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authorBob Moragues <moragues@google.com>2020-09-02 20:00:52 +0000
committerCommit Bot <commit-bot@chromium.org>2020-09-15 23:28:23 +0000
commita872da9e55b44fcaa0f174a63cdee553e2d1a029 (patch)
treebd46a1379d20213856a240c3331778a4ae39f609
parent06d1dbc4bb5337a3782936b7895dd571f7b57732 (diff)
downloadchrome-ec-a872da9e55b44fcaa0f174a63cdee553e2d1a029.tar.gz
strongbad / coachz : Add Initial Support
BUG=b:162409909 BUG=b:164196066 TEST=Verify build of strongbad target BRANCH=none Signed-off-by: Bob Moragues <moragues@chromium.org> Change-Id: I763d3be6852dfdbcf52a3db5b3bfa82fd654d459 Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2396537
-rw-r--r--board/coachz/battery.c126
-rw-r--r--board/coachz/board.c696
-rw-r--r--board/coachz/board.h123
-rw-r--r--board/coachz/build.mk14
-rw-r--r--board/coachz/ec.tasklist23
-rw-r--r--board/coachz/gpio.inc164
-rw-r--r--board/coachz/led.c155
7 files changed, 1301 insertions, 0 deletions
diff --git a/board/coachz/battery.c b/board/coachz/battery.c
new file mode 100644
index 0000000000..642c854406
--- /dev/null
+++ b/board/coachz/battery.c
@@ -0,0 +1,126 @@
+/* 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 pack vendor provided charging profile
+ */
+
+#include "battery_fuel_gauge.h"
+#include "common.h"
+#include "util.h"
+
+/*
+ * Battery info for all coachz battery types. Note that the fields
+ * start_charging_min/max and charging_min/max are not used for the charger.
+ * The effective temperature limits are given by discharging_min/max_c.
+ *
+ * Fuel Gauge (FG) parameters which are used for determining if the battery
+ * is connected, the appropriate ship mode (battery cutoff) command, and the
+ * charge/discharge FETs status.
+ *
+ * Ship mode (battery cutoff) requires 2 writes to the appropriate smart battery
+ * register. For some batteries, the charge/discharge FET bits are set when
+ * charging/discharging is active, in other types, these bits set mean that
+ * charging/discharging is disabled. Therefore, in addition to the mask for
+ * these bits, a disconnect value must be specified. Note that for TI fuel
+ * gauge, the charge/discharge FET status is found in Operation Status (0x54),
+ * but a read of Manufacturer Access (0x00) will return the lower 16 bits of
+ * Operation status which contains the FET status bits.
+ *
+ * The assumption for battery types supported is that the charge/discharge FET
+ * status can be read with a sb_read() command and therefore, only the register
+ * address, mask, and disconnect value need to be provided.
+ */
+
+const struct board_batt_params board_battery_info[] = {
+ /* AP16L5J */
+ [BATTERY_AP16L5J] = {
+ .fuel_gauge = {
+ .manuf_name = "PANASONIC",
+ .device_name = "AP16L5J",
+ .ship_mode = {
+ .reg_addr = 0x3A,
+ .reg_data = { 0xC574, 0xC574 },
+ },
+ .fet = {
+ .mfgacc_support = 0,
+ .reg_addr = 0x0,
+ .reg_mask = 0x4000,
+ .disconnect_val = 0x0,
+ }
+ },
+ .batt_info = {
+ .voltage_max = 8800,
+ .voltage_normal = 7700, /* mV */
+ .voltage_min = 6000, /* mV */
+ .precharge_current = 256, /* mA */
+ .start_charging_min_c = 0,
+ .start_charging_max_c = 50,
+ .charging_min_c = 0,
+ .charging_max_c = 60,
+ .discharging_min_c = -20,
+ .discharging_max_c = 75,
+ },
+ },
+ /* AP16L5J with PN version */
+ [BATTERY_AP16L5J_009] = {
+ .fuel_gauge = {
+ .manuf_name = "PANASONIC KT00205009",
+ .device_name = "AP16L5J",
+ .ship_mode = {
+ .reg_addr = 0x3A,
+ .reg_data = { 0xC574, 0xC574 },
+ },
+ .fet = {
+ .mfgacc_support = 0,
+ .reg_addr = 0x0,
+ .reg_mask = 0x4000,
+ .disconnect_val = 0x0,
+ }
+ },
+ .batt_info = {
+ .voltage_max = 8800,
+ .voltage_normal = 7700, /* mV */
+ .voltage_min = 6000, /* mV */
+ .precharge_current = 256, /* mA */
+ .start_charging_min_c = 0,
+ .start_charging_max_c = 50,
+ .charging_min_c = 0,
+ .charging_max_c = 60,
+ .discharging_min_c = -20,
+ .discharging_max_c = 75,
+ },
+ },
+ /* AP16L8J */
+ [BATTERY_AP16L8J] = {
+ .fuel_gauge = {
+ .manuf_name = "LGC KT0020G010",
+ .device_name = "AP16L8J",
+ .ship_mode = {
+ .reg_addr = 0x3A,
+ .reg_data = { 0xC574, 0xC574 },
+ },
+ .fet = {
+ .mfgacc_support = 1,
+ .reg_addr = 0x23,
+ .reg_mask = 0x1,
+ .disconnect_val = 0x0,
+ }
+ },
+ .batt_info = {
+ .voltage_max = 8700,
+ .voltage_normal = 7500, /* mV */
+ .voltage_min = 6000, /* mV */
+ .precharge_current = 256, /* mA */
+ .start_charging_min_c = 0,
+ .start_charging_max_c = 50,
+ .charging_min_c = 0,
+ .charging_max_c = 60,
+ .discharging_min_c = -20,
+ .discharging_max_c = 75,
+ },
+ },
+};
+BUILD_ASSERT(ARRAY_SIZE(board_battery_info) == BATTERY_TYPE_COUNT);
+
+const enum battery_type DEFAULT_BATTERY_TYPE = BATTERY_AP16L5J;
diff --git a/board/coachz/board.c b/board/coachz/board.c
new file mode 100644
index 0000000000..3b96d02baa
--- /dev/null
+++ b/board/coachz/board.c
@@ -0,0 +1,696 @@
+/* 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.
+ */
+
+/* Coachz board-specific configuration */
+
+#include "adc_chip.h"
+#include "button.h"
+#include "charge_manager.h"
+#include "charge_state.h"
+#include "extpower.h"
+#include "driver/accel_bma2x2.h"
+#include "driver/accelgyro_bmi_common.h"
+#include "driver/ppc/sn5s330.h"
+#include "driver/tcpm/ps8xxx.h"
+#include "driver/tcpm/tcpci.h"
+#include "gpio.h"
+#include "hooks.h"
+#include "keyboard_scan.h"
+#include "lid_switch.h"
+#include "ln9310.h"
+#include "pi3usb9201.h"
+#include "power.h"
+#include "power_button.h"
+#include "pwm.h"
+#include "pwm_chip.h"
+#include "system.h"
+#include "shi_chip.h"
+#include "switch.h"
+#include "tablet_mode.h"
+#include "task.h"
+#include "usbc_ppc.h"
+
+#define CPRINTS(format, args...) cprints(CC_USBCHARGE, format, ## args)
+#define CPRINTF(format, args...) cprintf(CC_USBCHARGE, format, ## args)
+
+/* Forward declaration */
+static void tcpc_alert_event(enum gpio_signal signal);
+static void usb0_evt(enum gpio_signal signal);
+static void usb1_evt(enum gpio_signal signal);
+static void ppc_interrupt(enum gpio_signal signal);
+static void board_connect_c0_sbu(enum gpio_signal s);
+static void switchcap_interrupt(enum gpio_signal signal);
+
+#include "gpio_list.h"
+
+static uint8_t sku_id;
+
+/* GPIO Interrupt Handlers */
+static void tcpc_alert_event(enum gpio_signal signal)
+{
+ int port = -1;
+
+ switch (signal) {
+ case GPIO_USB_C0_PD_INT_ODL:
+ port = 0;
+ break;
+ case GPIO_USB_C1_PD_INT_ODL:
+ port = 1;
+ break;
+ default:
+ return;
+ }
+
+ schedule_deferred_pd_interrupt(port);
+}
+
+static void usb0_evt(enum gpio_signal signal)
+{
+ task_set_event(TASK_ID_USB_CHG_P0, USB_CHG_EVENT_BC12, 0);
+}
+
+static void usb1_evt(enum gpio_signal signal)
+{
+ task_set_event(TASK_ID_USB_CHG_P1, USB_CHG_EVENT_BC12, 0);
+}
+
+static void ppc_interrupt(enum gpio_signal signal)
+{
+ switch (signal) {
+ case GPIO_USB_C0_SWCTL_INT_ODL:
+ sn5s330_interrupt(0);
+ break;
+ case GPIO_USB_C1_SWCTL_INT_ODL:
+ sn5s330_interrupt(1);
+ break;
+ default:
+ break;
+ }
+}
+
+static void board_connect_c0_sbu_deferred(void)
+{
+ /*
+ * If CCD_MODE_ODL asserts, it means there's a debug accessory connected
+ * and we should enable the SBU FETs.
