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authorLinus Torvalds <torvalds@linux-foundation.org>2023-11-01 06:44:17 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2023-11-01 06:44:17 +0300
commitf9a7eda4d73d44dc1d17d05cdc9aeb9fc5660740 (patch)
treebd6ea1fd74130f51372706a87fcf61dabba5b3df /drivers/hwmon/adt7475.c
parent34aac0a33de21ec6e03b689342c0933a4989fbc2 (diff)
parent0f564130e5c76f1e5cf0008924f6a6cd138929d9 (diff)
downloadlinux-f9a7eda4d73d44dc1d17d05cdc9aeb9fc5660740.tar.xz
Merge tag 'hwmon-for-v6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck: "New drivers: - Driver for LTC2991 - Driver for POWER-Z Added chip / system support to existing drivers: - The ina238 driver now also supports INA237 - The asus-ec-sensors driver now supports ROG Crosshair X670E Gene - The aquacomputer_d5next now supports Aquacomputer High Flow USB and MPS Flow - The pmbus/mpq7932 driver now also supports MPQ2286 - The nct6683 now also supports ASRock X670E Taichi Various other minor improvements and fixes: - One patch series to call out is the conversion of hwmon platform drivers to use the platform remove callback returning void" * tag 'hwmon-for-v6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (69 commits) hwmon: (aquacomputer_d5next) Check if temp sensors of legacy devices are connected hwmon: (aquacomputer_d5next) Add support for Aquacomputer High Flow USB and MPS Flow dt-bindings: hwmon: npcm: Add npcm845 compatible string hwmon: Add driver for ltc2991 dt-bindings: hwmon: ltc2991: add bindings hwmon: (pmbus/max31785) Add delay between bus accesses hwmon: (ina238) add ina237 support dt-bindings: hwmon: ti,ina2xx: add ti,ina237 hwmon: (asus-ec-sensors) add ROG Crosshair X670E Gene. hwmon: (max31827) handle vref regulator hwmon: (ina3221) Add support for channel summation disable dt-bindings: hwmon: ina3221: Add ti,summation-disable dt-bindings: hwmon: ina3221: Convert to json-schema hwmon: (pmbus/mpq7932) Add a support for mpq2286 Power Management IC hwmon: (pmbus/core) Add helper macro to define single pmbus regulator regulator: dt-bindings: Add mps,mpq2286 power-management IC hwmon: (pmbus/mpq7932) Get page count based on chip info dt-bindings: hwmon: Add possible new properties to max31827 bindings hwmon: (max31827) Modify conversion wait time hwmon: (max31827) Make code cleaner ...
Diffstat (limited to 'drivers/hwmon/adt7475.c')
-rw-r--r--drivers/hwmon/adt7475.c68
1 files changed, 62 insertions, 6 deletions
diff --git a/drivers/hwmon/adt7475.c b/drivers/hwmon/adt7475.c
index 03acadc3a6cb..4224ffb30483 100644
--- a/drivers/hwmon/adt7475.c
+++ b/drivers/hwmon/adt7475.c
@@ -43,6 +43,7 @@
/* 7475 Common Registers */
#define REG_DEVREV2 0x12 /* ADT7490 only */
+#define REG_IMON 0x1D /* ADT7490 only */
#define REG_VTT 0x1E /* ADT7490 only */
#define REG_EXTEND3 0x1F /* ADT7490 only */
@@ -103,6 +104,9 @@
#define REG_VTT_MIN 0x84 /* ADT7490 only */
#define REG_VTT_MAX 0x86 /* ADT7490 only */
+#define REG_IMON_MIN 0x85 /* ADT7490 only */
+#define REG_IMON_MAX 0x87 /* ADT7490 only */
+
#define VID_VIDSEL 0x80 /* ADT7476 only */
#define CONFIG2_ATTN 0x20
@@ -123,7 +127,7 @@
/* ADT7475 Settings */
-#define ADT7475_VOLTAGE_COUNT 5 /* Not counting Vtt */
+#define ADT7475_VOLTAGE_COUNT 5 /* Not counting Vtt or Imon */
#define ADT7475_TEMP_COUNT 3
#define ADT7475_TACH_COUNT 4
#define ADT7475_PWM_COUNT 3
@@ -204,7 +208,7 @@ struct adt7475_data {
u8 has_fan4:1;
u8 has_vid:1;
u32 alarms;
- u16 voltage[3][6];
+ u16 voltage[3][7];
u16 temp[7][3];
u16 tach[2][4];
u8 pwm[4][3];
@@ -215,7 +219,7 @@ struct adt7475_data {
u8 vid;
u8 vrm;
- const struct attribute_group *groups[9];
+ const struct attribute_group *groups[10];
};
static struct i2c_driver adt7475_driver;
@@ -273,13 +277,14 @@ static inline u16 rpm2tach(unsigned long rpm)
}
/* Scaling factors for voltage inputs, taken from the ADT7490 datasheet */
-static const int adt7473_in_scaling[ADT7475_VOLTAGE_COUNT + 1][2] = {
