diff options
| author | Shelley Chen <shchen@google.com> | 2018-12-17 13:12:54 -0800 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2018-12-22 12:14:39 +0000 |
| commit | 09e7b998379225fb0b79e5fd2fb5ba9b95bd6961 (patch) | |
| tree | 67de3f74639ae063794810c5e6860b435a53f7e5 /src | |
| parent | 6bb563f29c5620746411e4766ac03113ec8b8280 (diff) | |
mb/google/hatch: Enable Elan Trackpad
BUG=b:120914069
BRANCH=None
TEST=USE="-intel_mrc" emerge-hatch coreboot
Change-Id: I91db5745d1db16ab4b2fbb7f8c415bd7c1eb29e9
Signed-off-by: Shelley Chen <shchen@google.com>
Reviewed-on: https://review.coreboot.org/c/30227
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Subrata Banik <subrata.banik@intel.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/google/hatch/variants/baseboard/devicetree.cb | 13 | ||||
| -rw-r--r-- | src/mainboard/google/hatch/variants/baseboard/gpio.c | 6 |
2 files changed, 18 insertions, 1 deletions
diff --git a/src/mainboard/google/hatch/variants/baseboard/devicetree.cb b/src/mainboard/google/hatch/variants/baseboard/devicetree.cb index 4fe0c4cd70..f08e2f9b34 100644 --- a/src/mainboard/google/hatch/variants/baseboard/devicetree.cb +++ b/src/mainboard/google/hatch/variants/baseboard/devicetree.cb @@ -18,12 +18,16 @@ chip soc/intel/cannonlake #| | required to set up a BAR | #| | for TPM communication | #| | before memory is up | + #| I2C0 | Touchpad | #+-------------------+---------------------------+ register "common_soc_config" = "{ .gspi[0] = { .speed_mhz = 1, .early_init = 1, }, + .i2c[0] = { + .speed = I2C_SPEED_FAST, + }, }" device domain 0 on @@ -36,7 +40,14 @@ chip soc/intel/cannonlake device pci 14.0 off end # USB xHCI device pci 14.1 off end # USB xDCI (OTG) device pci 14.5 off end # SDCard - device pci 15.0 off end # I2C #0 + device pci 15.0 on + chip drivers/i2c/generic + register "hid" = ""ELAN0000"" + register "desc" = ""ELAN Touchpad"" + register "irq" = "ACPI_IRQ_EDGE_LOW(GPP_A21_IRQ)" + device i2c 15 on end + end + end # I2C #0 device pci 15.1 off end # I2C #1 device pci 15.2 off end # I2C #2 device pci 15.3 off end # I2C #3 diff --git a/src/mainboard/google/hatch/variants/baseboard/gpio.c b/src/mainboard/google/hatch/variants/baseboard/gpio.c index 69a0f3781b..d215b099e9 100644 --- a/src/mainboard/google/hatch/variants/baseboard/gpio.c +++ b/src/mainboard/google/hatch/variants/baseboard/gpio.c @@ -19,6 +19,8 @@ #include <commonlib/helpers.h> static const struct pad_config gpio_table[] = { + /* TRACKPAD_INT_ODL */ + PAD_CFG_GPI_APIC(GPP_A21, NONE, PLTRST, LEVEL, INVERT), /* H1_SLAVE_SPI_CS_L */ PAD_CFG_NF(GPP_B15, NONE, DEEP, NF1), /* H1_SLAVE_SPI_CLK */ @@ -27,6 +29,10 @@ static const struct pad_config gpio_table[] = { PAD_CFG_NF(GPP_B17, NONE, DEEP, NF1), /* H1_SLAVE_SPI_MOSI_R */ PAD_CFG_NF(GPP_B18, NONE, DEEP, NF1), + /* PCH_I2C_TRACKPAD_SDA */ + PAD_CFG_NF(GPP_C16, NONE, DEEP, NF1), + /* PCH_I2C_TRACKPAD_SCL */ + PAD_CFG_NF(GPP_C17, NONE, DEEP, NF1), /* H1_PCH_INT_ODL */ PAD_CFG_GPI_APIC(GPP_C21, NONE, DEEP, LEVEL, INVERT), /* PCH_WP_OD */ |