kakadu: add initial content for the build

This initial content of kakadu is taken after kukui. It will need
to be revised later.

1. Delete BC1.2 function no use U6555
2. No support E-compass
3. G-sensor change from BMI160 to LSM6DS3TR-C
4. backlight use MT6370

BUG=b:144470535
BRANCH=kukui
TEST=make buildall -j
TEST=make -j BOARD=kakadu

Cq-Depend: chromium:1985641
Change-Id: Ifc313c63644cef5cc8540fff5f94b6483352069f
Signed-off-by: Yu-Ping Wu <yupingso@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1916161

7 files changed, 983 insertions, 0 deletions

diff --git a/board/kakadu/analyzestack.yaml b/board/kakadu/analyzestack.yaml
new file mode 100644
index 0000000000..4a057ce818
--- /dev/null
+++ b/board/kakadu/analyzestack.yaml
@@ -0,0 +1,3 @@
+remove:
+# Remove all callsites pointing to panic_assert_fail.
+- panic_assert_fail
diff --git a/board/kakadu/board.c b/board/kakadu/board.c
new file mode 100644
index 0000000000..0a408d0c36
--- /dev/null
+++ b/board/kakadu/board.c
@@ -0,0 +1,536 @@
+/* Copyright 2020 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "adc.h"
+#include "adc_chip.h"
+#include "button.h"
+#include "charge_manager.h"
+#include "charge_ramp.h"
+#include "charge_state.h"
+#include "charger.h"
+#include "charger_mt6370.h"
+#include "chipset.h"
+#include "common.h"
+#include "console.h"
+#include "driver/accelgyro_lsm6dsm.h"
+#include "driver/als_tcs3400.h"
+#include "driver/charger/rt946x.h"
+#include "driver/sync.h"
+#include "driver/tcpm/mt6370.h"
+#include "driver/usb_mux/it5205.h"
+#include "extpower.h"
+#include "gesture.h"
+#include "gpio.h"
+#include "hooks.h"
+#include "host_command.h"
+#include "i2c.h"
+#include "lid_switch.h"
+#include "power.h"
+#include "power_button.h"
+#include "pwm.h"
+#include "pwm_chip.h"
+#include "registers.h"
+#include "spi.h"
+#include "system.h"
+#include "task.h"
+#include "tcpm.h"
+#include "timer.h"
+#include "usb_charge.h"
+#include "usb_mux.h"
+#include "usb_pd_policy.h"
+#include "usb_pd_tcpm.h"
+#include "util.h"
+
+#define CPRINTS(format, args...) cprints(CC_USBCHARGE, format, ## args)
+#define CPRINTF(format, args...) cprintf(CC_USBCHARGE, format, ## args)
+
+static void tcpc_alert_event(enum gpio_signal signal)
+{
+	schedule_deferred_pd_interrupt(0 /* port */);
+}
+
+static void gauge_interrupt(enum gpio_signal signal)
+{
+	task_wake(TASK_ID_CHARGER);
+}
+
+#include "gpio_list.h"
+
+/******************************************************************************/
+/* ADC channels. Must be in the exactly same order as in enum adc_channel. */
+const struct adc_t adc_channels[] = {
+	[ADC_BOARD_ID] = {"BOARD_ID", 3300, 4096, 0, STM32_AIN(10)},
+	[ADC_EC_SKU_ID] = {"EC_SKU_ID", 3300, 4096, 0, STM32_AIN(8)},
+	[ADC_BATT_ID] = {"BATT_ID", 3300, 4096, 0, STM32_AIN(7)},
+	[ADC_POGO_ADC_INT_L] = {"POGO_ADC_INT_L", 3300, 4096, 0, STM32_AIN(6)},
+};
+BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT);
+
+/******************************************************************************/
+/* I2C ports */
+const struct i2c_port_t i2c_ports[] = {
+	{"typec", 0, 400, GPIO_I2C1_SCL, GPIO_I2C1_SDA},
+	{"other", 1, 400, GPIO_I2C2_SCL, GPIO_I2C2_SDA},
+};
+const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
+
+/* power signal list.  Must match order of enum power_signal. */
+const struct power_signal_info power_signal_list[] = {
+	{GPIO_AP_IN_SLEEP_L,   POWER_SIGNAL_ACTIVE_LOW,  "AP_IN_S3_L"},
+	{GPIO_PMIC_EC_RESETB,  POWER_SIGNAL_ACTIVE_HIGH, "PMIC_PWR_GOOD"},
+};
+BUILD_ASSERT(ARRAY_SIZE(power_signal_list) == POWER_SIGNAL_COUNT);
+
+/******************************************************************************/
+/* SPI devices */
+const struct spi_device_t spi_devices[] = {
+};
+const unsigned int spi_devices_used = ARRAY_SIZE(spi_devices);
+
+/******************************************************************************/
+const struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_MAX_COUNT] = {
+	{
+		.bus_type = EC_BUS_TYPE_I2C,
+		.i2c_info = {
+			.port = I2C_PORT_TCPC0,
+			.addr_flags = MT6370_TCPC_I2C_ADDR_FLAGS,
+		},
+		.drv = &mt6370_tcpm_drv,
+	},
+};
+
+struct mt6370_thermal_bound thermal_bound = {
+	.target = 80,
+	.err = 4,
+};
+
+static void board_hpd_update(int port, int hpd_lvl, int hpd_irq)
+{
+	/*
+	 * svdm_dp_attention() did most of the work, we only need to notify
+	 * host here.
