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| author | Rob Barnes <robbarnes@google.com> | 2020-12-14 12:49:25 -0700 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2020-12-17 04:11:01 +0000 |
| commit | 87b36903a7906d93f42558ddf9ca5406e7bcfa40 (patch) | |
| tree | 6e407ad3d05e0e2b16363d7ef4a1137b2d1facb1 /baseboard | |
| parent | 5003532c49588983d235f7ffcb6c59a53c965378 (diff) | |
| download | chrome-ec-87b36903a7906d93f42558ddf9ca5406e7bcfa40.tar.gz | |
guybrush: I2C port map
Add i2c port map for guybrush.
BUG=b:175593988
TEST=Build
BRANCH=None
Signed-off-by: Rob Barnes <robbarnes@google.com>
Change-Id: Ie78b0fa5d79c4add1776ddcb8a0ee14ec8b1618f
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2590564
Reviewed-by: Diana Z <dzigterman@chromium.org>
Reviewed-by: Denis Brockus <dbrockus@chromium.org>
Diffstat (limited to 'baseboard')
| -rw-r--r-- | baseboard/guybrush/baseboard.c | 78 | ||||
| -rw-r--r-- | baseboard/guybrush/baseboard.h | 14 |
2 files changed, 92 insertions, 0 deletions
diff --git a/baseboard/guybrush/baseboard.c b/baseboard/guybrush/baseboard.c index 0abaf54ad3..cd07a044fc 100644 --- a/baseboard/guybrush/baseboard.c +++ b/baseboard/guybrush/baseboard.c @@ -5,7 +5,9 @@ /* Guybrush family-specific configuration */ +#include "chipset.h" #include "gpio.h" +#include "i2c.h" #include "power.h" /* Wake Sources */ @@ -46,6 +48,82 @@ const struct power_signal_info power_signal_list[] = { }; BUILD_ASSERT(ARRAY_SIZE(power_signal_list) == POWER_SIGNAL_COUNT); +const struct i2c_port_t i2c_ports[] = { + { + .name = "tcpc0", + .port = I2C_PORT_TCPC0, + .kbps = 400, + .scl = GPIO_EC_I2C_USB_A0_C0_SCL, + .sda = GPIO_EC_I2C_USB_A0_C0_SDA, + }, + { + .name = "tcpc1", + .port = I2C_PORT_TCPC1, + .kbps = 400, + .scl = GPIO_EC_I2C_USB_A1_C1_SCL, + .sda = GPIO_EC_I2C_USB_A1_C1_SDA, + }, + { + .name = "battery", + .port = I2C_PORT_BATTERY, + .kbps = 100, + .scl = GPIO_EC_I2C_BATT_SCL, + .sda = GPIO_EC_I2C_BATT_SDA, + }, + { + .name = "usb_mux", + .port = I2C_PORT_USB_MUX, + .kbps = 400, + .scl = GPIO_EC_I2C_USBC_MUX_SCL, + .sda = GPIO_EC_I2C_USBC_MUX_SDA, + }, + { + .name = "charger", + .port = I2C_PORT_CHARGER, + .kbps = 400, + .scl = GPIO_EC_I2C_POWER_SCL, + .sda = GPIO_EC_I2C_POWER_SDA, + }, + { + .name = "eeprom", + .port = I2C_PORT_EEPROM, + .kbps = 400, + .scl = GPIO_EC_I2C_CBI_SCL, + .sda = GPIO_EC_I2C_CBI_SDA, + }, + { + .name = "sensor", + .port = I2C_PORT_SENSOR, + .kbps = 400, + .scl = GPIO_EC_I2C_SENSOR_SCL, + .sda = GPIO_EC_I2C_SENSOR_SDA, + }, + { + .name = "soc_thermal", + .port = I2C_PORT_SOC_THERMAL, + .kbps = 400, + .scl = GPIO_EC_I2C_SOC_SIC, + .sda = GPIO_EC_I2C_SOC_SID, + }, +}; +const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports); + +int board_is_i2c_port_powered(int port) +{ + switch (port) { + case I2C_PORT_USB_MUX: + case I2C_PORT_SENSOR: + /* USB mux and sensor i2c bus is unpowered in Z1 */ + return chipset_in_state(CHIPSET_STATE_HARD_OFF) ? 0 : 1; + case I2C_PORT_SOC_THERMAL: + /* SOC thermal i2c bus is unpowered in S0i3/S3/S5/Z1 */ + return chipset_in_state(CHIPSET_STATE_ANY_OFF | + CHIPSET_STATE_ANY_SUSPEND) ? 0 : 1; + default: + return 1; + } +} + void sbu_fault_interrupt(enum ioex_signal signal) { /* TODO */ diff --git a/baseboard/guybrush/baseboard.h b/baseboard/guybrush/baseboard.h index 9d8131c4ea..86e00d26ef 100644 --- a/baseboard/guybrush/baseboard.h +++ b/baseboard/guybrush/baseboard.h @@ -78,6 +78,20 @@ /* BC 1.2 */ /* I2C Bus Configuration */ +#define CONFIG_I2C +#define CONFIG_I2C_BUS_MAY_BE_UNPOWERED +#define CONFIG_I2C_CONTROLLER +#define CONFIG_I2C_UPDATE_IF_CHANGED +#define I2C_PORT_TCPC0 NPCX_I2C_PORT0_0 +#define I2C_PORT_TCPC1 NPCX_I2C_PORT1_0 +#define I2C_PORT_BATTERY NPCX_I2C_PORT2_0 +#define I2C_PORT_USB_MUX NPCX_I2C_PORT3_0 +#define I2C_PORT_POWER NPCX_I2C_PORT4_1 +#define I2C_PORT_CHARGER I2C_PORT_POWER +#define I2C_PORT_EEPROM NPCX_I2C_PORT5_0 +#define I2C_PORT_SENSOR NPCX_I2C_PORT6_1 +#define I2C_PORT_SOC_THERMAL NPCX_I2C_PORT7_0 +#define I2C_ADDR_EEPROM_FLAGS 0x50 /* Volume Button Config */ #define CONFIG_VOLUME_BUTTONS |