diff options
Diffstat (limited to 'drivers/pinctrl/stm32/pinctrl-stm32.h')
| -rw-r--r-- | drivers/pinctrl/stm32/pinctrl-stm32.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/drivers/pinctrl/stm32/pinctrl-stm32.h b/drivers/pinctrl/stm32/pinctrl-stm32.h new file mode 100644 index 0000000000..5e5de92ddd --- /dev/null +++ b/drivers/pinctrl/stm32/pinctrl-stm32.h @@ -0,0 +1,77 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) Maxime Coquelin 2015 + * Copyright (C) STMicroelectronics 2017 + * Author: Maxime Coquelin <mcoquelin.stm32@gmail.com> + */ +#ifndef __PINCTRL_STM32_H +#define __PINCTRL_STM32_H + +#include <linux/pinctrl/pinctrl.h> +#include <linux/pinctrl/pinconf-generic.h> + +#define STM32_PIN_NO(x) ((x) << 8) +#define STM32_GET_PIN_NO(x) ((x) >> 8) +#define STM32_GET_PIN_FUNC(x) ((x) & 0xff) + +#define STM32_PIN_GPIO 0 +#define STM32_PIN_AF(x) ((x) + 1) +#define STM32_PIN_ANALOG (STM32_PIN_AF(15) + 1) +#define STM32_CONFIG_NUM (STM32_PIN_ANALOG + 1) + +/* package information */ +#define STM32MP_PKG_AA BIT(0) +#define STM32MP_PKG_AB BIT(1) +#define STM32MP_PKG_AC BIT(2) +#define STM32MP_PKG_AD BIT(3) +#define STM32MP_PKG_AI BIT(8) +#define STM32MP_PKG_AK BIT(10) +#define STM32MP_PKG_AL BIT(11) + +struct stm32_desc_function { + const char *name; + const unsigned char num; +}; + +struct stm32_desc_pin { + struct pinctrl_pin_desc pin; + const struct stm32_desc_function functions[STM32_CONFIG_NUM]; + const unsigned int pkg; +}; + +#define STM32_PIN(_pin, ...) \ + { \ + .pin = _pin, \ + .functions = { \ + __VA_ARGS__}, \ + } + +#define STM32_PIN_PKG(_pin, _pkg, ...) \ + { \ + .pin = _pin, \ + .pkg = _pkg, \ + .functions = { \ + __VA_ARGS__}, \ + } +#define STM32_FUNCTION(_num, _name) \ + [_num] = { \ + .num = _num, \ + .name = _name, \ + } + +struct stm32_pinctrl_match_data { + const struct stm32_desc_pin *pins; + const unsigned int npins; + bool secure_control; +}; + +struct stm32_gpio_bank; + +int stm32_pctl_probe(struct platform_device *pdev); +void stm32_pmx_get_mode(struct stm32_gpio_bank *bank, + int pin, u32 *mode, u32 *alt); +int stm32_pinctrl_suspend(struct device *dev); +int stm32_pinctrl_resume(struct device *dev); + +#endif /* __PINCTRL_STM32_H */ + |