+	 */
+	host_set_single_event(EC_HOST_EVENT_USB_MUX);
+}
+
+__override const struct rt946x_init_setting *board_rt946x_init_setting(void)
+{
+	static const struct rt946x_init_setting battery_init_setting = {
+		.eoc_current = 140,
+		.mivr = 4000,
+		.ircmp_vclamp = 32,
+		.ircmp_res = 25,
+		.boost_voltage = 5050,
+		.boost_current = 1500,
+	};
+
+	return &battery_init_setting;
+}
+
+struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_MAX_COUNT] = {
+	{
+		.port_addr = IT5205_I2C_ADDR1_FLAGS,
+		.driver = &it5205_usb_mux_driver,
+		.hpd_update = &board_hpd_update,
+	},
+};
+
+uint16_t tcpc_get_alert_status(void)
+{
+	uint16_t status = 0;
+
+	if (!gpio_get_level(GPIO_USB_C0_PD_INT_ODL))
+		status |= PD_STATUS_TCPC_ALERT_0;
+
+	return status;
+}
+
+static int force_discharge;
+
+int board_set_active_charge_port(int charge_port)
+{
+	CPRINTS("New chg p%d", charge_port);
+
+	/* ignore all request when discharge mode is on */
+	if (force_discharge && charge_port != CHARGE_PORT_NONE)
+		return EC_SUCCESS;
+
+	switch (charge_port) {
+	case CHARGE_PORT_USB_C:
+		/* Don't charge from a source port */
+		if (board_vbus_source_enabled(charge_port))
+			return -1;
+		gpio_set_level(GPIO_EN_POGO_CHARGE_L, 1);
+		gpio_set_level(GPIO_EN_USBC_CHARGE_L, 0);
+		break;
+#if CONFIG_DEDICATED_CHARGE_PORT_COUNT > 0
+	case CHARGE_PORT_POGO:
+		gpio_set_level(GPIO_EN_USBC_CHARGE_L, 1);
+		gpio_set_level(GPIO_EN_POGO_CHARGE_L, 0);
+		break;
+#endif
+	case CHARGE_PORT_NONE:
+		/*
+		 * To ensure the fuel gauge (max17055) is always powered
+		 * even when battery is disconnected, keep VBAT rail on but
+		 * set the charging current to minimum.
+		 */
+		gpio_set_level(GPIO_EN_POGO_CHARGE_L, 1);
+		gpio_set_level(GPIO_EN_USBC_CHARGE_L, 1);
+		charger_set_current(0);
+		break;
+	default:
+		panic("Invalid charge port\n");
+		break;
+	}
+
+	return EC_SUCCESS;
+}
+
+int board_discharge_on_ac(int enable)
+{
+	int ret, port;
+
+	if (enable) {
+		port = CHARGE_PORT_NONE;
+	} else {
+		/* restore the charge port state */
+		port = charge_manager_get_override();
+		if (port == OVERRIDE_OFF)
+			port = charge_manager_get_active_charge_port();
+	}
+
+	ret = charger_discharge_on_ac(enable);
+	if (ret)
+		return ret;
+
+	if (force_discharge && !enable)
+		rt946x_toggle_bc12_detection();
+
+	force_discharge = enable;
+	return board_set_active_charge_port(port);
+}
+
+int extpower_is_present(void)
+{
+	/*
+	 * The charger will indicate VBUS presence if we're sourcing 5V,
+	 * so exclude such ports.
+	 */
+	int usb_c_extpower_present;
+
+	if (board_vbus_source_enabled(CHARGE_PORT_USB_C))
+		usb_c_extpower_present = 0;
+	else
+		usb_c_extpower_present = tcpm_get_vbus_level(CHARGE_PORT_USB_C);
+
+	return usb_c_extpower_present;
+}
+
+int pd_snk_is_vbus_provided(int port)
+{
+	if (port)
+		panic("Invalid charge port\n");
+
+	return rt946x_is_vbus_ready();
+}
+
+static void board_init(void)
+{
+	/* If the reset cause is external, pulse PMIC force reset. */
+	if (system_get_reset_flags() == EC_RESET_FLAG_RESET_PIN) {
+		gpio_set_level(GPIO_PMIC_FORCE_RESET_ODL, 0);
+		msleep(100);
+		gpio_set_level(GPIO_PMIC_FORCE_RESET_ODL, 1);
+	}
+
+	/* Enable TCPC alert interrupts */
+	gpio_enable_interrupt(GPIO_USB_C0_PD_INT_ODL);
+
+	/* Enable charger interrupts */
+	gpio_enable_interrupt(GPIO_CHARGER_INT_ODL);
+
+#ifdef SECTION_IS_RW
+	/* Enable interrupts from LSM6DS3TR sensor. */
+	gpio_enable_interrupt(GPIO_ACCEL_INT_ODL);
+
+	/* Enable interrupt for the camera vsync. */
+	gpio_enable_interrupt(GPIO_SYNC_INT);
+#endif /* SECTION_IS_RW */
+
+	/* Enable interrupt from PMIC. */
+	gpio_enable_interrupt(GPIO_PMIC_EC_RESETB);
+
+	/* Enable gauge interrupt from max17055 */
+	gpio_enable_interrupt(GPIO_GAUGE_INT_ODL);
+
+	/*
+	 * Fix backlight led maximum current:
+	 * tolerance 120mA * 0.75 = 90mA.
+	 * (b/133655155)
+	 */
+	mt6370_backlight_set_dim(MT6370_BLDIM_DEFAULT * 3 / 4);
+}
+DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT);
+
+static void board_rev_init(void)
+{
+	/* Board revision specific configs. */
+
+	/*
+	 * It's a P1 pin BOOTBLOCK_MUX_OE, also a P2 pin BC12_DET_EN.
+	 * Keep this pin defaults to P1 setting since that eMMC enabled with
+	 * High-Z stat.
