1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Copyright 2014 Freescale Semiconductor, Inc.
10 #define IR36021_LOOP1_MANUAL_ID_OFFSET 0x6A
11 #define IR36021_LOOP1_VOUT_OFFSET 0x9A
12 #define IR36021_MFR_ID_OFFSET 0x92
13 #define IR36021_MFR_ID 0x43
14 #define IR36021_INTEL_MODE_OOFSET 0x14
15 #define IR36021_MODE_MASK 0x20
16 #define IR36021_INTEL_MODE 0x00
17 #define IR36021_AMD_MODE 0x20
19 /* step the IR regulator in 5mV increments */
20 #define IR_VDD_STEP_DOWN 5
21 #define IR_VDD_STEP_UP 5
24 #define PMBUS_CMD_WRITE_PROTECT 0x10
26 * WRITE_PROTECT command supported values
27 * 0x80: Disable all writes except WRITE_PROTECT, PAGE,
28 * STORE_USER_ALL and MFR_EE_UNLOCK commands.
29 * 0x40: Disable all writes except WRITE_PROTECT, PAGE, STORE_USER_ALL,
30 * MFR_EE_UNLOCK, OPERATION, CLEAR_PEAKS and CLEAR_FAULTS commands.
31 * Individual faults can also be cleared by writing a 1 to the
32 * respective status bit.
33 * 0x20: Disable all writes except WRITE_PROTECT, PAGE, STORE_USER_ ALL,
34 * MFR_EE_UNLOCK, OPERATION, CLEAR_PEAKS, CLEAR_FAULTS, ON_OFF_CONFIG
35 * and VOUT_COMMAND commands. Individual faults can be cleared by
36 * writing a 1 to the respective status bit.
37 * 0x00: Enables write to all commands
39 #define EN_WRITE_ALL_CMD (0)
41 #ifdef CONFIG_TARGET_LX2160ARDB
42 /* The lowest and highest voltage allowed*/
43 #define VDD_MV_MIN 775
44 #define VDD_MV_MAX 855
47 #if defined(CONFIG_TARGET_LX2160AQDS) || defined(CONFIG_TARGET_LX2162AQDS)
48 /* The lowest and highest voltage allowed*/
49 #define VDD_MV_MIN 775
50 #define VDD_MV_MAX 925
53 #if defined(CONFIG_TARGET_LX2160AQDS) || defined(CONFIG_TARGET_LX2162AQDS) || \
54 defined(CONFIG_TARGET_LX2160ARDB)
55 /* PM Bus commands code for LTC3882*/
56 #define PWM_CHANNEL0 0x0
57 #define PMBUS_CMD_PAGE 0x0
58 #define PMBUS_CMD_READ_VOUT 0x8B
59 #define PMBUS_CMD_VOUT_COMMAND 0x21
60 #define PMBUS_CMD_PAGE_PLUS_WRITE 0x05
62 /* Voltage monitor on channel 2*/
63 #define I2C_VOL_MONITOR_BUS_V_OFFSET 0x2
64 #define I2C_VOL_MONITOR_BUS_V_OVF 0x1
65 #define I2C_VOL_MONITOR_BUS_V_SHIFT 3
66 #define I2C_VOL_MONITOR_ADDR 0x63
67 #define I2C_MUX_CH_VOL_MONITOR 0xA
70 int adjust_vdd(ulong vdd_override);