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>
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@ -18,12 +18,16 @@ chip soc/intel/cannonlake
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#| | required to set up a BAR |
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#| | for TPM communication |
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#| | before memory is up |
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#| I2C0 | Touchpad |
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#+-------------------+---------------------------+
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register "common_soc_config" = "{
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.gspi[0] = {
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.speed_mhz = 1,
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.early_init = 1,
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},
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.i2c[0] = {
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.speed = I2C_SPEED_FAST,
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},
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}"
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device domain 0 on
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@ -36,7 +40,14 @@ chip soc/intel/cannonlake
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device pci 14.0 off end # USB xHCI
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device pci 14.1 off end # USB xDCI (OTG)
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device pci 14.5 off end # SDCard
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device pci 15.0 off end # I2C #0
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device pci 15.0 on
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chip drivers/i2c/generic
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register "hid" = ""ELAN0000""
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register "desc" = ""ELAN Touchpad""
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register "irq" = "ACPI_IRQ_EDGE_LOW(GPP_A21_IRQ)"
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device i2c 15 on end
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end
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end # I2C #0
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device pci 15.1 off end # I2C #1
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device pci 15.2 off end # I2C #2
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device pci 15.3 off end # I2C #3
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@ -19,6 +19,8 @@
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#include <commonlib/helpers.h>
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static const struct pad_config gpio_table[] = {
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/* TRACKPAD_INT_ODL */
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PAD_CFG_GPI_APIC(GPP_A21, NONE, PLTRST, LEVEL, INVERT),
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/* H1_SLAVE_SPI_CS_L */
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PAD_CFG_NF(GPP_B15, NONE, DEEP, NF1),
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/* H1_SLAVE_SPI_CLK */
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@ -27,6 +29,10 @@ static const struct pad_config gpio_table[] = {
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PAD_CFG_NF(GPP_B17, NONE, DEEP, NF1),
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/* H1_SLAVE_SPI_MOSI_R */
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PAD_CFG_NF(GPP_B18, NONE, DEEP, NF1),
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/* PCH_I2C_TRACKPAD_SDA */
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PAD_CFG_NF(GPP_C16, NONE, DEEP, NF1),
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/* PCH_I2C_TRACKPAD_SCL */
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PAD_CFG_NF(GPP_C17, NONE, DEEP, NF1),
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/* H1_PCH_INT_ODL */
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PAD_CFG_GPI_APIC(GPP_C21, NONE, DEEP, LEVEL, INVERT),
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/* PCH_WP_OD */
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