+	 */
+
+	/* TODO */
+	/* Put initial code here for different EC board reversion */
+
+	/* Display bias settings. */
+	mt6370_db_set_voltages(6000, 5800, 5800);
+
+	/*
+	 * Enable MT6370 DB_POSVOUT/DB_NEGVOUT (controlled by _EN pins).
+	 */
+	mt6370_db_external_control(1);
+
+}
+DECLARE_HOOK(HOOK_INIT, board_rev_init, HOOK_PRIO_INIT_ADC + 1);
+
+void sensor_board_proc_double_tap(void)
+{
+	CPRINTS("Detect double tap");
+}
+
+/* Motion sensors */
+/* Mutexes */
+#ifndef VARIANT_KUKUI_NO_SENSORS
+static struct mutex g_lid_mutex;
+
+static struct lsm6dsm_data lsm6dsm_data = LSM6DSM_DATA;
+
+/* TCS3400 private data */
+static struct als_drv_data_t g_tcs3400_data = {
+	.als_cal.scale = 1,
+	.als_cal.uscale = 0,
+	.als_cal.offset = 0,
+	.als_cal.channel_scale = {
+		.k_channel_scale = ALS_CHANNEL_SCALE(1.0), /* kc */
+		.cover_scale = ALS_CHANNEL_SCALE(1.0),     /* CT */
+	},
+};
+
+static struct tcs3400_rgb_drv_data_t g_tcs3400_rgb_data = {
+	/*
+	 * TODO(b:139366662): calculates the actual coefficients and scaling
+	 * factors
+	 */
+	.calibration.rgb_cal[X] = {
+		.offset = 0,
+		.scale = {
+			.k_channel_scale = ALS_CHANNEL_SCALE(1.0), /* kr */
+			.cover_scale = ALS_CHANNEL_SCALE(1.0)
+		},
+		.coeff[TCS_RED_COEFF_IDX] = FLOAT_TO_FP(0),
+		.coeff[TCS_GREEN_COEFF_IDX] = FLOAT_TO_FP(0),
+		.coeff[TCS_BLUE_COEFF_IDX] = FLOAT_TO_FP(0),
+		.coeff[TCS_CLEAR_COEFF_IDX] = FLOAT_TO_FP(0),
+	},
+	.calibration.rgb_cal[Y] = {
+		.offset = 0,
+		.scale = {
+			.k_channel_scale = ALS_CHANNEL_SCALE(1.0), /* kg */
+			.cover_scale = ALS_CHANNEL_SCALE(1.0)
+		},
+		.coeff[TCS_RED_COEFF_IDX] = FLOAT_TO_FP(0),
+		.coeff[TCS_GREEN_COEFF_IDX] = FLOAT_TO_FP(0),
+		.coeff[TCS_BLUE_COEFF_IDX] = FLOAT_TO_FP(0),
+		.coeff[TCS_CLEAR_COEFF_IDX] = FLOAT_TO_FP(0.1),
+	},
+	.calibration.rgb_cal[Z] = {
+		.offset = 0,
+		.scale = {
+			.k_channel_scale = ALS_CHANNEL_SCALE(1.0), /* kb */
+			.cover_scale = ALS_CHANNEL_SCALE(1.0)
+		},
+		.coeff[TCS_RED_COEFF_IDX] = FLOAT_TO_FP(0),
+		.coeff[TCS_GREEN_COEFF_IDX] = FLOAT_TO_FP(0),
+		.coeff[TCS_BLUE_COEFF_IDX] = FLOAT_TO_FP(0),
+		.coeff[TCS_CLEAR_COEFF_IDX] = FLOAT_TO_FP(0),
+	},
+	.calibration.irt = INT_TO_FP(1),
+	.saturation.again = TCS_DEFAULT_AGAIN,
+	.saturation.atime = TCS_DEFAULT_ATIME,
+};
+
+/* Matrix to rotate accelerometer into standard reference frame */
+static const mat33_fp_t lid_standard_ref = {
+	{FLOAT_TO_FP(-1), 0, 0},
+	{0, FLOAT_TO_FP(-1), 0},
+	{0, 0, FLOAT_TO_FP(1)}
+};
+
+struct motion_sensor_t motion_sensors[] = {
+	/*
+	 * Note: bmi160: supports accelerometer and gyro sensor
+	 * Requirement: accelerometer sensor must init before gyro sensor
+	 * DO NOT change the order of the following table.
