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

chip soc/intel/skylake

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

	register "panel_cfg" = "{
		.up_delay_ms		=  200,
		.down_delay_ms		=  500,
		.cycle_delay_ms		=  600,
		.backlight_on_delay_ms	=    1,
		.backlight_off_delay_ms	=  200,
		.backlight_pwm_hz	= 1000,
	}"

	# 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_B"
	register "gpe0_dw1" = "GPP_D"
	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 "DspEnable" = "1"
	register "IoBufferOwnership" = "3"
	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

	# 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     |
	#| VrVoltageLimit | 1.52V | 1.52V | 1.52V | 1.52V |
	#| AcLoadline     | 14.4  | 4.2   | 5.7   | 4.47  |
	#| DcLoadline     | 14.0  | 4.17  | 4.2   | 4.3   |
	#+----------------+-------+-------+-------+-------+
	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 = 1440,
		.dc_loadline = 1400,
	}"

	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 = 420,
		.dc_loadline = 417,
	}"

	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 = 570,
		.dc_loadline = 420,
	}"

	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 = 447,
		.dc_loadline = 430,
	}"

	# Enable Root port 1.
	register "PcieRpEnable[0]" = "1"
	# Enable CLKREQ#
	register "PcieRpClkReqSupport[0]" = "1"
	# RP 1 uses SRCCLKREQ1#
	register "PcieRpClkReqNumber[0]" = "1"
	# RP 1 uses CLK SRC 1
	register "PcieRpClkSrcNumber[0]" = "1"
	# RP 1, Enable Advanced Error Reporting
	register "PcieRpAdvancedErrorReporting[0]" = "1"
	# RP 1, Enable Latency Tolerance Reporting Mechanism
	register "PcieRpLtrEnable[0]" = "1"

	# Intel Common SoC Config
	#+-------------------+---------------------------+
	#| Field             |  Value                    |
	#+-------------------+---------------------------+
	#| I2C0              | Touchscreen               |
	#| I2C1              | Trackpad                  |
	#| I2C5              | Audio                     |
	#| pch_thermal_trip  | PCH Trip Temperature      |
	#+-------------------+---------------------------+
	register "common_soc_config" = "{
		.i2c[0] = {
			.speed = I2C_SPEED_FAST,
			.speed_config[0] = {
				.speed = I2C_SPEED_FAST,
				.scl_lcnt = 190,
				.scl_hcnt = 100,
				.sda_hold = 36,
			},
		},
		.i2c[1] = {
			.speed = I2C_SPEED_FAST,
			.speed_config[0] = {
				.speed = I2C_SPEED_FAST,
				.scl_lcnt = 170,
				.scl_hcnt = 100,
				.sda_hold = 36,
			},
			.early_init = 1,
		},
		.i2c[5] = {
			.speed = I2C_SPEED_FAST,
			.speed_config[0] = {
				.speed = I2C_SPEED_FAST,
				.scl_lcnt = 190,
				.scl_hcnt = 100,
				.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[1]" = "I2C_VOLTAGE_3V3"

	# Audio
	register "i2c_voltage[5]" = "I2C_VOLTAGE_1V8"

	# Must leave UART0 enabled or SD/eMMC will not work as PCI
	register "SerialIoDevMode" = "{
		[PchSerialIoIndexI2C0]  = PchSerialIoPci,
		[PchSerialIoIndexI2C1]  = PchSerialIoPci,
		[PchSerialIoIndexI2C2]  = PchSerialIoDisabled,
		[PchSerialIoIndexI2C3]  = PchSerialIoDisabled,
		[PchSerialIoIndexI2C4]  = PchSerialIoDisabled,
		[PchSerialIoIndexI2C5]  = PchSerialIoPci,
		[PchSerialIoIndexSpi0]  = PchSerialIoPci,
		[PchSerialIoIndexSpi1]  = PchSerialIoDisabled,
		[PchSerialIoIndexUart0] = PchSerialIoSkipInit,
		[PchSerialIoIndexUart1] = PchSerialIoDisabled,
		[PchSerialIoIndexUart2] = PchSerialIoSkipInit,
	}"

