zombie: Initial EC image for Zephyr

Create the initial EC image for the zombie variant by copying the
herobrine reference board EC files into a new directory named for
the variant.

(Auto-Generated by create_initial_ec_image.sh version 1.5.0).

BUG=b:249180463
BRANCH=None
TEST=make BOARD=zombie

Signed-off-by: Maulik Vaghela <maulikvaghela@google.com>
Change-Id: I556132feb4a2ddd80e0cda9645532f4caf5268d9
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3946398
Tested-by: Bob Moragues <moragues@chromium.org>
Reviewed-by: Wai-Hong Tam <waihong@google.com>
Commit-Queue: Bob Moragues <moragues@chromium.org>

11 files changed, 721 insertions, 0 deletions

diff --git a/zephyr/projects/herobrine/BUILD.py b/zephyr/projects/herobrine/BUILD.py
index b8bbdb0ce7..d38803deb7 100644
--- a/zephyr/projects/herobrine/BUILD.py
+++ b/zephyr/projects/herobrine/BUILD.py
@@ -107,3 +107,18 @@ register_variant(
     ],
     extra_kconfig_files=[here / "prj_zoglin.conf"],
 )
+
+register_variant(
+    project_name="zombie",
+    extra_dts_overlays=[
+        here / "battery_zombie.dts",
+        here / "gpio_zombie.dts",
+        here / "i2c_zombie.dts",
+        here / "led_pins_zombie.dts",
+        here / "led_policy_zombie.dts",
+        here / "motionsense_zombie.dts",
+        here / "switchcap.dts",
+        here / "usbc_zombie.dts",
+    ],
+    extra_kconfig_files=[here / "prj_zombie.conf"],
+)
diff --git a/zephyr/projects/herobrine/CMakeLists.txt b/zephyr/projects/herobrine/CMakeLists.txt
index 75aae3419e..a7e2fc6cf6 100644
--- a/zephyr/projects/herobrine/CMakeLists.txt
+++ b/zephyr/projects/herobrine/CMakeLists.txt
@@ -32,4 +32,6 @@ elseif(DEFINED CONFIG_BOARD_VILLAGER)
 	project(villager)
 elseif(DEFINED CONFIG_BOARD_ZOGLIN)
 	project(zoglin)
+elseif(DEFINED CONFIG_BOARD_ZOMBIE)
+	project(zombie)
 endif()
diff --git a/zephyr/projects/herobrine/Kconfig b/zephyr/projects/herobrine/Kconfig
index 383d5a08ee..d0056288d5 100644
--- a/zephyr/projects/herobrine/Kconfig
+++ b/zephyr/projects/herobrine/Kconfig
@@ -32,4 +32,10 @@ config BOARD_ZOGLIN
 	  Build Qualcomm Zoglin reference board.  The board uses Nuvoton
 	  NPCX9 chip as the EC.
 
+config BOARD_ZOMBIE
+	bool "Zombie Board"
+	help
+	  Build the Zombie board. The board is based on the Herobrine
+	  reference design.