+	 */
+	[LID_ACCEL] = {
+		.name = "Accel",
+		.active_mask = SENSOR_ACTIVE_S0_S3,
+		.chip = MOTIONSENSE_CHIP_LSM6DSM,
+		.type = MOTIONSENSE_TYPE_ACCEL,
+		.location = MOTIONSENSE_LOC_LID,
+		.drv = &lsm6dsm_drv,
+		.mutex = &g_lid_mutex,
+		.drv_data = LSM6DSM_ST_DATA(lsm6dsm_data,
+					    MOTIONSENSE_TYPE_ACCEL),
+		.int_signal = GPIO_ACCEL_INT_ODL,
+		.flags = MOTIONSENSE_FLAG_INT_SIGNAL,
+		.port = I2C_PORT_ACCEL,
+		.i2c_spi_addr_flags = LSM6DSM_ADDR0_FLAGS,
+		.rot_standard_ref = &lid_standard_ref,
+		.default_range = 4,  /* g, to meet CDD 7.3.1/C-1-4 reqs */
+		.min_frequency = LSM6DSM_ODR_MIN_VAL,
+		.max_frequency = LSM6DSM_ODR_MAX_VAL,
+		.config = {
+			/* Enable accel in S0 */
+			[SENSOR_CONFIG_EC_S0] = {
+				.odr = TAP_ODR,
+				.ec_rate = 100 * MSEC,
+			},
+			/* For double tap detection */
+			[SENSOR_CONFIG_EC_S3] = {
+				.odr = TAP_ODR,
+				.ec_rate = 100 * MSEC,
+			},
+		},
+	},
+	[LID_GYRO] = {
+		.name = "Gyro",
+		.active_mask = SENSOR_ACTIVE_S0_S3,
+		.chip = MOTIONSENSE_CHIP_LSM6DSM,
+		.type = MOTIONSENSE_TYPE_GYRO,
+		.location = MOTIONSENSE_LOC_LID,
+		.drv = &lsm6dsm_drv,
+		.mutex = &g_lid_mutex,
+		.drv_data = LSM6DSM_ST_DATA(lsm6dsm_data,
+					    MOTIONSENSE_TYPE_GYRO),
+		.port = I2C_PORT_ACCEL,
+		.i2c_spi_addr_flags = LSM6DSM_ADDR0_FLAGS,
+		.default_range = 1000, /* dps */
+		.rot_standard_ref = &lid_standard_ref,
+		.min_frequency = LSM6DSM_ODR_MIN_VAL,
+		.max_frequency = LSM6DSM_ODR_MAX_VAL,
+	},
+	[CLEAR_ALS] = {
+		.name = "Clear Light",
+		.active_mask = SENSOR_ACTIVE_S0_S3,
+		.chip = MOTIONSENSE_CHIP_TCS3400,
+		.type = MOTIONSENSE_TYPE_LIGHT,
+		.location = MOTIONSENSE_LOC_LID,
+		.drv = &tcs3400_drv,
+		.drv_data = &g_tcs3400_data,
+		.port = I2C_PORT_ALS,
+		.i2c_spi_addr_flags = TCS3400_I2C_ADDR_FLAGS,
+		.rot_standard_ref = NULL,
+		.default_range = 0x10000, /* scale = 1x, uscale = 0 */
+		.min_frequency = TCS3400_LIGHT_MIN_FREQ,
+		.max_frequency = TCS3400_LIGHT_MAX_FREQ,
+		.config = {
+			/* Run ALS sensor in S0 */
+			[SENSOR_CONFIG_EC_S0] = {
+				.odr = 1000,
+			},
+		},
+	},
+	[RGB_ALS] = {
+		.name = "RGB Light",
+		.active_mask = SENSOR_ACTIVE_S0_S3,
+		.chip = MOTIONSENSE_CHIP_TCS3400,
+		.type = MOTIONSENSE_TYPE_LIGHT_RGB,
+		.location = MOTIONSENSE_LOC_LID,
+		.drv = &tcs3400_rgb_drv,
+		.drv_data = &g_tcs3400_rgb_data,
+		/* Unused. RGB channels read by CLEAR_ALS. */
+		/*.port = I2C_PORT_ALS,*/
+		.rot_standard_ref = NULL,
+		.default_range = 0x10000, /* scale = 1x, uscale = 0 */
+		/* 0 indicates we should not use sensor directly */
+		.min_frequency = 0,
+		/* 0 indicates we should not use sensor directly */
+		.max_frequency = 0,
+	},
+	[VSYNC] = {
+		.name = "Camera vsync",
+		.active_mask = SENSOR_ACTIVE_S0,
+		.chip = MOTIONSENSE_CHIP_GPIO,
+		.type = MOTIONSENSE_TYPE_SYNC,
+		.location = MOTIONSENSE_LOC_CAMERA,
+		.drv = &sync_drv,
+		.default_range = 0,
+		.min_frequency = 0,
+		.max_frequency = 1,
+	},
+};
+const unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors);
+const struct motion_sensor_t *motion_als_sensors[] = {
+	&motion_sensors[CLEAR_ALS],
+};
+#endif /* VARIANT_KUKUI_NO_SENSORS */
+
+void usb_charger_set_switches(int port, enum usb_switch setting)
+{
+}
+
+/*
+ * Return if VBUS is sagging too low
+ */
+int board_is_vbus_too_low(int port, enum chg_ramp_vbus_state ramp_state)
+{
+	int voltage;
+	/*
+	 * Though we have a more tolerant range (3.9V~13.4V), setting 4400 to
+	 * prevent from a bad charger crashed.
+	 *
+	 * TODO(b:131284131): mt6370 VBUS reading is not accurate currently.
