From ae7677edb713f030daeab9a96ce07cb8664d49f3 Mon Sep 17 00:00:00 2001
From: Michal Simek <michal.simek@xilinx.com>
Date: Mon, 26 Aug 2019 11:09:42 +0200
Subject: [PATCH] arm64: zynqmp: Enable iio-hwmon for ina226 on g-a2197-00

ina226 hwmon driver is deprecated and it is recommended to use new iio
based driver. The patch is enabling iio-hwmon driver to export
functionality from IIO to hwmon interface to be able to use lm-sensors
package.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---
 arch/arm/dts/zynqmp-g-a2197-00-revA.dts | 43 +++++++++++++++++++++----
 1 file changed, 37 insertions(+), 6 deletions(-)

diff --git a/arch/arm/dts/zynqmp-g-a2197-00-revA.dts b/arch/arm/dts/zynqmp-g-a2197-00-revA.dts
index 6e5a0d2c5b..56d23b2b08 100644
--- a/arch/arm/dts/zynqmp-g-a2197-00-revA.dts
+++ b/arch/arm/dts/zynqmp-g-a2197-00-revA.dts
@@ -38,6 +38,31 @@
 		device_type = "memory";
 		reg = <0x0 0x0 0x0 0x80000000>;
 	};
+
+	ina226-u74 {
+		compatible = "iio-hwmon";
+		io-channels = <&u74 0>, <&u74 1>, <&u74 2>, <&u74 3>;
+	};
+	ina226-u75 {
+		compatible = "iio-hwmon";
+		io-channels = <&u75 0>, <&u75 1>, <&u75 2>, <&u75 3>;
+	};
+	ina226-u78 {
+		compatible = "iio-hwmon";
+		io-channels = <&u78 0>, <&u78 1>, <&u78 2>, <&u78 3>;
+	};
+	ina226-u79 {
+		compatible = "iio-hwmon";
+		io-channels = <&u79 0>, <&u79 1>, <&u79 2>, <&u79 3>;
+	};
+	ina226-u82 {
+		compatible = "iio-hwmon";
+		io-channels = <&u82 0>, <&u82 1>, <&u82 2>, <&u82 3>;
+	};
+	ina226-u84 {
+		compatible = "iio-hwmon";
+		io-channels = <&u84 0>, <&u84 1>, <&u84 2>, <&u84 3>;
+	};
 };
 
 &sdhci0 { /* emmc MIO 13-23 16GB */
@@ -198,33 +223,39 @@
 				compatible = "ti,tps544b25";
 				reg = <0x20>;
 			};
-			ina226@40 { /* u74 */
+			u74: ina226@40 { /* u74 */
 				compatible = "ti,ina226";
+				#io-channel-cells = <1>;
 				reg = <0x40>;
 				shunt-resistor = <1000>;
 			};
-			ina226@41 { /* u75 */
+			u75: ina226@41 { /* u75 */
 				compatible = "ti,ina226";
+				#io-channel-cells = <1>;
 				reg = <0x41>;
 				shunt-resistor = <1000>;
 			};
-			ina226@42 { /* u78 */
+			u78: ina226@42 { /* u78 */
 				compatible = "ti,ina226";
+				#io-channel-cells = <1>;
 				reg = <0x42>;
 				shunt-resistor = <5000>;
 			};
-			ina226@43 { /* u79 */
+			u79: ina226@43 { /* u79 */
 				compatible = "ti,ina226";
+				#io-channel-cells = <1>;
 				reg = <0x43>;
 				shunt-resistor = <1000>;
 			};
-			ina226@44 { /* u82 */
+			u82: ina226@44 { /* u82 */
 				compatible = "ti,ina226";
+				#io-channel-cells = <1>;
 				reg = <0x44>;
 				shunt-resistor = <1000>;
 			};
-			ina226@45 { /* u84 */
+			u84: ina226@45 { /* u84 */
 				compatible = "ti,ina226";
+				#io-channel-cells = <1>;
 				reg = <0x45>;
 				shunt-resistor = <5000>;
 			};
-- 
2.25.1