| /* 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 |