+	 * Vendor will provide a workaround solution to fix the gap between ADC
+	 * reading and actual voltage.  After the workaround applied, we could
+	 * try to raise this value to 4600.  (when it says it read 4400, it is
+	 * actually close to 4600)
+	 */
+	if (charger_get_vbus_voltage(port, &voltage))
+		voltage = 0;
+
+	return voltage < 4400;
+}
+
+__override int board_charge_port_is_sink(int port)
+{
+	/* TODO(b:128386458): Check POGO_ADC_INT_L */
+	return 1;
+}
+
+__override int board_charge_port_is_connected(int port)
+{
+	return gpio_get_level(GPIO_POGO_VBUS_PRESENT);
+}
+
+__override
+void board_fill_source_power_info(int port,
+				  struct ec_response_usb_pd_power_info *r)
+{
+	r->meas.voltage_now = 3300;
+	r->meas.voltage_max = 3300;
+	r->meas.current_max = 1500;
+	r->meas.current_lim = 1500;
+	r->max_power = r->meas.voltage_now * r->meas.current_max;
+}
+
+__override int board_has_virtual_mux(void)
+{
+	return board_get_version() < 5;
+}
diff --git a/board/kakadu/board.h b/board/kakadu/board.h
new file mode 100644
index 0000000000..06df378db4
--- /dev/null
+++ b/board/kakadu/board.h
@@ -0,0 +1,139 @@
+/* Copyright 2020 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+/* Configuration for kakadu */
+
+#ifndef __CROS_EC_BOARD_H
+#define __CROS_EC_BOARD_H
+
+#define VARIANT_KUKUI_BATTERY_MAX17055
+#define VARIANT_KUKUI_CHARGER_MT6370
+#define VARIANT_KUKUI_POGO_KEYBOARD
+#define VARIANT_KUKUI_TABLET_PWRBTN
+
+#ifndef SECTION_IS_RW
+#define VARIANT_KUKUI_NO_SENSORS
+#endif /* SECTION_IS_RW */
+
+#include "baseboard.h"
+
+#define CONFIG_USB_MUX_IT5205
+#define CONFIG_USB_MUX_VIRTUAL
+#define CONFIG_VOLUME_BUTTONS
+
+/* Battery */
+#define BATTERY_DESIRED_CHARGING_CURRENT    2000  /* mA */
+
+#define CONFIG_CHARGER_MT6370_BACKLIGHT
+
+/* Motion Sensors */
+#ifdef SECTION_IS_RW
+#define CONFIG_ACCELGYRO_LSM6DSM
+#define CONFIG_ACCEL_INTERRUPTS
+#define CONFIG_ACCEL_LSM6DSM_INT_EVENT \
+	TASK_EVENT_MOTION_SENSOR_INTERRUPT(LID_ACCEL)
+
+#define CONFIG_ALS
+#define ALS_COUNT 1
+#define CONFIG_ALS_TCS3400
+#define CONFIG_ALS_TCS3400_INT_EVENT \
+	TASK_EVENT_MOTION_SENSOR_INTERRUPT(CLEAR_ALS)
+#define CONFIG_ALS_TCS3400_EMULATED_IRQ_EVENT
+#define CONFIG_ACCEL_FORCE_MODE_MASK BIT(CLEAR_ALS)
+
+/* Camera VSYNC */
+#define CONFIG_SYNC
+#define CONFIG_SYNC_COMMAND
+#define CONFIG_SYNC_INT_EVENT \
+	TASK_EVENT_MOTION_SENSOR_INTERRUPT(VSYNC)
+#endif /* SECTION_IS_RW */
+
+/* I2C ports */
+#define I2C_PORT_CHARGER  0
+#define I2C_PORT_TCPC0    0
+#define I2C_PORT_USB_MUX  0
+#define I2C_PORT_BATTERY  1
+#define I2C_PORT_VIRTUAL_BATTERY I2C_PORT_BATTERY
+#define I2C_PORT_ACCEL    1
+#define I2C_PORT_BC12     1
+#define I2C_PORT_ALS      1
+
+/* Route sbs host requests to virtual battery driver */
+#define VIRTUAL_BATTERY_ADDR_FLAGS 0x0B
+
+/* Define the host events which are allowed to wakeup AP in S3. */
+#define CONFIG_MKBP_HOST_EVENT_WAKEUP_MASK \
+		(EC_HOST_EVENT_MASK(EC_HOST_EVENT_LID_OPEN) |\
+		 EC_HOST_EVENT_MASK(EC_HOST_EVENT_POWER_BUTTON))
+
+/* MKBP */
+#define CONFIG_MKBP_EVENT
+#define CONFIG_MKBP_EVENT_WAKEUP_MASK \
+	(BIT(EC_MKBP_EVENT_SENSOR_FIFO) | BIT(EC_MKBP_EVENT_HOST_EVENT))
+
+#define PD_OPERATING_POWER_MW 15000
+
+#ifndef __ASSEMBLER__
+
+enum adc_channel {
+	/* Real ADC channels begin here */
+	ADC_BOARD_ID = 0,
+	ADC_EC_SKU_ID,
+	ADC_BATT_ID,
+	ADC_POGO_ADC_INT_L,
+	ADC_CH_COUNT
+};
+
+/* power signal definitions */
+enum power_signal {
+	AP_IN_S3_L,
+	PMIC_PWR_GOOD,
+
+	/* Number of signals */
+	POWER_SIGNAL_COUNT,
+};
+
+/* Motion sensors */
+enum sensor_id {
+	LID_ACCEL = 0,
+	LID_GYRO,
+	CLEAR_ALS,
+	RGB_ALS,
+	VSYNC,
+	SENSOR_COUNT,
+};
+
+enum charge_port {
+	CHARGE_PORT_USB_C,
+};
+
+#include "gpio_signal.h"
+#include "registers.h"
+
+#ifdef SECTION_IS_RO
+/* Interrupt handler for emmc task */
+void emmc_cmd_interrupt(enum gpio_signal signal);
+#endif
+
+void board_reset_pd_mcu(void);
+int board_get_version(void);
+int board_is_sourcing_vbus(int port);
+void pogo_adc_interrupt(enum gpio_signal signal);
+int board_discharge_on_ac(int enable);
+
+/* Enable double tap detection */
+#define CONFIG_GESTURE_DETECTION
+#define CONFIG_GESTURE_HOST_DETECTION
+#define CONFIG_GESTURE_SENSOR_DOUBLE_TAP 0
+#define CONFIG_GESTURE_SENSOR_DOUBLE_TAP_FOR_HOST
+#define CONFIG_GESTURE_SAMPLING_INTERVAL_MS 5
+#define CONFIG_GESTURE_TAP_THRES_MG 100
+#define CONFIG_GESTURE_TAP_MAX_INTERSTICE_T 500
+#define CONFIG_GESTURE_DETECTION_MASK \
+	BIT(CONFIG_GESTURE_SENSOR_DOUBLE_TAP)
+
+#endif /* !__ASSEMBLER__ */
+
+#endif /* __CROS_EC_BOARD_H */
diff --git a/board/kakadu/build.mk b/board/kakadu/build.mk
new file mode 100644
index 0000000000..7a3953b8bb
--- /dev/null
+++ b/board/kakadu/build.mk
@@ -0,0 +1,15 @@
+# -*- makefile -*-
+# Copyright 2020 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+#
+# Board specific files build
+#
+#
+# STmicro STM32F098VC
+CHIP:=stm32
+CHIP_FAMILY:=stm32f0
+CHIP_VARIANT:=stm32f09x
+BASEBOARD:=kukui
+
+board-y=board.o led.o
diff --git a/board/kakadu/ec.tasklist b/board/kakadu/ec.tasklist
new file mode 100644
index 0000000000..63988ba924
--- /dev/null
+++ b/board/kakadu/ec.tasklist
@@ -0,0 +1,21 @@
+/* Copyright 2020 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+/**
+ * See CONFIG_TASK_LIST in config.h for details.
