src/mainboard/google/poppy/variants/atlas/devicetree.cb

chip soc/intel/skylake

	# IGD Displays
	register "gfx" = "GMA_STATIC_DISPLAYS(0)"

	register "panel_cfg" = "{
		.up_delay_ms		= 200,
		.down_delay_ms		=  50,
		.cycle_delay_ms		= 600,
		.backlight_on_delay_ms	=   1,
		.backlight_off_delay_ms	= 200,
		.backlight_pwm_hz	= 200,
	}"

	# Deep Sx states
	register "deep_s3_enable_ac" = "0"
	register "deep_s3_enable_dc" = "0"
	register "deep_s5_enable_ac" = "1"
	register "deep_s5_enable_dc" = "1"
	register "deep_sx_config" = "DSX_EN_LAN_WAKE_PIN | DSX_EN_WAKE_PIN | DSX_DIS_AC_PRESENT_PD"

	# GPE configuration
	# Note that GPE events called out in ASL code rely on this
	# route. i.e. If this route changes then the affected GPE
	# offset bits also need to be changed.
	register "gpe0_dw0" = "GPP_A"
	register "gpe0_dw1" = "GPP_B"
	register "gpe0_dw2" = "GPP_E"

	# EC host command ranges are in 0x800-0x8ff & 0x200-0x20f
	register "gen1_dec" = "0x00fc0801"
	register "gen2_dec" = "0x000c0201"
	# EC memory map range is 0x900-0x9ff
	register "gen3_dec" = "0x00fc0901"

	# Enable DPTF
	register "dptf_enable" = "1"

	# Enable S0ix
	register "s0ix_enable" = true

	# Disable Command TriState
	register "CmdTriStateDis" = "1"

	# FSP Configuration
	register "SataSalpSupport" = "0"
	register "SataPortsEnable[0]" = "0"
	register "DspEnable" = "1"
	register "IoBufferOwnership" = "3"
	register "SsicPortEnable" = "0"
	register "ScsEmmcHs400Enabled" = "1"
	register "SkipExtGfxScan" = "1"
	register "SaGv" = "SaGv_Enabled"
	register "PmConfigSlpS3MinAssert" = "2"        # 50ms
	register "PmConfigSlpS4MinAssert" = "1"        # 1s
	register "PmConfigSlpSusMinAssert" = "1"       # 500ms
	register "PmConfigSlpAMinAssert" = "3"         # 2s

	register "power_limits_config" = "{
		.tdp_pl1_override = 7,
		.tdp_pl2_override = 15,
		.psys_pmax = 45,
	}"
	register "tcc_offset" = "10"

	# VR Settings Configuration for 4 Domains
	#+----------------+-------+-------+-------+-------+
	#| Domain/Setting |  SA   |  IA   | GTUS  |  GTS  |
	#+----------------+-------+-------+-------+-------+
	#| Psi1Threshold  | 20A   | 20A   | 20A   | 20A   |
	#| Psi2Threshold  | 2A    | 2A    | 2A    | 2A    |
	#| Psi3Threshold  | 1A    | 1A    | 1A    | 1A    |
	#| Psi3Enable     | 1     | 1     | 1     | 1     |
	#| Psi4Enable     | 1     | 1     | 1     | 1     |
	#| ImonSlope      | 0     | 0     | 0     | 0     |
	#| ImonOffset     | 0     | 0     | 0     | 0     |
	#| IccMax         | set by SoC code per CPU SKU   |
	#| VrVoltageLimit | 1.52V | 1.52V | 1.52V | 1.52V |
	#| AcLoadline     | 16.20 | 5.24  | 4.62  | 4.62  |
	#| DcLoadline     | 14.2  | 4.94  | 4.25  | 4.25  |
	#+----------------+-------+-------+-------+-------+
	register "domain_vr_config[VR_SYSTEM_AGENT]" = "{
		.vr_config_enable = 1,
		.psi1threshold = VR_CFG_AMP(20),
		.psi2threshold = VR_CFG_AMP(2),
		.psi3threshold = VR_CFG_AMP(1),
		.psi3enable = 1,
		.psi4enable = 1,
		.imon_slope = 0x0,
		.imon_offset = 0x0,
		.voltage_limit = 1520,
		.ac_loadline = 1620,
		.dc_loadline = 1420,
	}"

	register "domain_vr_config[VR_IA_CORE]" = "{
		.vr_config_enable = 1,
		.psi1threshold = VR_CFG_AMP(20),
		.psi2threshold = VR_CFG_AMP(2),
		.psi3threshold = VR_CFG_AMP(1),
		.psi3enable = 1,
		.psi4enable = 1,
		.imon_slope = 0x0,
		.imon_offset = 0x0,
		.voltage_limit = 1520,
		.ac_loadline = 524,
		.dc_loadline = 494,
	}"

