From 5677e7da4b272608091a6bbce3c4584fb49da9f3 Mon Sep 17 00:00:00 2001 From: Furquan Shaikh Date: Mon, 5 Jun 2017 09:19:29 -0700 Subject: [PATCH] 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 Reviewed-on: https://review.coreboot.org/20040 Reviewed-by: Aaron Durbin Tested-by: build bot (Jenkins) --- .../google/poppy/variants/baseboard/devicetree.cb | 12 ++++++++++++ src/mainboard/google/poppy/variants/baseboard/gpio.c | 4 ++-- 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 @@ -205,6 +205,18 @@ chip soc/intel/skylake device pci 14.1 off end # USB xDCI (OTG) 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"" 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 */