diff options
| author | Shon Wang <shon.wang@quanta.corp-partner.google.com> | 2021-12-14 20:41:48 +0800 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2022-01-07 20:01:53 +0000 |
| commit | 138f547c8bff06989089a8317badf43f0733acd6 (patch) | |
| tree | 60509436bf5150b50b4131af5adeb99397cdaabb /src/mainboard/google/brya/variants/vell | |
| parent | af69af996e57b3d4bd3e588e0379b0a5361a8773 (diff) | |
mb/google/brya/var/vell: Swap TPM I2C with touchscreen I2C
According to the latest schematic for the next build phase, exchange I2C port for TPM/touchscreen.
TPM: I2C3 -> I2C1
Touchscreen: I2C1 -> I2C3
BUG=b:210572663
TEST=FW_NAME=vell emerge-brya coreboot
Change-Id: If72717a2c073f5b871c3109399f466a04a9d2484
Signed-off-by: Shon Wang <shon.wang@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/60106
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nick Vaccaro <nvaccaro@google.com>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Diffstat (limited to 'src/mainboard/google/brya/variants/vell')
| -rw-r--r-- | src/mainboard/google/brya/variants/vell/gpio.c | 8 | ||||
| -rw-r--r-- | src/mainboard/google/brya/variants/vell/overridetree.cb | 27 |
2 files changed, 28 insertions, 7 deletions
diff --git a/src/mainboard/google/brya/variants/vell/gpio.c b/src/mainboard/google/brya/variants/vell/gpio.c index 7028222d96..9e139d3285 100644 --- a/src/mainboard/google/brya/variants/vell/gpio.c +++ b/src/mainboard/google/brya/variants/vell/gpio.c @@ -92,10 +92,10 @@ static const struct pad_config early_gpio_table[] = { PAD_CFG_GPI_APIC(GPP_A13, NONE, PLTRST, LEVEL, INVERT), /* B4 : PROC_GP3 ==> SSD_PERST_L */ PAD_CFG_GPO(GPP_B4, 0, DEEP), - /* 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 : I2C1_SDA ==> PCH_I2C_TPM_SDA */ + PAD_CFG_NF(GPP_H6, NONE, DEEP, NF1), + /* H7 : IC1_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/vell/overridetree.cb b/src/mainboard/google/brya/variants/vell/overridetree.cb index 825b305afa..6ad37e076d 100644 --- a/src/mainboard/google/brya/variants/vell/overridetree.cb +++ b/src/mainboard/google/brya/variants/vell/overridetree.cb @@ -39,13 +39,27 @@ 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 | + #| I2C2 | | + #| I2C3 | Touchscreen | #| I2C5 | Trackpad | #+-------------------+---------------------------+ + register "common_soc_config" = "{ + .i2c[1] = { + .early_init = 1, + .speed = I2C_SPEED_FAST, + .rise_time_ns = 600, + .fall_time_ns = 400, + .data_hold_time_ns = 50, + }, + .i2c[3] = { + .rise_time_ns = 650, + .fall_time_ns = 400, + .data_hold_time_ns = 50, + }, + }" register "usb2_ports[4]" = "USB2_PORT_TYPE_C(OC3)" # USB2_C3 # I2C Port Config @@ -183,6 +197,13 @@ 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"" |