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authorFelix Nieuwenhuizen <Felix.Nieuwenhuizen@etas.com>2022-10-27 16:51:35 +0200
committerGuenter Roeck <linux@roeck-us.net>2022-12-04 16:45:02 -0800
commitdaec55ce62ad0bb6948c8edf84e7ec3b95720177 (patch)
tree828532148b11396fb311f78ebea918fdeb85af53
parent9e913888647be447c3d114042428f02d24676390 (diff)
hwmon: (pmbus/ltc2978) add support for LTC7132
Add support for LTC7132. The relevant registers in the LTC7132 are identical to the LTC7880. So it's just a matter of adding the chip id. Signed-off-by: Felix Nieuwenhuizen <Felix.Nieuwenhuizen@etas.com> Link: https://lore.kernel.org/r/20221027145135.31802-1-Felix.Nieuwenhuizen@etas.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>
-rw-r--r--drivers/hwmon/pmbus/ltc2978.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/hwmon/pmbus/ltc2978.c b/drivers/hwmon/pmbus/ltc2978.c
index 6d2592731ba3..79f480b4425d 100644
--- a/drivers/hwmon/pmbus/ltc2978.c
+++ b/drivers/hwmon/pmbus/ltc2978.c
@@ -23,7 +23,7 @@ enum chips {
/* Managers */
ltc2972, ltc2974, ltc2975, ltc2977, ltc2978, ltc2979, ltc2980,
/* Controllers */
- ltc3880, ltc3882, ltc3883, ltc3884, ltc3886, ltc3887, ltc3889, ltc7880,
+ ltc3880, ltc3882, ltc3883, ltc3884, ltc3886, ltc3887, ltc3889, ltc7132, ltc7880,
/* Modules */
ltm2987, ltm4664, ltm4675, ltm4676, ltm4677, ltm4678, ltm4680, ltm4686,
ltm4700,
@@ -45,15 +45,14 @@ enum chips {
#define LTC2974_MFR_IOUT_PEAK 0xd7
#define LTC2974_MFR_IOUT_MIN 0xd8
-/* LTC3880, LTC3882, LTC3883, LTC3887, LTM4675, and LTM4676 */
+/* LTC3880, LTC3882, LTC3883, LTC3887, LTM4675, LTM4676, LTC7132 */
#define LTC3880_MFR_IOUT_PEAK 0xd7
#define LTC3880_MFR_CLEAR_PEAKS 0xe3
#define LTC3880_MFR_TEMPERATURE2_PEAK 0xf4
-/* LTC3883, LTC3884, LTC3886, LTC3889 and LTC7880 only */
+/* LTC3883, LTC3884, LTC3886, LTC3889, LTC7132, LTC7880 */
#define LTC3883_MFR_IIN_PEAK 0xe1
-
/* LTC2975 only */
#define LTC2975_MFR_IIN_PEAK 0xc4
#define LTC2975_MFR_IIN_MIN 0xc5
@@ -79,10 +78,11 @@ enum chips {
#define LTC3884_ID 0x4C00
#define LTC3886_ID 0x4600
#define LTC3887_ID 0x4700
-#define LTM2987_ID_A 0x8010 /* A/B for two die IDs */
-#define LTM2987_ID_B 0x8020
#define LTC3889_ID 0x4900
+#define LTC7132_ID 0x4CE0
#define LTC7880_ID 0x49E0
+#define LTM2987_ID_A 0x8010 /* A/B for two die IDs */
+#define LTM2987_ID_B 0x8020
#define LTM4664_ID 0x4120
#define LTM4675_ID 0x47a0
#define LTM4676_ID_REV1 0x4400
@@ -547,6 +547,7 @@ static const struct i2c_device_id ltc2978_id[] = {
{"ltc3886", ltc3886},
{"ltc3887", ltc3887},
{"ltc3889", ltc3889},
+ {"ltc7132", ltc7132},
{"ltc7880", ltc7880},
{"ltm2987", ltm2987},
{"ltm4664", ltm4664},
@@ -651,6 +652,8 @@ static int ltc2978_get_id(struct i2c_client *client)
return ltc3887;
else if (chip_id == LTC3889_ID)
return ltc3889;
+ else if (chip_id == LTC7132_ID)
+ return ltc7132;
else if (chip_id == LTC7880_ID)
return ltc7880;
else if (chip_id == LTM2987_ID_A || chip_id == LTM2987_ID_B)
@@ -831,6 +834,7 @@ static int ltc2978_probe(struct i2c_client *client)
case ltc3884:
case ltc3886:
case ltc3889:
+ case ltc7132:
case ltc7880:
case ltm4664:
case ltm4678:
@@ -902,6 +906,7 @@ static const struct of_device_id ltc2978_of_match[] = {
{ .compatible = "lltc,ltc3886" },
{ .compatible = "lltc,ltc3887" },
{ .compatible = "lltc,ltc3889" },
+ { .compatible = "lltc,ltc7132" },
{ .compatible = "lltc,ltc7880" },
{ .compatible = "lltc,ltm2987" },
{ .compatible = "lltc,ltm4664" },