	register "domain_vr_config[VR_GT_UNSLICED]" = "{
		.vr_config_enable = 1,
		.psi1threshold = VR_CFG_AMP(20),
		.psi2threshold = VR_CFG_AMP(2),
		.psi3threshold = VR_CFG_AMP(1),
		.psi3enable = 1,
		.psi4enable = 1,
		.imon_slope = 0x0,
		.imon_offset = 0x0,
		.voltage_limit = 1520,
		.ac_loadline = 462,
		.dc_loadline = 425,
	}"

	register "domain_vr_config[VR_GT_SLICED]" = "{
		.vr_config_enable = 1,
		.psi1threshold = VR_CFG_AMP(20),
		.psi2threshold = VR_CFG_AMP(2),
		.psi3threshold = VR_CFG_AMP(1),
		.psi3enable = 1,
		.psi4enable = 1,
		.imon_slope = 0x0,
		.imon_offset = 0x0,
		.voltage_limit = 1520,
		.ac_loadline = 462,
		.dc_loadline = 425,
	}"

	# PCIe Root port 1 with SRCCLKREQ1# (WLAN)
	register "PcieRpEnable[0]" = "1"
	register "PcieRpClkReqSupport[0]" = "1"
	register "PcieRpClkReqNumber[0]" = "1"
	register "PcieRpClkSrcNumber[0]" = "1"
	register "PcieRpAdvancedErrorReporting[0]" = "1"
	register "PcieRpLtrEnable[0]" = "1"

	# USB 2.0
	register "usb2_ports[0]" = "USB2_PORT_LONG(OC0)"	# Type-C Port 1
	register "usb2_ports[2]" = "USB2_PORT_SHORT(OC_SKIP)"	# Bluetooth
	register "usb2_ports[4]" = "USB2_PORT_LONG(OC1)"	# Type-C Port 2

	# USB 3.0
	register "usb3_ports[0]" = "USB3_PORT_DEFAULT(OC0)"	# Type-C Port 1
	register "usb3_ports[1]" = "USB3_PORT_DEFAULT(OC1)"	# Type-C Port 2

	# Intel Common SoC Config
	#+-------------------+---------------------------+
	#| Field             |  Value                    |
	#+-------------------+---------------------------+
	#| GSPI0             | cr50 TPM. Early init is   |
	#|                   | required to set up a BAR  |
	#|                   | for TPM communication     |
	#|                   | before memory is up       |
	#| I2C0              | Touchscreen               |
	#| I2C2              | Trackpad                  |
	#| I2C3              | Camera                    |
	#| I2C4              | Audio                     |
	#| pch_thermal_trip  | PCH Trip Temperature      |
	#+-------------------+---------------------------+
	register "common_soc_config" = "{
		.i2c[0] = {
			.speed = I2C_SPEED_FAST,
			.rise_time_ns = 98,
			.fall_time_ns = 38,
		},
		.i2c[2] = {
			.speed = I2C_SPEED_FAST,
			.speed_config[0] = {
				.speed = I2C_SPEED_FAST,
				.scl_lcnt = 186,
				.scl_hcnt = 93,
				.sda_hold = 36,
			},
		},
		.i2c[3] = {
			.speed = I2C_SPEED_FAST,
			.rise_time_ns = 98,
			.fall_time_ns = 38,
		},
		.i2c[4] = {
			.speed = I2C_SPEED_FAST,
			.speed_config[0] = {
				.speed = I2C_SPEED_FAST,
				.scl_lcnt = 176,
				.scl_hcnt = 95,
				.sda_hold = 36,
			}
		},
		.gspi[0] = {
			.speed_mhz = 1,
			.early_init = 1,
		},
		.pch_thermal_trip = 75,
	}"
	# Touchscreen
	register "i2c_voltage[0]" = "I2C_VOLTAGE_3V3"

	# Trackpad
	register "i2c_voltage[2]" = "I2C_VOLTAGE_1V8"

	# Camera
	register "i2c_voltage[3]" = "I2C_VOLTAGE_1V8"

	# Audio
	register "i2c_voltage[4]" = "I2C_VOLTAGE_1V8"

	register "SerialIoDevMode" = "{
		[PchSerialIoIndexI2C0]  = PchSerialIoPci,
		[PchSerialIoIndexI2C1]  = PchSerialIoDisabled,
		[PchSerialIoIndexI2C2]  = PchSerialIoPci,
		[PchSerialIoIndexI2C3]  = PchSerialIoPci,
		[PchSerialIoIndexI2C4]  = PchSerialIoPci,
		[PchSerialIoIndexI2C5]  = PchSerialIoDisabled,
		[PchSerialIoIndexSpi0]  = PchSerialIoPci,
		[PchSerialIoIndexSpi1]  = PchSerialIoDisabled,
		[PchSerialIoIndexUart0] = PchSerialIoSkipInit,
		[PchSerialIoIndexUart1] = PchSerialIoDisabled,
		[PchSerialIoIndexUart2] = PchSerialIoSkipInit,
	}"

