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arm: fsl: common: Improve NXP VID driver PMBus support

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This patch adds support for more PMBus compatible devices to the NXP
drivers for its QorIQ family devices. At runtime, the voltage regulator is
queried over I2C, and the required voltage multiplier determined. This
change supports the DIRECT and LINEAR PMBus voltage reporting modes.

Previously, the driver only supported a few specific devices such as the
IR36021 and LTC3882, so this change allows the QorIQ series to be used
with a much larger variety of core voltage regulator devices.

checkpatch warning "Use if (IS_DEFINED (...))" was ignored to maintain
consistency with the existing code.

Signed-off-by: Stephen Carlson <stcarlso@linux.microsoft.com>
Signed-off-by: Wasim Khan <wasim.khan@nxp.com>
Tested-by: Wasim Khan <wasim.khan@nxp.com>
[Rebased]
Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com>
This commit is contained in:
Stephen Carlson 2021-02-08 11:11:29 +01:00 committed by Priyanka Jain
parent 6a026e5649
commit b5ee48c099
8 changed files with 488 additions and 530 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
board/freescale/common/Kconfig
View File

@ -21,18 +21,37 @@ config CMD_ESBC_VALIDATE
esbc_validate - validate signature using RSA verification
esbc_halt - put the core in spin loop (Secure Boot Only)
config VID
depends on DM_I2C
bool "Enable Freescale VID"
help
This option enables setting core voltage based on individual
values saved in SoC fuses.
config VOL_MONITOR_LTC3882_READ
depends on VID
bool "Enable the LTC3882 voltage monitor read"
default n
help
This option enables LTC3882 voltage monitor read
functionality. It is used by common VID driver.
functionality. It is used by the common VID driver.
config VOL_MONITOR_LTC3882_SET
depends on VID
bool "Enable the LTC3882 voltage monitor set"
default n
help
This option enables LTC3882 voltage monitor set
functionality. It is used by common VID driver.
functionality. It is used by the common VID driver.
config VOL_MONITOR_ISL68233_READ
depends on VID
bool "Enable the ISL68233 voltage monitor read"
help
This option enables ISL68233 voltage monitor read
functionality. It is used by the common VID driver.
config VOL_MONITOR_ISL68233_SET
depends on VID
bool "Enable the ISL68233 voltage monitor set"
help
This option enables ISL68233 voltage monitor set
functionality. It is used by the common VID driver.

842
board/freescale/common/vid.c
View File

File diff suppressed because it is too large Load Diff

11
board/freescale/common/vid.h
View File

@ -7,16 +7,17 @@
#ifndef __VID_H_
#define __VID_H_
/* IR36021 command codes */
#define IR36021_LOOP1_MANUAL_ID_OFFSET 0x6A
#define IR36021_LOOP1_VOUT_OFFSET 0x9A
#define IR36021_MFR_ID_OFFSET 0x92
#define IR36021_MFR_ID 0x43
#define IR36021_INTEL_MODE_OOFSET 0x14
#define IR36021_INTEL_MODE_OFFSET 0x14
#define IR36021_MODE_MASK 0x20
#define IR36021_INTEL_MODE 0x00
#define IR36021_AMD_MODE 0x20
/* step the IR regulator in 5mV increments */
/* Step the IR regulator in 5mV increments */
#define IR_VDD_STEP_DOWN 5
#define IR_VDD_STEP_UP 5
@ -50,15 +51,16 @@
#define VDD_MV_MAX 925
#endif
#if defined(CONFIG_TARGET_LX2160AQDS) || defined(CONFIG_TARGET_LX2162AQDS) || \
defined(CONFIG_TARGET_LX2160ARDB)
/* PM Bus commands code for LTC3882*/
#define PWM_CHANNEL0 0x0
#define PMBUS_CMD_PAGE 0x0
#define PMBUS_CMD_READ_VOUT 0x8B
#define PMBUS_CMD_VOUT_MODE 0x20
#define PMBUS_CMD_VOUT_COMMAND 0x21
#define PMBUS_CMD_PAGE_PLUS_WRITE 0x05
#if defined(CONFIG_TARGET_LX2160AQDS) || defined(CONFIG_TARGET_LX2162AQDS) || \
defined(CONFIG_TARGET_LX2160ARDB)
/* Voltage monitor on channel 2*/
#define I2C_VOL_MONITOR_BUS_V_OFFSET 0x2
#define I2C_VOL_MONITOR_BUS_V_OVF 0x1
@ -68,5 +70,6 @@ defined(CONFIG_TARGET_LX2160ARDB)
#endif
int adjust_vdd(ulong vdd_override);
u16 soc_get_fuse_vid(int vid_index);
#endif /* __VID_H_ */

