rex: add rex-sans-sensors variant

Add a new variant on top of Rex that disables the motionsense task,
sensor configs, and respective DTS nodes.

BRANCH=none
BUG=b:272529568,b:273308069
TEST=zmake build rex rex-sans-sensors

Change-Id: I4df6cbc3e5e92b32232d24d8ce1d0f8a53dd7da6
Signed-off-by: Yuval Peress <peress@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/4339257
Commit-Queue: Keith Short <keithshort@chromium.org>
Reviewed-by: Keith Short <keithshort@chromium.org>
Tested-by: Li1 Feng <li1.feng@intel.com>

3 files changed, 71 insertions, 6 deletions

diff --git a/zephyr/program/rex/BUILD.py b/zephyr/program/rex/BUILD.py
index e635e22f57..82aa3833ec 100644
--- a/zephyr/program/rex/BUILD.py
+++ b/zephyr/program/rex/BUILD.py
@@ -7,23 +7,39 @@
 
 def register_variant(
     project_name,
+    kconfig_files=None,
 ):
     """Register a variant of Rex."""
+    if kconfig_files is None:
+        kconfig_files = [
+            # Common to all projects.
+            here / "program.conf",
+            # Project-specific KConfig customization.
+            here / project_name / "project.conf",
+        ]
+
     register_npcx_project(
         project_name=project_name,
         zephyr_board="npcx9m7f",
         dts_overlays=[
             here / project_name / "project.overlay",
         ],
-        kconfig_files=[
-            # Common to all projects.
-            here / "program.conf",
-            # Project-specific KConfig customization.
-            here / project_name / "project.conf",
-        ],
+        kconfig_files=kconfig_files,
     )
 
 
 register_variant(
     project_name="rex",
 )
+
+register_variant(
+    project_name="rex-sans-sensors",
+    kconfig_files=[
+        # Common to all projects.
+        here / "program.conf",
+        # Parent project's config
+        here / "rex" / "project.conf",
+        # Project-specific KConfig customization.
+        here / "rex-sans-sensors" / "project.conf",
+    ],
+)
diff --git a/zephyr/program/rex/rex-sans-sensors/project.conf b/zephyr/program/rex/rex-sans-sensors/project.conf
new file mode 100644
index 0000000000..d9c0de150c
--- /dev/null
+++ b/zephyr/program/rex/rex-sans-sensors/project.conf
@@ -0,0 +1,26 @@
+# Copyright 2023 The ChromiumOS Authors
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# Disable motionsense
+CONFIG_PLATFORM_EC_MOTIONSENSE=n
+
+# Disable sensors console command
+CONFIG_PLATFORM_EC_CONSOLE_CMD_ACCELS=n
+CONFIG_PLATFORM_EC_CONSOLE_CMD_ACCEL_INFO=n
+CONFIG_PLATFORM_EC_CONSOLE_CMD_I2C_SPEED=n
+
+# Disable sensors
+CONFIG_PLATFORM_EC_ACCEL_FIFO=n
+CONFIG_PLATFORM_EC_DYNAMIC_MOTION_SENSOR_COUNT=n
+CONFIG_PLATFORM_EC_GMR_TABLET_MODE=n
+CONFIG_PLATFORM_EC_LID_ANGLE=n
+CONFIG_PLATFORM_EC_LID_ANGLE_UPDATE=n
+CONFIG_PLATFORM_EC_SENSOR_TIGHT_TIMESTAMPS=n
+CONFIG_PLATFORM_EC_TABLET_MODE=n
+CONFIG_PLATFORM_EC_TABLET_MODE_SWITCH=n
+
+# Disable sensor Drivers
+CONFIG_PLATFORM_EC_ACCELGYRO_LSM6DSO=n
+CONFIG_PLATFORM_EC_ACCEL_LIS2DW12=n
+CONFIG_PLATFORM_EC_ALS_TCS3400=n
diff --git a/zephyr/program/rex/rex-sans-sensors/project.overlay b/zephyr/program/rex/rex-sans-sensors/project.overlay
new file mode 100644
index 0000000000..59f3f5ae6d
--- /dev/null
+++ b/zephyr/program/rex/rex-sans-sensors/project.overlay
@@ -0,0 +1,23 @@
+/* Copyright 2023 The ChromiumOS Authors
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+/* Include base Rex */
+#include "../rex/project.overlay"
+
+&i2c0_0 {
+	status = "disabled";
+};
+&i2c_ec_i2c_sensor {
+	status = "disabled";
+};
+&int_imu {
+	status = "disabled";
+};
+&int_als_rgb {
+	status = "disabled";
+};
+&int_accel {
+	status = "disabled";
+};