Viewing file:  regs-i2c.h (1.65 KB) -rw-r--r--
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/* SPDX-License-Identifier: GPL-2.0 */
/*
* PKUnity Inter-integrated Circuit (I2C) Registers
*/
/*
* Control Reg I2C_CON.
*/
#define I2C_CON (PKUNITY_I2C_BASE + 0x0000)
/*
* Target Address Reg I2C_TAR.
*/
#define I2C_TAR (PKUNITY_I2C_BASE + 0x0004)
/*
* Data buffer and command Reg I2C_DATACMD.
*/
#define I2C_DATACMD (PKUNITY_I2C_BASE + 0x0010)
/*
* Enable Reg I2C_ENABLE.
*/
#define I2C_ENABLE (PKUNITY_I2C_BASE + 0x006C)
/*
* Status Reg I2C_STATUS.
*/
#define I2C_STATUS (PKUNITY_I2C_BASE + 0x0070)
/*
* Tx FIFO Length Reg I2C_TXFLR.
*/
#define I2C_TXFLR (PKUNITY_I2C_BASE + 0x0074)
/*
* Rx FIFO Length Reg I2C_RXFLR.
*/
#define I2C_RXFLR (PKUNITY_I2C_BASE + 0x0078)
/*
* Enable Status Reg I2C_ENSTATUS.
*/
#define I2C_ENSTATUS (PKUNITY_I2C_BASE + 0x009C)
#define I2C_CON_MASTER FIELD(1, 1, 0)
#define I2C_CON_SPEED_STD FIELD(1, 2, 1)
#define I2C_CON_SPEED_FAST FIELD(2, 2, 1)
#define I2C_CON_RESTART FIELD(1, 1, 5)
#define I2C_CON_SLAVEDISABLE FIELD(1, 1, 6)
#define I2C_DATACMD_READ FIELD(1, 1, 8)
#define I2C_DATACMD_WRITE FIELD(0, 1, 8)
#define I2C_DATACMD_DAT_MASK FMASK(8, 0)
#define I2C_DATACMD_DAT(v) FIELD((v), 8, 0)
#define I2C_ENABLE_ENABLE FIELD(1, 1, 0)
#define I2C_ENABLE_DISABLE FIELD(0, 1, 0)
#define I2C_STATUS_RFF FIELD(1, 1, 4)
#define I2C_STATUS_RFNE FIELD(1, 1, 3)
#define I2C_STATUS_TFE FIELD(1, 1, 2)
#define I2C_STATUS_TFNF FIELD(1, 1, 1)
#define I2C_STATUS_ACTIVITY FIELD(1, 1, 0)
#define I2C_ENSTATUS_ENABLE FIELD(1, 1, 0)
#define I2C_TAR_THERMAL 0x4f
#define I2C_TAR_SPD 0x50
#define I2C_TAR_PWIC 0x55
#define I2C_TAR_EEPROM 0x57
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