[PATCH v4 05/27] dt-bindings: mfd: add maxim,max77705

Dzmitry Sankouski dsankouski at gmail.com
Fri Sep 13 15:07:48 UTC 2024


Add maxim,max77705 core binding part.

Signed-off-by: Dzmitry Sankouski <dsankouski at gmail.com>

---
Changes in v4:
- change dts example intendation from tabs
 to spaces
- remove interrupt-names property
- remove obvious reg description
- split long(>80) lines
---
 .../devicetree/bindings/mfd/maxim,max77705.yaml    | 169 +++++++++++++++++++++
 MAINTAINERS                                        |   1 +
 2 files changed, 170 insertions(+)

diff --git a/Documentation/devicetree/bindings/mfd/maxim,max77705.yaml b/Documentation/devicetree/bindings/mfd/maxim,max77705.yaml
new file mode 100644
index 000000000000..40a67d15e312
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/maxim,max77705.yaml
@@ -0,0 +1,169 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mfd/maxim,max77705.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Maxim MAX77705 Companion Power Management IC and USB Type-C interface IC
+
+maintainers:
+  - Dzmitry Sankouski <dsankouski at gmail.com>
+
+description: |
+  This is a part of device tree bindings for Maxim MAX77705 multi functional
+  device.
+
+  The Maxim MAX77705 is a Companion Power Management and Type-C
+  interface IC which includes charger, fuelgauge, LED, haptic motor driver and
+  Type-C management IC.
+
+properties:
+  compatible:
+    const: maxim,max77705
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  charger:
+    $ref: /schemas/power/supply/power-supply.yaml
+    additionalProperties: true
+    properties:
+      compatible:
+        const: maxim,max77705-charger
+
+    required:
+      - compatible
+      - monitored-battery
+
+  fuel_gauge:
+    $ref: /schemas/power/supply/power-supply.yaml
+    type: object
+    additionalProperties: true
+    description: MAX77705 fuel gauge with ModelGauge m5 EZ algorithm support.
+    properties:
+      compatible:
+        const: maxim,max77705-fuel-gauge
+
+      shunt-resistor-micro-ohms:
+        description: |
+          The value of current sense resistor in microohms.
+
+    required:
+      - compatible
+      - shunt-resistor-micro-ohms
+      - monitored-battery
+      - power-supplies
+
+  haptic:
+    type: object
+    additionalProperties: false
+    properties:
+      compatible:
+        const: maxim,max77705-haptic
+
+      haptic-supply: true
+
+      pwms:
+        maxItems: 1
+
+    required:
+      - compatible
+      - haptic-supply
+      - pwms
+
+  leds:
+    type: object
+    additionalProperties: false
+    description:
+      Up to 4 LEDs supported. One LED is represented by one child node.
+    properties:
+      compatible:
+        const: maxim,max77705-led
+
+      "#address-cells":
+        const: 1
+
+      "#size-cells":
+        const: 0
+
+    patternProperties:
+      "^led@[0-3]$":
+        type: object
+        $ref: /schemas/leds/common.yaml#
+        properties:
+          reg:
+            description:
+              LED index.
+        unevaluatedProperties: false
+        required:
+          - reg
+
+    required:
+      - compatible
+
+required:
+  - compatible
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/leds/common.h>
+
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        pmic at 66 {
+            compatible = "maxim,max77705";
+            reg = <0x66>;
+            interrupt-parent = <&pm8998_gpios>;
+            interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+            pinctrl-0 = <&chg_int_default>;
+            pinctrl-names = "default";
+
+            leds {
+                compatible = "maxim,max77705-led";
+                #address-cells = <1>;
+                #size-cells = <0>;
+
+                led at 1 {
+                    reg = <1>;
+                    label = "red:usr1";
+                };
+
+                led at 2 {
+                    reg = <2>;
+                    label = "green:usr2";
+                };
+
+                led at 3 {
+                    reg = <3>;
+                    label = "blue:usr3";
+                };
+            };
+
+            max77705_charger: charger {
+                compatible = "maxim,max77705-charger";
+                monitored-battery = <&battery>;
+            };
+
+            fuel_gauge {
+                compatible = "maxim,max77705-fuel-gauge";
+                monitored-battery = <&battery>;
+                power-supplies = <&max77705_charger>;
+                rsense = <5>;
+            };
+
+
+            haptic {
+                compatible = "maxim,max77705-haptic";
+                haptic-supply = <&vib_regulator>;
+                pwms = <&vib_pwm 0 50000>;
+            };
+        };
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index b65cfa1d322d..59d027591e34 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -14064,6 +14064,7 @@ B:	mailto:linux-samsung-soc at vger.kernel.org
 F:	Documentation/devicetree/bindings/*/maxim,max14577.yaml
 F:	Documentation/devicetree/bindings/*/maxim,max77686.yaml
 F:	Documentation/devicetree/bindings/*/maxim,max77693.yaml
+F:	Documentation/devicetree/bindings/*/maxim,max77705*.yaml
 F:	Documentation/devicetree/bindings/*/maxim,max77843.yaml
 F:	Documentation/devicetree/bindings/clock/maxim,max77686.txt
 F:	drivers/*/*max77843.c

-- 
2.39.2



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