+ */
+ ppc_set_sbu(0, 1);
+}
+DECLARE_DEFERRED(board_connect_c0_sbu_deferred);
+
+static void board_connect_c0_sbu(enum gpio_signal s)
+{
+ hook_call_deferred(&board_connect_c0_sbu_deferred_data, 0);
+}
+
+static void switchcap_interrupt(enum gpio_signal signal)
+{
+ ln9310_interrupt(signal);
+}
+
+/* ADC channels */
+const struct adc_t adc_channels[] = {
+ /* Measure VBUS through a 1/10 voltage divider */
+ [ADC_VBUS] = {
+ "VBUS",
+ NPCX_ADC_CH1,
+ ADC_MAX_VOLT * 10,
+ ADC_READ_MAX + 1,
+ 0
+ },
+ /*
+ * Adapter current output or battery charging/discharging current (uV)
+ * 18x amplification on charger side.
+ */
+ [ADC_AMON_BMON] = {
+ "AMON_BMON",
+ NPCX_ADC_CH2,
+ ADC_MAX_VOLT * 1000 / 18,
+ ADC_READ_MAX + 1,
+ 0
+ },
+ /*
+ * ISL9238 PSYS output is 1.44 uA/W over 5.6K resistor, to read
+ * 0.8V @ 99 W, i.e. 124000 uW/mV. Using ADC_MAX_VOLT*124000 and
+ * ADC_READ_MAX+1 as multiplier/divider leads to overflows, so we
+ * only divide by 2 (enough to avoid precision issues).
+ */
+ [ADC_PSYS] = {
+ "PSYS",
+ NPCX_ADC_CH3,
+ ADC_MAX_VOLT * 124000 * 2 / (ADC_READ_MAX + 1),
+ 2,
+ 0
+ },
+};
+BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT);
+
+const struct pwm_t pwm_channels[] = {
+ [PWM_CH_KBLIGHT] = { .channel = 3, .flags = 0, .freq = 10000 },
+ /* TODO(waihong): Assign a proper frequency. */
+ [PWM_CH_DISPLIGHT] = { .channel = 5, .flags = 0, .freq = 4800 },
+};
+BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT);
+
+/* LN9310 switchcap */
+const struct ln9310_config_t ln9310_config = {
+ .i2c_port = I2C_PORT_POWER,
+ .i2c_addr_flags = LN9310_I2C_ADDR_0_FLAGS,
+};
+
+/* Power Path Controller */
+struct ppc_config_t ppc_chips[] = {
+ {
+ .i2c_port = I2C_PORT_TCPC0,
+ .i2c_addr_flags = SN5S330_ADDR0_FLAGS,
+ .drv = &sn5s330_drv
+ },
+ {
+ .i2c_port = I2C_PORT_TCPC1,
+ .i2c_addr_flags = SN5S330_ADDR0_FLAGS,
+ .drv = &sn5s330_drv
+ },
+};
+unsigned int ppc_cnt = ARRAY_SIZE(ppc_chips);
+
+/* TCPC mux configuration */
+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 = PS8751_I2C_ADDR1_FLAGS,
+ },
+ .drv = &ps8xxx_tcpm_drv,
+ },
+ {
+ .bus_type = EC_BUS_TYPE_I2C,
+ .i2c_info = {
+ .port = I2C_PORT_TCPC1,
+ .addr_flags = PS8751_I2C_ADDR1_FLAGS,
+ },
+ .drv = &ps8xxx_tcpm_drv,
+ },
+};
+
+/*
+ * Port-0/1 USB mux driver.
+ *
+ * The USB mux is handled by TCPC chip and the HPD update is through a GPIO
+ * to AP. But the TCPC chip is also needed to know the HPD status; otherwise,
+ * the mux misbehaves.
+ */
+const struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_MAX_COUNT] = {
+ {
+ .usb_port = 0,
+ .driver = &tcpci_tcpm_usb_mux_driver,
+ .hpd_update = &ps8xxx_tcpc_update_hpd_status,
+ },
+ {
+ .usb_port = 1,
+ .driver = &tcpci_tcpm_usb_mux_driver,
+ .hpd_update = &ps8xxx_tcpc_update_hpd_status,
+ }
+};
+
+const int usb_port_enable[USB_PORT_COUNT] = {
+ GPIO_EN_USB_A_5V,
+};
+
+/* BC1.2 */
+const struct pi3usb9201_config_t pi3usb9201_bc12_chips[] = {
+ {
+ .i2c_port = I2C_PORT_POWER,
+ .i2c_addr_flags = PI3USB9201_I2C_ADDR_3_FLAGS,
+ },
+ {
+ .i2c_port = I2C_PORT_EEPROM,
+ .i2c_addr_flags = PI3USB9201_I2C_ADDR_3_FLAGS,
+ },
+};
+
+/* Mutexes */
+static struct mutex g_base_mutex;
+static struct mutex g_lid_mutex;
+
+static struct bmi_drv_data_t g_bmi160_data;
+static struct accelgyro_saved_data_t g_bma255_data;
+
+/* Matrix to rotate accelerometer into standard reference frame */
+const mat33_fp_t base_standard_ref = {
+ { FLOAT_TO_FP(1), 0, 0},
+ { 0, FLOAT_TO_FP(-1), 0},
+ { 0, 0, FLOAT_TO_FP(-1)}
+};
+
+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[] = {
+ [LID_ACCEL] = {
+ .name = "Lid Accel",
+ .active_mask = SENSOR_ACTIVE_S0_S3,
+ .chip = MOTIONSENSE_CHIP_BMA255,
+ .type = MOTIONSENSE_TYPE_ACCEL,
+ .location = MOTIONSENSE_LOC_LID,
+ .drv = &bma2x2_accel_drv,
+ .mutex = &g_lid_mutex,
+ .drv_data = &g_bma255_data,
+ .port = I2C_PORT_SENSOR,
+ .i2c_spi_addr_flags = BMA2x2_I2C_ADDR1_FLAGS,
+ .rot_standard_ref = &lid_standard_ref,
+ .default_range = 2, /* g, to support lid angle calculation. */
+ .min_frequency = BMA255_ACCEL_MIN_FREQ,
+ .max_frequency = BMA255_ACCEL_MAX_FREQ,
+ .config = {
+ /* EC use accel for angle detection */
+ [SENSOR_CONFIG_EC_S0] = {
+ .odr = 10000 | ROUND_UP_FLAG,
+ },
+ /* Sensor on for lid angle detection */
+ [SENSOR_CONFIG_EC_S3] = {
+ .odr = 10000 | ROUND_UP_FLAG,
+ },
+ },
+ },
+ /*
+ * Note: bmi160: supports accelerometer and gyro sensor
+ * Requirement: accelerometer sensor must init before gyro sensor
+ * DO NOT change the order of the following table.
