[M] Change in coreboot[master]: mb/google/link: rework TP/TS ACPI to add support for new Windows I2C ...

[CoolStar (Code Review)]

CoolStar has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/76159?usp=email )

Change subject: mb/google/link: rework TP/TS ACPI to add support for new Windows I2C driver
......................................................................

mb/google/link: rework TP/TS ACPI to add support for new Windows I2C driver

Change-Id: If7ee05d15bc17d335cf8c1a8e80bea62800de475
Signed-off-by: CoolStar 
---
M src/mainboard/google/link/acpi/mainboard.asl
M src/mainboard/google/link/dsdt.asl
M src/mainboard/google/link/onboard.h
3 files changed, 113 insertions(+), 7 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/59/76159/1

diff --git a/src/mainboard/google/link/acpi/mainboard.asl b/src/mainboard/google/link/acpi/mainboard.asl
index 3e751bb..fe0c8fc 100644
--- a/src/mainboard/google/link/acpi/mainboard.asl
+++ b/src/mainboard/google/link/acpi/mainboard.asl
@@ -11,9 +11,6 @@
    	// automatically enable it as a wake source
    	Name(_HID, EisaId("PNP0C0E"))

-		// Trackpad Wake is GPIO12
-		Name(_PRW, Package() { BOARD_TRACKPAD_WAKE_GPIO, 0x03 } )
-
    	Name(_CRS, ResourceTemplate()
    	{
    		// PIRQE -> GSI20
@@ -35,9 +32,6 @@
    	// automatically enable it as a wake source
    	Name(_HID, EisaId("PNP0C0E"))

-		// Touchscreen Wake is GPIO14
-		Name(_PRW, Package(){0x1e, 0x03})
-
    	Name(_CRS, ResourceTemplate()
    	{
    		// PIRQG -> GSI22
@@ -48,3 +42,111 @@
    	})
    }
 }
+
+
+Scope (_SB.PCI0.GFX0)
+{
+	Device (GMBS){
+		Name (_HID, "LINK0000")
+		Method (_STA, 0, NotSerialized)  // _STA: Status
+		{
+			Return (0x0F)
+		}
+
+		Method (MMIO, 0, Serialized)
+		{
+			Local0 = BAR0 & 0xFFFFFFFFFFFFFFF0
+			Return (Local0)
+		}
+
+		Device (LVGA){
+			Name (_HID, "LINK0001")
+			Name (_UID, 0)
+			Name (_DSD, Package () {
+				ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
+				Package () {
+					Package (2) {"coolstar,bus-number", GMBUS_PIN_VGADDC}
+				}
+			})
+
+			Method (_STA)
+			{
+				Return (0xF)
+			}
+
+			Device (ATPD)
+			{
+				Name (_HID, "ATML0000")
+				Name (_DDN, "Atmel Touchpad")
+				Name (_UID, 0)
+				Name (ISTP, 1) //Touchpad
+
+				Name (_CRS, ResourceTemplate()
+				{
+					I2cSerialBus (
+						BOARD_TRACKPAD_I2C_ADDR,        // SlaveAddress
+						ControllerInitiated,            // SlaveMode
+						100000,                         // ConnectionSpeed
+						AddressingMode7Bit,             // AddressingMode
+						"\_SB.PCI0.GFX0.GMBS.LVGA",    // ResourceSource
+					)
+
+					Interrupt (ResourceConsumer, Level, ActiveLow) { BOARD_TRACKPAD_IRQ }
+				})
+
+				// Trackpad Wake is GPIO12
+				Name(_PRW, Package() { BOARD_TRACKPAD_WAKE_GPIO, 0x03 } )
+
+				Method (_STA)
+				{
+					Return (0xF)
+				}
+			}
+		}
+
+		Device (LPNL){
+			Name (_HID, "LINK0001")
+			Name (_UID, 1)
+			Name (_DSD, Package () {
+				ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
+				Package () {
+					Package (2) {"coolstar,bus-number", GMBUS_PIN_PANEL}
+				}
+			})
+
+			Method (_STA)
+			{
+				Return (0xF)
+			}
+
+			Device (ATSA)
+			{
+				Name (_HID, "ATML0001")
+				Name (_DDN, "Atmel TouchScreen")
+				Name (_UID, 0)
+				Name (ISTP, 0) //TouchScreen
+
+				Name (_CRS, ResourceTemplate()
+				{
+					I2cSerialBus (
+						BOARD_TOUCHSCREEN_I2C_ADDR,     // SlaveAddress
+						ControllerInitiated,            // SlaveMode
+						100000,                         // ConnectionSpeed
+						AddressingMode7Bit,             // AddressingMode
+						"\_SB.PCI0.GFX0.GMBS.LPNL",    // ResourceSource
+					)
+
+					Interrupt (ResourceConsumer, Level, ActiveLow) { BOARD_TOUCHSCREEN_IRQ }
+				})
+
+				// Touchscreen Wake is GPIO14
+				Name(_PRW, Package(){0x1e, 0x03})
+
+				Method (_STA)
+				{
+					Return (0xF)
+				}
+			}
+		}
+	}
+}
diff --git a/src/mainboard/google/link/dsdt.asl b/src/mainboard/google/link/dsdt.asl
index 81e3074..dbb3413 100644
--- a/src/mainboard/google/link/dsdt.asl
+++ b/src/mainboard/google/link/dsdt.asl
@@ -14,7 +14,6 @@
    #include <southbridge/intel/common/acpi/platform.asl>

#include "acpi/platform.asl"
-	#include "acpi/mainboard.asl"

// Thermal handler
    #include "acpi/thermal.asl"
@@ -34,5 +33,7 @@
    	}
    }

+	#include "acpi/mainboard.asl"
+
    #include <southbridge/intel/common/acpi/sleepstates.asl>
 }
diff --git a/src/mainboard/google/link/onboard.h b/src/mainboard/google/link/onboard.h
index efcda92..30cb7d1 100644
--- a/src/mainboard/google/link/onboard.h
+++ b/src/mainboard/google/link/onboard.h
@@ -20,4 +20,7 @@

#define GPIO_SPI_WP	57

+#define GMBUS_PIN_VGADDC	2
+#define GMBUS_PIN_PANEL		3
+
 #endif