linux-kernel - [PATCH 2/2] mfd: qnap-mcu: add driver data for ts233 variant

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Message-ID: <20250730173423.1878599-3-heiko@sntech.de>
Date: Wed, 30 Jul 2025 19:34:23 +0200
From: Heiko Stuebner <heiko@...ech.de>
To: lee@...nel.org
Cc: robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	heiko@...ech.de,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] mfd: qnap-mcu: add driver data for ts233 variant

Add the TS233 compatible and affiliated driver data to qnap-mcu.
The TS233 is mostly similar to the TS433, except not having any of the
PCIe components, so there are only 2 drives.

The fan pwm-limits from the vendor-configuration also are the same
as for the ts433 variant.

Signed-off-by: Heiko Stuebner <heiko@...ech.de>
---
 drivers/mfd/qnap-mcu.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/mfd/qnap-mcu.c b/drivers/mfd/qnap-mcu.c
index 223156b98b79..6ed020206e55 100644
--- a/drivers/mfd/qnap-mcu.c
+++ b/drivers/mfd/qnap-mcu.c
@@ -329,6 +329,14 @@ static int qnap_mcu_power_off(struct sys_off_data *data)
 	return NOTIFY_DONE;
 }
 
+static const struct qnap_mcu_variant qnap_ts233_mcu = {
+	.baud_rate = 115200,
+	.num_drives = 2,
+	.fan_pwm_min = 51,  /* Specified in original model.conf */
+	.fan_pwm_max = 255,
+	.usb_led = true,
+};
+
 static const struct qnap_mcu_variant qnap_ts433_mcu = {
 	.baud_rate = 115200,
 	.num_drives = 4,
@@ -405,6 +413,7 @@ static int qnap_mcu_probe(struct serdev_device *serdev)
 }
 
 static const struct of_device_id qnap_mcu_dt_ids[] = {
+	{ .compatible = "qnap,ts233-mcu", .data = &qnap_ts233_mcu },
 	{ .compatible = "qnap,ts433-mcu", .data = &qnap_ts433_mcu },
 	{ /* sentinel */ }
 };
-- 
2.47.2