hwmon: Add Qualcomm SPMI BCL driver

Documentation/devicetree/bindings/hwmon/qcom,pm7250b-bcl.yaml

@@ -0,0 +1,64 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/hwmon/qcom,pm7250b-bcl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm SPMI PMIC Battery Current Limiting (BCL) Hardware Monitor
+
+maintainers:
+  - Manaf Meethalavalappu Pallikunhi <manaf.pallikunhi@oss.qualcomm.com>
+
+description:
+  SPMI PMIC Battery Current Limiting (BCL) hardware provides monitoring and
+  alarm functionality for battery overcurrent and battery or system under
+  voltage conditions. It monitors battery voltage and current, and
+  can trigger interrupts when configurable thresholds are exceeded.
+
+properties:
+  compatible:
+    enum:
+      - qcom,pm7250b-bcl
+      - qcom,pm8350c-bcl
+      - qcom,pm8550-bcl
+      - qcom,pmh0101-bcl
+      - qcom,pmih0108-bcl
+      - qcom,smb2360-bcl
+      - qcom,smb2370-bcl
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 2
+
+  interrupt-names:
+    items:
+      - const: max-min
+      - const: critical
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - interrupt-names
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    pmic {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        sensor@1d00 {
+            compatible = "qcom,pm7250b-bcl";
+            reg = <0x1d00>;
+            interrupts = <0x2 0x1d 0x0 IRQ_TYPE_EDGE_RISING>,
+                         <0x2 0x1d 0x1 IRQ_TYPE_EDGE_RISING>;
+            interrupt-names = "max-min",
+                              "critical";
+        };
+    };

Documentation/devicetree/bindings/mfd/qcom,spmi-pmic.yaml

@@ -187,7 +187,7 @@ patternProperties:
 
   "^sensor@[0-9a-f]+$":
     type: object
-    $ref: /schemas/hwmon/qcom,bcl-hwmon.yaml#
+    $ref: /schemas/hwmon/qcom,pm7250b-bcl.yaml#
 
   "^temp-alarm@[0-9a-f]+$":
     type: object

MAINTAINERS

@@ -21092,14 +21092,14 @@ S:	Maintained
 F:	Documentation/devicetree/bindings/net/qcom,bam-dmux.yaml
 F:	drivers/net/wwan/qcom_bam_dmux.c
 
+
 QUALCOMM BCL HARDWARE MONITOR DRIVER
 M:	Manaf Meethalavalappu Pallikunhi <manaf.pallikunhi@oss.qualcomm.com>
 L:	linux-hwmon@vger.kernel.org
 L:	linux-arm-msm@vger.kernel.org
 S:	Maintained
-F:	Documentation/devicetree/bindings/hwmon/qcom,bcl-hwmon.yaml
+F:	Documentation/devicetree/bindings/hwmon/qcom,pm7250b-bcl.yaml
 F:	drivers/hwmon/qcom-bcl-hwmon.c
-F:	drivers/hwmon/qcom-bcl-hwmon.h
 
 QUALCOMM BLUETOOTH DRIVER
 L:	linux-arm-msm@vger.kernel.org

arch/arm64/boot/dts/qcom/hamoa-pmics.dtsi

@@ -495,6 +495,15 @@
 
 		status = "disabled";
 
+		sensor@4700 {
+			compatible = "qcom,smb2360-bcl";
+			reg = <0x4700>;
+			interrupts = <0x7 0x47 0x0 IRQ_TYPE_EDGE_RISING>,
+				     <0x7 0x47 0x1 IRQ_TYPE_EDGE_RISING>;
+			interrupt-names = "max-min",
+					  "critical";
+		};
+
 		smb2360_0_eusb2_repeater: phy@fd00 {
 			compatible = "qcom,smb2360-eusb2-repeater";
 			reg = <0xfd00>;

arch/arm64/boot/dts/qcom/pm7250b.dtsi

@@ -90,6 +90,15 @@
 			status = "disabled";
 		};
 
+		sensor@1d00 {
+			compatible = "qcom,pm7250b-bcl";
+			reg = <0x1d00>;
+			interrupts = <PM7250B_SID 0x1d 0x0 IRQ_TYPE_EDGE_RISING>,
+				     <PM7250B_SID 0x1d 0x1 IRQ_TYPE_EDGE_RISING>;
+			interrupt-names = "max-min",
+					  "critical";
+		};
+
 		pm7250b_temp: temp-alarm@2400 {
 			compatible = "qcom,spmi-temp-alarm";
 			reg = <0x2400>;
@@ -202,16 +211,6 @@
 			interrupt-controller;
 			#interrupt-cells = <2>;
 		};
-
-		sensor@1d00 {
-			compatible = "qcom,pm7250b-bcl", "qcom,bcl-v1";
-			reg = <0x1d00>;
-			interrupts = <PM7250B_SID 0x1d 0x0 IRQ_TYPE_EDGE_RISING>,
-				     <PM7250B_SID 0x1d 0x1 IRQ_TYPE_EDGE_RISING>;
-			interrupt-names = "bcl-max-min",
-					  "bcl-critical";
-			overcurrent-thresholds-milliamp = <5500 6000>;
-		};
 	};
 
 	pmic@PM7250B_SID1 {

arch/arm64/boot/dts/qcom/pm8350c.dtsi

@@ -20,6 +20,15 @@
 			#thermal-sensor-cells = <0>;
 		};
 
