diff options
| -rw-r--r-- | board/taeko/gpio.inc | 2 | ||||
| -rw-r--r-- | board/taeko/usbc_config.c | 16 |
2 files changed, 16 insertions, 2 deletions
diff --git a/board/taeko/gpio.inc b/board/taeko/gpio.inc index d07d51f16e..583efc308c 100644 --- a/board/taeko/gpio.inc +++ b/board/taeko/gpio.inc @@ -73,7 +73,7 @@ GPIO(SYS_RST_ODL, PIN(C, 5), GPIO_ODR_HIGH) GPIO(USB_C0_TCPC_RST_ODL, PIN(A, 7), GPIO_ODR_LOW) GPIO(USB_C1_FRS_EN, PIN(9, 4), GPIO_OUT_LOW) GPIO(USB_C1_RT_INT_ODL, PIN(A, 0), GPIO_INPUT) -GPIO(USB_C1_RT_RST_R_ODL, PIN(0, 2), GPIO_ODR_LOW) +GPIO(USB_C1_RT_RST_R_ODL, PIN(0, 2), GPIO_ODR_HIGH) GPIO(VCCST_PWRGD_OD, PIN(A, 4), GPIO_ODR_LOW) /* UART alternate functions */ diff --git a/board/taeko/usbc_config.c b/board/taeko/usbc_config.c index c8e02581be..aaf3fcbf5c 100644 --- a/board/taeko/usbc_config.c +++ b/board/taeko/usbc_config.c @@ -6,6 +6,7 @@ #include <stdint.h> #include <stdbool.h> +#include "battery.h" #include "common.h" #include "compile_time_macros.h" #include "console.h" @@ -168,6 +169,11 @@ static void ps8815_reset(void) if (i2c_read8(I2C_PORT_USB_C1_TCPC, PS8751_I2C_ADDR1_FLAGS, 0x0f, &val) == EC_SUCCESS) CPRINTS("ps8815: reg 0x0f was %02x", val); + else { + CPRINTS("delay 10ms to make sure PS8815 is waken from idle"); + msleep(10); + } + if (i2c_write8(I2C_PORT_USB_C1_TCPC, PS8751_I2C_ADDR1_FLAGS, 0x0f, 0x31) == EC_SUCCESS) @@ -235,7 +241,15 @@ void board_reset_pd_mcu(void) */ gpio_set_level(GPIO_USB_C0_TCPC_RST_ODL, 0); - gpio_set_level(GPIO_USB_C1_RT_RST_R_ODL, 0); + + /* + * (b/202489681): Nx20p3483 cannot sink power after reset ec + * To avoid nx20p3483 cannot sink power after reset ec w/ AC + * only in TCPC1 port, EC shouldn't assert GPIO_USB_C1_RT_RST_R_ODL + * if no battery. + */ + if (battery_hw_present()) + gpio_set_level(GPIO_USB_C1_RT_RST_R_ODL, 0); /* * delay for power-on to reset-off and min. assertion time |