diff options
Diffstat (limited to 'board/poppy/board.c')
| -rw-r--r-- | board/poppy/board.c | 31 |
1 files changed, 19 insertions, 12 deletions
diff --git a/board/poppy/board.c b/board/poppy/board.c index 717439c620..8dd6a45b11 100644 --- a/board/poppy/board.c +++ b/board/poppy/board.c @@ -55,6 +55,8 @@ #define CPRINTS(format, args...) cprints(CC_USBCHARGE, format, ## args) #define CPRINTF(format, args...) cprintf(CC_USBCHARGE, format, ## args) +#define USB_PD_PORT_ANX74XX 0 + static void tcpc_alert_event(enum gpio_signal signal) { if ((signal == GPIO_USB_C0_PD_INT_ODL) && @@ -342,20 +344,27 @@ struct pi3usb9281_config pi3usb9281_chips[] = { BUILD_ASSERT(ARRAY_SIZE(pi3usb9281_chips) == CONFIG_USB_SWITCH_PI3USB9281_CHIP_COUNT); -/* called from anx74xx_set_power_mode() */ +/** + * 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 != 0) + if (port != USB_PD_PORT_ANX74XX) return; if (mode) { gpio_set_level(GPIO_USB_C0_TCPC_PWR, 1); - msleep(10); + msleep(ANX74XX_PWR_H_RST_H_DELAY_MS); gpio_set_level(GPIO_USB_C0_PD_RST_L, 1); } else { gpio_set_level(GPIO_USB_C0_PD_RST_L, 0); - msleep(1); + msleep(ANX74XX_RST_L_PWR_L_DELAY_MS); gpio_set_level(GPIO_USB_C0_TCPC_PWR, 0); + msleep(ANX74XX_PWR_L_PWR_H_DELAY_MS); } } @@ -364,16 +373,14 @@ void board_reset_pd_mcu(void) /* Assert reset */ gpio_set_level(GPIO_USB_C0_PD_RST_L, 0); gpio_set_level(GPIO_USB_C1_PD_RST_L, 0); - msleep(1); + + msleep(MAX(1, ANX74XX_RST_L_PWR_L_DELAY_MS)); gpio_set_level(GPIO_USB_C1_PD_RST_L, 1); - /* Disable power */ + /* Disable TCPC0 (anx3429) power */ gpio_set_level(GPIO_USB_C0_TCPC_PWR, 0); - msleep(10); - /* Enable power */ - gpio_set_level(GPIO_USB_C0_TCPC_PWR, 1); - msleep(10); - /* Deassert reset */ - gpio_set_level(GPIO_USB_C0_PD_RST_L, 1); + + msleep(ANX74XX_PWR_L_PWR_H_DELAY_MS); + board_set_tcpc_power_mode(USB_PD_PORT_ANX74XX, 1); } void board_tcpc_init(void) |