+
 source "Kconfig.zephyr"
diff --git a/zephyr/projects/herobrine/battery_zombie.dts b/zephyr/projects/herobrine/battery_zombie.dts
new file mode 100644
index 0000000000..dafd473a6e
--- /dev/null
+++ b/zephyr/projects/herobrine/battery_zombie.dts
@@ -0,0 +1,15 @@
+/* Copyright 2022 The ChromiumOS Authors
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+/ {
+	batteries {
+		default_battery: ap19a5k {
+			compatible = "panasonic,ap19a5k", "battery-smart";
+		};
+		ap19a8k {
+			compatible = "lgc,ap19a8k", "battery-smart";
+		};
+	};
+};
diff --git a/zephyr/projects/herobrine/gpio_zombie.dts b/zephyr/projects/herobrine/gpio_zombie.dts
new file mode 100644
index 0000000000..14ed1f54d6
--- /dev/null
+++ b/zephyr/projects/herobrine/gpio_zombie.dts
@@ -0,0 +1,323 @@
+/* Copyright 2022 The ChromiumOS Authors
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+/ {
+	aliases {
+		gpio-wp = &gpio_ec_wp_odl;
+		gpio-kbd-kso2 = &gpio_ec_kso_02_inv;
+	};
+
+	named-gpios {
+		compatible = "named-gpios";
+
+		gpio_usb_c0_pd_int_odl: usb_c0_pd_int_odl {
+			gpios = <&gpioe 0 GPIO_INPUT>;
+			enum-name = "GPIO_USB_C0_PD_INT_ODL";
+		};
+		gpio_usb_c1_pd_int_odl: usb_c1_pd_int_odl {
+			gpios = <&gpiof 5 GPIO_INPUT>;
+			enum-name = "GPIO_USB_C1_PD_INT_ODL";
+		};
+		gpio_usb_c0_swctl_int_odl: usb_c0_swctl_int_odl {
+			gpios = <&gpio0 3 GPIO_INPUT>;
+			enum-name = "GPIO_USB_C0_SWCTL_INT_ODL";
+		};
+		gpio_usb_c1_swctl_int_odl: usb_c1_swctl_int_odl {
+			gpios = <&gpio4 0 GPIO_INPUT>;
+			enum-name = "GPIO_USB_C1_SWCTL_INT_ODL";
+		};
+		gpio_usb_c0_bc12_int_l: usb_c0_bc12_int_l {
+			gpios = <&gpio6 1 GPIO_INPUT_PULL_UP>;
+		};
+		gpio_usb_c1_bc12_int_l: usb_c1_bc12_int_l {
+			gpios = <&gpio8 2 GPIO_INPUT_PULL_UP>;
+		};
+		gpio_usb_a0_oc_odl: usb_a0_oc_odl {
+			gpios = <&gpiof 4 GPIO_INPUT_PULL_UP>;
+		};
+		gpio_chg_acok_od: chg_acok_od {
+			gpios = <&gpiod 2 GPIO_INPUT>;
+			enum-name = "GPIO_AC_PRESENT";
+		};
+		gpio_ec_pwr_btn_odl: ec_pwr_btn_odl {
+			gpios = <&gpio0 0 GPIO_INPUT>;
+			enum-name = "GPIO_POWER_BUTTON_L";
+		};
+		gpio_ec_voldn_btn_odl: ec_voldn_btn_odl {
+			gpios = <&gpio6 2 GPIO_INPUT_PULL_UP>;
+			enum-name = "GPIO_VOLUME_DOWN_L";
+		};
+		gpio_ec_volup_btn_odl: ec_volup_btn_odl {
+			gpios = <&gpioc 2 GPIO_INPUT_PULL_UP>;
+			enum-name = "GPIO_VOLUME_UP_L";
