google/glados: Move devices from mainboard.asl to devicetree

Declare the mainboard attached devices in the devicetree and enable
the provided device drivers by default to generate the ACPI objects
for these devices.  Then remove the static ACPI objects from the DSDT
in mainboard.asl.

This was verified on a glados board by verifying the SSDT contents
against what used to be in the DSDT.

Change-Id: I710cbb8462d0fe695297102a64bec8e4212acc65
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://review.coreboot.org/15315
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins)

3 files changed, 67 insertions, 210 deletions

diff --git a/src/mainboard/google/glados/Kconfig b/src/mainboard/google/glados/Kconfig
index 514db1ba51..abe5fa84f9 100644
--- a/src/mainboard/google/glados/Kconfig
+++ b/src/mainboard/google/glados/Kconfig
@@ -29,6 +29,15 @@ config CHROMEOS
 	select VBOOT_OPROM_MATTERS
 	select VIRTUAL_DEV_SWITCH
 
+config DRIVERS_I2C_GENERIC
+	def_bool y
+
+config DRIVERS_I2C_NAU8825
+	def_bool y
+
+config DRIVERS_INTEL_WIFI
+	def_bool y
+
 config IRQ_SLOT_COUNT
 	int
 	default 18
diff --git a/src/mainboard/google/glados/acpi/mainboard.asl b/src/mainboard/google/glados/acpi/mainboard.asl
index 3fbe33224a..f2503a89d7 100644
--- a/src/mainboard/google/glados/acpi/mainboard.asl
+++ b/src/mainboard/google/glados/acpi/mainboard.asl
@@ -15,17 +15,6 @@
 
 #include "../gpio.h"
 