+ */
+#define CONFIG_TASK_LIST \
+	TASK_ALWAYS(HOOKS, hook_task, NULL, VENTI_TASK_STACK_SIZE) \
+	TASK_ALWAYS(CHARGER, charger_task, NULL, VENTI_TASK_STACK_SIZE) \
+	TASK_ALWAYS(USB_CHG, usb_charger_task, NULL, VENTI_TASK_STACK_SIZE) \
+	TASK_NOTEST(CHIPSET, chipset_task, NULL, LARGER_TASK_STACK_SIZE) \
+	TASK_ALWAYS_RW(MOTIONSENSE, motion_sense_task, NULL, VENTI_TASK_STACK_SIZE) \
+	TASK_NOTEST(PDCMD, pd_command_task, NULL, 1024) \
+	TASK_ALWAYS(HOSTCMD, host_command_task, NULL, 1024) \
+	TASK_ALWAYS(CONSOLE, console_task, NULL, LARGER_TASK_STACK_SIZE) \
+	TASK_ALWAYS(PD_C0, pd_task, NULL, 1280) \
+	TASK_ALWAYS(PD_INT_C0, pd_interrupt_handler_task, 0, 1024) \
+	TASK_ALWAYS_RO(EMMC, emmc_task, NULL, LARGER_TASK_STACK_SIZE)
+
diff --git a/board/kakadu/gpio.inc b/board/kakadu/gpio.inc
new file mode 100644
index 0000000000..6388ca796d
--- /dev/null
+++ b/board/kakadu/gpio.inc
@@ -0,0 +1,105 @@
+/* -*- mode:c -*-
+ *
+ * Copyright 2020 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+/*
+ * Declare symbolic names for all the GPIOs that we care about.
+ * Note: Those with interrupt handlers must be declared first.
+ */
+
+/* Interrupts */
+GPIO_INT(USB_C0_PD_INT_ODL, PIN(B, 1), GPIO_INT_FALLING | GPIO_PULL_UP,
+         tcpc_alert_event)
+GPIO_INT(VOLUME_UP_L,       PIN(B, 10), GPIO_INT_BOTH | GPIO_PULL_UP,
+         button_interrupt) /* EC_VOLUP_BTN_ODL */
+GPIO_INT(VOLUME_DOWN_L,     PIN(B, 11), GPIO_INT_BOTH | GPIO_PULL_UP,
+         button_interrupt) /* EC_VOLDN_BTN_ODL */
+GPIO_INT(POWER_BUTTON_L,    PIN(A, 0),  GPIO_INT_BOTH | GPIO_PULL_UP,
+         power_button_interrupt) /* EC_PWR_BTN_ODL */
+
+GPIO_INT(AP_IN_SLEEP_L,     PIN(C, 12), GPIO_INT_BOTH | GPIO_PULL_DOWN,
+         power_signal_interrupt)
+GPIO_INT(PMIC_EC_RESETB,    PIN(B, 7),  GPIO_INT_BOTH | GPIO_PULL_DOWN,
+         power_signal_interrupt)
+GPIO_INT(WARM_RESET_REQ,    PIN(A, 3),  GPIO_INT_RISING | GPIO_PULL_DOWN,
+         chipset_reset_request_interrupt)
+GPIO_INT(AP_EC_WATCHDOG_L,  PIN(C, 2),  GPIO_INT_FALLING,
+         chipset_watchdog_interrupt)
+
+GPIO_INT_RW(ACCEL_INT_ODL,  PIN(A, 4), GPIO_INT_FALLING | GPIO_SEL_1P8V | GPIO_PULL_UP,
+         lsm6dsm_interrupt)
+GPIO_INT(CHARGER_INT_ODL,   PIN(C, 13), GPIO_INT_FALLING | GPIO_PULL_UP,
+         rt946x_interrupt)
+GPIO_INT_RO(EMMC_CMD,       PIN(B, 15), GPIO_INT_FALLING,
+         emmc_cmd_interrupt)
+GPIO_INT(SPI1_NSS,          PIN(A, 15), GPIO_INT_BOTH,
+         spi_event)
+GPIO_INT_RW(SYNC_INT,       PIN(A, 8),  GPIO_INT_RISING | GPIO_PULL_DOWN,
+         sync_interrupt)
+GPIO_INT(HALL_INT_L,        PIN(C, 5),  GPIO_INT_BOTH,
+         lid_interrupt)
+GPIO_INT(GAUGE_INT_ODL,     PIN(C, 9),  GPIO_INT_FALLING | GPIO_PULL_UP,
+         gauge_interrupt)
+GPIO_INT(POGO_ADC_INT_L,    PIN(A, 6),  GPIO_INT_BOTH,
+         pogo_adc_interrupt)
+
+/* unused */
+GPIO(POGO_VBUS_PRESENT, PIN(A, 14), GPIO_INPUT)
+/* unused after board rev 5 */
+GPIO(USB_C0_DP_POLARITY,   PIN(C, 14), GPIO_INPUT)
+
+/* Reset pins */
+GPIO(AP_SYS_RST_L,         PIN(C, 11), GPIO_OUT_LOW)
+GPIO(PMIC_WATCHDOG_L,      PIN(C, 3),  GPIO_OUT_LOW)
+GPIO(PMIC_EN_ODL,          PIN(C, 10), GPIO_ODR_HIGH)
+GPIO(PMIC_FORCE_RESET_ODL, PIN(A, 2),  GPIO_ODR_HIGH)
+GPIO(MT6370_RST_L,         PIN(F, 0),  GPIO_OUT_LOW)
+
+/*
+ * I2C pins should be configured as inputs until I2C module is
+ * initialized. This will avoid driving the lines unintentionally.