+		};
+		gpio_ec_wp_odl: ec_wp_odl {
+			gpios = <&gpiod 3 (GPIO_INPUT | GPIO_ACTIVE_LOW)>;
+		};
+		gpio_lid_open_ec: lid_open_ec {
+			gpios = <&gpio0 1 GPIO_INPUT>;
+			enum-name = "GPIO_LID_OPEN";
+		};
+		gpio_ap_rst_l: ap_rst_l {
+			gpios = <&gpio5 1 GPIO_INPUT>;
+			enum-name = "GPIO_AP_RST_L";
+		};
+		gpio_ps_hold: ps_hold {
+			gpios = <&gpioa 6 GPIO_INPUT_PULL_DOWN>;
+			enum-name = "GPIO_PS_HOLD";
+		};
+		gpio_ap_suspend: ap_suspend {
+			gpios = <&gpio5 7 GPIO_INPUT>;
+			enum-name = "GPIO_AP_SUSPEND";
+		};
+		gpio_mb_power_good: mb_power_good {
+			gpios = <&gpio3 7 GPIO_INPUT_PULL_DOWN>;
+			enum-name = "GPIO_POWER_GOOD";
+		};
+		gpio_warm_reset_l: warm_reset_l {
+			gpios = <&gpiob 0 GPIO_INPUT>;
+			enum-name = "GPIO_WARM_RESET_L";
+		};
+		ap_ec_spi_cs_l {
+			gpios = <&gpio5 3 GPIO_INPUT_PULL_DOWN>;
+		};
+		gpio_tablet_mode_l: tablet_mode_l {
+			gpios = <&gpioc 6 GPIO_INPUT>;
+			enum-name = "GPIO_TABLET_MODE_L";
+		};
+		gpio_accel_gyro_int_l: accel_gyro_int_l {
+			gpios = <&gpioa 3 GPIO_INPUT>;
+		};
+		gpio_rtc_ec_wake_odl: rtc_ec_wake_odl {
+			gpios = <&gpio0 2 GPIO_INPUT>;
+		};
+		ec_entering_rw {
+			gpios = <&gpio7 2 GPIO_OUTPUT_LOW>;
+			enum-name = "GPIO_ENTERING_RW";
+		};
+		ccd_mode_odl {
+			gpios = <&gpio6 3 GPIO_INPUT>;
+			enum-name = "GPIO_CCD_MODE_ODL";
+		};
+		ec_batt_pres_odl {
+			gpios = <&gpioe 5 GPIO_INPUT>;
+			enum-name = "GPIO_BATT_PRES_ODL";
+		};
+		ec_gsc_packet_mode {
+			gpios = <&gpio8 3 GPIO_OUTPUT_LOW>;
+			enum-name = "GPIO_PACKET_MODE_EN";
+		};
+		pmic_resin_l {
+			gpios = <&gpioa 0 GPIO_ODR_HIGH>;
+			enum-name = "GPIO_PMIC_RESIN_L";
+		};
+		pmic_kpd_pwr_odl {
+			gpios = <&gpioa 2 GPIO_ODR_HIGH>;
+			enum-name = "GPIO_PMIC_KPD_PWR_ODL";
+		};
+		ap_ec_int_l {
+			gpios = <&gpio5 6 GPIO_ODR_HIGH>;
+			enum-name = "GPIO_EC_INT_L";
+		};
+		gpio_switchcap_on: switchcap_on {
+			gpios = <&gpiod 5 GPIO_OUTPUT_LOW>;
+			enum-name = "GPIO_SWITCHCAP_ON";
+		};
+		gpio_en_pp5000_s5: en_pp5000_s5 {
+			gpios = <&gpio7 3 GPIO_OUTPUT_HIGH>;
+			enum-name = "GPIO_EN_PP5000";
+		};
+		ec_bl_disable_l {
+			/* The PMIC controls backlight enable and this pin must
+			 * be HiZ for normal operation. But the backlight can
+			 * be enabled by setting this pin low and configuring it
+			 * as an output.
