diff options
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/brya/Kconfig | 2 | ||||
| -rw-r--r-- | src/mainboard/google/brya/variants/taeko/gpio.c | 8 | ||||
| -rw-r--r-- | src/mainboard/google/brya/variants/taeko/overridetree.cb | 54 |
3 files changed, 34 insertions, 30 deletions
diff --git a/src/mainboard/google/brya/Kconfig b/src/mainboard/google/brya/Kconfig index b000baf35e..ea4498abea 100644 --- a/src/mainboard/google/brya/Kconfig +++ b/src/mainboard/google/brya/Kconfig @@ -87,7 +87,7 @@ config DRIVER_TPM_I2C_BUS default 0x1 if BOARD_GOOGLE_REDRIX default 0x3 if BOARD_GOOGLE_REDRIX4ES default 0x1 if BOARD_GOOGLE_KANO - default 0x3 if BOARD_GOOGLE_TAEKO + default 0x1 if BOARD_GOOGLE_TAEKO default 0x3 if BOARD_GOOGLE_TAEKO4ES default 0x1 if BOARD_GOOGLE_FELWINTER default 0x3 if BOARD_GOOGLE_ANAHERA diff --git a/src/mainboard/google/brya/variants/taeko/gpio.c b/src/mainboard/google/brya/variants/taeko/gpio.c index aa778fc9f2..a390604669 100644 --- a/src/mainboard/google/brya/variants/taeko/gpio.c +++ b/src/mainboard/google/brya/variants/taeko/gpio.c @@ -140,10 +140,6 @@ static const struct pad_config override_gpio_table[] = { static const struct pad_config early_gpio_table[] = { /* A13 : PMC_I2C_SCL ==> GSC_PCH_INT_ODL */ PAD_CFG_GPI_APIC(GPP_A13, NONE, PLTRST, LEVEL, INVERT), - /* B7 : ISH_12C1_SDA ==> PCH_I2C_TPM_SDA */ - PAD_CFG_NF(GPP_B7, NONE, DEEP, NF2), - /* B8 : ISH_12C1_SCL ==> PCH_I2C_TPM_SCL */ - PAD_CFG_NF(GPP_B8, NONE, DEEP, NF2), /* * D1 : ISH_GP1 ==> FP_RST_ODL * FP_RST_ODL comes out of reset as hi-z and does not have an external pull-down. @@ -163,6 +159,10 @@ static const struct pad_config early_gpio_table[] = { PAD_CFG_GPI_GPIO_DRIVER(GPP_E15, NONE, DEEP), /* F18 : THC1_SPI2_INT# ==> EC_IN_RW_OD */ PAD_CFG_GPI(GPP_F18, NONE, DEEP), + /* H6 : I2C1_SDA ==> PCH_I2C_TPM_SDA */ + PAD_CFG_NF(GPP_H6, NONE, DEEP, NF1), + /* H7 : I2C1_SCL ==> PCH_I2C_TPM_SCL */ + PAD_CFG_NF(GPP_H7, NONE, DEEP, NF1), /* H10 : UART0_RXD ==> UART_PCH_RX_DBG_TX */ PAD_CFG_NF(GPP_H10, NONE, DEEP, NF2), /* H11 : UART0_TXD ==> UART_PCH_TX_DBG_RX */ diff --git a/src/mainboard/google/brya/variants/taeko/overridetree.cb b/src/mainboard/google/brya/variants/taeko/overridetree.cb index b82e9de497..8a45385271 100644 --- a/src/mainboard/google/brya/variants/taeko/overridetree.cb +++ b/src/mainboard/google/brya/variants/taeko/overridetree.cb @@ -79,11 +79,11 @@ chip soc/intel/alderlake #+-------------------+---------------------------+ #| GSPI1 | Fingerprint MCU | #| I2C0 | Audio | - #| I2C1 | Touchscreen | - #| I2C2 | HPS | - #| I2C3 | cr50 TPM. Early init is | + #| I2C1 | cr50 TPM. Early init is | #| | required to set up a BAR | #| | for TPM communication | + #| I2C2 | HPS | + #| I2C3 | Touchscreen | #| I2C5 | Trackpad | #+-------------------+---------------------------+ register "common_soc_config" = "{ @@ -91,7 +91,11 @@ chip soc/intel/alderlake .speed = I2C_SPEED_FAST, }, .i2c[1] = { + .early_init = 1, .speed = I2C_SPEED_FAST, + .rise_time_ns = 600, + .fall_time_ns = 400, + .data_hold_time_ns = 50, }, .i2c[2] = { .speed = I2C_SPEED_FAST, @@ -272,6 +276,28 @@ chip soc/intel/alderlake end end device ref i2c1 on + chip drivers/i2c/tpm + register "hid" = ""GOOG0005"" + register "irq" = "ACPI_IRQ_EDGE_LOW(GPP_A13_IRQ)" + device i2c 50 on end + end + end + device ref i2c2 on + chip drivers/i2c/generic + register "hid" = ""GOOG0020"" + register "desc" = ""Chrome OS HPS"" + register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_E7)" # EN_HPS_PWR + register "irq" = "ACPI_IRQ_LEVEL_LOW(GPP_E3_IRQ)" # HPS_INT_ODL + # HPS uses I2C addresses 0x30 and 0x51. + # The address we provide here is not significant because + # neither coreboot nor Linux have a driver for HPS, + # it's only used from userspace. + device i2c 30 on + probe HPS HPS_PRESENT + end + end + end + device ref i2c3 on chip drivers/i2c/hid register "generic.hid" = ""GDIX0000"" register "generic.desc" = ""Goodix Touchscreen"" @@ -312,28 +338,6 @@ chip soc/intel/alderlake device i2c 10 on end end end - device ref i2c2 on - chip drivers/i2c/generic - register "hid" = ""GOOG0020"" - register "desc" = ""Chrome OS HPS"" - register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_E7)" # EN_HPS_PWR - register "irq" = "ACPI_IRQ_LEVEL_LOW(GPP_E3_IRQ)" # HPS_INT_ODL - # HPS uses I2C addresses 0x30 and 0x51. - # The address we provide here is not significant because - # neither coreboot nor Linux have a driver for HPS, - # it's only used from userspace. - device i2c 30 on - probe HPS HPS_PRESENT - end - end - end - device ref i2c3 on - chip drivers/i2c/tpm - register "hid" = ""GOOG0005"" - register "irq" = "ACPI_IRQ_EDGE_LOW(GPP_A13_IRQ)" - device i2c 50 on end - end - end device ref i2c5 on chip drivers/i2c/generic register "hid" = ""ELAN0000"" |