+ */
+GPIO(I2C1_SCL,             PIN(B, 8),  GPIO_INPUT)
+GPIO(I2C1_SDA,             PIN(B, 9),  GPIO_INPUT)
+GPIO(I2C2_SCL,             PIN(A, 11), GPIO_INPUT)
+GPIO(I2C2_SDA,             PIN(A, 12), GPIO_INPUT)
+
+/* Analog pins */
+GPIO(BATT_ID,              PIN(A, 7),  GPIO_ANALOG)
+GPIO(BOARD_ID,             PIN(C, 0),  GPIO_ANALOG)
+GPIO(EC_SKU_ID,            PIN(B, 0),  GPIO_ANALOG)
+
+/* Other input pins */
+GPIO(WP_L,                 PIN(C, 8),  GPIO_INPUT) /* EC_FLASH_WP_ODL */
+GPIO(BOOT0,                PIN(F, 11), GPIO_INPUT)
+GPIO(CCD_MODE_ODL,         PIN(A, 1),  GPIO_INPUT)
+
+/* Other output pins */
+GPIO(ENTERING_RW,          PIN(C, 6),  GPIO_ODR_HIGH) /* EC_ENTERING_RW_ODL */
+GPIO(EC_INT_L,             PIN(B, 12), GPIO_ODR_HIGH) /* EC_AP_INT_ODL */
+GPIO(EC_BOARD_ID_EN_L,     PIN(C, 15), GPIO_ODR_HIGH) /* EC_BOARD_ID_EN_ODL */
+GPIO(USB_C0_HPD_OD,        PIN(F, 1),  GPIO_ODR_LOW)
+GPIO(BOOTBLOCK_EN_L,       PIN(C, 1),  GPIO_ODR_HIGH)
+GPIO(EN_PP3300_POGO,     PIN(A, 13), GPIO_OUT_LOW)
+GPIO(EN_POGO_CHARGE_L,   PIN(B, 6),  GPIO_OUT_HIGH)
+GPIO(EN_USBC_CHARGE_L,   PIN(C, 7),  GPIO_OUT_LOW)
+GPIO(EN_PP5000_USBC,     PIN(D, 2),  GPIO_OUT_LOW)
+GPIO(BC12_DET_EN,        PIN(C, 4),  GPIO_OUT_LOW)
+
+/* USART1: PA9/PA10 */
+ALTERNATE(PIN_MASK(A, 0x0600), 1, MODULE_UART,       0)
+/* I2C MASTER: PB8/9 */
+ALTERNATE(PIN_MASK(B, 0x0300), 1, MODULE_I2C,        GPIO_ODR_HIGH )
+/* I2C MASTER: PA11/12 */
+ALTERNATE(PIN_MASK(A, 0x1800), 5, MODULE_I2C,        GPIO_ODR_HIGH )
+/* SPI SLAVE: PB3/4/5 */
+ALTERNATE(PIN_MASK(B, 0x0038), 0, MODULE_SPI,        0)
+#ifdef SECTION_IS_RO
+/* SPI SLAVE: PB13/14/15 */
+ALTERNATE(PIN_MASK(B, 0xE000), 0, MODULE_SPI_FLASH,        0)
+#endif
+/* SPI SLAVE CS: PA15 */
+ALTERNATE(PIN_MASK(A, 0x8000), 0, MODULE_SPI,        0)
diff --git a/board/kakadu/led.c b/board/kakadu/led.c
new file mode 100644
index 0000000000..0a32ddda90
--- /dev/null
+++ b/board/kakadu/led.c
@@ -0,0 +1,164 @@
+/* Copyright 2020 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ *
+ * Battery LED control for kakadu board.