+			 */
+			gpios = <&gpiob 6 GPIO_INPUT>;
+			enum-name = "GPIO_ENABLE_BACKLIGHT";
+		};
+		lid_accel_int_l {
+			gpios = <&gpioa 1 GPIO_INPUT>;
+		};
+		tp_int_gate {
+			gpios = <&gpio7 4 GPIO_OUTPUT_LOW>;
+		};
+		gpio_usb_c0_pd_rst_l: usb_c0_pd_rst_l {
+			gpios = <&gpiof 1 GPIO_OUTPUT_HIGH>;
+		};
+		gpio_usb_c1_pd_rst_l: usb_c1_pd_rst_l {
+			gpios = <&gpioe 4 GPIO_OUTPUT_HIGH>;
+		};
+		gpio_dp_mux_oe_l: dp_mux_oe_l {
+			gpios = <&gpiob 1 GPIO_ODR_HIGH>;
+		};
+		gpio_dp_mux_sel: dp_mux_sel {
+			gpios = <&gpio4 5 GPIO_OUTPUT_LOW>;
+		};
+		gpio_dp_hot_plug_det_r: dp_hot_plug_det_r {
+			gpios = <&gpio9 5 GPIO_OUTPUT_LOW>;
+		};
+		gpio_en_usb_a_5v: en_usb_a_5v {
+			gpios = <&gpiof 0 GPIO_OUTPUT_LOW>;
+			enum-name = "GPIO_EN_USB_A_5V";
+		};
+		usb_a_cdp_ilim_en_l {
+			gpios = <&gpio7 5 GPIO_OUTPUT_HIGH>;
+		};
+		gpio_usb_c0_frs_en: usb_c0_frs_en {
+			gpios = <&gpioc 5 GPIO_OUTPUT_LOW>;
+			enum-name = "GPIO_USB_C0_FRS_EN";
+		};
+		gpio_usb_c1_frs_en: usb_c1_frs_en {
+			gpios = <&gpioc 1 GPIO_OUTPUT_LOW>;
+			enum-name = "GPIO_USB_C1_FRS_EN";
+		};
+		gpio_ec_chg_led_y_c0: ec_chg_led_y_c0 {
+			#led-pin-cells = <1>;
+			gpios = <&gpio6 0 GPIO_OUTPUT_LOW>;
+		};
+		gpio_ec_chg_led_b_c0: ec_chg_led_b_c0 {
+			#led-pin-cells = <1>;
+			gpios = <&gpioc 0 GPIO_OUTPUT_LOW>;
+		};
+		ap_ec_spi_mosi {
+			gpios = <&gpio4 6 GPIO_INPUT_PULL_DOWN>;
+		};
+		ap_ec_spi_miso {
+			gpios = <&gpio4 7 GPIO_INPUT_PULL_DOWN>;
+		};
+		ap_ec_spi_clk {
+			gpios = <&gpio5 5 GPIO_INPUT_PULL_DOWN>;
+		};
+		gpio_brd_id0: brd_id0 {
+			gpios = <&gpio9 4 GPIO_INPUT>;
+			enum-name = "GPIO_BOARD_VERSION1";
+		};
+		gpio_brd_id1: brd_id1 {
+			gpios = <&gpio9 7 GPIO_INPUT>;
+			enum-name = "GPIO_BOARD_VERSION2";
+		};
+		gpio_brd_id2: brd_id2 {
+			gpios = <&gpioa 5 GPIO_INPUT>;
+			enum-name = "GPIO_BOARD_VERSION3";
+		};
+		gpio_sku_id0: sku_id0 {
+			gpios = <&gpio6 7 GPIO_INPUT>;
+		};
+		gpio_sku_id1: sku_id1 {
+			gpios = <&gpio7 0 GPIO_INPUT>;
+		};
+		gpio_sku_id2: sku_id2 {
+			gpios = <&gpioe 1 GPIO_INPUT>;
+		};
+		gpio_switchcap_pg: src_vph_pwr_pg {
+			gpios = <&gpioe 2 GPIO_INPUT_PULL_DOWN>;
+			enum-name = "GPIO_SWITCHCAP_PG";
+		};
+		arm_x86 {
+			gpios = <&gpio6 6 GPIO_OUTPUT_LOW>;
+		};
+		ec-i2c-sensor-scl {
+			gpios = <&gpiob 3 (GPIO_INPUT | GPIO_VOLTAGE_1P8)>;
+		};
+		ec-i2c-sensor-sda {
+			gpios = <&gpiob 2 (GPIO_INPUT | GPIO_VOLTAGE_1P8)>;
+		};
+		gpio_ec_kso_02_inv: ec_kso_02_inv {
+			gpios = <&gpio1 7 (GPIO_OUTPUT_LOW | GPIO_ACTIVE_LOW)>;