+ */
+ [BASE_ACCEL] = {
+ .name = "Base Accel",
+ .active_mask = SENSOR_ACTIVE_S0_S3_S5,
+ .chip = MOTIONSENSE_CHIP_BMI160,
+ .type = MOTIONSENSE_TYPE_ACCEL,
+ .location = MOTIONSENSE_LOC_BASE,
+ .drv = &bmi160_drv,
+ .mutex = &g_base_mutex,
+ .drv_data = &g_bmi160_data,
+ .port = I2C_PORT_SENSOR,
+ .i2c_spi_addr_flags = BMI160_ADDR0_FLAGS,
+ .rot_standard_ref = &base_standard_ref,
+ .default_range = 4, /* g, to meet CDD 7.3.1/C-1-4 reqs */
+ .min_frequency = BMI_ACCEL_MIN_FREQ,
+ .max_frequency = BMI_ACCEL_MAX_FREQ,
+ .config = {
+ [SENSOR_CONFIG_EC_S0] = {
+ .odr = 10000 | ROUND_UP_FLAG,
+ },
+ },
+ },
+ [BASE_GYRO] = {
+ .name = "Gyro",
+ .active_mask = SENSOR_ACTIVE_S0_S3_S5,
+ .chip = MOTIONSENSE_CHIP_BMI160,
+ .type = MOTIONSENSE_TYPE_GYRO,
+ .location = MOTIONSENSE_LOC_BASE,
+ .drv = &bmi160_drv,
+ .mutex = &g_base_mutex,
+ .drv_data = &g_bmi160_data,
+ .port = I2C_PORT_SENSOR,
+ .i2c_spi_addr_flags = BMI160_ADDR0_FLAGS,
+ .default_range = 1000, /* dps */
+ .rot_standard_ref = &base_standard_ref,
+ .min_frequency = BMI_GYRO_MIN_FREQ,
+ .max_frequency = BMI_GYRO_MAX_FREQ,
+ },
+};
+unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors);
+
+#ifndef TEST_BUILD
+/* This callback disables keyboard when convertibles are fully open */
+void lid_angle_peripheral_enable(int enable)
+{
+ int chipset_in_s0 = chipset_in_state(CHIPSET_STATE_ON);
+
+ if (enable) {
+ keyboard_scan_enable(1, KB_SCAN_DISABLE_LID_ANGLE);
+ } else {
+ /*
+ * Ensure that the chipset is off before disabling the keyboard.
+ * When the chipset is on, the EC keeps the keyboard enabled and
+ * the AP decides whether to ignore input devices or not.
+ */
+ if (!chipset_in_s0)
+ keyboard_scan_enable(0, KB_SCAN_DISABLE_LID_ANGLE);
+ }
+}
+#endif
+
+static int board_is_clamshell(void)
+{
+ /* SKU ID of Limozeen: 4, 5 */
+ return sku_id == 4 || sku_id == 5;
+}
+
+enum battery_cell_type board_get_battery_cell_type(void)
+{
+ /* SKU ID of Limozeen: 4, 5 -> 3S battery */
+ if (sku_id == 4 || sku_id == 5)
+ return BATTERY_CELL_TYPE_3S;
+
+ return BATTERY_CELL_TYPE_UNKNOWN;
+}
+
+static void board_update_sensor_config_from_sku(void)
+{
+ if (board_is_clamshell()) {
+ motion_sensor_count = 0;
+ gmr_tablet_switch_disable();
+ /* The base accel is not stuffed; don't allow line to float */
+ gpio_set_flags(GPIO_ACCEL_GYRO_INT_L,
+ GPIO_INPUT | GPIO_PULL_DOWN);
+ } else {
+ motion_sensor_count = ARRAY_SIZE(motion_sensors);
+ /* Enable interrupt for the base accel sensor */
+ gpio_enable_interrupt(GPIO_ACCEL_GYRO_INT_L);
+ }
+}
+
+/* Read SKU ID from GPIO and initialize variables for board variants */
+static void sku_init(void)
+{
+ uint8_t val = 0;
+
+ if (gpio_get_level(GPIO_SKU_ID0))
+ val |= 0x01;
+ if (gpio_get_level(GPIO_SKU_ID1))
+ val |= 0x02;
+ if (gpio_get_level(GPIO_SKU_ID2))
+ val |= 0x04;
+
+ sku_id = val;
+ CPRINTS("SKU: %u", sku_id);
+
+ board_update_sensor_config_from_sku();
+}
+DECLARE_HOOK(HOOK_INIT, sku_init, HOOK_PRIO_INIT_I2C + 1);
+
+static int board_has_ln9310(void)
+{
+ static int ln9310_present = -1;
+ int status, val;
+
+ /* Cache the status of LN9310 present or not */
+ if (ln9310_present == -1) {
+ status = i2c_read8(ln9310_config.i2c_port,
+ ln9310_config.i2c_addr_flags,
+ LN9310_REG_CHIP_ID,
+ &val);
+
+ /*
+ * Any error reading LN9310 CHIP_ID over I2C means the chip
+ * not present. Fallback to use DA9313 switchcap.
+ */
+ ln9310_present = !status && val == LN9310_CHIP_ID;
+ }
+
+ return ln9310_present;
+}
+
+static void board_switchcap_init(void)
+{
+ if (board_has_ln9310()) {
+ CPRINTS("Use switchcap: LN9310");
+
+ /* Configure and enable interrupt for LN9310 */
+ gpio_set_flags(GPIO_SWITCHCAP_PG_INT_L, GPIO_INT_FALLING);
+ gpio_enable_interrupt(GPIO_SWITCHCAP_PG_INT_L);
+
+ /*
+ * Configure LN9310 enable, open-drain output. Don't set the
+ * level here; otherwise, it will override its value and
+ * shutdown the switchcap when sysjump to RW.
+ *
+ * Note that the gpio.inc configures it GPIO_OUT_LOW. When
+ * sysjump to RW, will output push-pull a short period of
+ * time. As it outputs LOW, should be fine.
+ *
+ * This GPIO changes like:
+ * (1) EC boots from RO -> high-Z
+ * (2) GPIO init according to gpio.inc -> push-pull LOW
+ * (3) This function configures it -> open-drain HIGH
+ * (4) Power sequence turns on the switchcap -> open-drain LOW
+ * (5) EC sysjumps to RW
+ * (6) GPIO init according to gpio.inc -> push-pull LOW
+ * (7) This function configures it -> open-drain LOW
+ */
+ gpio_set_flags(GPIO_SWITCHCAP_ON_L,
+ GPIO_OUTPUT | GPIO_OPEN_DRAIN);
+
+ /* Only configure the switchcap if not sysjump */
+ if (!system_jumped_late()) {
+ /*
+ * Deassert the enable pin (set it HIGH), so the
+ * switchcap won't be enabled after the switchcap is
+ * configured from standby mode to switching mode.
+ */
+ gpio_set_level(GPIO_SWITCHCAP_ON_L, 1);
+ ln9310_init();
+ }
+ } else {
+ CPRINTS("Use switchcap: DA9313");
+
+ /*
+ * When the chip in power down mode, it outputs high-Z.
+ * Set pull-down to avoid floating.
