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mb/google/poppy/variants/atlas: enable touchscreen

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This adds the necessary config to enable touchscreen sensor in linux.

BUG=b:110286344,b:110286345
BRANCH=none
TEST=verified touch functionality using eval board

Change-Id: I21efafda3f2ae1dcea19e44f8d66f6dfaac1bb12
Signed-off-by: Caveh Jalali <caveh@chromium.org>
Reviewed-on: https://review.coreboot.org/27127
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
This commit is contained in:
Caveh Jalali
2018-06-15 20:33:32 -07:00
committed by Furquan Shaikh
parent e750198528
commit 126ce5c28b
2 changed files with 13 additions and 3 deletions
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12
src/mainboard/google/poppy/variants/atlas/devicetree.cb
View File

@@ -258,7 +258,17 @@ chip soc/intel/skylake
device pci 14.0 on end # USB xHCI
device pci 14.1 on end # USB xDCI (OTG)
device pci 14.2 on end # Thermal Subsystem
device pci 15.0 on end # I2C #0 - Touchscreen
device pci 15.0 on
chip drivers/i2c/hid
register "generic.hid" = ""ACPI0C50""
register "generic.desc" = ""STM Touchscreen""
register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_E7_IRQ)"
register "generic.speed" = "I2C_SPEED_FAST"
register "generic.probed" = "1"
register "hid_desc_reg_offset" = "0xab"
device i2c 0x49 on end
end
end # I2C #0 - Touchscreen
device pci 15.1 off end # I2C #1
device pci 15.2 on
chip drivers/i2c/hid

4
src/mainboard/google/poppy/variants/atlas/gpio.c
View File

@@ -156,7 +156,7 @@ static const struct pad_config gpio_table[] = {
/* C21 : UART2_TXD ==> PCHTX_SERVORX_UART */
PAD_CFG_NF(GPP_C21, NONE, DEEP, NF1),
/* C22 : UART2_RTS# ==> EN_PP3300_DX_TOUCHSCREEN */
PAD_CFG_GPO(GPP_C22, 0, DEEP),
PAD_CFG_GPO(GPP_C22, 1, DEEP),
/* C23 : UART2_CTS# ==> PCH_WP */
PAD_CFG_GPI_GPIO_DRIVER(GPP_C23, 20K_PU, DEEP),
@@ -232,7 +232,7 @@ static const struct pad_config gpio_table[] = {
/* E10 : USB2_OC1# ==> USB_C1_OC_ODL */
PAD_CFG_NF(GPP_E10, NONE, DEEP, NF1),
/* E11 : USB2_OC2# ==> TOUCHSCREEN_RESET_L */
PAD_CFG_GPO(GPP_E11, 0, DEEP),
PAD_CFG_GPO(GPP_E11, 1, DEEP),
/* E12 : USB2_OC3# ==> NC */
PAD_CFG_NC(GPP_E12),
/* E13 : DDPB_HPD0 ==> USB_C1_DP_HPD */