# SPDX-License-Identifier: GPL-2.0-or-later chip soc/amd/picasso # Start : OPN Performance Configuration # See devhub #55593 Chapter 3.2 for documentation # For the below fields, 0 indicates use SOC default # System config index register "system_config" = "2" # Set STAPM confiuration. All of these fields must be set >0 to take affect register "slow_ppt_limit" = "25000" #mw register "fast_ppt_limit" = "30000" #mw register "slow_ppt_time_constant" = "5" #second register "stapm_time_constant" = "200" #second register "sustained_power_limit" = "15000" #mw register "telemetry_vddcr_vdd_slope" = "102586" #mA register "telemetry_vddcr_vdd_offset" = "0" register "telemetry_vddcr_soc_slope" = "26967" #mA register "telemetry_vddcr_soc_offset" = "0" # End : OPN Performance Configuration # USB OC pin mapping register "usb_port_overcurrent_pin[2]" = "USB_OC_NONE" # NC # Enable I2C2 for trackpad, touchscreen, pen at 400kHz register "i2c[2]" = "{ .speed = I2C_SPEED_FAST, .rise_time_ns = 21, /* 0 to 2.31 (3.3 * .7) */ .fall_time_ns = 76, /* 2.31 to 0 */ }" # Enable I2C3 for H1 400kHz register "i2c[3]" = "{ .speed = I2C_SPEED_FAST, .rise_time_ns = 125, /* 0 to 1.26v (1.8 * .7) */ .fall_time_ns = 37, /* 1.26v to 0 */ .early_init = true, }" # See AMD 55570-B1 Table 13: PCI Device ID Assignments. device domain 0 on subsystemid 0x1022 0x1510 inherit chip drivers/usb/acpi device usb 2.2 off end end chip drivers/usb/acpi device usb 3.2 off end end end # domain device mmio 0xfedc4000 on chip drivers/i2c/generic register "hid" = ""ELAN0000"" register "desc" = ""ELAN Touchpad"" register "irq_gpio" = "ACPI_GPIO_IRQ_EDGE_LOW(GPIO_9)" register "wake" = "GEVENT_22" register "probed" = "1" device i2c 15 on end end chip drivers/i2c/hid register "generic.hid" = ""ELAN9008"" register "generic.desc" = ""ELAN Touchscreen"" register "generic.probed" = "1" register "generic.irq_gpio" = "ACPI_GPIO_IRQ_EDGE_LOW(GPIO_12)" register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_90)" register "generic.enable_delay_ms" = "1" register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPIO_140)" register "generic.reset_delay_ms" = "50" register "generic.reset_off_delay_ms" = "1" register "generic.stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPIO_144)" register "generic.stop_off_delay_ms" = "1" register "generic.has_power_resource" = "1" register "generic.disable_gpio_export_in_crs" = "1" register "hid_desc_reg_offset" = "0x01" device i2c 10 on end end end end # chip soc/amd/picasso