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author | Paul Ma <magf@bitland.corp-partner.google.com> | 2019-08-13 16:30:40 +0800 |
---|---|---|
committer | Commit Bot <commit-bot@chromium.org> | 2019-08-21 05:46:32 +0000 |
commit | 0e894c6d4ae0426c9690a763a4ccd910226b5973 (patch) | |
tree | 6676b7bb73e22555d64fb1abedc04a35cd8ba6f9 /baseboard/grunt | |
parent | 8df548726b24536acdefd00c73cee5dd282d4cef (diff) | |
download | chrome-ec-0e894c6d4ae0426c9690a763a4ccd910226b5973.tar.gz |
Grunt/Treeya: Add ANX3447 variant for TCPC 0.
Merge common TCPC code into baseboard, and add choice of ANX3429 or
ANX3447 for port 0 TCPC.
Treeya uses ANX3447, all others use ANX3429.
BUG=b:138744661
BRANCH=none
TEST=build -j BOARD=treeya
Change-Id: I66f84ae50be0b5fe80479dfdc699717427e4457c
Signed-off-by: Paul Ma <magf@bitland.corp-partner.google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1751302
Reviewed-by: Jett Rink <jettrink@chromium.org>
Reviewed-by: Martin Roth <martinroth@chromium.org>
Tested-by: Martin Roth <martinroth@chromium.org>
Commit-Queue: Martin Roth <martinroth@chromium.org>
Diffstat (limited to 'baseboard/grunt')
-rw-r--r-- | baseboard/grunt/baseboard.c | 185 | ||||
-rw-r--r-- | baseboard/grunt/baseboard.h | 11 |
2 files changed, 195 insertions, 1 deletions
diff --git a/baseboard/grunt/baseboard.c b/baseboard/grunt/baseboard.c index 831fed4300..d0248acef5 100644 --- a/baseboard/grunt/baseboard.c +++ b/baseboard/grunt/baseboard.c @@ -20,6 +20,7 @@ #include "driver/accelgyro_bmi160.h" #include "driver/bc12/max14637.h" #include "driver/ppc/sn5s330.h" +#include "driver/tcpm/anx7447.h" #include "driver/tcpm/anx74xx.h" #include "driver/tcpm/ps8xxx.h" #include "driver/temp_sensor/sb_tsi.h" @@ -78,6 +79,7 @@ const struct power_signal_info power_signal_list[] = { BUILD_ASSERT(ARRAY_SIZE(power_signal_list) == POWER_SIGNAL_COUNT); const struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_COUNT] = { +#ifdef VARIANT_GRUNT_TCPC_0_ANX3429 [USB_PD_PORT_ANX74XX] = { .bus_type = EC_BUS_TYPE_I2C, .i2c_info = { @@ -88,6 +90,18 @@ const struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_COUNT] = { /* Alert is active-low, open-drain */ .flags = TCPC_FLAGS_ALERT_OD, }, +#elif defined(VARIANT_GRUNT_TCPC_0_ANX3447) + [USB_PD_PORT_ANX74XX] = { + .bus_type = EC_BUS_TYPE_I2C, + .i2c_info = { + .port = I2C_PORT_TCPC0, + .addr_flags = AN7447_TCPC0_I2C_ADDR_FLAGS, + }, + .drv = &anx7447_tcpm_drv, + /* Alert is active-low, push-pull */ + .flags = 0, + }, +#endif [USB_PD_PORT_PS8751] = { .bus_type = EC_BUS_TYPE_I2C, .i2c_info = { @@ -118,15 +132,166 @@ void tcpc_alert_event(enum gpio_signal signal) schedule_deferred_pd_interrupt(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 VARIANT_GRUNT_TCPC_0_ANX3429 + /* 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)) { +#ifdef VARIANT_GRUNT_TCPC_0_ANX3429 + if (gpio_get_level(GPIO_USB_C0_PD_RST_L)) +#elif defined(VARIANT_GRUNT_TCPC_0_ANX3447) + if (!gpio_get_level(GPIO_USB_C0_PD_RST)) +#endif + 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; +} + +#ifdef VARIANT_GRUNT_TCPC_0_ANX3429 +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)); +} + +/** + * 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; + } +} +#endif /* VARIANT_GRUNT_TCPC_0_ANX3429 */ + +void board_reset_pd_mcu(void) +{ +#ifdef VARIANT_GRUNT_TCPC_0_ANX3429 + /* 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); +#elif defined(VARIANT_GRUNT_TCPC_0_ANX3447) + /* Assert reset to TCPC0 (anx3447) */ + gpio_set_level(GPIO_USB_C0_PD_RST, 1); + msleep(ANX74XX_RESET_HOLD_MS); + gpio_set_level(GPIO_USB_C0_PD_RST, 0); + msleep(ANX74XX_RESET_FINISH_MS); + + /* Assert reset to TCPC1 (ps8751) */ + gpio_set_level(GPIO_USB_C1_PD_RST_L, 0); + msleep(PS8XXX_RESET_DELAY_MS); + gpio_set_level(GPIO_USB_C1_PD_RST_L, 1); +#endif +} + struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_COUNT] = { +#ifdef VARIANT_GRUNT_TCPC_0_ANX3429 [USB_PD_PORT_ANX74XX] = { .driver = &anx74xx_tcpm_usb_mux_driver, .hpd_update = &anx74xx_tcpc_update_hpd_status, }, +#elif defined(VARIANT_GRUNT_TCPC_0_ANX3447) + [USB_PD_PORT_ANX74XX] = { + .driver = &anx7447_usb_mux_driver, + .hpd_update = &anx7447_tcpc_update_hpd_status, + }, +#endif [USB_PD_PORT_PS8751] = { .driver = &tcpci_tcpm_usb_mux_driver, .hpd_update = &ps8xxx_tcpc_update_hpd_status, - /* TODO(ecgh): ps8751_tune_mux needed? */ } }; @@ -144,6 +309,13 @@ struct ppc_config_t ppc_chips[] = { }; unsigned int ppc_cnt = ARRAY_SIZE(ppc_chips); +void ppc_interrupt(enum gpio_signal signal) +{ + int port = (signal == GPIO_USB_C0_SWCTL_INT_ODL) ? 0 : 1; + + sn5s330_interrupt(port); +} + int ppc_get_alert_status(int port) { if (port == 0) @@ -152,6 +324,17 @@ int ppc_get_alert_status(int port) return gpio_get_level(GPIO_USB_C1_SWCTL_INT_ODL) == 0; } +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); +} /* BC 1.2 chip Configuration */ const struct max14637_config_t max14637_config[CONFIG_USB_PD_PORT_COUNT] = { diff --git a/baseboard/grunt/baseboard.h b/baseboard/grunt/baseboard.h index 89345b09f9..ceff4d6e71 100644 --- a/baseboard/grunt/baseboard.h +++ b/baseboard/grunt/baseboard.h @@ -8,6 +8,11 @@ #ifndef __CROS_EC_BASEBOARD_H #define __CROS_EC_BASEBOARD_H +#if (defined(VARIANT_GRUNT_TCPC_0_ANX3429) \ + + defined(VARIANT_GRUNT_TCPC_0_ANX3447)) != 1 +#error Must choose VARIANT_GRUNT_TCPC_0_ANX3429 or VARIANT_GRUNT_TCPC_0_ANX3447 +#endif + /* NPCX7 config */ #define NPCX_UART_MODULE2 1 /* GPIO64/65 are used as UART pins. */ #define NPCX_TACH_SEL2 0 /* No tach. */ @@ -115,7 +120,11 @@ #define CONFIG_USB_PD_LOGGING #define CONFIG_USB_PD_PORT_COUNT 2 #define CONFIG_USB_PD_TCPC_LOW_POWER +#ifdef VARIANT_GRUNT_TCPC_0_ANX3429 #define CONFIG_USB_PD_TCPM_ANX3429 +#elif defined(VARIANT_GRUNT_TCPC_0_ANX3447) +#define CONFIG_USB_PD_TCPM_ANX7447 +#endif #define CONFIG_USB_PD_TCPM_MUX #define CONFIG_USB_PD_TCPM_PS8751 #define CONFIG_USB_PD_TCPM_TCPCI @@ -246,6 +255,8 @@ void board_reset_pd_mcu(void); /* Common definition for the USB PD interrupt handlers. */ void tcpc_alert_event(enum gpio_signal signal); +void ppc_interrupt(enum gpio_signal signal); +void anx74xx_cable_det_interrupt(enum gpio_signal signal); int board_get_version(void); int board_is_convertible(void); |