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Tue, 19 May 2026 07:46:11 +0000 (UTC) From: Colin Huang via B4 Relay Date: Tue, 19 May 2026 15:45:57 +0800 Subject: [PATCH linux dev-6.18 1/2] dt-bindings: trivial-devices: Add Delta Q54SN120A1 and Q54SW120A7 X-Mailing-List: openbmc@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Message-Id: <20260519-dev-6-18-add-delta-q54sn120a1-q54sw120a7-v1-1-9b5eb2c0752e@gmail.com> References: <20260519-dev-6-18-add-delta-q54sn120a1-q54sw120a7-v1-0-9b5eb2c0752e@gmail.com> In-Reply-To: <20260519-dev-6-18-add-delta-q54sn120a1-q54sw120a7-v1-0-9b5eb2c0752e@gmail.com> To: openbmc@lists.ozlabs.org, joel@jms.id.au, andrew@codeconstruct.com.au Cc: Colin Huang , Colin Huang X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1779176769; l=1256; i=u8813345@gmail.com; s=20260202; h=from:subject:message-id; bh=K+IyVbY0YDaHf1Nno10Bh+6JniXhDUqanHMSQJiaYRo=; b=vc1fmn8JejcUhHd0AQo8cBYRp5H05esZop/A0ZMMMFVfm5dq3Qc/9ESB2ZNKRVbeiBeYHmW5X 1ZwvKyL5h9lDFfVre2fKPilJYqDjWXf9VYhTjPHrqJRshwRzovkkwqw X-Developer-Key: i=u8813345@gmail.com; a=ed25519; pk=Zlg0WqpCw4qbswOqamTBTXIchwR/3SnYZpy7rjaGMdQ= X-Endpoint-Received: by B4 Relay for u8813345@gmail.com/20260202 with auth_id=761 X-Original-From: Colin Huang Reply-To: u8813345@gmail.com X-Spam-Status: No, score=2.6 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FORGED_REPLYTO, FREEMAIL_REPLYTO_END_DIGIT,SPF_HELO_NONE,SPF_PASS autolearn=disabled version=4.0.1 X-Spam-Level: ** X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-25) on lists.ozlabs.org From: Colin Huang Add two additional Delta 1/4-brick DC/DC power modules, Q54SN120A1 and Q54SW120A7, to the trivial-devices list. Acked-by: Conor Dooley Signed-off-by: Colin Huang Link: https://lore.kernel.org/r/20260316-add-q54sn120a1-q54q54sw120a7-v2-1-60e6182cc4a7@gmail.com Signed-off-by: Guenter Roeck --- Documentation/devicetree/bindings/trivial-devices.yaml | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/trivial-devices.yaml b/Documentation/devicetree/bindings/trivial-devices.yaml index b20a57677224..dd5077ab3a20 100644 --- a/Documentation/devicetree/bindings/trivial-devices.yaml +++ b/Documentation/devicetree/bindings/trivial-devices.yaml @@ -91,6 +91,10 @@ properties: - delta,e50sn12051 # 1/4 Brick DC/DC Regulated Power Module - delta,q54sj108a2 + # 1300W 1/4 Brick DC/DC Regulated Power Module + - delta,q54sn120a1 + # 2000W 1/4 Brick DC/DC Regulated Power Module + - delta,q54sw120a7 # Devantech SRF02 ultrasonic ranger in I2C mode - devantech,srf02 # Devantech SRF08 ultrasonic ranger From patchwork Tue May 19 07:45:58 2026 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Colin Huang via B4 Relay X-Patchwork-Id: 2240722 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; 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Tue, 19 May 2026 07:46:11 +0000 (UTC) From: Colin Huang via B4 Relay Date: Tue, 19 May 2026 15:45:58 +0800 Subject: [PATCH linux dev-6.18 2/2] hwmon: (pmbus) Add Delta Q54SN120A1 Q54SW120A7 chip X-Mailing-List: openbmc@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Message-Id: <20260519-dev-6-18-add-delta-q54sn120a1-q54sw120a7-v1-2-9b5eb2c0752e@gmail.com> References: <20260519-dev-6-18-add-delta-q54sn120a1-q54sw120a7-v1-0-9b5eb2c0752e@gmail.com> In-Reply-To: <20260519-dev-6-18-add-delta-q54sn120a1-q54sw120a7-v1-0-9b5eb2c0752e@gmail.com> To: openbmc@lists.ozlabs.org, joel@jms.id.au, andrew@codeconstruct.com.au Cc: Colin Huang , Colin Huang X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1779176769; l=2436; i=u8813345@gmail.com; s=20260202; h=from:subject:message-id; bh=PebGsfq1DuqlFezv5ighrmMT+0lm6uGfBIr+dq7+zSI=; b=f1z+o6sSALXICrqbHd4eszFRFWKyJ/JBo0XfuI2PXC6nJTk5LjLTW/o8HMTzfgj+QyX0yZhg8 rr1f55mf+vACzVIEWNQG+HhNhwLDYF/ukBEEvxzNor6I+K/1y3luoGK X-Developer-Key: i=u8813345@gmail.com; a=ed25519; pk=Zlg0WqpCw4qbswOqamTBTXIchwR/3SnYZpy7rjaGMdQ= X-Endpoint-Received: by B4 Relay for u8813345@gmail.com/20260202 with auth_id=761 X-Original-From: Colin Huang Reply-To: u8813345@gmail.com X-Spam-Status: No, score=2.6 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FORGED_REPLYTO, FREEMAIL_REPLYTO_END_DIGIT,SPF_HELO_NONE,SPF_PASS autolearn=disabled version=4.0.1 X-Spam-Level: ** X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-25) on lists.ozlabs.org From: Colin Huang Add the DELTA chips Q54SN120A1, Q54SW120A7 in q54sj108a2, 1/4 Brick DC/DC Regulated Power Module with PMBus support Signed-off-by: Colin Huang Link: https://lore.kernel.org/r/20260316-add-q54sn120a1-q54q54sw120a7-v2-2-60e6182cc4a7@gmail.com Signed-off-by: Guenter Roeck --- drivers/hwmon/pmbus/q54sj108a2.c | 18 +++++++++++++++--- 1 file changed, 15 insertions(+), 3 deletions(-) diff --git a/drivers/hwmon/pmbus/q54sj108a2.c b/drivers/hwmon/pmbus/q54sj108a2.c index 7b0d292a425a..3068983ceacf 100644 --- a/drivers/hwmon/pmbus/q54sj108a2.c +++ b/drivers/hwmon/pmbus/q54sj108a2.c @@ -270,6 +270,8 @@ static const struct file_operations q54sj108a2_fops = { static const struct i2c_device_id q54sj108a2_id[] = { { "q54sj108a2", q54sj108a2 }, + { "q54sn120a1", q54sj108a2 }, + { "q54sw120a7", q54sj108a2 }, { }, }; @@ -279,6 +281,7 @@ 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; @@ -315,8 +318,12 @@ 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; } @@ -326,7 +333,10 @@ 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; @@ -403,6 +413,8 @@ 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 }, { }, };