+ */
+ gpio_set_flags(GPIO_DA9313_GPIO0, GPIO_INPUT | GPIO_PULL_DOWN);
+
+ /*
+ * Configure DA9313 enable, push-pull output. Don't set the
+ * level here; otherwise, it will override its value and
+ * shutdown the switchcap when sysjump to RW.
+ */
+ gpio_set_flags(GPIO_SWITCHCAP_ON, GPIO_OUTPUT);
+ }
+}
+
+/* Initialize board. */
+static void board_init(void)
+{
+ /* Enable BC1.2 VBUS detection */
+ gpio_enable_interrupt(GPIO_USB_C0_VBUS_DET_L);
+ gpio_enable_interrupt(GPIO_USB_C1_VBUS_DET_L);
+
+ /* Enable BC1.2 interrupts */
+ gpio_enable_interrupt(GPIO_USB_C0_BC12_INT_L);
+ gpio_enable_interrupt(GPIO_USB_C1_BC12_INT_L);
+
+ /*
+ * The H1 SBU line for CCD are behind PPC chip. The PPC internal FETs
+ * for SBU may be disconnected after DP alt mode is off. Should enable
+ * the CCD_MODE_ODL interrupt to make sure the SBU FETs are connected.
+ */
+ gpio_enable_interrupt(GPIO_CCD_MODE_ODL);
+
+ /* Set the backlight duty cycle to 0. AP will override it later. */
+ pwm_set_duty(PWM_CH_DISPLIGHT, 0);
+
+ board_switchcap_init();
+}
+DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT);
+
+void board_tcpc_init(void)
+{
+ /* Only reset TCPC if not sysjump */
+ if (!system_jumped_late()) {
+ /* TODO(crosbug.com/p/61098): How long do we need to wait? */
+ board_reset_pd_mcu();
+ }
+
+ /* Enable PPC interrupts */
+ gpio_enable_interrupt(GPIO_USB_C0_SWCTL_INT_ODL);
+
+ /* Enable TCPC interrupts */
+ gpio_enable_interrupt(GPIO_USB_C0_PD_INT_ODL);
+ gpio_enable_interrupt(GPIO_USB_C1_PD_INT_ODL);
+
+ /*
+ * Initialize HPD to low; after sysjump SOC needs to see
+ * HPD pulse to enable video path
+ */
+ for (int port = 0; port < CONFIG_USB_PD_PORT_MAX_COUNT; ++port)
+ usb_mux_hpd_update(port, 0, 0);
+}
+DECLARE_HOOK(HOOK_INIT, board_tcpc_init, HOOK_PRIO_INIT_I2C+1);
+
+/* Called on AP S0 -> S3 transition */
+static void board_chipset_suspend(void)
+{
+ /*
+ * Turn off display backlight in S3. AP has its own control. The EC's
+ * and the AP's will be AND'ed together in hardware.
+ */
+ gpio_set_level(GPIO_ENABLE_BACKLIGHT, 0);
+ pwm_enable(PWM_CH_DISPLIGHT, 0);
+}
+DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, board_chipset_suspend, HOOK_PRIO_DEFAULT);
+
+/* Called on AP S3 -> S0 transition */
+static void board_chipset_resume(void)
+{
+ /* Turn on display and keyboard backlight in S0. */
+ gpio_set_level(GPIO_ENABLE_BACKLIGHT, 1);
+ if (pwm_get_duty(PWM_CH_DISPLIGHT))
+ pwm_enable(PWM_CH_DISPLIGHT, 1);
+}
+DECLARE_HOOK(HOOK_CHIPSET_RESUME, board_chipset_resume, HOOK_PRIO_DEFAULT);
+
+void board_set_switchcap_power(int enable)
+{
+ if (board_has_ln9310())
+ gpio_set_level(GPIO_SWITCHCAP_ON_L, !enable);
+ else
+ gpio_set_level(GPIO_SWITCHCAP_ON, enable);
+}
+
+int board_is_switchcap_enabled(void)
+{
+ if (board_has_ln9310())
+ return !gpio_get_level(GPIO_SWITCHCAP_ON_L);
+ else
+ return gpio_get_level(GPIO_SWITCHCAP_ON);
+}
+
+int board_is_switchcap_power_good(void)
+{
+ if (board_has_ln9310())
+ return ln9310_power_good();
+ else
+ return gpio_get_level(GPIO_DA9313_GPIO0);
+}
+
+void board_reset_pd_mcu(void)
+{
+ cprints(CC_USB, "Resetting TCPCs...");
+ cflush();
+
+ gpio_set_level(GPIO_USB_C0_PD_RST_L, 0);
+ gpio_set_level(GPIO_USB_C1_PD_RST_L, 0);
+ msleep(PS8XXX_RESET_DELAY_MS);
+ gpio_set_level(GPIO_USB_C0_PD_RST_L, 1);
+ gpio_set_level(GPIO_USB_C1_PD_RST_L, 1);
+}
+
+void board_set_tcpc_power_mode(int port, int mode)
+{
+ /* Ignore the "mode" to turn the chip on. We can only do a reset. */
+ if (mode)
+ return;
+
+ board_reset_pd_mcu();
+}
+
+int board_vbus_sink_enable(int port, int enable)
+{
+ /* Both ports are controlled by PPC SN5S330 */
+ return ppc_vbus_sink_enable(port, enable);
+}
+
+int board_is_sourcing_vbus(int port)
+{
+ /* Both ports are controlled by PPC SN5S330 */
+ return ppc_is_sourcing_vbus(port);
+}
+
+void board_overcurrent_event(int port, int is_overcurrented)
+{
+ /* TODO(b/120231371): Notify AP */
+ CPRINTS("p%d: overcurrent!", port);
+}
+
+int board_set_active_charge_port(int port)
+{
+ int is_real_port = (port >= 0 &&
+ port < CONFIG_USB_PD_PORT_MAX_COUNT);
+ int i;
+
+ if (!is_real_port && port != CHARGE_PORT_NONE)
+ return EC_ERROR_INVAL;
+
+ if (port == CHARGE_PORT_NONE) {
+ CPRINTS("Disabling all charging port");
+
+ /* Disable all ports. */
+ for (i = 0; i < CONFIG_USB_PD_PORT_MAX_COUNT; i++) {
+ /*
+ * Do not return early if one fails otherwise we can
+ * get into a boot loop assertion failure.
+ */
+ if (board_vbus_sink_enable(i, 0))
+ CPRINTS("Disabling p%d sink path failed.", i);
+ }
+
+ return EC_SUCCESS;
+ }
+
+ /* Check if the port is sourcing VBUS. */
+ if (board_is_sourcing_vbus(port)) {
+ CPRINTS("Skip enable p%d", port);
+ return EC_ERROR_INVAL;
+ }
+
+
+ CPRINTS("New charge port: p%d", port);
+
+ /*
+ * Turn off the other ports' sink path FETs, before enabling the
+ * requested charge port.
+ */
+ for (i = 0; i < CONFIG_USB_PD_PORT_MAX_COUNT; i++) {
+ if (i == port)
+ continue;
+
+ if (board_vbus_sink_enable(i, 0))
+ CPRINTS("p%d: sink path disable failed.", i);
+ }
+
+ /* Enable requested charge port. */
+ if (board_vbus_sink_enable(port, 1)) {
+ CPRINTS("p%d: sink path enable failed.", port);
+ return EC_ERROR_UNKNOWN;
+ }
+
+ return EC_SUCCESS;
+}
+
+void board_set_charge_limit(int port, int supplier, int charge_ma,
+ int max_ma, int charge_mv)
+{
+ /*
+ * Ignore lower charge ceiling on PD transition if our battery is
+ * critical, as we may brownout.
