Hwmon Apple SoC SMC driver using DT to get SMC keys for sensors

Signed-off-by: Jean-Francois Bortolotti <jeff@borto.fr>

arch/arm64/boot/dts/apple/t8103-j313.dts

@@ -166,6 +166,44 @@
 			default-state = "keep";
 		};
 	};
+
+		hwmon-sensors {
+			pwr_keys {
+				pwr_key01 {
+					key = "PHPC";
+					label = "Total CPU Core Power";
+				};
+				pwr_key02 {
+					key = "PSTR";
+					label = "Power of xxx";
+				};
+				pwr_key03 {
+					key = "PSTR";
+				};
+				pwr_key04 {
+				};
+			};
+			temp_keys {
+				temp_key01 {
+					key = "TSCD";
+					label = "Battery Hotspot Temp";
+				};
+				temp_key02 {
+					key = "TH0x";
+					label = "NAND Hotspot Temp";
+				};
+				temp_key03 {
+					key = "Th1a";
+					label = "GPU Temp";
+				};
+				temp_key04 {
+					key = "TW0P";
+					label = "WiFi/BT Module Temp";
+				};
+			};
+			current_keys {
+			};
+	};
 };
 
 &framebuffer0 {

drivers/hwmon/Kconfig

@@ -359,6 +359,18 @@ config SENSORS_APPLESMC
 	  Say Y here if you have an applicable laptop and want to experience
 	  the awesome power of applesmc.
 
+config SENSORS_APPLE_SOC_SMC
+	tristate "Apple SoC SMC Sensors (Voltages, Power, Current and Temp)"
+	depends on ARCH_APPLE
+	help
+	  This driver provides support for the Apple System Management
+	  Controller.
+
+	  Only Apple SoC based models are supported.
+
+	  Say Y here if you have an applicable laptop and want to experience
+	  the awesome power of applesmc on Apple SOC machines.
+
 config SENSORS_ARM_SCMI
 	tristate "ARM SCMI Sensors"
 	depends on ARM_SCMI_PROTOCOL

drivers/hwmon/Makefile

@@ -48,6 +48,7 @@ obj-$(CONFIG_SENSORS_ADT7470)	+= adt7470.o
 obj-$(CONFIG_SENSORS_ADT7475)	+= adt7475.o
 obj-$(CONFIG_SENSORS_AHT10)	+= aht10.o
 obj-$(CONFIG_SENSORS_APPLESMC)	+= applesmc.o
+obj-$(CONFIG_SENSORS_APPLE_SOC_SMC)	+= apple_soc_smc.o
 obj-$(CONFIG_SENSORS_AQUACOMPUTER_D5NEXT) += aquacomputer_d5next.o
 obj-$(CONFIG_SENSORS_ARM_SCMI)	+= scmi-hwmon.o
 obj-$(CONFIG_SENSORS_ARM_SCPI)	+= scpi-hwmon.o