ + }, \ + .conf = { \ + .area = (_conf_area), \ + .offset = (_conf_offset), \ + }, \ + } + +#define CV1800_GENERATE_PIN_MUX2(_id, _power_domain, _type, \ + _mux_area, _mux_offset, _mux_func_max, \ + _mux2_area, _mux2_offset, \ + _mux2_func_max, \ + _conf_area, _conf_offset) \ + { \ + .pin = { \ + .id = (_id), \ + .flags = CV1800_PIN_FLAG_IO_TYPE(_type) | \ + CV1800_PIN_HAVE_MUX2, \ + }, \ + .power_domain = (_power_domain), \ + .mux = { \ + .area = (_mux_area), \ + .offset = (_mux_offset), \ + .max = (_mux_func_max), \ + }, \ + .mux2 = { \ + .area = (_mux2_area), \ + .offset = (_mux2_offset), \ + .max = (_mux2_func_max), \ + }, \ + .conf = { \ + .area = (_conf_area), \ + .offset = (_conf_offset), \ + }, \ + } + +#endif |