From 34d9e68ff9026496fb262a2098ccdd2716bd8eb3 Mon Sep 17 00:00:00 2001 From: Alex Levin Date: Mon, 20 Apr 2020 21:55:24 -0700 Subject: mb/google/volteer: add touchscreen entry to Volteer BUG=b:149588766 TEST=ELAN and Goodix touchscreen works. Signed-off-by: Alex Levin Change-Id: I1c3e75eb03a8ab434ee58bf36a155f2255612083 Reviewed-on: https://review.coreboot.org/c/coreboot/+/40551 Tested-by: build bot (Jenkins) Reviewed-by: Duncan Laurie Reviewed-by: Nick Vaccaro --- src/mainboard/google/volteer/Kconfig | 1 + .../volteer/variants/baseboard/devicetree.cb | 32 +++++++++++++++++++++- .../google/volteer/variants/baseboard/gpio.c | 6 ++-- 3 files changed, 35 insertions(+), 4 deletions(-) (limited to 'src/mainboard/google/volteer') diff --git a/src/mainboard/google/volteer/Kconfig b/src/mainboard/google/volteer/Kconfig index 0870c61ecb..04b2bb0f30 100644 --- a/src/mainboard/google/volteer/Kconfig +++ b/src/mainboard/google/volteer/Kconfig @@ -3,6 +3,7 @@ config BOARD_GOOGLE_BASEBOARD_VOLTEER select BOARD_ROMSIZE_KB_32768 select DRIVERS_GENERIC_MAX98357A select DRIVERS_I2C_GENERIC + select DRIVERS_I2C_HID select DRIVERS_SPI_ACPI select EC_GOOGLE_CHROMEEC select EC_GOOGLE_CHROMEEC_BOARDID diff --git a/src/mainboard/google/volteer/variants/baseboard/devicetree.cb b/src/mainboard/google/volteer/variants/baseboard/devicetree.cb index 28931e486d..12ae87afcd 100644 --- a/src/mainboard/google/volteer/variants/baseboard/devicetree.cb +++ b/src/mainboard/google/volteer/variants/baseboard/devicetree.cb @@ -251,7 +251,37 @@ chip soc/intel/tigerlake device i2c 1a on end end end # I2C #0 0xA0E8 - device pci 15.1 on end # I2C1 0xA0E9 + device pci 15.1 on + chip drivers/i2c/hid + register "generic.hid" = ""GDIX0000"" + register "generic.desc" = ""Goodix Touchscreen"" + register "generic.irq" = "ACPI_IRQ_EDGE_LOW(GPP_E7_IRQ)" + register "generic.probed" = "1" + register "generic.reset_gpio" = + "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C10)" + register "generic.reset_delay_ms" = "120" + register "generic.reset_off_delay_ms" = "3" + register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_A8)" + register "generic.enable_delay_ms" = "12" + register "generic.has_power_resource" = "1" + register "hid_desc_reg_offset" = "0x01" + device i2c 14 on end + end + chip drivers/i2c/hid + register "generic.hid" = ""ELAN90FC"" + register "generic.desc" = ""ELAN Touchscreen"" + register "generic.irq" = "ACPI_IRQ_EDGE_LOW(GPP_E7_IRQ)" + register "generic.probed" = "1" + register "generic.reset_gpio" = + "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C10)" + register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_A8)" + register "generic.reset_delay_ms" = "20" + register "generic.has_power_resource" = "1" + register "generic.disable_gpio_export_in_crs" = "1" + register "hid_desc_reg_offset" = "0x01" + device i2c 10 on end + end + end # I2C1 0xA0E9 device pci 15.2 on chip drivers/i2c/sx9310 register "desc" = ""SAR0 Proximity Sensor"" diff --git a/src/mainboard/google/volteer/variants/baseboard/gpio.c b/src/mainboard/google/volteer/variants/baseboard/gpio.c index 1028dfad9f..37211ff796 100644 --- a/src/mainboard/google/volteer/variants/baseboard/gpio.c +++ b/src/mainboard/google/volteer/variants/baseboard/gpio.c @@ -23,7 +23,7 @@ static const struct pad_config gpio_table[] = { /* A7 : I2S2_SCLK ==> EN_PP3300_TRACKPAD */ PAD_CFG_GPO(GPP_A7, 1, DEEP), /* A8 : I2S2_SFRM ==> EN_PP3300_TOUCHSCREEN */ - PAD_CFG_GPO(GPP_A8, 1, DEEP), + PAD_CFG_GPO(GPP_A8, 0, DEEP), /* A9 : I2S2_TXD ==> EC_IN_RW_OD */ PAD_CFG_GPI(GPP_A9, NONE, DEEP), /* A10 : I2S2_RXD ==> EN_SPKR_PA */ @@ -125,7 +125,7 @@ static const struct pad_config gpio_table[] = { /* C9 : UART0_TXD ==> UART_PCH_TX_DEBUG_RX */ PAD_CFG_NF(GPP_C9, NONE, DEEP, NF1), /* C10 : UART0_RTS# ==> USI_RST_L */ - PAD_CFG_GPO(GPP_C10, 1, DEEP), + PAD_CFG_GPO(GPP_C10, 0, DEEP), /* C11 : UART0_CTS# ==> CVF_LPSS_INT_L */ PAD_CFG_GPI(GPP_C11, NONE, DEEP), /* C12 : UART1_RXD ==> MEM_STRAP_0 */ @@ -210,7 +210,7 @@ static const struct pad_config gpio_table[] = { /* E6 : THC0_SPI1_RST# ==> GPPE6_STRAP */ PAD_NC(GPP_E6, NONE), /* E7 : CPU_GP1 ==> USI_INT */ - PAD_CFG_GPI(GPP_E7, NONE, DEEP), + PAD_CFG_GPI_APIC(GPP_E7, NONE, PLTRST, LEVEL, NONE), /* E8 : SPI1_CS1# ==> SLP_S0IX */ PAD_CFG_GPO(GPP_E8, 0, DEEP), /* E9 : USB2_OC0# ==> USB_C1_OC_ODL */ -- cgit v1.2.3