+ */
+ if (supplier == CHARGE_SUPPLIER_PD &&
+ charge_ma < 1500 &&
+ charge_get_percent() < CONFIG_CHARGER_MIN_BAT_PCT_FOR_POWER_ON) {
+ CPRINTS("Using max ilim %d", max_ma);
+ charge_ma = max_ma;
+ }
+
+ charge_set_input_current_limit(MAX(charge_ma,
+ CONFIG_CHARGER_INPUT_CURRENT),
+ charge_mv);
+}
+
+uint16_t tcpc_get_alert_status(void)
+{
+ uint16_t status = 0;
+
+ if (!gpio_get_level(GPIO_USB_C0_PD_INT_ODL))
+ if (gpio_get_level(GPIO_USB_C0_PD_RST_L))
+ status |= PD_STATUS_TCPC_ALERT_0;
+ if (!gpio_get_level(GPIO_USB_C1_PD_INT_ODL))
+ if (gpio_get_level(GPIO_USB_C1_PD_RST_L))
+ status |= PD_STATUS_TCPC_ALERT_1;
+
+ return status;
+}
+
diff --git a/board/coachz/board.h b/board/coachz/board.h
new file mode 100644
index 0000000000..96aa37545a
--- /dev/null
+++ b/board/coachz/board.h
@@ -0,0 +1,123 @@
+/* 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.
+ */
+
+/* Coachz board configuration */
+
+#ifndef __CROS_EC_BOARD_H
+#define __CROS_EC_BOARD_H
+
+#include "baseboard.h"
+
+/* TODO(waihong): Remove the following bringup features */
+#define CONFIG_BRINGUP
+#define CONFIG_SYSTEM_UNLOCKED /* Allow dangerous commands. */
+#define CONFIG_USB_PD_DEBUG_LEVEL 3
+#define CONFIG_CMD_AP_RESET_LOG
+#define CONFIG_CMD_GPIO_EXTENDED
+#define CONFIG_CMD_POWERINDEBUG
+#define CONFIG_I2C_DEBUG
+
+/* Internal SPI flash on NPCX7 */
+#define CONFIG_FLASH_SIZE (512 * 1024) /* 512KB internal spi flash */
+
+/* Switchcap */
+#define CONFIG_LN9310
+
+/* Battery */
+#define CONFIG_BATTERY_DEVICE_CHEMISTRY "LION"
+#define CONFIG_BATTERY_REVIVE_DISCONNECT
+#define CONFIG_BATTERY_FUEL_GAUGE
+
+/* BC 1.2 Charger */
+#define CONFIG_BC12_DETECT_PI3USB9201
+
+/* USB */
+#define CONFIG_USB_PD_TCPM_PS8751
+#define CONFIG_USBC_PPC_SN5S330
+#define CONFIG_USB_PD_PORT_MAX_COUNT 2
+
+/* USB-A */
+#define USB_PORT_COUNT 1
+#define CONFIG_USB_PORT_POWER_DUMB
+
+/* Sensors */
+#define CONFIG_DYNAMIC_MOTION_SENSOR_COUNT
+
+/* BMI160 Base accel/gyro */
+#define CONFIG_ACCELGYRO_BMI160
+#define CONFIG_ACCEL_INTERRUPTS
+#define CONFIG_ACCELGYRO_BMI160_INT_EVENT \
+ TASK_EVENT_MOTION_SENSOR_INTERRUPT(BASE_ACCEL)
+#define OPT3001_I2C_ADDR_FLAGS OPT3001_I2C_ADDR1_FLAGS
+
+/* BMA253 lid accel */
+#define CONFIG_ACCEL_BMA255
+#define CONFIG_ACCEL_FORCE_MODE_MASK BIT(LID_ACCEL)
+
+#define CONFIG_LID_ANGLE
+#define CONFIG_LID_ANGLE_SENSOR_BASE BASE_ACCEL
+#define CONFIG_LID_ANGLE_SENSOR_LID LID_ACCEL
+#define CONFIG_LID_ANGLE_UPDATE
+
+#define CONFIG_TABLET_MODE
+#define CONFIG_TABLET_MODE_SWITCH
+#define CONFIG_GMR_TABLET_MODE
+#define GMR_TABLET_MODE_GPIO_L GPIO_TABLET_MODE_L
+
+/* GPIO alias */
+#define GPIO_PMIC_RESIN_L GPIO_PM845_RESIN_L
+#define GPIO_SWITCHCAP_PG_INT_L GPIO_DA9313_GPIO0
+#define GPIO_SWITCHCAP_ON_L GPIO_SWITCHCAP_ON
+
+#ifndef __ASSEMBLER__
+
+#include "gpio_signal.h"
+#include "registers.h"
+
+enum adc_channel {
+ ADC_VBUS,
+ ADC_AMON_BMON,
+ ADC_PSYS,
+ ADC_CH_COUNT
+};
+
+/* Motion sensors */
+enum sensor_id {
+ LID_ACCEL = 0,
+ BASE_ACCEL,
+ BASE_GYRO,
+ SENSOR_COUNT,
+};
+
+enum pwm_channel {
+ PWM_CH_KBLIGHT = 0,
+ PWM_CH_DISPLIGHT,
+ PWM_CH_COUNT
+};
+
+/* List of possible batteries */
+enum battery_type {
+ BATTERY_AP16L5J,
+ BATTERY_AP16L5J_009,
+ BATTERY_AP16L8J,
+ BATTERY_TYPE_COUNT,
+};
+
+/* Swithcap functions */
+void board_set_switchcap_power(int enable);
+int board_is_switchcap_enabled(void);
+int board_is_switchcap_power_good(void);
+enum battery_cell_type board_get_battery_cell_type(void);
+/* Custom function to indicate if sourcing VBUS */
+int board_is_sourcing_vbus(int port);
+/* Enable VBUS sink for a given port */
+int board_vbus_sink_enable(int port, int enable);
+/* Reset all TCPCs. */
+void board_reset_pd_mcu(void);
+void board_set_tcpc_power_mode(int port, int mode);
+
+#endif /* !defined(__ASSEMBLER__) */
+
+#endif /* __CROS_EC_BOARD_H */
diff --git a/board/coachz/build.mk b/board/coachz/build.mk
new file mode 100644
index 0000000000..a044fa58cb
--- /dev/null
+++ b/board/coachz/build.mk
@@ -0,0 +1,14 @@
+# -*- 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
+#
+
+CHIP:=npcx
+CHIP_FAMILY:=npcx7
+CHIP_VARIANT:=npcx7m6fc
+BASEBOARD:=trogdor
+
+board-y=battery.o board.o led.o
diff --git a/board/coachz/ec.tasklist b/board/coachz/ec.tasklist
new file mode 100644
index 0000000000..2b55c26c20
--- /dev/null
+++ b/board/coachz/ec.tasklist
@@ -0,0 +1,23 @@
+/* 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, ULTRA_TASK_STACK_SIZE) \
+ TASK_ALWAYS(USB_CHG_P0, usb_charger_task, NULL, LARGER_TASK_STACK_SIZE) \
+ TASK_ALWAYS(USB_CHG_P1, usb_charger_task, NULL, LARGER_TASK_STACK_SIZE) \
