src/mainboard/amd/chausie/devicetree.cb

# SPDX-License-Identifier: GPL-2.0-only

chip soc/amd/sabrina
	register "common_config.espi_config" = "{
		.std_io_decode_bitmap = ESPI_DECODE_IO_0x80_EN | ESPI_DECODE_IO_0X2E_0X2F_EN,
		.io_mode = ESPI_IO_MODE_QUAD,
		.op_freq_mhz = ESPI_OP_FREQ_16_MHZ,
		.crc_check_enable = 1,
		.alert_pin = ESPI_ALERT_PIN_PUSH_PULL,
		.periph_ch_en = 1,
		.vw_ch_en = 1,
		.oob_ch_en = 1,
		.flash_ch_en = 0,
	}"

	# I2C Pad Control RX Select Configuration
	register "i2c_pad[0].rx_level" = "I2C_PAD_RX_1_8V"
	register "i2c_pad[1].rx_level" = "I2C_PAD_RX_1_8V"
	register "i2c_pad[2].rx_level" = "I2C_PAD_RX_1_8V"
	register "i2c_pad[3].rx_level" = "I2C_PAD_RX_1_8V"

	register "s0ix_enable" = "true"

	register "pspp_policy" = "DXIO_PSPP_BALANCED"

	device domain 0 on
		device ref iommu on end
		device ref gpp_bridge_0 on end # NVMe
		device ref gpp_bridge_1 on end
		device ref gpp_bridge_2 on end # WWAN
		device ref gpp_bridge_3 on end # LAN
		device ref gpp_bridge_4 on end # WLAN
		device ref gpp_bridge_5 on end
		device ref gpp_bridge_a on  # Internal GPP Bridge 0 to Bus A
			device ref gfx on end # Internal GPU (GFX)
			device ref crypto on end # Crypto Coprocessor
			device ref xhci_0 on # USB 3.1 (USB0)
				chip drivers/usb/acpi
					device ref xhci_0_root_hub on
						chip drivers/usb/acpi
							device ref usb3_port0 on end
						end
						chip drivers/usb/acpi
							device ref usb2_port0 on end
						end
						chip drivers/usb/acpi
							device ref usb2_port1 on end
						end
					end
				end
			end
			device ref xhci_1 on # USB 3.1 (USB1)
				chip drivers/usb/acpi
					device ref xhci_1_root_hub on
						chip drivers/usb/acpi
							device ref usb3_port2 on end
						end
						chip drivers/usb/acpi
							device ref usb3_port3 on end
						end
						chip drivers/usb/acpi
							device ref usb2_port2 on end
						end
						chip drivers/usb/acpi
							device ref usb2_port3 on end
						end
						chip drivers/usb/acpi
							device ref usb2_port4 on end
						end
					end
				end
			end
		end
	end

	device ref uart_0 on end # UART0

end