+		};
+	};
+
+	usba-port-enable-list {
+		compatible = "cros-ec,usba-port-enable-pins";
+		enable-pins = <&gpio_en_usb_a_5v>;
+	};
+
+	sku {
+		compatible = "cros-ec,gpio-id";
+
+		bits  = <
+			&gpio_sku_id0
+			&gpio_sku_id1
+			&gpio_sku_id2
+		>;
+
+		system = "ternary";
+	};
+
+	board {
+		compatible = "cros-ec,gpio-id";
+
+		bits  = <
+			&gpio_brd_id0
+			&gpio_brd_id1
+			&gpio_brd_id2
+		>;
+
+		system = "ternary";
+	};
+
+	unused-pins {
+		compatible = "unused-gpios";
+		unused-gpios =
+			<&gpio5 2 0>,
+			<&gpio5 4 0>,
+			<&gpio7 6 0>,
+			<&gpiod 1 0>,
+			<&gpiod 0 0>,
+			<&gpioe 3 0>,
+			<&gpio0 4 0>,
+			<&gpiod 6 0>,
+			<&gpio3 2 0>,
+			<&gpio3 5 0>,
+			<&gpiod 7 0>,
+			<&gpio8 6 0>,
+			<&gpiod 4 0>,
+			<&gpio4 1 0>,
+			<&gpio3 4 0>,
+			<&gpioc 3 0>,
+			<&gpioc 4 0>,
+			<&gpioc 7 0>,
+			<&gpioa 4 0>,
+			<&gpio9 6 0>,
+			<&gpio9 3 0>,
+			<&gpioa 7 0>,
+			<&gpio5 0 0>,
+			<&gpio8 1 0>,
+			<&gpiob 7 0>;
+	};
+};
+
+/* Power switch logic input pads */
+&psl_in1_gpd2 {
+	/* ACOK_OD */
+	psl-in-mode = "edge";
+	psl-in-pol = "high-rising";
+};
+
+&psl_in2_gp00 {
+	/* EC_PWR_BTN_ODL */
+	psl-in-mode = "edge";
+	psl-in-pol = "low-falling";
+};
+
+&psl_in3_gp01 {
+	/* LID_OPEN_EC */
+	psl-in-mode = "edge";
+	psl-in-pol = "high-rising";
+};
+
+&psl_in4_gp02 {
+	/* RTC_EC_WAKE_ODL */
+	psl-in-mode = "edge";
+	psl-in-pol = "low-falling";
+};
+
+/* Power domain device controlled by PSL (Power Switch Logic) IO pads */
+&power_ctrl_psl {
+	status = "okay";
+	pinctrl-names = "sleep";
+	pinctrl-0 = <&psl_in1_gpd2 &psl_in2_gp00 &psl_in3_gp01 &psl_in4_gp02>;
+};
diff --git a/zephyr/projects/herobrine/i2c_zombie.dts b/zephyr/projects/herobrine/i2c_zombie.dts
new file mode 100644
index 0000000000..efdf88ac38
--- /dev/null
+++ b/zephyr/projects/herobrine/i2c_zombie.dts
@@ -0,0 +1,34 @@
+/* Copyright 2022 The ChromiumOS Authors
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "i2c_common.dtsi"
+
+&i2c1_0 {
+	ppc_port0: syv682x@41 {
+		compatible = "silergy,syv682x";
+		status = "okay";
+		reg = <0x41>;
+		frs_en_gpio = <&gpio_usb_c0_frs_en>;
+	};
+
+	tcpc_port0: ps8xxx@b {
+		compatible = "parade,ps8xxx";
+		reg = <0xb>;
+	};
+};
+
+&i2c2_0 {
+	ppc_port1: syv682x@41 {
+		compatible = "silergy,syv682x";
+		status = "okay";
+		reg = <0x41>;
+		frs_en_gpio = <&gpio_usb_c1_frs_en>;
+	};
+
+	tcpc_port1: ps8xxx@b {
+		compatible = "parade,ps8xxx";
+		reg = <0xb>;
+	};
+};
diff --git a/zephyr/projects/herobrine/led_pins_zombie.dts b/zephyr/projects/herobrine/led_pins_zombie.dts
