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.comSigned-off-by: Guenter Roeck <linux@roeck-us.net>

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" },