+static const int adt7473_in_scaling[ADT7475_VOLTAGE_COUNT + 2][2] = {
{ 45, 94 }, /* +2.5V */
{ 175, 525 }, /* Vccp */
{ 68, 71 }, /* Vcc */
{ 93, 47 }, /* +5V */
{ 120, 20 }, /* +12V */
{ 45, 45 }, /* Vtt */
+ { 45, 45 }, /* Imon */
};
static inline int reg2volt(int channel, u16 reg, u8 bypass_attn)
@@ -369,11 +374,16 @@ static ssize_t voltage_store(struct device *dev,
reg = VOLTAGE_MIN_REG(sattr->index);
else
reg = VOLTAGE_MAX_REG(sattr->index);
- } else {
+ } else if (sattr->index == 5) {
if (sattr->nr == MIN)
reg = REG_VTT_MIN;
else
reg = REG_VTT_MAX;
+ } else {
+ if (sattr->nr == MIN)
+ reg = REG_IMON_MIN;
+ else
+ reg = REG_IMON_MAX;
}
i2c_smbus_write_byte_data(client, reg,
@@ -1104,6 +1114,10 @@ static SENSOR_DEVICE_ATTR_2_RO(in5_input, voltage, INPUT, 5);
static SENSOR_DEVICE_ATTR_2_RW(in5_max, voltage, MAX, 5);
static SENSOR_DEVICE_ATTR_2_RW(in5_min, voltage, MIN, 5);
static SENSOR_DEVICE_ATTR_2_RO(in5_alarm, voltage, ALARM, 31);
+static SENSOR_DEVICE_ATTR_2_RO(in6_input, voltage, INPUT, 6);
+static SENSOR_DEVICE_ATTR_2_RW(in6_max, voltage, MAX, 6);
+static SENSOR_DEVICE_ATTR_2_RW(in6_min, voltage, MIN, 6);
+static SENSOR_DEVICE_ATTR_2_RO(in6_alarm, voltage, ALARM, 30);
static SENSOR_DEVICE_ATTR_2_RO(temp1_input, temp, INPUT, 0);
static SENSOR_DEVICE_ATTR_2_RO(temp1_alarm, temp, ALARM, 0);
static SENSOR_DEVICE_ATTR_2_RO(temp1_fault, temp, FAULT, 0);
@@ -1294,6 +1308,14 @@ static struct attribute *in5_attrs[] = {
NULL
};
+static struct attribute *in6_attrs[] = {
+ &sensor_dev_attr_in6_input.dev_attr.attr,
+ &sensor_dev_attr_in6_max.dev_attr.attr,
+ &sensor_dev_attr_in6_min.dev_attr.attr,
+ &sensor_dev_attr_in6_alarm.dev_attr.attr,
+ NULL
+};
+
static struct attribute *vid_attrs[] = {
&dev_attr_cpu0_vid.attr,
&dev_attr_vrm.attr,
@@ -1307,6 +1329,7 @@ static const struct attribute_group in0_attr_group = { .attrs = in0_attrs };
static const struct attribute_group in3_attr_group = { .attrs = in3_attrs };
static const struct attribute_group in4_attr_group = { .attrs = in4_attrs };
static const struct attribute_group in5_attr_group = { .attrs = in5_attrs };
+static const struct attribute_group in6_attr_group = { .attrs = in6_attrs };
static const struct attribute_group vid_attr_group = { .attrs = vid_attrs };
static int adt7475_detect(struct i2c_client *client,
@@ -1389,6 +1412,18 @@ static int adt7475_update_limits(struct i2c_client *client)
data->voltage[MAX][5] = ret << 2;
}
+ if (data->has_voltage & (1 << 6)) {
+ ret = adt7475_read(REG_IMON_MIN);
+ if (ret < 0)
+ return ret;
+ data->voltage[MIN][6] = ret << 2;
+
+ ret = adt7475_read(REG_IMON_MAX);
+ if (ret < 0)
+ return ret;
+ data->voltage[MAX][6] = ret << 2;
+ }
+
for (i = 0; i < ADT7475_TEMP_COUNT; i++) {
/* Adjust values so they match the input precision */
ret = adt7475_read(TEMP_MIN_REG(i));
@@ -1663,7 +1698,7 @@ static int adt7475_probe(struct i2c_client *client)
revision = adt7475_read(REG_DEVID2) & 0x07;
break;
case adt7490:
- data->has_voltage = 0x3e; /* in1 to in5 */
+ data->has_voltage = 0x7e; /* in1 to in6 */
revision = adt7475_read(REG_DEVID2) & 0x03;
if (revision == 0x03)
revision += adt7475_read(REG_DEVREV2);
@@ -1775,6 +1810,9 @@ static int adt7475_probe(struct i2c_client *client)
if (data->has_voltage & (1 << 5)) {
data->groups[group_num++] = &in5_attr_group;
}
+ if (data->has_voltage & (1 << 6)) {
+ data->groups[group_num++] = &in6_attr_group;
+ }
if (data->has_vid) {
data->vrm = vid_which_vrm();
data->groups[group_num] = &vid_attr_group;
@@ -1960,6 +1998,24 @@ static int adt7475_update_measure(struct device *dev)
((ext >> 4) & 3);
}
+ if (data->has_voltage & (1 << 6)) {
+ ret = adt7475_read(REG_STATUS4);
+ if (ret < 0)
+ return ret;
+ data->alarms |= ret << 24;
+
+ ret = adt7475_read(REG_EXTEND3);
+ if (ret < 0)
+ return ret;
+ ext = ret;
+
+ ret = adt7475_read(REG_IMON);
+ if (ret < 0)
+ return ret;
+ data->voltage[INPUT][6] = ret << 2 |
+ ((ext >> 6) & 3);
+ }
+
for (i = 0; i < ADT7475_TACH_COUNT; i++) {
if (i == 3 && !data->has_fan4)
continue;