Sugnan Prabhu S has uploaded this change for review.
soc/intel/alderlake: Enable trackpad support
1. Configure trackpad interrupt GPIO.
2. Add trackpad ACPI support.
Change-Id: Ic3fd49b609a0a7d4a616ce156bdcabd2cf27fb47
Signed-off-by: Sugnan Prabhu S <sugnan.prabhu.s@intel.com>
---
M src/mainboard/intel/adlrvp/gpio.c
M src/mainboard/intel/shadowmountain/variants/baseboard/devicetree.cb
2 files changed, 14 insertions(+), 5 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/60/48460/1
diff --git a/src/mainboard/intel/adlrvp/gpio.c b/src/mainboard/intel/adlrvp/gpio.c
index 8ff6fcd..ff29fa5 100644
--- a/src/mainboard/intel/adlrvp/gpio.c
+++ b/src/mainboard/intel/adlrvp/gpio.c
@@ -77,8 +77,8 @@
/* CAM1_RST */
PAD_CFG_GPO(GPP_R5, 1, PLTRST),
- /* CAM2_RST */
- PAD_CFG_GPO(GPP_E15, 1, PLTRST),
+ /* TRACKPAD_INT_ODL */
+ PAD_CFG_GPI_IRQ_WAKE(GPP_E15, NONE, DEEP, LEVEL, INVERT),
/* CAM1_PWR_EN */
PAD_CFG_GPO(GPP_B23, 1, PLTRST),
/* CAM2_PWR_EN */
@@ -169,7 +169,7 @@
PAD_CFG_NF(GPP_B6, NONE, DEEP, NF2),
/* I2C_SCL(3) */
PAD_CFG_NF(GPP_B8, NONE, DEEP, NF2),
- /* I2C_SCL(5) */
+ /* I2C_SCL(5) PCH_I2C5_TRACKPAD_SCL */
PAD_CFG_NF(GPP_B17, NONE, DEEP, NF2),
/* I2C_SDA(0) */
@@ -180,7 +180,7 @@
PAD_CFG_NF(GPP_B5, NONE, DEEP, NF2),
/* I2C_SDA(3) */
PAD_CFG_NF(GPP_B7, NONE, DEEP, NF2),
- /* I2C_SDA(5) */
+ /* I2C_SDA(5) PCH_I2C5_TRACKPAD_SDA */
PAD_CFG_NF(GPP_B16, NONE, DEEP, NF2),
/* I2S0_SCLK */
diff --git a/src/mainboard/intel/shadowmountain/variants/baseboard/devicetree.cb b/src/mainboard/intel/shadowmountain/variants/baseboard/devicetree.cb
index ee85d4b..38c8bbb 100644
--- a/src/mainboard/intel/shadowmountain/variants/baseboard/devicetree.cb
+++ b/src/mainboard/intel/shadowmountain/variants/baseboard/devicetree.cb
@@ -245,7 +245,16 @@
device pci 16.5 off end # HECI4
device pci 17.0 on end # SATA
device pci 19.0 off end # I2C4
- device pci 19.1 on end # I2C5
+ device pci 19.1 on
+ chip drivers/i2c/generic
+ register "hid" = ""ELAN0000""
+ register "desc" = ""ELAN Touchpad""
+ register "irq" = "ACPI_IRQ_WAKE_LEVEL_LOW(GPP_E15_IRQ)"
+ register "wake" = "GPE0_DW2_15"
+ register "probed" = "1"
+ device i2c 15 on end
+ end
+ end # I2C5
device pci 19.2 off end # UART2
device pci 1c.0 off end # RP1
device pci 1c.1 off end # RP2
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