+ TASK_NOTEST(CHIPSET, chipset_task, NULL, ULTRA_TASK_STACK_SIZE) \
+ TASK_ALWAYS(CHARGER, charger_task, NULL, ULTRA_TASK_STACK_SIZE) \
+ TASK_ALWAYS(MOTIONSENSE, motion_sense_task, NULL, VENTI_TASK_STACK_SIZE) \
+ TASK_ALWAYS(HOSTCMD, host_command_task, NULL, ULTRA_TASK_STACK_SIZE) \
+ TASK_ALWAYS(CONSOLE, console_task, NULL, ULTRA_TASK_STACK_SIZE) \
+ TASK_NOTEST(KEYSCAN, keyboard_scan_task, NULL, VENTI_TASK_STACK_SIZE) \
+ TASK_ALWAYS(PD_C0, pd_task, NULL, ULTRA_TASK_STACK_SIZE) \
+ TASK_ALWAYS(PD_C1, pd_task, NULL, ULTRA_TASK_STACK_SIZE) \
+ TASK_ALWAYS(PD_INT_C0, pd_interrupt_handler_task, 0, ULTRA_TASK_STACK_SIZE) \
+ TASK_ALWAYS(PD_INT_C1, pd_interrupt_handler_task, 1, ULTRA_TASK_STACK_SIZE)
diff --git a/board/coachz/gpio.inc b/board/coachz/gpio.inc
new file mode 100644
index 0000000000..744cfd96fa
--- /dev/null
+++ b/board/coachz/gpio.inc
@@ -0,0 +1,164 @@
+/* -*- 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. */
+
+/* USB-C interrupts */
+GPIO_INT(USB_C0_PD_INT_ODL, PIN(E, 0), GPIO_INT_FALLING, tcpc_alert_event) /* Interrupt from port-0 TCPC */
+GPIO_INT(USB_C1_PD_INT_ODL, PIN(F, 5), GPIO_INT_FALLING, tcpc_alert_event) /* Interrupt from port-1 TCPC */
+GPIO_INT(USB_C0_SWCTL_INT_ODL, PIN(0, 3), GPIO_INT_FALLING, ppc_interrupt) /* Interrupt from port-0 PPC */
+GPIO_INT(USB_C1_SWCTL_INT_ODL, PIN(4, 0), GPIO_INT_FALLING, ppc_interrupt) /* Interrupt from port-1 PPC */
+GPIO_INT(USB_C0_BC12_INT_L, PIN(6, 1), GPIO_INT_FALLING, usb0_evt) /* Interrupt from port-0 BC1.2 */
+GPIO_INT(USB_C1_BC12_INT_L, PIN(8, 2), GPIO_INT_FALLING, usb1_evt) /* Interrupt from port-1 BC1.2 */
+
+/* System interrupts */
+GPIO_INT(ACOK_OD, PIN(0, 0), GPIO_INT_BOTH | GPIO_HIB_WAKE_HIGH, extpower_interrupt) /* AC OK? */
+GPIO_INT(CCD_MODE_ODL, PIN(E, 3), GPIO_INT_FALLING, board_connect_c0_sbu) /* Case Closed Debug Mode */
+GPIO_INT(EC_PWR_BTN_ODL, PIN(0, 1), GPIO_INT_BOTH, power_button_interrupt) /* Power button */
+GPIO_INT(EC_VOLDN_BTN_ODL, PIN(7, 0), GPIO_INT_BOTH | GPIO_PULL_UP, button_interrupt) /* Volume Up button */
+GPIO_INT(EC_VOLUP_BTN_ODL, PIN(F, 2), GPIO_INT_BOTH | GPIO_PULL_UP, button_interrupt) /* Volume Down button */
+GPIO_INT(EC_WP_ODL, PIN(A, 1), GPIO_INT_BOTH, switch_interrupt) /* Write protection */
+GPIO_INT(LID_OPEN_EC, PIN(D, 2), GPIO_INT_BOTH | GPIO_HIB_WAKE_HIGH, lid_interrupt) /* Lid open? */
+GPIO_INT(AP_RST_L, PIN(C, 1), GPIO_INT_BOTH | GPIO_SEL_1P8V, chipset_ap_rst_interrupt) /* PMIC to signal AP reset */
+GPIO_INT(PS_HOLD, PIN(A, 4), GPIO_INT_BOTH | GPIO_PULL_DOWN | GPIO_SEL_1P8V, power_signal_interrupt) /* Indicate when AP triggers reset/shutdown */
+GPIO_INT(PMIC_FAULT_L, PIN(A, 3), GPIO_INT_BOTH | GPIO_SEL_1P8V, power_signal_interrupt) /* Any PMIC fault? */
+GPIO_INT(AP_SUSPEND, PIN(5, 7), GPIO_INT_BOTH | GPIO_SEL_1P8V, power_signal_interrupt) /* Suspend signal from PMIC */
+GPIO_INT(DEPRECATED_AP_RST_REQ, PIN(C, 2), GPIO_INT_BOTH | GPIO_PULL_DOWN | GPIO_SEL_1P8V, power_signal_interrupt) /* Deprecated AP initiated reset indicator */
+/*
+ * When switch-cap is off, the POWER_GOOD signal is floating. Need a pull-down
+ * to make it low. Overload the interrupt function chipset_warm_reset_interrupt
+ * for not only signalling power_signal_interrupt but also handling the logic
+ * of WARM_RESET_L which is pulled-up by the same rail of POWER_GOOD.
+ */
+GPIO_INT(POWER_GOOD, PIN(5, 4), GPIO_INT_BOTH | GPIO_PULL_DOWN, chipset_power_good_interrupt) /* SRC_PP1800_S10A from PMIC */
+GPIO_INT(WARM_RESET_L, PIN(F, 4), GPIO_INT_BOTH | GPIO_SEL_1P8V, chipset_warm_reset_interrupt) /* AP warm reset */
+GPIO_INT(AP_EC_SPI_CS_L, PIN(5, 3), GPIO_INT_FALLING | GPIO_PULL_DOWN, shi_cs_event) /* EC SPI Chip Select */
+
+/* Sensor interrupts */
+GPIO_INT(TABLET_MODE_L, PIN(C, 6), GPIO_INT_BOTH, gmr_tablet_switch_isr)
+GPIO_INT(ACCEL_GYRO_INT_L, PIN(A, 0), GPIO_INT_FALLING | GPIO_SEL_1P8V, bmi160_interrupt) /* Accelerometer/gyro interrupt */
+
+/* Switchcap
+ *
+ * For DA9313 SKUs, it is GPIO0 of DA9313. The GPIO0 is configured as PVC_PG.
+ * For LN9310 SKUs, it is the interrupt line of LN9310.
+ */
+GPIO_INT(DA9313_GPIO0, PIN(E, 2), GPIO_INT_FALLING, switchcap_interrupt)
+
+/*
+ * EC_RST_ODL acts as a wake source from PSL hibernate mode. However, it does
+ * not need to be an interrupt for normal EC operations. Thus, configure it as
+ * GPIO_INT_BOTH with wake on low-to-high edge using GPIO_HIB_WAKE_HIGH so that
+ * PSL common code can configure PSL_IN correctly.
+ *
+ * Use the rising edge to wake EC up. If we chose the falling edge, it would
+ * still wake EC up, but EC is in an intermediate state until the signal goes
+ * back to high.