new file mode 100644
index 0000000000..b0913cdbce
--- /dev/null
+++ b/zephyr/projects/herobrine/led_pins_zombie.dts
@@ -0,0 +1,33 @@
+/* Copyright 2022 The ChromiumOS Authors
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+/ {
+	gpio-led-pins {
+		compatible = "cros-ec,gpio-led-pins";
+
+		color_off: color-off {
+			led-color = "LED_OFF";
+			led-id = "EC_LED_ID_BATTERY_LED";
+			led-pins = <&gpio_ec_chg_led_y_c0 0>,
+				   <&gpio_ec_chg_led_b_c0 0>;
+		};
+
+		color_amber: color-amber {
+			led-color = "LED_AMBER";
+			led-id = "EC_LED_ID_BATTERY_LED";
+			br-color = "EC_LED_COLOR_AMBER";
+			led-pins = <&gpio_ec_chg_led_y_c0 1>,
+				   <&gpio_ec_chg_led_b_c0 0>;
+		};
+
+		color_blue: color-blue {
+			led-color = "LED_BLUE";
+			led-id = "EC_LED_ID_BATTERY_LED";
+			br-color = "EC_LED_COLOR_BLUE";
+			led-pins = <&gpio_ec_chg_led_y_c0 0>,
+				   <&gpio_ec_chg_led_b_c0 1>;
+		};
+	};
+};
diff --git a/zephyr/projects/herobrine/led_policy_zombie.dts b/zephyr/projects/herobrine/led_policy_zombie.dts
new file mode 100644
index 0000000000..f8996a3f4b
--- /dev/null
+++ b/zephyr/projects/herobrine/led_policy_zombie.dts
@@ -0,0 +1,95 @@
+/* Copyright 2022 The ChromiumOS Authors
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+/ {
+	led-colors {
+		compatible = "cros-ec,led-policy";
+
+		power-state-charge {
+			charge-state = "PWR_STATE_CHARGE";
+
+			color-0 {
+				led-color = <&color_amber>;
+			};
+		};
+
+		power-state-discharge-s0 {
+			charge-state = "PWR_STATE_DISCHARGE";
+			chipset-state = "POWER_S0";
+
+			color-0 {
+				led-color = <&color_blue>;
+			};
+		};
+
+		power-state-discharge-s3 {
+			charge-state = "PWR_STATE_DISCHARGE";
+			chipset-state = "POWER_S3";
+
+			/* Amber 1 sec, off 3 sec */
+			color-0 {
+				led-color = <&color_amber>;
+				period-ms = <1000>;
+			};
+			color-1 {
+				led-color = <&color_off>;
+				period-ms = <3000>;
+			};
+		};
+
+		power-state-discharge-s5 {
+			charge-state = "PWR_STATE_DISCHARGE";
+			chipset-state = "POWER_S5";
+
+			color-0 {
+				led-color = <&color_off>;
+			};
+		};
+
+		power-state-error {
+			charge-state = "PWR_STATE_ERROR";
+
+			/* Amber 1 sec, off 1 sec */
+			color-0 {
+				led-color = <&color_amber>;
+				period-ms = <1000>;
+			};
+			color-1 {
+				led-color = <&color_off>;
+				period-ms = <1000>;
+			};
+		};
+
+		power-state-near-full {
+			charge-state = "PWR_STATE_CHARGE_NEAR_FULL";
+
+			color-0 {
+				led-color = <&color_blue>;
+			};
+		};
+
