From 8b6f8cc1aca3a80068d1013c6b7c316fec16cbd2 Mon Sep 17 00:00:00 2001 From: Nick Vaccaro Date: Sat, 29 Sep 2018 14:54:44 -0700 Subject: mb/google/poppy/variant/nocturne: increase touchscreen reset delay Increase the reset delay for the touchscreen to 10 ms. BUG=b:116857433 TEST='emerge-nocturne coreboot chromeos-bootimage', flash and boot nocturne to kernel, log in and execute the following two commands: echo "i2c-WCOM50C1:00" > /sys/bus/i2c/drivers/i2c_hid/unbind echo "i2c-WCOM50C1:00" > /sys/bus/i2c/drivers/i2c_hid/bind and verify the bind command does not echo back a "-bash: echo: write error: No such device" error. Change-Id: I102b57ea5a10d22bee6d4f7c6f114b380a5d586b Signed-off-by: Nick Vaccaro Reviewed-on: https://review.coreboot.org/28803 Reviewed-by: Paul Menzel Reviewed-by: Furquan Shaikh Reviewed-by: Caveh Jalali Tested-by: build bot (Jenkins) --- src/mainboard/google/poppy/variants/nocturne/devicetree.cb | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'src/mainboard/google/poppy') diff --git a/src/mainboard/google/poppy/variants/nocturne/devicetree.cb b/src/mainboard/google/poppy/variants/nocturne/devicetree.cb index 70a379c799..df63a91fb3 100644 --- a/src/mainboard/google/poppy/variants/nocturne/devicetree.cb +++ b/src/mainboard/google/poppy/variants/nocturne/devicetree.cb @@ -291,10 +291,11 @@ chip soc/intel/skylake register "generic.speed" = "I2C_SPEED_FAST_PLUS" register "generic.probed" = "1" register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_E11)" - register "generic.reset_delay_ms" = "1" + register "generic.reset_delay_ms" = "10" register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C22)" register "generic.enable_delay_ms" = "1" register "generic.has_power_resource" = "1" + register "generic.disable_gpio_export_in_crs" = "1" register "hid_desc_reg_offset" = "0x1" device i2c 0a on end end -- cgit v1.2.3