From 7676fea00099ea921d3df7627089f3c8626194ab Mon Sep 17 00:00:00 2001 From: Wisley Chen Date: Fri, 3 Dec 2021 16:25:06 +0600 Subject: mb/google/brya/var/redrix: 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:205648040 TEST=FW_NAME=redrix emerge-brya coreboot Signed-off-by: Wisley Chen Change-Id: I3a8339c23522019da884944246427512170510b6 Reviewed-on: https://review.coreboot.org/c/coreboot/+/59863 Tested-by: build bot (Jenkins) Reviewed-by: Tim Wawrzynczak --- src/mainboard/google/brya/variants/redrix/gpio.c | 8 +-- .../google/brya/variants/redrix/overridetree.cb | 66 ++++++++++------------ 2 files changed, 35 insertions(+), 39 deletions(-) (limited to 'src/mainboard/google/brya/variants/redrix') diff --git a/src/mainboard/google/brya/variants/redrix/gpio.c b/src/mainboard/google/brya/variants/redrix/gpio.c index afcb7e911466..f9fd731a96fe 100644 --- a/src/mainboard/google/brya/variants/redrix/gpio.c +++ b/src/mainboard/google/brya/variants/redrix/gpio.c @@ -81,10 +81,10 @@ 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 : 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), /* * 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/redrix/overridetree.cb b/src/mainboard/google/brya/variants/redrix/overridetree.cb index 9531e5e1a0a0..617ebc556ea3 100644 --- a/src/mainboard/google/brya/variants/redrix/overridetree.cb +++ b/src/mainboard/google/brya/variants/redrix/overridetree.cb @@ -57,29 +57,25 @@ 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, }, }" device domain 0 on @@ -254,24 +250,10 @@ chip soc/intel/alderlake end end #I2C0 device ref i2c1 on - chip drivers/i2c/hid - register "generic.hid" = ""ELAN2513"" - register "generic.desc" = ""ELAN Touchscreen"" - register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_C7_IRQ)" - register "generic.probed" = "1" - register "generic.reset_gpio" = - "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C1)" - register "generic.reset_delay_ms" = "300" - register "generic.reset_off_delay_ms" = "1" - register "generic.enable_gpio" = - "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C0)" - register "generic.enable_delay_ms" = "6" - register "generic.stop_gpio" = - "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C6)" - register "generic.stop_off_delay_ms" = "1" - register "generic.has_power_resource" = "1" - register "hid_desc_reg_offset" = "0x01" - device i2c 0x15 on end + 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 @@ -388,10 +370,24 @@ chip soc/intel/alderlake 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 + chip drivers/i2c/hid + register "generic.hid" = ""ELAN2513"" + register "generic.desc" = ""ELAN Touchscreen"" + register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_C7_IRQ)" + register "generic.probed" = "1" + register "generic.reset_gpio" = + "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C1)" + register "generic.reset_delay_ms" = "300" + register "generic.reset_off_delay_ms" = "1" + register "generic.enable_gpio" = + "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C0)" + register "generic.enable_delay_ms" = "6" + register "generic.stop_gpio" = + "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C6)" + register "generic.stop_off_delay_ms" = "1" + register "generic.has_power_resource" = "1" + register "hid_desc_reg_offset" = "0x01" + device i2c 0x15 on end end end device ref i2c5 on -- cgit v1.2.3