Add submodule dependency filesHEADmaster

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec

1 files changed, 65 insertions, 0 deletions

diff --git a/roms/u-boot/arch/x86/include/asm/acpi/dptf/charger.asl b/roms/u-boot/arch/x86/include/asm/acpi/dptf/charger.asl
new file mode 100644
index 000000000..7f4a7ecd3
--- /dev/null
+++ b/roms/u-boot/arch/x86/include/asm/acpi/dptf/charger.asl
@@ -0,0 +1,65 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2014 Google Inc.
+ * Copyright (C) 2016 Intel Corporation.
+ */
+
+Device (TCHG)
+{
+	Name (_HID, "INT3403")
+	Name (_UID, 0)
+	Name (PTYP, 0x0B)
+	Name (_STR, Unicode("Battery Charger"))
+
+	Method (_STA)
+	{
+		If (LEqual (\DPTE, One)) {
+			Return (0xF)
+		} Else {
+			Return (0x0)
+		}
+	}
+
+	/* Return charger performance states defined by mainboard */
+	Method (PPSS)
+	{
+		Return (\_SB.CHPS)
+	}
+
+	/* Return maximum charger current limit */
+	Method (PPPC)
+	{
+		/* Convert size of PPSS table to index */
+		Store (SizeOf (\_SB.CHPS), Local0)
+		Decrement (Local0)
+
+		/* Check if charging is disabled (AC removed) */
+		If (LEqual (\_SB.PCI0.LPCB.EC0.ACEX, Zero)) {
+			/* Return last power state */
+			Return (Local0)
+		} Else {
+			/* Return highest power state */
+			Return (0)
+		}
+
+		Return (0)
+	}
+
+	/* Set charger current limit */
+	Method (SPPC, 1)
+	{
+		/* Retrieve Control (index 4) for specified PPSS level */
+		Store (DeRefOf (Index (DeRefOf (Index
+			(\_SB.CHPS, ToInteger (Arg0))), 4)), Local0)
+
+		/* Pass Control value to EC to limit charging */
+		\_SB.PCI0.LPCB.EC0.CHGS (Local0)
+	}
+
+	/* Initialize charger participant */
+	Method (INIT)
+	{
+		/* Disable charge limit */
+		\_SB.PCI0.LPCB.EC0.CHGD ()
+	}
+}