linux-kernel - [PATCH 3/3] hwmon: (asus-ec-sensors) add ROG STRIX Z790E GAMING WIFI II

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Message-ID: <20250728205133.15487-4-eugene.shalygin@gmail.com>
Date: Mon, 28 Jul 2025 22:49:10 +0200
From: Eugene Shalygin <eugene.shalygin@...il.com>
To: eugene.shalygin@...il.com
Cc: Nicholas Flintham <nick@...nny.org>,
	Jean Delvare <jdelvare@...e.com>,
	Guenter Roeck <linux@...ck-us.net>,
	Jonathan Corbet <corbet@....net>,
	linux-hwmon@...r.kernel.org,
	linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 3/3] hwmon: (asus-ec-sensors) add ROG STRIX Z790E GAMING WIFI II

From: Nicholas Flintham <nick@...nny.org>

Adds support for the ROG STRIX Z790E GAMING WIFI II board

Signed-off-by: Nicholas Flintham <nick@...nny.org>
Signed-off-by: Eugene Shalygin <eugene.shalygin@...il.com>
---
 Documentation/hwmon/asus_ec_sensors.rst |  1 +
 drivers/hwmon/asus-ec-sensors.c         | 25 ++++++++++++++++++++++++-
 2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/Documentation/hwmon/asus_ec_sensors.rst b/Documentation/hwmon/asus_ec_sensors.rst
index 1e8274dba35f..da9a00111d1c 100644
--- a/Documentation/hwmon/asus_ec_sensors.rst
+++ b/Documentation/hwmon/asus_ec_sensors.rst
@@ -34,6 +34,7 @@ Supported boards:
  * ROG STRIX Z390-F GAMING
  * ROG STRIX Z490-F GAMING
  * ROG STRIX Z690-A GAMING WIFI D4
+ * ROG STRIX Z790-E GAMING WIFI II
  * ROG ZENITH II EXTREME
  * ROG ZENITH II EXTREME ALPHA
  * TUF GAMING X670E PLUS
diff --git a/drivers/hwmon/asus-ec-sensors.c b/drivers/hwmon/asus-ec-sensors.c
index 0b19d148f65d..b9543eda2522 100644
--- a/drivers/hwmon/asus-ec-sensors.c
+++ b/drivers/hwmon/asus-ec-sensors.c
@@ -56,6 +56,8 @@ static char *mutex_path_override;
 
 #define ASUS_HW_ACCESS_MUTEX_RMTW_ASMX	"\\RMTW.ASMX"
 
+#define ASUS_HW_ACCESS_MUTEX_SB_PC00_LPCB_SIO1_MUT0 "\\_SB.PC00.LPCB.SIO1.MUT0"
+
 #define ASUS_HW_ACCESS_MUTEX_SB_PCI0_SBRG_SIO1_MUT0 "\\_SB_.PCI0.SBRG.SIO1.MUT0"
 
 #define MAX_IDENTICAL_BOARD_VARIATIONS	3
@@ -168,7 +170,8 @@ enum board_family {
 	family_amd_800_series,
 	family_intel_300_series,
 	family_intel_400_series,
-	family_intel_600_series
+	family_intel_600_series,
+	family_intel_700_series
 };
 
 /*
@@ -323,6 +326,14 @@ static const struct ec_sensor_info sensors_family_intel_600[] = {
 		EC_SENSOR("Water_Block_In", hwmon_temp, 1, 0x01, 0x02),
 };
 
+static const struct ec_sensor_info sensors_family_intel_700[] = {
+	[ec_sensor_temp_t_sensor] =
+		EC_SENSOR("T_Sensor", hwmon_temp, 1, 0x01, 0x09),
+	[ec_sensor_temp_vrm] = EC_SENSOR("VRM", hwmon_temp, 1, 0x00, 0x33),
+	[ec_sensor_fan_cpu_opt] =
+		EC_SENSOR("CPU_Opt", hwmon_fan, 2, 0x00, 0xb0),
+};
+
 /* Shortcuts for common combinations */
 #define SENSOR_SET_TEMP_CHIPSET_CPU_MB                                         \
 	(SENSOR_TEMP_CHIPSET | SENSOR_TEMP_CPU | SENSOR_TEMP_MB)
@@ -568,6 +579,13 @@ static const struct ec_board_info board_info_strix_z690_a_gaming_wifi_d4 = {
 	.family = family_intel_600_series,
 };
 
+static const struct ec_board_info board_info_strix_z790_e_gaming_wifi_ii = {
+	.sensors = SENSOR_TEMP_T_SENSOR | SENSOR_TEMP_VRM |
+		SENSOR_FAN_CPU_OPT,
+	.mutex_path = ASUS_HW_ACCESS_MUTEX_SB_PC00_LPCB_SIO1_MUT0,
+	.family = family_intel_700_series,
+};
+
 static const struct ec_board_info board_info_zenith_ii_extreme = {
 	.sensors = SENSOR_SET_TEMP_CHIPSET_CPU_MB | SENSOR_TEMP_T_SENSOR |
 		SENSOR_TEMP_VRM | SENSOR_SET_TEMP_WATER |
@@ -660,6 +678,8 @@ static const struct dmi_system_id dmi_table[] = {
 					&board_info_strix_z490_f_gaming),
 	DMI_EXACT_MATCH_ASUS_BOARD_NAME("ROG STRIX Z690-A GAMING WIFI D4",
 					&board_info_strix_z690_a_gaming_wifi_d4),
+	DMI_EXACT_MATCH_ASUS_BOARD_NAME("ROG STRIX Z790-E GAMING WIFI II",
+					&board_info_strix_z790_e_gaming_wifi_ii),
 	DMI_EXACT_MATCH_ASUS_BOARD_NAME("ROG ZENITH II EXTREME",
 					&board_info_zenith_ii_extreme),
 	DMI_EXACT_MATCH_ASUS_BOARD_NAME("ROG ZENITH II EXTREME ALPHA",
@@ -1142,6 +1162,9 @@ static int asus_ec_probe(struct platform_device *pdev)
 	case family_intel_600_series:
 		ec_data->sensors_info = sensors_family_intel_600;
 		break;
+	case family_intel_700_series:
+		ec_data->sensors_info = sensors_family_intel_700;
+		break;
 	default:
 		dev_err(dev, "Unknown board family: %d",
 			ec_data->board_info->family);
-- 
2.50.1