-#define BOARD_TOUCHPAD_I2C_ADDR			0x15
-#define BOARD_TOUCHPAD_IRQ			TOUCHPAD_INT_L
-
-#define BOARD_TOUCHSCREEN_I2C_ADDR		0x10
-#define BOARD_TOUCHSCREEN_IRQ			TOUCHSCREEN_INT_L
-
-#define BOARD_HP_MIC_CODEC_I2C_ADDR		0x1a
-#define BOARD_HP_MIC_CODEC_IRQ			MIC_INT_L
-#define BOARD_LEFT_SPEAKER_AMP_I2C_ADDR		0x34
-#define BOARD_RIGHT_SPEAKER_AMP_I2C_ADDR	0x35
-
 Scope (\_SB)
 {
 	Device (LID0)
@@ -52,198 +41,3 @@ Scope (\_SB.PCI0.LPCB)
 {
 	#include <drivers/pc80/tpm/acpi/tpm.asl>
 }
-
-/*
- * WLAN connected to Root Port 1
- */
-Scope (\_SB.PCI0.RP01)
-{
-	Device (WLAN)
-	{
-		Name (_ADR, 0x00000000)
-		Name (_DDN, "Wireless LAN")
-		Name (_PRW, Package () { GPE_WLAN_WAKE, 3 })
-
-		#include <drivers/intel/wifi/acpi/wrdd.asl>
-	}
-}
-
-Scope (\_SB.PCI0.I2C0)
-{
-	/* Touchscreen */
-	Device (ELTS)
-	{
-		Name (_HID, "ELAN0001")
-		Name (_DDN, "Elan Touchscreen")
-		Name (_UID, 1)
-		Name (_S0W, 4)
-
-		Name (_CRS, ResourceTemplate ()
-		{
-			I2cSerialBus (
-				BOARD_TOUCHSCREEN_I2C_ADDR,
-				ControllerInitiated,
-				400000,
-				AddressingMode7Bit,
-				"\\_SB.PCI0.I2C0",
-			)
-			Interrupt (ResourceConsumer, Edge, ActiveLow)
-			{
-				BOARD_TOUCHSCREEN_IRQ
-			}
-		})
-
-		Method (_STA)
-		{
-			Return (0xF)
-		}
-	}
-}
-
-Scope (\_SB.PCI0.I2C1)
-{
-	/* Touchpad */
-	Device (ELTP)
-	{
-		Name (_HID, "ELAN0000")
-		Name (_DDN, "Elan Touchpad")
-		Name (_UID, 1)
-		Name (_S0W, 4)
-
-		Name (_CRS, ResourceTemplate ()
-		{
-			I2cSerialBus (
-				BOARD_TOUCHPAD_I2C_ADDR,
-				ControllerInitiated,
-				400000,
-				AddressingMode7Bit,
-				"\\_SB.PCI0.I2C1",
-			)
-			Interrupt (ResourceConsumer, Edge, ActiveLow)
-			{
-				BOARD_TOUCHPAD_IRQ
-			}
-		})
-
-		Method (_STA)
-		{
-			Return (0xF)
-		}
-	}
-}
-
-Scope (\_SB.PCI0.I2C4)
-{
-	/* Headphone Codec */
-	Device (HPMC)
-	{
-		Name (_HID, "10508825")
-		Name (_DDN, "NAU88L25 Codec")
-		Name (_UID, 1)
-
-		/*
-		 * Add DT style bindings with _DSD
-		 * Device property values are documented in kernel doc
-		 * Documentation/devicetree/bindings/sound/nau8825.txt
-		 */
-		Name (_DSD, Package () {
-			ToUUID ("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
-			Package () {
-				/* Enable jack detection via JKDET pin */
-				Package () {"nuvoton,jkdet-enable", 1},
-				/*
-				 * JKDET pin is pulled up by R389 on board.
-				 * JKDET pin polarity = active low
-				 */
-				Package () {"nuvoton,jkdet-polarity", 1},
-				/* VREF Impedance = 125 kOhm */
-				Package () {"nuvoton,vref-impedance", 2},
-				/* VDDA(1.8) * 1.53 = 2.754 */
-				Package () {"nuvoton,micbias-voltage", 6},
-				/*
-				 * Setup 4 buttons impedance according to
-				 * Android specification
-				 */
-				Package () {"nuvoton,sar-threshold-num", 4},
-				Package () {"nuvoton,sar-threshold",
-					Package () {0xc, 0x1e, 0x38, 0x60}},
-				Package () {"nuvoton,sar-hysteresis", 1},
-				/* VDDA for button impedance measurement */
-				Package () {"nuvoton,sar-voltage", 0},
-				/* 100ms short key press debounce */
-				Package () {"nuvoton,short-key-debounce", 2},
-				/* 2^(7+2) = 512 ms insert/eject debounce */
-				Package () {"nuvoton,jack-insert-debounce", 7},
-				Package () {"nuvoton,jack-eject-debounce", 7},
-			}
-		})
-
-		Name (_CRS, ResourceTemplate()
-		{
-			I2cSerialBus (
-				BOARD_HP_MIC_CODEC_I2C_ADDR,
-				ControllerInitiated,
-				400000,
-				AddressingMode7Bit,
-				"\\_SB.PCI0.I2C4",
-			)
-			Interrupt (ResourceConsumer, Level, ActiveLow)
-			{
-				BOARD_HP_MIC_CODEC_IRQ
-			}
-		})
-
-		Method (_STA)
-		{
-			Return (0xF)
-		}
-	}
-
-	/* Left Speaker Amp */
-	Device (SPKL)
-	{
-		Name (_HID, "INT343B")
