1 files changed, 35 insertions, 0 deletions
diff --git a/src/mainboard/google/rambi/acpi/als_intersil.asl b/src/mainboard/google/rambi/acpi/als_intersil.asl
new file mode 100644
index 0000000000..6e63bdbdc0
--- /dev/null
+++ b/src/mainboard/google/rambi/acpi/als_intersil.asl
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <variant/onboard.h>
+
+Scope (\_SB.PCI0.I2C5)
+{
+	Device (ALSI)
+	{
+		Name (_HID, EisaId ("LSD2918"))
+		Name (_DDN, "Intersil 29018 Ambient Light Sensor")
+		Name (_UID, 1)
+		Name (_CRS, ResourceTemplate()
+		{
+			I2cSerialBus (
+				0x44,                     // SlaveAddress
+				ControllerInitiated,      // SlaveMode
+				400000,                   // ConnectionSpeed
+				AddressingMode7Bit,       // AddressingMode
+				"\\_SB.I2C5",             // ResourceSource
+			)
+			Interrupt (ResourceConsumer, Edge, ActiveLow)
+			{
+				BOARD_ALS_IRQ
+			}
+		})
+		Method (_STA)
+		{
+			If (\S5EN == 1) {
+				Return (0xF)
+			} Else {
+				Return (0x0)
+			}
+		}
+	}
+}