40
board/freescale/ls1088a/ls1088a.c
View File

@ -186,6 +186,46 @@ int init_func_vid(void)
return 0;
}
u16 soc_get_fuse_vid(int vid_index)
{
static const u16 vdd[32] = {
10250,
9875,
9750,
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
9000,
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
10000, /* 1.0000V */
10125,
10250,
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
};
return vdd[vid_index];
};
#endif
int is_pb_board(void)

42
board/freescale/ls2080ardb/ls2080ardb.c
View File

@ -43,6 +43,48 @@ enum {
MUX_TYPE_DSPI,
};
#ifdef CONFIG_VID
u16 soc_get_fuse_vid(int vid_index)
{
static const u16 vdd[32] = {
10500,
0, /* reserved */
9750,
0, /* reserved */
9500,
0, /* reserved */
0, /* reserved */
0, /* reserved */
9000, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
10000, /* 1.0000V */
0, /* reserved */
10250,
0, /* reserved */
10500,
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
};
return vdd[vid_index];
};
#endif
unsigned long long get_qixis_addr(void)
{
unsigned long long addr;

42
board/freescale/lx2160a/lx2160a.c
View File

@ -649,6 +649,48 @@ int misc_init_r(void)
}
#endif
#ifdef CONFIG_VID
u16 soc_get_fuse_vid(int vid_index)
{
static const u16 vdd[32] = {
8250,
7875,
7750,
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
8000,
8125,
8250,
0, /* reserved */
8500,
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
0, /* reserved */
};
return vdd[vid_index];
};
#endif
#ifdef CONFIG_FSL_MC_ENET
extern int fdt_fixup_board_phy(void *fdt);

6
include/configs/ls1088aqds.h
View File

@ -326,12 +326,6 @@ unsigned long get_board_ddr_clk(void);
#define CONFIG_VOL_MONITOR_LTC3882_SET
#define CONFIG_VOL_MONITOR_LTC3882_READ
/* PM Bus commands code for LTC3882*/
#define PMBUS_CMD_PAGE 0x0
#define PMBUS_CMD_READ_VOUT 0x8B
#define PMBUS_CMD_PAGE_PLUS_WRITE 0x05
#define PMBUS_CMD_VOUT_COMMAND 0x21
#define PWM_CHANNEL0 0x0
/*

8
include/configs/ls1088ardb.h
View File

@ -203,7 +203,7 @@
#define CONFIG_SYS_LS_MC_BOOT_TIMEOUT_MS 5000
#define I2C_MUX_CH_VOL_MONITOR 0xA
#define I2C_MUX_CH_VOL_MONITOR 0xA
/* Voltage monitor on channel 2*/
#define I2C_VOL_MONITOR_ADDR 0x63
#define I2C_VOL_MONITOR_BUS_V_OFFSET 0x2
@ -221,12 +221,6 @@
#define CONFIG_VOL_MONITOR_LTC3882_SET
#define CONFIG_VOL_MONITOR_LTC3882_READ
/* PM Bus commands code for LTC3882*/
#define PMBUS_CMD_PAGE 0x0
#define PMBUS_CMD_READ_VOUT 0x8B
#define PMBUS_CMD_PAGE_PLUS_WRITE 0x05
#define PMBUS_CMD_VOUT_COMMAND 0x21
#define PWM_CHANNEL0 0x0
/*