diff options
Diffstat (limited to 'board/trembyle/board.c')
-rw-r--r-- | board/trembyle/board.c | 249 |
1 files changed, 249 insertions, 0 deletions
diff --git a/board/trembyle/board.c b/board/trembyle/board.c new file mode 100644 index 0000000000..879fc2d945 --- /dev/null +++ b/board/trembyle/board.c @@ -0,0 +1,249 @@ +/* Copyright 2019 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. + */ + +/* Zork board-specific configuration */ + +#include "adc.h" +#include "adc_chip.h" +#include "button.h" +#include "charge_manager.h" +#include "charge_state.h" +#include "charge_state_v2.h" +#include "common.h" +#include "compile_time_macros.h" +#include "console.h" +#include "driver/accel_kionix.h" +#include "driver/accel_kx022.h" +#include "driver/accelgyro_bmi160.h" +#include "driver/led/lm3630a.h" +#include "driver/ppc/sn5s330.h" +#include "driver/tcpm/anx74xx.h" +#include "driver/tcpm/ps8xxx.h" +#include "driver/temp_sensor/sb_tsi.h" +#include "ec_commands.h" +#include "extpower.h" +#include "gpio.h" +#include "hooks.h" +#include "i2c.h" +#include "keyboard_scan.h" +#include "lid_switch.h" +#include "motion_sense.h" +#include "power.h" +#include "power_button.h" +#include "pwm.h" +#include "pwm_chip.h" +#include "registers.h" +#include "switch.h" +#include "system.h" +#include "task.h" +#include "tcpci.h" +#include "temp_sensor.h" +#include "thermistor.h" +#include "usb_mux.h" +#include "usb_pd_tcpm.h" +#include "usbc_ppc.h" +#include "util.h" + +#define CPRINTS(format, args...) cprints(CC_USBCHARGE, format, ## args) +#define CPRINTF(format, args...) cprintf(CC_USBCHARGE, format, ## args) + +#ifdef CONFIG_USB_PD_TCPC_LOW_POWER +static void anx74xx_cable_det_handler(void) +{ + int cable_det = gpio_get_level(GPIO_USB_C0_CABLE_DET); + int reset_n = gpio_get_level(GPIO_USB_C0_PD_RST_L); + + /* + * A cable_det low->high transition was detected. If following the + * debounce time, cable_det is high, and reset_n is low, then ANX3429 is + * currently in standby mode and needs to be woken up. Set the + * TCPC_RESET event which will bring the ANX3429 out of standby + * mode. Setting this event is gated on reset_n being low because the + * ANX3429 will always set cable_det when transitioning to normal mode + * and if in normal mode, then there is no need to trigger a tcpc reset. + */ + if (cable_det && !reset_n) + task_set_event(TASK_ID_PD_C0, PD_EVENT_TCPC_RESET, 0); +} +DECLARE_DEFERRED(anx74xx_cable_det_handler); + +void anx74xx_cable_det_interrupt(enum gpio_signal signal) +{ + /* debounce for 2 msec */ + hook_call_deferred(&anx74xx_cable_det_handler_data, (2 * MSEC)); +} +#endif + +static void ppc_interrupt(enum gpio_signal signal) +{ + int port = (signal == GPIO_USB_C0_SWCTL_INT_ODL) ? 0 : 1; + + sn5s330_interrupt(port); +} + +#include "gpio_list.h" + +/* I2C port map. */ +const struct i2c_port_t i2c_ports[] = { + {"power", I2C_PORT_POWER, 100, GPIO_I2C0_SCL, GPIO_I2C0_SDA}, + {"tcpc0", I2C_PORT_TCPC0, 400, GPIO_I2C1_SCL, GPIO_I2C1_SDA}, + {"tcpc1", I2C_PORT_TCPC1, 400, GPIO_I2C2_SCL, GPIO_I2C2_SDA}, + {"thermal", I2C_PORT_THERMAL, 400, GPIO_I2C3_SCL, GPIO_I2C3_SDA}, + {"kblight", I2C_PORT_KBLIGHT, 100, GPIO_I2C5_SCL, GPIO_I2C5_SDA}, + {"sensor", I2C_PORT_SENSOR, 400, GPIO_I2C7_SCL, GPIO_I2C7_SDA}, +}; +const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports); + +/* PWM channels. Must be in the exactly same order as in enum pwm_channel. */ +const struct pwm_t pwm_channels[] = { + [PWM_CH_KBLIGHT] = { + .channel = 5, + .flags = PWM_CONFIG_DSLEEP, + .freq = 100, + }, + [PWM_CH_LED1_AMBER] = { + .channel = 0, + .flags = (PWM_CONFIG_OPEN_DRAIN | PWM_CONFIG_ACTIVE_LOW + | PWM_CONFIG_DSLEEP), + .freq = 100, + }, + [PWM_CH_LED2_BLUE] = { + .channel = 2, + .flags = (PWM_CONFIG_OPEN_DRAIN | PWM_CONFIG_ACTIVE_LOW + | PWM_CONFIG_DSLEEP), + .freq = 100, + }, +}; +BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT); + +void board_update_sensor_config_from_sku(void) +{ + /* Enable Gyro interrupts */ + gpio_enable_interrupt(GPIO_6AXIS_INT_L); +} + +void board_overcurrent_event(int port, int is_overcurrented) +{ + enum gpio_signal signal = (port == 0) ? GPIO_USB_C0_OC_L + : GPIO_USB_C1_OC_L; + /* Note that the levels are inverted because the pin is active low. */ + int lvl = is_overcurrented ? 0 : 1; + + gpio_set_level(signal, lvl); + + CPRINTS("p%d: overcurrent!", port); +} + +void board_tcpc_init(void) +{ + int port; + + /* Only reset TCPC if not sysjump */ + if (!system_jumped_to_this_image()) + board_reset_pd_mcu(); + + /* Enable PPC interrupts. */ + gpio_enable_interrupt(GPIO_USB_C0_SWCTL_INT_ODL); + gpio_enable_interrupt(GPIO_USB_C1_SWCTL_INT_ODL); + + /* Enable TCPC interrupts. */ + gpio_enable_interrupt(GPIO_USB_C0_PD_INT_ODL); + gpio_enable_interrupt(GPIO_USB_C1_PD_INT_ODL); + +#ifdef CONFIG_USB_PD_TCPC_LOW_POWER + /* Enable CABLE_DET interrupt for ANX3429 wake from standby */ + gpio_enable_interrupt(GPIO_USB_C0_CABLE_DET); +#endif + /* + * Initialize HPD to low; after sysjump SOC needs to see + * HPD pulse to enable video path + */ + for (port = 0; port < CONFIG_USB_PD_PORT_COUNT; port++) { + const struct usb_mux *mux = &usb_muxes[port]; + + mux->hpd_update(port, 0, 0); + } +} +DECLARE_HOOK(HOOK_INIT, board_tcpc_init, HOOK_PRIO_INIT_I2C + 1); + +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; +} + +/** + * Power on (or off) a single TCPC. + * minimum on/off delays are included. + * + * @param port Port number of TCPC. + * @param mode 0: power off, 1: power on. + */ +void board_set_tcpc_power_mode(int port, int mode) +{ + if (port != USB_PD_PORT_ANX74XX) + return; + + switch (mode) { + case ANX74XX_NORMAL_MODE: + gpio_set_level(GPIO_EN_USB_C0_TCPC_PWR, 1); + msleep(ANX74XX_PWR_H_RST_H_DELAY_MS); + gpio_set_level(GPIO_USB_C0_PD_RST_L, 1); + break; + case ANX74XX_STANDBY_MODE: + gpio_set_level(GPIO_USB_C0_PD_RST_L, 0); + msleep(ANX74XX_RST_L_PWR_L_DELAY_MS); + gpio_set_level(GPIO_EN_USB_C0_TCPC_PWR, 0); + msleep(ANX74XX_PWR_L_PWR_H_DELAY_MS); + break; + default: + break; + } +} + +void board_reset_pd_mcu(void) +{ + /* Assert reset to TCPC1 (ps8751) */ + gpio_set_level(GPIO_USB_C1_PD_RST_L, 0); + + /* Assert reset to TCPC0 (anx3429) */ + gpio_set_level(GPIO_USB_C0_PD_RST_L, 0); + + /* TCPC1 (ps8751) requires 1ms reset down assertion */ + msleep(MAX(1, ANX74XX_RST_L_PWR_L_DELAY_MS)); + + /* Deassert reset to TCPC1 */ + gpio_set_level(GPIO_USB_C1_PD_RST_L, 1); + /* Disable TCPC0 power */ + gpio_set_level(GPIO_EN_USB_C0_TCPC_PWR, 0); + + /* + * anx3429 requires 10ms reset/power down assertion + */ + msleep(ANX74XX_PWR_L_PWR_H_DELAY_MS); + board_set_tcpc_power_mode(USB_PD_PORT_ANX74XX, 1); +} + +static void board_kblight_init(void) +{ + /* + * Enable keyboard backlight. This needs to be done here because + * the chip doesn't have power until PP3300_S0 comes up. + */ + gpio_set_level(GPIO_KB_BL_EN, 1); + lm3630a_poweron(); +} +DECLARE_HOOK(HOOK_CHIPSET_RESUME, board_kblight_init, HOOK_PRIO_DEFAULT); |