diff options
| author | Pandya, Varshit B <varshit.b.pandya@intel.com> | 2020-03-03 22:45:44 +0530 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2020-03-12 07:41:25 +0000 |
| commit | 4f8b00602c10088ceee2485821ceb53dbbf717ad (patch) | |
| tree | 9f521503e48bdf9d58f6067905efe55fba508633 | |
| parent | d1f3022ebfce359ba26401bba8f71913fbc61886 (diff) | |
| download | coreboot-4f8b00602c10088ceee2485821ceb53dbbf717ad.tar.xz | |
mb/google/dedede: Enable trackpad support
1. Configure trackpad interrupt GPIO.
2. Set i2c0 configuration.
3. Add trackpad ACPI support.
TEST= Verify trackpad working. Verify I2C SCL frequency below 400Khz
on trackpad operation.
Change-Id: I52c578aef591f5be90fb709bab4c8342ea9729e6
Signed-off-by: Pandya, Varshit B <varshit.b.pandya@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39236
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
| -rw-r--r-- | src/mainboard/google/dedede/variants/baseboard/gpio.c | 2 | ||||
| -rw-r--r-- | src/mainboard/google/dedede/variants/waddledoo/overridetree.cb | 52 |
2 files changed, 52 insertions, 2 deletions
diff --git a/src/mainboard/google/dedede/variants/baseboard/gpio.c b/src/mainboard/google/dedede/variants/baseboard/gpio.c index af95f6a733..fe903bd934 100644 --- a/src/mainboard/google/dedede/variants/baseboard/gpio.c +++ b/src/mainboard/google/dedede/variants/baseboard/gpio.c @@ -55,7 +55,7 @@ static const struct pad_config gpio_table[] = { /* B2 : PROCHOT_ODL */ PAD_NC(GPP_B2, NONE), /* B3 : TRACKPAD_INT_ODL */ - PAD_NC(GPP_B3, NONE), + PAD_CFG_GPI_IRQ_WAKE(GPP_B3, NONE, PLTRST, LEVEL, INVERT), /* B4 : H1_PCH_INT_ODL */ PAD_CFG_GPI_APIC(GPP_B4, NONE, PLTRST, LEVEL, INVERT), /* B5 : PCIE_CLKREQ0_N */ diff --git a/src/mainboard/google/dedede/variants/waddledoo/overridetree.cb b/src/mainboard/google/dedede/variants/waddledoo/overridetree.cb index ac9d576d01..061a0f865f 100644 --- a/src/mainboard/google/dedede/variants/waddledoo/overridetree.cb +++ b/src/mainboard/google/dedede/variants/waddledoo/overridetree.cb @@ -1,3 +1,53 @@ chip soc/intel/tigerlake - device domain 0 on end + + # Intel Common SoC Config + #+-------------------+---------------------------+ + #| Field | Value | + #+-------------------+---------------------------+ + #| GSPI0 | cr50 TPM. Early init is | + #| | required to set up a BAR | + #| | for TPM communication | + #| | before memory is up | + #| I2C0 | Trackpad | + #| I2C1 | Digitizer | + #| I2C2 | Touchscreen | + #| I2C3 | Camera | + #| I2C4 | Audio | + #+-------------------+---------------------------+ + register "common_soc_config" = "{ + .gspi[0] = { + .speed_mhz = 1, + .early_init = 1, + }, + .i2c[0] = { + .speed = I2C_SPEED_FAST, + .rise_time_ns = 66, + .fall_time_ns = 90, + .data_hold_time_ns = 350, + }, + .i2c[1] = { + .speed = I2C_SPEED_FAST, + }, + .i2c[2] = { + .speed = I2C_SPEED_FAST, + }, + .i2c[3] = { + .speed = I2C_SPEED_FAST, + }, + .i2c[4] = { + .speed = I2C_SPEED_FAST, + }, + }" + device domain 0 on + device pci 15.0 on + chip drivers/i2c/generic + register "hid" = ""ELAN0000"" + register "desc" = ""ELAN Touchpad"" + register "irq" = "ACPI_IRQ_WAKE_EDGE_LOW(GPP_B3_IRQ)" + register "wake" = "GPE0_DW0_03" + register "probed" = "1" + device i2c 15 on end + end + end #I2C 0 + end end |