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mainboard/google/soraka: Add stop gpio control to touchscreen device 

BUG=b:64987428
TEST=Verified that touchscreen works on boot-up and after
suspend/resume. No power leakage via stop gpio in suspended state.

Change-Id: Ia260eb444081dbe1646c90e82c2725661e7306bc
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/21250
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
This commit is contained in:
Furquan Shaikh 2017-08-28 17:26:28 -07:00 committed by Furquan Shaikh
parent edf459fe65
commit 3ed5969661
2 changed files with 2 additions and 1 deletions
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1
src/mainboard/google/poppy/variants/soraka/devicetree.cb
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@ -283,6 +283,7 @@ chip soc/intel/skylake
register "generic.reset_delay_ms" = "110" register "generic.reset_delay_ms" = "110"
register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C22)" register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C22)"
register "generic.enable_delay_ms" = "1" register "generic.enable_delay_ms" = "1"
register "generic.stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_E11)"
register "generic.has_power_resource" = "1" register "generic.has_power_resource" = "1"
register "generic.disable_gpio_export_in_crs" = "1" register "generic.disable_gpio_export_in_crs" = "1"
register "hid_desc_reg_offset" = "0x1" register "hid_desc_reg_offset" = "0x1"

2
src/mainboard/google/poppy/variants/soraka/gpio.c
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@ -248,7 +248,7 @@ static const struct pad_config gpio_table[] = {
/* E10 : USB2_OC1# ==> USB_C1_OC_ODL */ /* E10 : USB2_OC1# ==> USB_C1_OC_ODL */
PAD_CFG_NF(GPP_E10, NONE, DEEP, NF1), PAD_CFG_NF(GPP_E10, NONE, DEEP, NF1),
/* E11 : USB2_OC2# ==> TOUCHSCREEN_STOP_L */ /* E11 : USB2_OC2# ==> TOUCHSCREEN_STOP_L */
PAD_CFG_GPO(GPP_E11, 1, DEEP), PAD_CFG_GPO(GPP_E11, 0, DEEP),
/* E12 : USB2_OC3# ==> USB2_OC3_L */ /* E12 : USB2_OC3# ==> USB2_OC3_L */
PAD_CFG_NF(GPP_E12, NONE, DEEP, NF1), PAD_CFG_NF(GPP_E12, NONE, DEEP, NF1),
/* E13 : DDPB_HPD0 ==> USB_C0_DP_HPD */ /* E13 : DDPB_HPD0 ==> USB_C0_DP_HPD */