	device domain 0 on
		device ref system_agent		on  end
		device ref igpu			on  end
		device ref sa_thermal		on  end
		device ref imgu			on  end
		device ref ish			off end
		device ref south_xhci		on
			chip drivers/usb/acpi
				register "desc" = ""Root Hub""
				register "type" = "UPC_TYPE_HUB"
				device usb 0.0 on
					chip drivers/usb/acpi
						register "desc" = ""USB Type C Port 1""
						register "type" = "UPC_TYPE_C_USB2_SS_SWITCH"
						device usb 2.0 on end
					end
					chip drivers/usb/acpi
						register "desc" = ""Bluetooth""
						register "type" = "UPC_TYPE_INTERNAL"
						register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_E2)"
						device usb 2.2 on end
					end
					chip drivers/usb/acpi
						register "desc" = ""USB Type C Port 2""
						register "type" = "UPC_TYPE_C_USB2_SS_SWITCH"
						device usb 2.4 on end
					end
				end
			end
		end
		device ref south_xdci		on  end
		device ref thermal		on  end
		device ref cio			on  end
		device ref i2c0			on
			chip drivers/i2c/hid
				register "generic.hid" = ""ACPI0C50""
				register "generic.desc" = ""STM Touchscreen""
				register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_E7_IRQ)"
				register "generic.speed" = "I2C_SPEED_FAST"
				register "generic.has_power_resource" = "1"
				register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C22)"
				# 2ms for load switch slew + 5 ms for touchscreen
				register "generic.enable_delay_ms" = "7"
				register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_E11)"
				register "generic.reset_delay_ms" = "20"
				register "generic.reset_off_delay_ms" = "1"
				register "hid_desc_reg_offset" = "0xab"
				device i2c 0x49 on end
			end
		end
		device ref i2c1			off end
		device ref i2c2			on
			chip drivers/i2c/hid
				register "generic.hid" = ""ACPI0C50""
				register "generic.desc" = ""ELAN Touchpad""
				register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_A19_IRQ)"
				register "generic.wake" = "GPE0_DW0_23" # GPP_A23
				register "hid_desc_reg_offset" = "0x01"
				device i2c 0x15 on end
			end
		end
		device ref i2c3			on  end # Camera
		device ref heci1		on  end
		device ref heci2		off end
		device ref csme_ider		off end
		device ref csme_ktr		off end
		device ref heci3		off end
		device ref sata			off end
		device ref uart2		on  end
		device ref i2c5			off end
		device ref i2c4			on
			chip drivers/i2c/max98373
				register "vmon_slot_no" = "4"
				register "imon_slot_no" = "5"
				register "uid" = "0"
				register "desc" = ""RIGHT SPEAKER AMP""
				register "name" = ""MAXR""
				device i2c 31 on end
			end
			chip drivers/i2c/max98373
				register "vmon_slot_no" = "6"
				register "imon_slot_no" = "7"
				register "uid" = "1"
				register "desc" = ""LEFT SPEAKER AMP""
				register "name" = ""MAXL""
				device i2c 32 on end
			end
			chip drivers/i2c/da7219
				register "irq" = "ACPI_IRQ_LEVEL_LOW(GPP_F10_IRQ)"
				register "btn_cfg" = "50"
				register "mic_det_thr" = "200"
				register "jack_ins_deb" = "20"
				register "jack_det_rate" = ""32ms_64ms""
				register "jack_rem_deb" = "1"
				register "a_d_btn_thr" = "0xa"
				register "d_b_btn_thr" = "0x16"
				register "b_c_btn_thr" = "0x21"
				register "c_mic_btn_thr" = "0x3e"
				register "btn_avg" = "4"
				register "adc_1bit_rpt" = "1"
				register "micbias_lvl" = "2600"
				register "mic_amp_in_sel" = ""diff""
				device i2c 1a on end
			end
		end
		device ref pcie_rp1		on
			chip drivers/wifi/generic
				register "wake" = "GPE0_DW1_07" # GPP_B7
				device pci 00.0 on end
			end
		end
		device ref pcie_rp2 		off end
		device ref pcie_rp3 		off end
		device ref pcie_rp4 		off end
		device ref pcie_rp5 		off end
		device ref pcie_rp6 		off end
		device ref pcie_rp7 		off end
		device ref pcie_rp8 		off end
		device ref pcie_rp9 		off end
		device ref pcie_rp10	 	off end
		device ref pcie_rp11	 	off end
		device ref pcie_rp12	 	off end
		device ref uart0	 	on  end
		device ref uart1	 	off end
		device ref gspi0		on
			chip drivers/spi/acpi
				register "hid" = "ACPI_DT_NAMESPACE_HID"
				register "compat_string" = ""google,cr50""
				register "irq" = "ACPI_IRQ_EDGE_LOW(GPP_E0_IRQ)"
				device spi 0 on end
			end
		end
		device ref gspi1	 	off end
		device ref emmc 		on  end
		device ref sdio 		off end
		device ref sdxc 		off end
		device ref lpc_espi		on
			chip ec/google/chromeec
				device pnp 0c09.0 on end
			end
		end
		device ref p2sb 		on  end
		device ref pmc 			on  end
		device ref hda 			on  end
		device ref smbus	 	on  end
		device ref fast_spi	 	on  end
		device ref gbe 			off end
	end
end