Abhi Singh | 3c54570 | 2024-11-18 10:29:36 -0600 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2025, Arm Limited. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
| 7 | #ifndef GPIO_SPI_H |
| 8 | #define GPIO_SPI_H |
| 9 | |
| 10 | #include <stdint.h> |
| 11 | |
| 12 | struct gpio_spi_data { |
| 13 | uint8_t cs_gpio, sclk_gpio, mosi_gpio, miso_gpio, reset_gpio; |
| 14 | uint32_t spi_delay_us; |
| 15 | unsigned int spi_mode; |
| 16 | }; |
| 17 | |
| 18 | struct spi_ops { |
| 19 | void (*get_access)(void); |
| 20 | void (*start)(void); |
| 21 | void (*stop)(void); |
| 22 | int (*xfer)(unsigned int bitlen, const void *dout, void *din); |
| 23 | }; |
| 24 | |
| 25 | struct spi_plat { |
| 26 | struct gpio_spi_data gpio_data; |
| 27 | const struct spi_ops *ops; |
| 28 | }; |
| 29 | |
| 30 | struct spi_plat *gpio_spi_init(struct gpio_spi_data *gpio_spi_data); |
| 31 | |
| 32 | #endif /* GPIO_SPI_H */ |