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authorFurquan Shaikh <furquan@chromium.org>2017-06-05 09:19:29 -0700
committerFurquan Shaikh <furquan@google.com>2017-06-07 22:49:28 +0200
commit5677e7da4b272608091a6bbce3c4584fb49da9f3 (patch)
tree25e55333f03b198df0f83f1bc72959900048a74a /src/mainboard/google
parentf482396625628bfadebfacf7cef9a951eaf50aab (diff)
downloadcoreboot-5677e7da4b272608091a6bbce3c4584fb49da9f3.tar.xz
mainboard/google/poppy: Add support for ELAN device
Add support for ELAN 5515 device. BUG=b:62331218 Change-Id: Id91a41743330c9e356293cfda7b2e3743dcd480c Signed-off-by: Furquan Shaikh <furquan@chromium.org> Reviewed-on: https://review.coreboot.org/20040 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard/google')
-rw-r--r--src/mainboard/google/poppy/variants/baseboard/devicetree.cb12
-rw-r--r--src/mainboard/google/poppy/variants/baseboard/gpio.c4
2 files changed, 14 insertions, 2 deletions
diff --git a/src/mainboard/google/poppy/variants/baseboard/devicetree.cb b/src/mainboard/google/poppy/variants/baseboard/devicetree.cb
index c38bf93635..7872a83f3e 100644
--- a/src/mainboard/google/poppy/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/poppy/variants/baseboard/devicetree.cb
@@ -206,6 +206,18 @@ chip soc/intel/skylake
device pci 14.2 on end # Thermal Subsystem
device pci 15.0 on
chip drivers/i2c/generic
+ register "hid" = ""ELAN0001""
+ register "desc" = ""ELAN Touchscreen""
+ register "irq" = "ACPI_IRQ_EDGE_LOW(GPP_E7_IRQ)"
+ register "probed" = "1"
+ register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_E3)"
+ register "reset_delay_ms" = "20"
+ register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C22)"
+ register "enable_delay_ms" = "1"
+ register "has_power_resource" = "1"
+ device i2c 10 on end
+ end
+ chip drivers/i2c/generic
register "hid" = ""ATML0001""
register "desc" = ""Atmel Touchscreen""
register "irq" = "ACPI_IRQ_LEVEL_LOW(GPP_E7_IRQ)"
diff --git a/src/mainboard/google/poppy/variants/baseboard/gpio.c b/src/mainboard/google/poppy/variants/baseboard/gpio.c
index a8651930c1..ca87fafcaf 100644
--- a/src/mainboard/google/poppy/variants/baseboard/gpio.c
+++ b/src/mainboard/google/poppy/variants/baseboard/gpio.c
@@ -233,8 +233,8 @@ static const struct pad_config gpio_table[] = {
PAD_CFG_NC(GPP_E1),
/* E2 : SATAXPCIE2 ==> NC */
PAD_CFG_NC(GPP_E2),
- /* E3 : CPU_GP0 ==> NC */
- PAD_CFG_NC(GPP_E3),
+ /* E3 : CPU_GP0 ==> TOUCHSCREEN_RST_L */
+ PAD_CFG_GPO(GPP_E3, 0, DEEP),
/* E4 : SATA_DEVSLP0 ==> NC */
PAD_CFG_NC(GPP_E4),
/* E5 : SATA_DEVSLP1 ==> NC */