From 164b4a1d90f1f564879cd97fa1d9e7b3a8f38ef6 Mon Sep 17 00:00:00 2001 From: David Wu Date: Mon, 1 Sep 2025 19:12:49 +0800 Subject: [PATCH] mb/google/nissa/var/craask: Add parade touchscreen support This change adds the necessary configuration for the parade touchscreen (PRT3406) device, connected to I2C bus 24. It includes settings for: * HID descriptor * Device description * IRQ configuration * Detection * Reset, stop and enable GPIOs with their respective delays * Power resource handling * HID descriptor register offset BUG=b:431660019 TEST=emerge-nissa coreboot and parade touchscreen can work well Change-Id: Iaaf740032de973461b616e186ac628436cbbc2a5 Signed-off-by: David Wu Reviewed-on: https://review.coreboot.org/c/coreboot/+/89009 Tested-by: build bot (Jenkins) Reviewed-by: Eric Lai Reviewed-by: Ren Kuo --- .../brya/variants/craask/overridetree.cb | 21 +++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/src/mainboard/google/brya/variants/craask/overridetree.cb b/src/mainboard/google/brya/variants/craask/overridetree.cb index 677abedb47..7014e6a77f 100644 --- a/src/mainboard/google/brya/variants/craask/overridetree.cb +++ b/src/mainboard/google/brya/variants/craask/overridetree.cb @@ -39,6 +39,7 @@ fw_config option TS_GTCH7503 1 option TS_ILTK0001 2 option TS_FTSC1000 3 + option TS_PRT3406 4 end end @@ -449,6 +450,26 @@ chip soc/intel/alderlake probe TS_SOURCE TS_FTSC1000 end end + chip drivers/i2c/hid + register "generic.hid" = ""PRT3406"" + register "generic.desc" = ""Parade Touchscreen"" + register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_C7_IRQ)" + register "generic.detect" = "1" + register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C1)" + register "generic.reset_delay_ms" = "130" + register "generic.reset_off_delay_ms" = "2" + register "generic.stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C6)" + register "generic.stop_delay_ms" = "280" + register "generic.stop_off_delay_ms" = "2" + register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C0)" + register "generic.enable_delay_ms" = "1" + register "generic.has_power_resource" = "1" + register "generic.use_gpio_for_status" = "true" + register "hid_desc_reg_offset" = "0x01" + device i2c 24 on + probe TS_SOURCE TS_PRT3406 + end + end end device ref i2c2 on chip drivers/intel/mipi_camera