+ */
+
+#include "battery.h"
+#include "charge_state.h"
+#include "driver/charger/rt946x.h"
+#include "hooks.h"
+#include "led_common.h"
+
+const enum ec_led_id supported_led_ids[] = { EC_LED_ID_BATTERY_LED };
+
+const int supported_led_ids_count = ARRAY_SIZE(supported_led_ids);
+
+static enum charge_state prv_chstate = PWR_STATE_INIT;
+
+#define LED_OFF		MT6370_LED_ID_OFF
+#define LED_RED		MT6370_LED_ID1
+#define LED_GREEN	MT6370_LED_ID2
+#define LED_BLUE	MT6370_LED_ID3
+
+#define LED_MASK_OFF	0
+#define LED_MASK_RED	MT6370_MASK_RGB_ISNK1DIM_EN
+#define LED_MASK_GREEN	MT6370_MASK_RGB_ISNK2DIM_EN
+#define LED_MASK_BLUE	MT6370_MASK_RGB_ISNK3DIM_EN
+
+static void kakadu_led_set_battery(void)
+{
+	enum charge_state chstate;
+	static uint8_t prv_r, prv_g, prv_b;
+	uint8_t br[EC_LED_COLOR_COUNT] = { 0 };
+
+	chstate = charge_get_state();
+
+	if (prv_chstate == chstate &&
+		chstate != PWR_STATE_DISCHARGE)
+		return;
+
+	prv_chstate = chstate;
+
+	switch (chstate) {
+	case PWR_STATE_CHARGE:
+		/* RGB(current, duty) = (4mA,1/32)*/
+		br[EC_LED_COLOR_BLUE] = 1;
+		break;
+	case PWR_STATE_DISCHARGE:
+		/* display SoC 10% = real battery SoC 13%*/
+		if (charge_get_percent() <= 13)
+			br[EC_LED_COLOR_RED] = 1;
+		break;
+	case PWR_STATE_CHARGE_NEAR_FULL:
+		br[EC_LED_COLOR_GREEN] = 1;
+		break;
+	case PWR_STATE_ERROR:
+		br[EC_LED_COLOR_RED] = 1;
+		break;
+	default:
+		/* Other states don't alter LED behavior */
+		return;
+	}
+
+	if (prv_r == br[EC_LED_COLOR_RED] &&
+	    prv_g == br[EC_LED_COLOR_GREEN] &&
+	    prv_b == br[EC_LED_COLOR_BLUE])
+		return;
+
+	prv_r = br[EC_LED_COLOR_RED];
+	prv_g = br[EC_LED_COLOR_GREEN];
+	prv_b = br[EC_LED_COLOR_BLUE];
+	led_set_brightness(EC_LED_ID_BATTERY_LED, br);
+}
+
+void led_get_brightness_range(enum ec_led_id led_id, uint8_t *brightness_range)
+{
+	if (led_id != EC_LED_ID_BATTERY_LED)
+		return;
+
+	brightness_range[EC_LED_COLOR_RED] = MT6370_LED_BRIGHTNESS_MAX;
+	brightness_range[EC_LED_COLOR_GREEN] = MT6370_LED_BRIGHTNESS_MAX;
+	brightness_range[EC_LED_COLOR_BLUE] = MT6370_LED_BRIGHTNESS_MAX;
+}
+
+int led_set_brightness(enum ec_led_id led_id, const uint8_t *brightness)
+{
+	uint8_t red, green, blue;
+
+	if (led_id != EC_LED_ID_BATTERY_LED)
+		return EC_ERROR_INVAL;
+
+	red = brightness[EC_LED_COLOR_RED];
+	green = brightness[EC_LED_COLOR_GREEN];
+	blue = brightness[EC_LED_COLOR_BLUE];
+
+	mt6370_led_set_brightness(LED_RED, red);
+	mt6370_led_set_brightness(LED_GREEN, green);
+	mt6370_led_set_brightness(LED_BLUE, blue);
+
+	/* Enables LED sink power if necessary. */
+	mt6370_led_set_color((red ? LED_MASK_RED : 0) |
+			     (blue ? LED_MASK_BLUE : 0) |
+			     (green ? LED_MASK_GREEN : 0));
+	return EC_SUCCESS;
+}
+
+/*
+ * Reset prv_chstate so that led can be updated immediately once
+ * auto-controlled.
+ */
+static void led_reset_auto_control(void)
+{
+	prv_chstate = PWR_STATE_INIT;
+}
+
+static void kakadu_led_init(void)
+{
+	const enum mt6370_led_dim_mode dim = MT6370_LED_DIM_MODE_PWM;
+	const enum mt6370_led_pwm_freq freq = MT6370_LED_PWM_FREQ1000;
+
+	mt6370_led_set_color(0);
+	mt6370_led_set_dim_mode(LED_RED, dim);
+	mt6370_led_set_dim_mode(LED_GREEN, dim);
+	mt6370_led_set_dim_mode(LED_BLUE, dim);
+	mt6370_led_set_pwm_frequency(LED_RED, freq);
+	mt6370_led_set_pwm_frequency(LED_GREEN, freq);
+	mt6370_led_set_pwm_frequency(LED_BLUE, freq);
+	mt6370_led_set_pwm_dim_duty(LED_RED, 0);
+	mt6370_led_set_pwm_dim_duty(LED_GREEN, 0);
+	mt6370_led_set_pwm_dim_duty(LED_BLUE, 0);
+}
+DECLARE_HOOK(HOOK_INIT, kakadu_led_init, HOOK_PRIO_DEFAULT);
+
+/* Called by hook task every 1 sec */
+static void led_second(void)
+{
+	if (led_auto_control_is_enabled(EC_LED_ID_BATTERY_LED))
+		kakadu_led_set_battery();
+	else
+		led_reset_auto_control();
+}
+DECLARE_HOOK(HOOK_SECOND, led_second, HOOK_PRIO_DEFAULT);
+
+__override void led_control(enum ec_led_id led_id, enum ec_led_state state)
+{
+	uint8_t br[EC_LED_COLOR_COUNT] = { 0 };
+
+	if ((led_id != EC_LED_ID_RECOVERY_HW_REINIT_LED) &&
+	    (led_id != EC_LED_ID_SYSRQ_DEBUG_LED))
+		return;
+
+	if (state == LED_STATE_RESET) {
+		led_reset_auto_control();
+		led_auto_control(EC_LED_ID_BATTERY_LED, 1);
+		return;
+	}
+
+	if (state)
+		br[EC_LED_COLOR_GREEN] = 1;
+
+	led_auto_control(EC_LED_ID_BATTERY_LED, 0);
+	led_set_brightness(EC_LED_ID_BATTERY_LED, br);
+}