+ */
+GPIO(EC_RST_ODL, PIN(0, 2), GPIO_INT_BOTH | GPIO_HIB_WAKE_HIGH) /* Wake source: EC reset */
+GPIO(EC_ENTERING_RW, PIN(E, 1), GPIO_OUT_LOW) /* Indicate when EC is entering RW code */
+GPIO(EC_BATT_PRES_ODL, PIN(E, 5), GPIO_INPUT) /* Battery Present */
+
+/* PMIC/AP 1.8V */
+GPIO(PM845_RESIN_L, PIN(3, 2), GPIO_ODR_HIGH | GPIO_SEL_1P8V) /* PMIC reset trigger */
+GPIO(PMIC_KPD_PWR_ODL, PIN(D, 6), GPIO_ODR_HIGH | GPIO_SEL_1P8V) /* PMIC power button */
+GPIO(EC_INT_L, PIN(A, 2), GPIO_ODR_HIGH) /* Interrupt line between AP and EC */
+GPIO(QSIP_ON, PIN(5, 0), GPIO_OUT_LOW) /* Not used, for non-switchcap testing */
+
+/* Power enables */
+GPIO(SWITCHCAP_ON, PIN(D, 5), GPIO_OUT_LOW) /* Enable switch cap; will be configured in the board init */
+/* TODO(waihong): Remove it. The VBOB switch is for backup. */
+GPIO(VBOB_EN, PIN(D, 3), GPIO_OUT_LOW) /* Enable VBOB */
+GPIO(EN_PP3300_A, PIN(A, 6), GPIO_OUT_LOW) /* Enable PP3300 */
+GPIO(EN_PP5000_A, PIN(6, 7), GPIO_OUT_LOW) /* Enable PP5000 */
+GPIO(EC_BL_DISABLE_L, PIN(B, 6), GPIO_OUT_LOW) /* Backlight disable signal from EC */
+
+/* Sensors */
+GPIO(LID_ACCEL_INT_L, PIN(5, 6), GPIO_INPUT) /* Lid accel sensor interrupt */
+/* Control the gate for trackpad IRQ. High closes the gate.
+ * This is always set low so that the OS can manage the trackpad. */
+GPIO(TRACKPAD_INT_GATE, PIN(7, 4), GPIO_OUT_LOW)
+
+/* USB-C */
+GPIO(USB_C0_PD_RST_L, PIN(F, 1), GPIO_ODR_HIGH) /* Port-0 TCPC chip reset, actaully Open-Drain */
+GPIO(USB_C1_PD_RST_L, PIN(E, 4), GPIO_ODR_HIGH) /* Port-1 TCPC chip reset, actually Open-Drain */
+GPIO(DP_MUX_OE_L, PIN(9, 6), GPIO_OUT_HIGH) /* DP mux enable */
+GPIO(DP_MUX_SEL, PIN(4, 5), GPIO_OUT_HIGH) /* DP mux selection: L:C0, H:C1 */
+GPIO(DP_HOT_PLUG_DET, PIN(9, 5), GPIO_OUT_LOW) /* DP HPD to AP */
+/* TODO(waihong): Remove it from schematic. No use. */
+GPIO(USBC_MUX_CONF0, PIN(5, 1), GPIO_INPUT)
+GPIO(USB_C0_VBUS_DET_L, PIN(6, 2), GPIO_INPUT) /* Deprecated BC1.2 VBUS detection on port-0 */
+GPIO(USB_C1_VBUS_DET_L, PIN(8, 3), GPIO_INPUT) /* Deprecated BC1.2 VBUS detection on port-1 */
+
+/* USB-A */
+GPIO(EN_USB_A_5V, PIN(8, 6), GPIO_OUT_LOW)
+GPIO(USB_A_CDP_ILIM_EN, PIN(7, 5), GPIO_OUT_HIGH) /* H: CDP, L:SDP. Only one USB-A port, always CDP */
+GPIO(USB_A0_OC_ODL, PIN(D, 1), GPIO_ODR_HIGH)
+
+/* LEDs */
+GPIO(EC_CHG_LED_Y_C1, PIN(C, 3), GPIO_OUT_LOW)
+GPIO(EC_CHG_LED_B_C1, PIN(C, 4), GPIO_OUT_LOW)
+
+/* PWM */
+GPIO(KB_BL_PWM, PIN(8, 0), GPIO_INPUT) /* PWM3 */
+GPIO(EDP_BKLTCTL, PIN(B, 7), GPIO_INPUT) /* PWM5 */
+
+/* ADC */
+GPIO(PPVAR_BOOSTIN_SENSE, PIN(4, 4), GPIO_INPUT) /* ADC1 */
+GPIO(CHARGER_IADP, PIN(4, 3), GPIO_INPUT) /* ADC2 */
+GPIO(CHARGER_PMON, PIN(4, 2), GPIO_INPUT) /* ADC3 */
+
+/* I2C */
+GPIO(EC_I2C_POWER_SCL, PIN(B, 5), GPIO_INPUT)
+GPIO(EC_I2C_POWER_SDA, PIN(B, 4), GPIO_INPUT)
+GPIO(EC_I2C_USB_C0_PD_SCL, PIN(9, 0), GPIO_INPUT)
+GPIO(EC_I2C_USB_C0_PD_SDA, PIN(8, 7), GPIO_INPUT)
+GPIO(EC_I2C_USB_C1_PD_SCL, PIN(9, 2), GPIO_INPUT)
+GPIO(EC_I2C_USB_C1_PD_SDA, PIN(9, 1), GPIO_INPUT)
+GPIO(EC_I2C_EEPROM_SCL, PIN(3, 3), GPIO_INPUT)
+GPIO(EC_I2C_EEPROM_SDA, PIN(3, 6), GPIO_INPUT)
+GPIO(EC_I2C_SENSOR_SCL, PIN(B, 3), GPIO_INPUT | GPIO_SEL_1P8V)
+GPIO(EC_I2C_SENSOR_SDA, PIN(B, 2), GPIO_INPUT | GPIO_SEL_1P8V)
+
+/* Board/SKU IDs */
+GPIO(BRD_ID0, PIN(C, 7), GPIO_INPUT)
+GPIO(BRD_ID1, PIN(9, 3), GPIO_INPUT)
+GPIO(BRD_ID2, PIN(6, 3), GPIO_INPUT)
+GPIO(SKU_ID0, PIN(F, 0), GPIO_INPUT)
+GPIO(SKU_ID1, PIN(4, 1), GPIO_INPUT)
+GPIO(SKU_ID2, PIN(D, 4), GPIO_INPUT)
+
+/* Alternate functions GPIO definitions */
+ALTERNATE(PIN_MASK(6, 0x30), 0, MODULE_UART, 0) /* UART (GPIO64/65) */
+ALTERNATE(PIN_MASK(B, 0x30), 1, MODULE_I2C, 0) /* I2C0 (GPIOB4/B5) */
+ALTERNATE(PIN_MASK(9, 0x07), 1, MODULE_I2C, 0) /* I2C1 SDA (GPIO90), I2C2 (GPIO91/92) */
+ALTERNATE(PIN_MASK(8, 0x80), 1, MODULE_I2C, 0) /* I2C1 SCL (GPIO87) */
+ALTERNATE(PIN_MASK(3, 0x48), 1, MODULE_I2C, 0) /* I2C5 (GPIO33/36) */
+ALTERNATE(PIN_MASK(B, 0x0C), 1, MODULE_I2C, GPIO_SEL_1P8V) /* I2C7 (GPIOB2/B3) - 1.8V */
+ALTERNATE(PIN_MASK(4, 0x1C), 0, MODULE_ADC, 0) /* ADC1 (GPIO44), ADC2 (GPIO43), ADC3 (GPIO42) */
+ALTERNATE(PIN_MASK(4, 0xC0), 1, MODULE_SPI, GPIO_SEL_1P8V) /* SHI_SDO (GPIO47), SHI_SDI (GPIO46) */
+ALTERNATE(PIN_MASK(5, 0x28), 1, MODULE_SPI, GPIO_SEL_1P8V) /* SHI_SCLK (GPIO55), SHI_CS# (GPIO53) */
+ALTERNATE(PIN_MASK(8, 0x01), 0, MODULE_PWM, 0) /* PWM3 (GPIO80) - KB_BL_PWM */
+ALTERNATE(PIN_MASK(B, 0x80), 1, MODULE_PWM, 0) /* PWM5 (GPIOB7) - EDP_BKLTCTL */
+ALTERNATE(PIN_MASK(D, 0x04), 1, MODULE_PMU, 0) /* PSL_IN1 (GPIOD2) - LID_OPEN_EC */
+ALTERNATE(PIN_MASK(0, 0x01), 1, MODULE_PMU, 0) /* PSL_IN2 (GPIO00) - ACOK_OD */
+ALTERNATE(PIN_MASK(0, 0x02), 1, MODULE_PMU, 0) /* PSL_IN3 (GPIO01) - EC_PWR_BTN_ODL */
+ALTERNATE(PIN_MASK(0, 0x04), 1, MODULE_PMU, 0) /* PSL_IN4 (GPIO02) - EC_RST_ODL */
