1 files changed, 208 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pinctrl/semtech,sx1501q.yaml b/Documentation/devicetree/bindings/pinctrl/semtech,sx1501q.yaml
new file mode 100644
index 000000000000..4214d7311f6b
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/semtech,sx1501q.yaml
@@ -0,0 +1,208 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright 2022 Linaro Ltd.
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/semtech,sx1501q.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Semtech SX150x GPIO expander
+
+maintainers:
+  - Neil Armstrong <neil.armstrong@linaro.org>
+
+properties:
+  compatible:
+    enum:
+      - semtech,sx1501q
+      - semtech,sx1502q
+      - semtech,sx1503q
+      - semtech,sx1504q
+      - semtech,sx1505q
+      - semtech,sx1506q
+      - semtech,sx1507q
+      - semtech,sx1508q
+      - semtech,sx1509q
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  '#interrupt-cells':
+    const: 2
+
+  interrupt-controller: true
+
+  '#gpio-cells':
+    const: 2
+
+  gpio-controller: true
+
+  semtech,probe-reset:
+    description: Will trigger a reset of the GPIO expander on probe
+    type: boolean
+
+patternProperties:
+  '-cfg$':
+    type: object
+    properties:
+      pins: true
+
+      bias-disable: true
+      bias-pull-up: true
+      bias-pull-down: true
+      bias-pull-pin-default: true
+      drive-push-pull: true
+      output-low: true
+      output-high: true
+      drive-open-drain: true
+
+    required:
+      - pins
+
+    allOf:
+      - $ref: pincfg-node.yaml#
+      - $ref: pinmux-node.yaml#
+      - if:
+          properties:
+            pins:
+              contains:
+                const: oscio
+        then:
+          properties:
+            bias-disable: false
+            bias-pull-up: false
+            bias-pull-down: false
+            bias-pull-pin-default: false
+            drive-open-drain: false
+
+    additionalProperties: false
+
+required:
+  - compatible
+  - reg
+  - '#gpio-cells'
+  - gpio-controller
+
+allOf:
+  - $ref: pinctrl.yaml#
+  - if:
+      not:
+        properties:
+          compatible:
+            contains:
+              enum:
+                - semtech,sx1507q
+                - semtech,sx1508q
+                - semtech,sx1509q
+    then:
+      properties:
+        semtech,probe-reset: false
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - semtech,sx1501q
+              - semtech,sx1504q
+    then:
+      patternProperties:
+        '-cfg$':
+          properties:
+            pins:
+              items:
+                pattern: '^gpio[0-3]$'
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - semtech,sx1502q
+              - semtech,sx1505q
+    then:
+      patternProperties:
+        '-cfg$':
+          properties:
+            pins:
+              items:
+                pattern: '^gpio[0-7]$'
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - semtech,sx1503q
+              - semtech,sx1506q
+    then:
+      patternProperties:
+        '-cfg$':
+          properties:
+            pins:
+              items:
+                pattern: '^(gpio[0-9]|gpio1[0-5])$'
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: semtech,sx1507q
+    then:
+      patternProperties:
+        '-cfg$':
+          properties:
+            pins:
+              items:
+                pattern: '^(oscio|gpio[0-3])$'
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: semtech,sx1508q
+    then:
+      patternProperties:
+        '-cfg$':
+          properties:
+            pins:
+              items:
+                pattern: '^(oscio|gpio[0-7])$'
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: semtech,sx1509q
+    then:
+      patternProperties:
+        '-cfg$':
+          properties:
+            pins:
+              items:
+                pattern: '^(oscio|gpio[0-9]|gpio1[0-5])$'
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    i2c@1000 {
+        reg = <0x1000 0x80>;
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        pinctrl@20 {
+            compatible = "semtech,sx1501q";
+            reg = <0x20>;
+
+            #gpio-cells = <2>;
+            #interrupt-cells = <2>;
+
+            interrupts = <16 IRQ_TYPE_EDGE_FALLING>;
+
+            gpio-controller;
+            interrupt-controller;
+
+            gpio1-cfg {
+                  pins = "gpio1";
+                  bias-pull-up;
+            };
+        };
+    };