1 /* 2 * Copyright (c) 2021 Microchip Technology Inc. 3 * SPDX-License-Identifier: Apache-2.0 4 */ 5 6 /** @file 7 * @brief Microchip XEC MCU family I2C port support. 8 * 9 */ 10 11 #ifndef _MICROCHIP_MEC_SOC_I2C_H_ 12 #define _MICROCHIP_MEC_SOC_I2C_H_ 13 14 /* 144-pin package I2C port masks */ 15 #if defined(CONFIG_SOC_MEC172X_NSZ) 16 #define MEC_I2C_PORT_MASK 0xFEFFU 17 #elif defined(CONFIG_SOC_MEC1501_HSZ) 18 #define MEC_I2C_PORT_MASK 0xFEFFU 19 #endif 20 21 #define MCHP_I2C_PORT_0 0 22 #define MCHP_I2C_PORT_1 1 23 #define MCHP_I2C_PORT_2 2 24 #define MCHP_I2C_PORT_3 3 25 #define MCHP_I2C_PORT_4 4 26 #define MCHP_I2C_PORT_5 5 27 #define MCHP_I2C_PORT_6 6 28 #define MCHP_I2C_PORT_7 7 29 #define MCHP_I2C_PORT_8 8 30 #define MCHP_I2C_PORT_9 9 31 #define MCHP_I2C_PORT_10 10 32 #define MCHP_I2C_PORT_11 11 33 #define MCHP_I2C_PORT_12 12 34 #define MCHP_I2C_PORT_13 13 35 #define MCHP_I2C_PORT_14 14 36 #define MCHP_I2C_PORT_15 15 37 #define MCHP_I2C_PORT_MAX 16 38 39 /* 40 * Read pin states of specified I2C port. 41 * We GPIO control register always active RO pad input bit. 42 * lines b[0]=SCL pin state at pad, b[1]=SDA pin state at pad 43 * Returns 0 success or -EINVAL if port is not support or lines is NULL. 44 */ 45 #define SOC_I2C_SCL_POS 0 46 #define SOC_I2C_SDA_POS 1 47 48 int soc_i2c_port_lines_get(uint8_t port, uint32_t *lines); 49 50 #endif /* _MICROCHIP_MEC_SOC_I2C_H_ */ 51
