diff options
| author | Wisley Chen <wisley.chen@quanta.corp-partner.google.com> | 2021-12-29 07:52:21 +0600 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2022-01-07 15:28:19 +0000 |
| commit | 060e89f347a4799edcf51bbd2147d39e2f601d19 (patch) | |
| tree | c440a1486fe20102ee4c7b94fc91e421de0c817b /src/mainboard/google/brya/variants/anahera | |
| parent | 2dcc7224a0ca78c9f276a5367233776ba6860d18 (diff) | |
mb/google/brya/anahera: Swap TPM I2C with touchscreen I2C
According to the latest schematic, exchange I2C port for TPM/touchscreen.
TPM: I2C3 -> I2C1
Touchscreen: I2C1 -> I2C3
BUG=b:212465011
TEST=FW_NAME=anahera emerge-brya coreboot
Change-Id: I1bb1857b4c5b06ca4ad660bf73e0c4df9c376a58
Signed-off-by: Wisley Chen <wisley.chen@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/60432
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Diffstat (limited to 'src/mainboard/google/brya/variants/anahera')
| -rw-r--r-- | src/mainboard/google/brya/variants/anahera/gpio.c | 8 | ||||
| -rw-r--r-- | src/mainboard/google/brya/variants/anahera/overridetree.cb | 36 |
2 files changed, 20 insertions, 24 deletions
diff --git a/src/mainboard/google/brya/variants/anahera/gpio.c b/src/mainboard/google/brya/variants/anahera/gpio.c index 40dd56fd37..1d15a08e42 100644 --- a/src/mainboard/google/brya/variants/anahera/gpio.c +++ b/src/mainboard/google/brya/variants/anahera/gpio.c @@ -105,10 +105,10 @@ static const struct pad_config early_gpio_table[] = { PAD_CFG_GPO(GPP_A12, 1, DEEP), /* 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), + /* H6 : ISH_12C1_SDA ==> PCH_I2C_TPM_SDA */ + PAD_CFG_NF(GPP_H6, NONE, DEEP, NF1), + /* H7 : ISH_12C1_SCL ==> PCH_I2C_TPM_SCL */ + PAD_CFG_NF(GPP_H7, NONE, DEEP, NF1), /* * D1 : ISH_GP1 ==> FP_RST_ODL * FP_RST_ODL comes out of reset as hi-z and does not have an external pull-down. diff --git a/src/mainboard/google/brya/variants/anahera/overridetree.cb b/src/mainboard/google/brya/variants/anahera/overridetree.cb index 616224d09e..2af5520426 100644 --- a/src/mainboard/google/brya/variants/anahera/overridetree.cb +++ b/src/mainboard/google/brya/variants/anahera/overridetree.cb @@ -40,29 +40,25 @@ chip soc/intel/alderlake #+-------------------+---------------------------+ #| GSPI1 | Fingerprint MCU | #| I2C0 | Audio | - #| I2C1 | Touchscreen | - #| I2C2 | | - #| I2C3 | cr50 TPM. Early init is | + #| I2C1 | cr50 TPM. Early init is | #| | required to set up a BAR | #| | for TPM communication | + #| I2C3 | Touchscreen | #| I2C5 | Trackpad | #+-------------------+---------------------------+ register "common_soc_config" = "{ - .i2c[0] = { - .speed = I2C_SPEED_FAST, - }, .i2c[1] = { - .speed = I2C_SPEED_FAST, - }, - .i2c[2] = { - .speed = I2C_SPEED_FAST, - }, - .i2c[3] = { .early_init = 1, .speed = I2C_SPEED_FAST, + .rise_time_ns = 600, + .fall_time_ns = 400, + .data_hold_time_ns = 50, }, - .i2c[5] = { + .i2c[3] = { .speed = I2C_SPEED_FAST, + .rise_time_ns = 650, + .fall_time_ns = 400, + .data_hold_time_ns = 50, }, }" register "usb2_ports[1]" = "USB2_PORT_MID(OC_SKIP)" # Type-A MLB Port @@ -202,6 +198,13 @@ chip soc/intel/alderlake end end #I2C0 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 i2c3 on chip drivers/i2c/generic register "hid" = ""ELAN0001"" register "desc" = ""ELAN Touchscreen"" @@ -238,13 +241,6 @@ chip soc/intel/alderlake device i2c 40 on 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"" |