From 92dd8cea594226b118d2d1aa0bae1acd27f974e4 Mon Sep 17 00:00:00 2001 From: David Wu Date: Fri, 18 Jul 2025 19:17:07 +0800 Subject: [PATCH] mb/google/nissa/var/riven: 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:431658711 TEST=emerge-nissa coreboot and parade touchscreen can work well Change-Id: I5ca4853c4105d422b907c29fd0b3a4f2a1ce6d9f Signed-off-by: David Wu Reviewed-on: https://review.coreboot.org/c/coreboot/+/88483 Tested-by: build bot (Jenkins) Reviewed-by: Eric Lai Reviewed-by: Kapil Porwal --- .../google/brya/variants/riven/overridetree.cb | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/src/mainboard/google/brya/variants/riven/overridetree.cb b/src/mainboard/google/brya/variants/riven/overridetree.cb index ee3afa616b..7f92627145 100644 --- a/src/mainboard/google/brya/variants/riven/overridetree.cb +++ b/src/mainboard/google/brya/variants/riven/overridetree.cb @@ -303,6 +303,24 @@ chip soc/intel/alderlake register "hid_desc_reg_offset" = "0x01" device i2c 38 on 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" = "20" + 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 end + end chip drivers/generic/gpio_keys register "name" = ""PENH"" register "gpio" = "ACPI_GPIO_INPUT_ACTIVE_LOW(GPP_F13)"