+		power-state-forced-idle {
+			charge-state = "PWR_STATE_FORCED_IDLE";
+
+			/* Blue 2 sec, Amber 2 sec */
+			color-0 {
+				led-color = <&color_blue>;
+				period-ms = <2000>;
+			};
+			color-1 {
+				led-color = <&color_amber>;
+				period-ms = <2000>;
+			};
+		};
+
+		power-state-idle {
+			charge-state = "PWR_STATE_IDLE";
+
+			color-0 {
+				led-color = <&color_blue>;
+			};
+		};
+	};
+};
diff --git a/zephyr/projects/herobrine/motionsense_zombie.dts b/zephyr/projects/herobrine/motionsense_zombie.dts
new file mode 100644
index 0000000000..e069564b35
--- /dev/null
+++ b/zephyr/projects/herobrine/motionsense_zombie.dts
@@ -0,0 +1,148 @@
+/* Copyright 2022 The ChromiumOS Authors
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include <dt-bindings/motionsense/utils.h>
+
+
+/ {
+	aliases {
+		/*
+		 * motion sense's <>_INT_EVENT is handled
+		 * by alias. Using the alias, each driver creates
+		 * its own <>_INT_EVENT.
+		 */
+		bmi260-int = &base_accel;
+	};
+
+	/*
+	 * Declare mutexes used by sensor drivers.
+	 * A mutex node is used to create an instance of mutex_t.
+	 * A mutex node is referenced by a sensor node if the
+	 * corresponding sensor driver needs to use the
+	 * instance of the mutex.
+	 */
+	motionsense-mutex {
+		compatible = "cros-ec,motionsense-mutex";
+		lid_mutex: lid-mutex {
+		};
+
+		mutex_bmi260: bmi260-mutex {
+		};
+	};
+
+	/* Rotation matrix used by drivers. */
+	motionsense-rotation-ref {
+		compatible = "cros-ec,motionsense-rotation-ref";
+		lid_rot_ref: lid-rotation-ref {
+			mat33 = <0 1 0
+				 (-1) 0 0
+				 0 0 1>;
+		};
+
+		base_rot_ref: base-rotation-ref {
+			mat33 = <1 0 0
+				 0 (-1) 0
+				 0 0 (-1)>;
+		};
+	};
+
+	/*
+	 * Driver specific data. A driver-specific data can be shared with
+	 * different motion sensors while they are using the same driver.
+	 *
+	 * If a node's compatible starts with "cros-ec,accelgyro-", it is for
+	 * a common structure defined in accelgyro.h.
+	 * e.g) compatible = "cros-ec,accelgyro-als-drv-data" is for
+	 * "struct als_drv_data_t" in accelgyro.h
+	 */
+	motionsense-sensor-data {
+		kx022_data: kx022-drv-data {
+			compatible = "cros-ec,drvdata-kionix";
+			status = "okay";
+		};
+
+		bmi260_data: bmi260-drv-data {
+			compatible = "cros-ec,drvdata-bmi260";
+			status = "okay";
+		};
+	};
+
+	/*
+	 * List of motion sensors that creates motion_sensors array.
+	 * The nodelabel "lid_accel" and "base_accel" are used to indicate
+	 * motion sensor IDs for lid angle calculation.