+
+/* Keyboard */
+#define GPIO_KB_INPUT (GPIO_INPUT | GPIO_PULL_UP)
+#define GPIO_KB_OUTPUT (GPIO_ODR_HIGH)
+#define GPIO_KB_OUTPUT_COL2 (GPIO_OUT_LOW)
+
+/* Keyboard alternate functions */
+ALTERNATE(PIN_MASK(0, 0xE0), 0, MODULE_KEYBOARD_SCAN, GPIO_KB_OUTPUT) /* KSO10 (GPIO07), KSO11 (GPIO06), KSO12 (GPIO05) */
+ALTERNATE(PIN_MASK(1, 0x7F), 0, MODULE_KEYBOARD_SCAN, GPIO_KB_OUTPUT) /* KSO03 (GPIO16), KSO04 (GPIO15), KSO05 (GPIO14), KSO06 (GPIO13), KSO07 (GPIO12), KSO08 (GPIO11), KSO09 (GPIO10) */
+ALTERNATE(PIN_MASK(2, 0x03), 0, MODULE_KEYBOARD_SCAN, GPIO_KB_OUTPUT) /* KSO00 (GPIO21), KSO01 (GPIO20) */
+ALTERNATE(PIN_MASK(2, 0xFC), 0, MODULE_KEYBOARD_SCAN, GPIO_KB_INPUT) /* KSI2 (GPIO27), KSI3 (GPIO26), KSI4 (GPIO25), KSI5 (GPIO24), KSI6 (GPIO23), KSI7 (GPIO22) */
+ALTERNATE(PIN_MASK(3, 0x03), 0, MODULE_KEYBOARD_SCAN, GPIO_KB_INPUT) /* KSI0 (GPIO31), KSI1 (GPIO30) */
+GPIO(EC_KSO_02_INV, PIN(1, 7), GPIO_KB_OUTPUT_COL2) /* KSO02 (GPIO17) */
diff --git a/board/coachz/led.c b/board/coachz/led.c
new file mode 100644
index 0000000000..f9c91c1c6a
--- /dev/null
+++ b/board/coachz/led.c
@@ -0,0 +1,155 @@
+/* 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.
+ *
+ * Power and battery LED control.
+ */
+
+#include "battery.h"
+#include "charge_manager.h"
+#include "charge_state.h"
+#include "chipset.h"
+#include "ec_commands.h"
+#include "gpio.h"
+#include "hooks.h"
+#include "host_command.h"
+#include "led_common.h"
+#include "system.h"
+#include "util.h"
+
+#define LED_ONE_SEC (1000 / HOOK_TICK_INTERVAL_MS)
+
+#define BAT_LED_ON 1
+#define BAT_LED_OFF 0
+
+const enum ec_led_id supported_led_ids[] = {
+ EC_LED_ID_BATTERY_LED,
+};
+
+const int supported_led_ids_count = ARRAY_SIZE(supported_led_ids);
+
+enum led_color {
+ LED_OFF = 0,
+ LED_AMBER,
+ LED_BLUE,
+ LED_COLOR_COUNT /* Number of colors, not a color itself */
+};
+
+static void led_set_color(enum led_color color)
+{
+ gpio_set_level(GPIO_EC_CHG_LED_Y_C1,
+ (color == LED_AMBER) ? BAT_LED_ON : BAT_LED_OFF);
+ gpio_set_level(GPIO_EC_CHG_LED_B_C1,
+ (color == LED_BLUE) ? BAT_LED_ON : BAT_LED_OFF);
+}
+
+void led_get_brightness_range(enum ec_led_id led_id, uint8_t *brightness_range)
+{
+ brightness_range[EC_LED_COLOR_AMBER] = 1;
+ brightness_range[EC_LED_COLOR_BLUE] = 1;
+}
+
+int led_set_brightness(enum ec_led_id led_id, const uint8_t *brightness)
+{
+ if (brightness[EC_LED_COLOR_BLUE] != 0)
+ led_set_color(LED_BLUE);
+ else if (brightness[EC_LED_COLOR_AMBER] != 0)
+ led_set_color(LED_AMBER);
+ else
+ led_set_color(LED_OFF);
+
+ return EC_SUCCESS;
+}
+
+static void board_led_set_battery(void)
+{
+ static int battery_ticks;
+ int color = LED_OFF;
+ int period = 0;
+ uint32_t chflags = charge_get_flags();
+
+ battery_ticks++;
+
+ switch (charge_get_state()) {
+ case PWR_STATE_CHARGE:
+ /* Always indicate amber on when charging. */
+ color = LED_AMBER;
+ break;
+ case PWR_STATE_DISCHARGE:
+ if (chipset_in_state(CHIPSET_STATE_ANY_SUSPEND)) {
+ /* Discharging in S3: Amber 1 sec, off 3 sec */
+ period = (1 + 3) * LED_ONE_SEC;
+ battery_ticks = battery_ticks % period;
+ if (battery_ticks < 1 * LED_ONE_SEC)
+ color = LED_AMBER;
+ else
+ color = LED_OFF;
+ } else if (chipset_in_state(CHIPSET_STATE_ANY_OFF)) {
+ /* Discharging in S5: off */
+ color = LED_OFF;
+ } else if (chipset_in_state(CHIPSET_STATE_ON)) {
+ /* Discharging in S0: Blue on */
+ color = LED_BLUE;
+ }
+ break;
+ case PWR_STATE_ERROR:
+ /* Battery error: Amber 1 sec, off 1 sec */
+ period = (1 + 1) * LED_ONE_SEC;
+ battery_ticks = battery_ticks % period;
+ if (battery_ticks < 1 * LED_ONE_SEC)
+ color = LED_AMBER;
+ else
+ color = LED_OFF;
+ break;
+ case PWR_STATE_CHARGE_NEAR_FULL:
+ /* Full Charged: Blue on */
+ color = LED_BLUE;
+ break;
+ case PWR_STATE_IDLE: /* External power connected in IDLE */
+ if (chflags & CHARGE_FLAG_FORCE_IDLE) {
+ /* Factory mode: Blue 2 sec, Amber 2 sec */
+ period = (2 + 2) * LED_ONE_SEC;
+ battery_ticks = battery_ticks % period;
+ if (battery_ticks < 2 * LED_ONE_SEC)
+ color = LED_BLUE;
+ else
+ color = LED_AMBER;
+ } else
+ color = LED_BLUE;
+ break;
+ default:
+ /* Other states don't alter LED behavior */
+ break;
+ }
+
+ led_set_color(color);
+}
+
+/* Called by hook task every TICK */
+static void led_tick(void)
+{
+ if (led_auto_control_is_enabled(EC_LED_ID_BATTERY_LED))
+ board_led_set_battery();
+}
+DECLARE_HOOK(HOOK_TICK, led_tick, HOOK_PRIO_DEFAULT);
+
+void led_control(enum ec_led_id led_id, enum ec_led_state state)
+{
+ enum led_color color;
+
+ 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_auto_control(EC_LED_ID_BATTERY_LED, 1);
+ board_led_set_battery();
+ return;
+ }
+
+ color = state ? LED_BLUE : LED_OFF;
+
+ led_auto_control(EC_LED_ID_BATTERY_LED, 0);
+
+ led_set_color(color);
+}