diff options
| author | Colin Huang <u8813345@gmail.com> | 2026-03-16 16:39:34 +0800 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2026-03-30 19:45:06 -0700 |
| commit | ffa2ad0aa64697c29d501f76cb7b7187cbbb147a (patch) | |
| tree | 7237bd2c28cc7819f418b7e0793a906a4cf7f39d | |
| parent | 32a7bdbd201be809c690c64a3a233c7bb640c48c (diff) | |
hwmon: (pmbus) Add Delta Q54SN120A1 Q54SW120A7 chip
Add the DELTA chips Q54SN120A1, Q54SW120A7 in q54sj108a2,
1/4 Brick DC/DC Regulated Power Module with PMBus support
Signed-off-by: Colin Huang <u8813345@gmail.com>
Link: https://lore.kernel.org/r/20260316-add-q54sn120a1-q54q54sw120a7-v2-2-60e6182cc4a7@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
| -rw-r--r-- | drivers/hwmon/pmbus/q54sj108a2.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/drivers/hwmon/pmbus/q54sj108a2.c b/drivers/hwmon/pmbus/q54sj108a2.c index 7e799f36f923..a368cfa9d45a 100644 --- a/drivers/hwmon/pmbus/q54sj108a2.c +++ b/drivers/hwmon/pmbus/q54sj108a2.c @@ -271,6 +271,8 @@ static const struct file_operations q54sj108a2_fops = { static const struct i2c_device_id q54sj108a2_id[] = { { "q54sj108a2", q54sj108a2 }, + { "q54sn120a1", q54sj108a2 }, + { "q54sw120a7", q54sj108a2 }, { }, }; @@ -280,6 +282,7 @@ static int q54sj108a2_probe(struct i2c_client *client) { struct device *dev = &client->dev; u8 buf[I2C_SMBUS_BLOCK_MAX + 1]; + const struct i2c_device_id *mid; enum chips chip_id; int ret, i; struct dentry *debugfs; @@ -313,8 +316,12 @@ static int q54sj108a2_probe(struct i2c_client *client) dev_err(dev, "Failed to read Manufacturer Model\n"); return ret; } - if (ret != 14 || strncmp(buf, "Q54SJ108A2", 10)) { - buf[ret] = '\0'; + buf[ret] = '\0'; + for (mid = q54sj108a2_id; mid->name[0]; mid++) { + if (!strncasecmp(mid->name, buf, strlen(mid->name))) + break; + } + if (!mid->name[0]) { dev_err(dev, "Unsupported Manufacturer Model '%s'\n", buf); return -ENODEV; } @@ -324,7 +331,10 @@ static int q54sj108a2_probe(struct i2c_client *client) dev_err(dev, "Failed to read Manufacturer Revision\n"); return ret; } - if (ret != 4 || buf[0] != 'S') { + /* + * accept manufacturer revision with optional NUL byte + */ + if (!(ret == 4 || ret == 5) || buf[0] != 'S') { buf[ret] = '\0'; dev_err(dev, "Unsupported Manufacturer Revision '%s'\n", buf); return -ENODEV; @@ -401,6 +411,8 @@ static int q54sj108a2_probe(struct i2c_client *client) static const struct of_device_id q54sj108a2_of_match[] = { { .compatible = "delta,q54sj108a2", .data = (void *)q54sj108a2 }, + { .compatible = "delta,q54sn120a1", .data = (void *)q54sj108a2 }, + { .compatible = "delta,q54sw120a7", .data = (void *)q54sj108a2 }, { }, }; |