+	 */
+	motionsense-sensor {
+		lid_accel: lid-accel {
+			compatible = "cros-ec,kx022";
+			status = "okay";
+
+			active-mask = "SENSOR_ACTIVE_S0_S3";
+			location = "MOTIONSENSE_LOC_LID";
+			mutex = <&lid_mutex>;
+			port = <&i2c_sensor>;
+			rot-standard-ref = <&lid_rot_ref>;
+			default-range = <2>;
+			drv-data = <&kx022_data>;
+			i2c-spi-addr-flags = "KX022_ADDR0_FLAGS";
+			configs {
+				compatible =
+					"cros-ec,motionsense-sensor-config";
+				ec-s0 {
+					odr = <(10000 | ROUND_UP_FLAG)>;
+				};
+				ec-s3 {
+					odr = <(10000 | ROUND_UP_FLAG)>;
+				};
+			};
+		};
+
+		base_accel: base-accel {
+			compatible = "cros-ec,bmi260-accel";
+			status = "okay";
+
+			active-mask = "SENSOR_ACTIVE_S0_S3";
+			location = "MOTIONSENSE_LOC_BASE";
+			mutex = <&mutex_bmi260>;
+			port = <&i2c_sensor>;
+			rot-standard-ref = <&base_rot_ref>;
+			drv-data = <&bmi260_data>;
+			configs {
+				compatible =
+					"cros-ec,motionsense-sensor-config";
+				ec-s0 {
+					odr = <(10000 | ROUND_UP_FLAG)>;
+				};
+				ec-s3 {
+					odr = <(10000 | ROUND_UP_FLAG)>;
+				};
+			};
+		};
+
+		base-gyro {
+			compatible = "cros-ec,bmi260-gyro";
+			status = "okay";
+
+			active-mask = "SENSOR_ACTIVE_S0_S3";
+			location = "MOTIONSENSE_LOC_BASE";
+			mutex = <&mutex_bmi260>;
+			port = <&i2c_sensor>;
+			rot-standard-ref = <&base_rot_ref>;
+			drv-data = <&bmi260_data>;
+		};
+	};
+
+	motionsense-sensor-info {
+		compatible = "cros-ec,motionsense-sensor-info";
+
+		/*
+		 * list of GPIO interrupts that have to
+		 * be enabled at initial stage
+		 */
+		sensor-irqs = <&int_accel_gyro>;
+		/* list of sensors in force mode */
+		accel-force-mode-sensors = <&lid_accel>;
+	};
+};
diff --git a/zephyr/projects/herobrine/prj_zombie.conf b/zephyr/projects/herobrine/prj_zombie.conf
new file mode 100644
index 0000000000..037ab5cc05
--- /dev/null
+++ b/zephyr/projects/herobrine/prj_zombie.conf
@@ -0,0 +1,8 @@
+# Copyright 2022 The ChromiumOS Authors
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# Zombie board-specific Kconfig settings.
+CONFIG_BOARD_ZOMBIE=y
+
+CONFIG_PLATFORM_EC_ACCEL_KX022=y
diff --git a/zephyr/projects/herobrine/usbc_zombie.dts b/zephyr/projects/herobrine/usbc_zombie.dts
new file mode 100644
index 0000000000..20bd48382f
--- /dev/null
+++ b/zephyr/projects/herobrine/usbc_zombie.dts
@@ -0,0 +1,42 @@
+/* Copyright 2022 The ChromiumOS Authors
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+/ {
+	usbc {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		port0@0 {
+			compatible = "named-usbc-port";
+			reg = <0>;
+			bc12 = <&bc12_port0>;
+			ppc = <&ppc_port0>;
+			tcpc = <&tcpc_port0>;
+			chg = <&charger>;
+			usb-mux-chain-0 {
+				compatible = "cros-ec,usb-mux-chain";
+				usb-muxes = <&usb_mux_0>;
+			};
+		};
+		usb_mux_0: usb-mux-0 {
+			compatible = "parade,usbc-mux-ps8xxx";
+		};
+
+		port1@1 {
+			compatible = "named-usbc-port";
+			reg = <1>;
+			bc12 = <&bc12_port1>;
+			ppc = <&ppc_port1>;
+			tcpc = <&tcpc_port1>;
+			usb-mux-chain-1 {
+				compatible = "cros-ec,usb-mux-chain";
+				usb-muxes = <&usb_mux_1>;
+			};
+		};
+		usb_mux_1: usb-mux-1 {
+			compatible = "parade,usbc-mux-ps8xxx";
+		};
+	};
+};