/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LINUX_I2C_ALGO_PCA_H #define _LINUX_I2C_ALGO_PCA_H /* Chips known to the pca algo */ #define I2C_PCA_CHIP_9564 … #define I2C_PCA_CHIP_9665 … /* Internal period for PCA9665 oscilator */ #define I2C_PCA_OSC_PER … /* Clock speeds for the bus for PCA9564*/ #define I2C_PCA_CON_330kHz … #define I2C_PCA_CON_288kHz … #define I2C_PCA_CON_217kHz … #define I2C_PCA_CON_146kHz … #define I2C_PCA_CON_88kHz … #define I2C_PCA_CON_59kHz … #define I2C_PCA_CON_44kHz … #define I2C_PCA_CON_36kHz … /* PCA9564 registers */ #define I2C_PCA_STA … #define I2C_PCA_TO … #define I2C_PCA_DAT … #define I2C_PCA_ADR … #define I2C_PCA_CON … /* PCA9665 registers */ #define I2C_PCA_INDPTR … #define I2C_PCA_IND … /* PCA9665 indirect registers */ #define I2C_PCA_ICOUNT … #define I2C_PCA_IADR … #define I2C_PCA_ISCLL … #define I2C_PCA_ISCLH … #define I2C_PCA_ITO … #define I2C_PCA_IPRESET … #define I2C_PCA_IMODE … /* PCA9665 I2C bus mode */ #define I2C_PCA_MODE_STD … #define I2C_PCA_MODE_FAST … #define I2C_PCA_MODE_FASTP … #define I2C_PCA_MODE_TURBO … #define I2C_PCA_CON_AA … #define I2C_PCA_CON_ENSIO … #define I2C_PCA_CON_STA … #define I2C_PCA_CON_STO … #define I2C_PCA_CON_SI … #define I2C_PCA_CON_CR … /** * struct pca_i2c_bus_settings - The configured PCA i2c bus settings * @mode: Configured i2c bus mode * @tlow: Configured SCL LOW period * @thi: Configured SCL HIGH period * @clock_freq: The configured clock frequency */ struct pca_i2c_bus_settings { … }; struct i2c_algo_pca_data { … }; int i2c_pca_add_bus(struct i2c_adapter *); int i2c_pca_add_numbered_bus(struct i2c_adapter *); #endif /* _LINUX_I2C_ALGO_PCA_H */
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