	# PL2 override 18W for AML-Y
	register "power_limits_config" = "{
		.tdp_pl2_override = 18,
		.psys_pmax = 45,
	}"
	register "tcc_offset" = "10"     # TCC of 90C

	# Use default SD card detect GPIO configuration
	register "sdcard_cd_gpio" = "GPP_E15"

	device domain 0 on
		device ref system_agent 	on  end
		device ref igpu 		on  end
		device ref sa_thermal 		on  end
		device ref imgu 		off end
		device ref south_xhci		on
			register "usb2_ports" = "{
				[0] = USB2_PORT_SHORT(OC0),	// Type-C Port 1
				[1] = USB2_PORT_LONG(OC3),	// Type-A Port
				[2] = USB2_PORT_SHORT(OC_SKIP),	// Bluetooth
				[4] = USB2_PORT_LONG(OC1),	// Type-C Port 2
				[6] = USB2_PORT_SHORT(OC_SKIP),	// H1
				[8] = USB2_PORT_SHORT(OC_SKIP),	// Camera
			}"

			register "usb3_ports" = "{
				[0] = USB3_PORT_DEFAULT(OC0),	// Type-C Port 1
				[1] = USB3_PORT_DEFAULT(OC1),	// Type-C Port 2
				[2] = USB3_PORT_DEFAULT(OC3),	// Type-A Port
			}"
			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" = ""USB Type A Port 1""
						register "type" = "UPC_TYPE_A"
						device usb 2.1 on end
					end
					chip drivers/usb/acpi
						register "desc" = ""Bluetooth""
						register "type" = "UPC_TYPE_INTERNAL"
						register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C8)"
						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
					chip drivers/usb/acpi
						register "desc" = ""Camera""
						register "type" = "UPC_TYPE_INTERNAL"
						device usb 2.8 on end
					end
				end
			end
		end
		device ref south_xdci		off end
		device ref thermal		on  end
		device ref cio			off end
		device ref i2c0			on
			chip drivers/i2c/hid
				register "generic.hid" = ""PNP0C50""
				register "generic.desc" = ""SISC Touchscreen""
				register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_E7_IRQ)"
				register "generic.detect" = "1"
				register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C22)"
				register "generic.enable_delay_ms" = "105"
				register "generic.stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_E3)"
				register "generic.stop_off_delay_ms" = "1"
				register "generic.has_power_resource" = "1"
				register "hid_desc_reg_offset" = "0x0"
				device i2c 5c on end
			end
		end
		device ref i2c1			on
			chip drivers/i2c/generic
				register "hid" = ""ELAN0000""
				register "desc" = ""ELAN Touchpad""
				register "irq" = "ACPI_IRQ_LEVEL_LOW(GPP_B3_IRQ)"
				register "wake" = "GPE0_DW0_05" # GPP_B5
				register "detect" = "1"
				device i2c 15 on end
			end
		end
		device ref i2c2			off end
		device ref i2c3			off end
		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			on
			chip drivers/i2c/max98927
				register "interleave_mode" = "1"
				register "vmon_slot_no" = "4"
				register "imon_slot_no" = "5"
				register "uid" = "0"
				register "desc" = ""SSM4567 Right Speaker Amp""
				register "name" = ""MAXR""
				device i2c 39 on end
			end
			chip drivers/i2c/max98927
				register "interleave_mode" = "1"
				register "vmon_slot_no" = "6"
				register "imon_slot_no" = "7"
				register "uid" = "1"
				register "desc" = ""SSM4567 Left Speaker Amp""
				register "name" = ""MAXL""
				device i2c 3A on end
			end
			chip drivers/i2c/da7219
				register "irq" = "ACPI_IRQ_LEVEL_LOW(GPP_D9_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 i2c4			off end
		device ref pcie_rp1		on
			chip drivers/wifi/generic
				register "wake" = "GPE0_DW0_00" # GPP_B0
				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			on  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