+		sensor@4700 {
+			compatible = "qcom,pm8350c-bcl";
+			reg = <0x4700>;
+			interrupts = <0x2 0x47 0x0 IRQ_TYPE_EDGE_RISING>,
+				     <0x2 0x47 0x1 IRQ_TYPE_EDGE_RISING>;
+			interrupt-names = "max-min",
+					  "critical";
+		};
+
 		pm8350c_gpios: gpio@8800 {
 			compatible = "qcom,pm8350c-gpio", "qcom,spmi-gpio";
 			reg = <0x8800>;
@@ -42,14 +51,6 @@
 			status = "disabled";
 		};
 
-		sensor@4700 {
-			compatible = "qcom,pm8350c-bcl", "qcom,bcl-v2";
-			reg = <0x4700>;
-			interrupts = <0x2 0x47 0x0 IRQ_TYPE_EDGE_RISING>,
-				     <0x2 0x47 0x1 IRQ_TYPE_EDGE_RISING>;
-			interrupt-names = "bcl-max-min",
-					  "bcl-critical";
-		};
 	};
 };
 

arch/arm64/boot/dts/qcom/pm8550.dtsi

@@ -45,6 +45,15 @@
 			#thermal-sensor-cells = <0>;
 		};
 
+		sensor@4700 {
+			compatible = "qcom,pm8550-bcl";
+			reg = <0x4700>;
+			interrupts = <0x1 0x47 0x0 IRQ_TYPE_EDGE_RISING>,
+				     <0x1 0x47 0x1 IRQ_TYPE_EDGE_RISING>;
+			interrupt-names = "max-min",
+					  "critical";
+		};
+
 		pm8550_gpios: gpio@8800 {
 			compatible = "qcom,pm8550-gpio", "qcom,spmi-gpio";
 			reg = <0x8800>;

arch/arm64/configs/qcom.config

@@ -65,7 +65,7 @@ CONFIG_STM_SOURCE_FTRACE=m
 CONFIG_STM_SOURCE_HEARTBEAT=m
 CONFIG_SENSORS_AMC6821=y
 CONFIG_SENSORS_EMC2305=y
-CONFIG_SENSORS_QCOM_BCL=y
+CONFIG_SENSORS_QCOM_SPMI_BCL=y
 CONFIG_SWIOTLB_DEFAULT_SIZE_MB=2
 CONFIG_SWIOTLB_DYNAMIC=y
 CONFIG_TRACE_MMIO_ACCESS=y

drivers/hwmon/Kconfig

@@ -1893,8 +1893,10 @@ config SENSORS_PWM_FAN
 	  This driver can also be built as a module. If so, the module
 	  will be called pwm-fan.
 
-config SENSORS_QCOM_BCL
-	tristate "Qualcomm BCL hardware monitoring"
+config SENSORS_QCOM_SPMI_BCL
+	tristate "Qualcomm SPMI BCL hardware monitoring"
+	depends on SPMI
+	select REGMAP_SPMI
 	help
 	  Say yes here to enable support for Qualcomm battery over current
 	  and under voltage alarms monitor.

drivers/hwmon/Makefile

@@ -196,7 +196,7 @@ obj-$(CONFIG_SENSORS_POWERZ)	+= powerz.o
 obj-$(CONFIG_SENSORS_POWR1220)  += powr1220.o
 obj-$(CONFIG_SENSORS_PT5161L)	+= pt5161l.o
 obj-$(CONFIG_SENSORS_PWM_FAN)	+= pwm-fan.o
-obj-$(CONFIG_SENSORS_QCOM_BCL)	+= qcom-bcl-hwmon.o
+obj-$(CONFIG_SENSORS_QCOM_SPMI_BCL)	+= qcom-bcl-hwmon.o
 obj-$(CONFIG_SENSORS_QNAP_MCU_HWMON)	+= qnap-mcu-hwmon.o
 obj-$(CONFIG_SENSORS_RASPBERRYPI_HWMON)	+= raspberrypi-hwmon.o
 obj-$(CONFIG_SENSORS_SA67MCU)	+= sa67mcu-hwmon.o