-		Name (_DDN, "SSM4567 Speaker Amp")
-		Name (_UID, 0)
-
-		Name (_CRS, ResourceTemplate()
-		{
-			I2cSerialBus (
-				BOARD_LEFT_SPEAKER_AMP_I2C_ADDR,
-				ControllerInitiated,
-				400000,
-				AddressingMode7Bit,
-				"\\_SB.PCI0.I2C4",
-			)
-		})
-
-		Method (_STA)
-		{
-			Return (0xF)
-		}
-	}
-
-	/* Right Speaker Amp */
-	Device (SPKR)
-	{
-		Name (_HID, "INT343B")
-		Name (_DDN, "SSM4567 Speaker Amp")
-		Name (_UID, 1)
-
-		Name (_CRS, ResourceTemplate()
-		{
-			I2cSerialBus (
-				BOARD_RIGHT_SPEAKER_AMP_I2C_ADDR,
-				ControllerInitiated,
-				400000,
-				AddressingMode7Bit,
-				"\\_SB.PCI0.I2C4",
-			)
-		})
-
-		Method (_STA)
-		{
-			Return (0xF)
-		}
-	}
-}
diff --git a/src/mainboard/google/glados/devicetree.cb b/src/mainboard/google/glados/devicetree.cb
index 6518dbfdb2..ff145c548f 100644
--- a/src/mainboard/google/glados/devicetree.cb
+++ b/src/mainboard/google/glados/devicetree.cb
@@ -185,8 +185,23 @@ chip soc/intel/skylake
 		device pci 14.0 on  end # USB xHCI
 		device pci 14.1 off end # USB xDCI (OTG)
 		device pci 14.2 on  end # Thermal Subsystem
-		device pci 15.0 on  end # I2C #0
-		device pci 15.1 on  end # I2C #1
+		device pci 15.0 on
+			chip drivers/i2c/generic
+				register "hid" = ""ELAN0001""
+				register "desc" = ""ELAN Touchscreen""
+				register "irq" = "IRQ_EDGE_LOW(GPP_E7_IRQ)"
+				device i2c 10 on end
+			end
+		end # I2C #0
+		device pci 15.1 on
+			chip drivers/i2c/generic
+				register "hid" = ""ELAN0000""
+				register "desc" = ""ELAN Touchpad""
+				register "irq" = "IRQ_EDGE_LOW(GPP_B3_IRQ)"
+				register "wake" = "GPE0_DW0_05"
+				device i2c 15 on end
+			end
+		end # I2C #1
 		device pci 15.2 off end # I2C #2
 		device pci 15.3 off end # I2C #3
 		device pci 16.0 on  end # Management Engine Interface 1
@@ -197,8 +212,47 @@ chip soc/intel/skylake
 		device pci 17.0 off end # SATA
 		device pci 19.0 on  end # UART #2
 		device pci 19.1 off end # I2C #5
-		device pci 19.2 on  end # I2C #4
-		device pci 1c.0 on  end # PCI Express Port 1
+		device pci 19.2 on
+			chip drivers/i2c/nau8825
+				register "irq" = "IRQ_LEVEL_LOW(GPP_F10_IRQ)"
+				register "jkdet_enable" = "1"
+				register "jkdet_pull_enable" = "0"   # R389
+				register "jkdet_polarity" = "1"      # ActiveLow
+				register "vref_impedance" = "2"      # 125kOhm
+				register "micbias_voltage" = "6"     # 2.754
+				register "sar_threshold_num" = "4"
+				register "sar_threshold[0]" = "0x0c"
+				register "sar_threshold[1]" = "0x1e"
+				register "sar_threshold[2]" = "0x38"
+				register "sar_threshold[3]" = "0x60"
+				register "sar_hysteresis" = "1"
+				register "sar_voltage" = "0"          # VDDA
+				register "sar_compare_time" = "0"     # 500ns
+				register "sar_sampling_time" = "0"    # 2us
+				register "short_key_debounce" = "2"   # 100ms
+				register "jack_insert_debounce" = "7" # 512ms
+				register "jack_eject_debounce" = "7"  # 512ms
+				device i2c 1a on end
+			end
+			chip drivers/i2c/generic
+				register "hid" = ""INT343B""
+				register "desc" = ""SSM4567 Left Speaker Amp""
+				register "uid" = "0"
+				device i2c 34 on end
+			end
+			chip drivers/i2c/generic
+				register "hid" = ""INT343B""
+				register "desc" = ""SSM4567 Right Speaker Amp""
+				register "uid" = "1"
+				device i2c 35 on end
+			end
+		end # I2C #4
+		device pci 1c.0 on
+			chip drivers/intel/wifi
+				register "wake" = "GPE0_DW0_16"
+				device pci 00.0 on end
+			end
+		end # PCI Express Port 1
 		device pci 1c.1 off end # PCI Express Port 2
 		device pci 1c.2 off end # PCI Express Port 3
 		device pci 1c.3 off end # PCI Express Port 4