[PATCH linux] ARM: dts: aspeed: quanta: add i2cmux for frus

[Patrick Venture]

The memory riser frus on the board are controlled
by a gpio mux.

Signed-off-by: Patrick Venture <venture at google.com>
---
 arch/arm/boot/dts/aspeed-bmc-quanta-q71l.dts | 93 +++++++++++++++++++++-------
 1 file changed, 69 insertions(+), 24 deletions(-)

diff --git a/arch/arm/boot/dts/aspeed-bmc-quanta-q71l.dts b/arch/arm/boot/dts/aspeed-bmc-quanta-q71l.dts
index 42b1d8007316..b93b29191960 100644
--- a/arch/arm/boot/dts/aspeed-bmc-quanta-q71l.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-quanta-q71l.dts
@@ -119,6 +119,75 @@
 			<&adc 4>, <&adc 5>, <&adc 6>, <&adc 7>,
 			<&adc 8>, <&adc 9>, <&adc 10>, <&adc 11>;
 	};
+
+	i2cmux at 1 {
+		compatible = "i2c-mux-gpio";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		mux-gpios = <&sgpio 10 GPIO_ACTIVE_HIGH>;
+		i2c-parent = <&i2c1>;
+
+		i2c at 0 {
+			reg = <0>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			/* Memory Riser 1 FRU */
+			eeprom at 50 {
+				compatible = "atmel,24c02";
+				reg = <0x50>;
+			};
+
+			/* Memory Riser 2 FRU */
+			eeprom at 51 {
+				compatible = "atmel,24c02";
+				reg = <0x51>;
+			};
+
+			/* Memory Riser 3 FRU */
+			eeprom at 52 {
+				compatible = "atmel,24c02";
+				reg = <0x52>;
+			};
+
+			/* Memory Riser 4 FRU */
+			eeprom at 53 {
+				compatible = "atmel,24c02";
+				reg = <0x53>;
+			};
+		};
+
+		i2c at 1 {
+			reg = <1>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			/* Memory Riser 5 FRU */
+			eeprom at 50 {
+				compatible = "atmel,24c02";
+				reg = <0x50>;
+			};
+
+			/* Memory Riser 6 FRU */
+			eeprom at 51 {
+				compatible = "atmel,24c02";
+				reg = <0x51>;
+			};
+
+			/* Memory Riser 7 FRU */
+			eeprom at 52 {
+				compatible = "atmel,24c02";
+				reg = <0x52>;
+			};
+
+			/* Memory Riser 8 FRU */
+			eeprom at 53 {
+				compatible = "atmel,24c02";
+				reg = <0x53>;
+			};
+		};
+	};
 };
 
 &fmc {
@@ -196,30 +265,6 @@
 		reg = <0x4f>;
 	};
 
-	/* Memory Riser 1/5 FRU */
-	eeprom at 50 {
-		compatible = "atmel,24c02";
-		reg = <0x50>;
-	};
-
-	/* Memory Riser 2/6 FRU */
-	eeprom at 51 {
-		compatible = "atmel,24c02";
-		reg = <0x51>;
-	};
-
-	/* Memory Riser 3/7 FRU */
-	eeprom at 52 {
-		compatible = "atmel,24c02";
-		reg = <0x52>;
-	};
-
-	/* Memory Riser 4/8 FRU */
-	eeprom at 53 {
-		compatible = "atmel,24c02";
-		reg = <0x53>;
-	};
-
 	/* Baseboard FRU */
 	eeprom at 54 {
 		compatible = "atmel,24c64";
-- 
2.15.0.417.g466bffb3ac-goog