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From:   Ibrahim Tilki <Ibrahim.Tilki@analog.com>
To:     <jic23@kernel.org>
CC:     Ibrahim Tilki <Ibrahim.Tilki@analog.com>,
        <linux-iio@vger.kernel.org>, <Nuno.Sa@analog.com>,
        <Nurettin.Bolucu@analog.com>, <robh+dt@kernel.org>,
        <krzysztof.kozlowski+dt@linaro.org>, <devicetree@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>
Subject: [PATCH v6 2/3] dt-bindings: iio: adc: add adi,max11410.yaml
Date:   Tue, 27 Sep 2022 17:18:50 +0300
Message-ID: <20220927141851.279-3-Ibrahim.Tilki@analog.com>
In-Reply-To: <20220927141851.279-1-Ibrahim.Tilki@analog.com>
References: <20220927141851.279-1-Ibrahim.Tilki@analog.com>
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Adding devicetree binding documentation for max11410 adc.

Signed-off-by: Ibrahim Tilki <Ibrahim.Tilki@analog.com>
---
 .../bindings/iio/adc/adi,max11410.yaml        | 176 ++++++++++++++++
 .../devicetree/bindings/rtc/adi,max313xx.yaml | 195 ++++++++++++++++++
 2 files changed, 371 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/adc/adi,max11410.yaml
 create mode 100644 Documentation/devicetree/bindings/rtc/adi,max313xx.yaml

diff --git a/Documentation/devicetree/bindings/iio/adc/adi,max11410.yaml b/Documentation/devicetree/bindings/iio/adc/adi,max11410.yaml
new file mode 100644
index 0000000000..46a37303da
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/adi,max11410.yaml
@@ -0,0 +1,176 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# Copyright 2022 Analog Devices Inc.
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/adc/adi,max11410.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices MAX11410 ADC device driver
+
+maintainers:
+  - Ibrahim Tilki <Ibrahim.Tilki@analog.com>
+
+description: |
+  Bindings for the Analog Devices MAX11410 ADC device. Datasheet can be
+  found here:
+    https://datasheets.maximintegrated.com/en/ds/MAX11410.pdf
+
+properties:
+  compatible:
+    enum:
+      - adi,max11410
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    minItems: 1
+    maxItems: 2
+
+  interrupt-names:
+    description: Name of the gpio pin of max11410 used for IRQ
+    items:
+      - enum:
+          - gpio0
+          - gpio1
+
+  '#address-cells':
+    const: 1
+
+  '#size-cells':
+    const: 0
+
+  avdd-supply:
+    description: Optional avdd supply. Used as reference when no explicit reference supplied.
+
+  vref0p-supply:
+    description: vref0p supply can be used as reference for conversion.
+
+  vref1p-supply:
+    description: vref1p supply can be used as reference for conversion.
+
+  vref2p-supply:
+    description: vref2p supply can be used as reference for conversion.
+
+  vref0n-supply:
+    description: vref0n supply can be used as reference for conversion.
+
+  vref1n-supply:
+    description: vref1n supply can be used as reference for conversion.
+
+  vref2n-supply:
+    description: vref2n supply can be used as reference for conversion.
+
+  spi-max-frequency:
+    maximum: 8000000
+
+required:
+  - compatible
+  - reg
+
+patternProperties:
+  "^channel(@[0-9])?$":
+    $ref: "adc.yaml"
+    type: object
+    description: Represents the external channels which are connected to the ADC.
+
+    properties:
+      reg:
+        description: The channel number in single-ended mode.
+        minimum: 0
+        maximum: 9
+
+      adi,reference:
+        description: |
+          Select the reference source to use when converting on
+          the specific channel. Valid values are:
+          0: VREF0P/VREF0N
+          1: VREF1P/VREF1N
+          2: VREF2P/VREF2N
+          3: AVDD/AGND
+          4: VREF0P/AGND
+          5: VREF1P/AGND
+          6: VREF2P/AGND
+          If this field is left empty, AVDD/AGND is selected.
+        $ref: /schemas/types.yaml#/definitions/uint32
+        enum: [0, 1, 2, 3, 4, 5, 6]
+        default: 3
+
+      adi,input-mode:
+        description: |
+          Select signal path of input channels. Valid values are:
+          0: Buffered, low-power, unity-gain path (default)
+          1: Bypass path
+          2: PGA path
+        $ref: /schemas/types.yaml#/definitions/uint32
+        enum: [0, 1, 2]
+        default: 0
+
+      diff-channels: true
+
+      bipolar: true
+
+      settling-time-us: true
+
+      adi,buffered-vrefp:
+        description: Enable buffered mode for positive reference.
+        type: boolean
+
+      adi,buffered-vrefn:
+        description: Enable buffered mode for negative reference.
+        type: boolean
+
+    required:
+      - reg
+
+    additionalProperties: false
+
+allOf:
+  - $ref: /schemas/spi/spi-peripheral-props.yaml#
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        adc@0 {
+            reg = <0>;
+            compatible = "adi,max11410";
+            spi-max-frequency = <8000000>;
+
+            interrupt-parent = <&gpio>;
+            interrupts = <25 2>;
+            interrupt-names = "gpio1";
+
+            avdd-supply = <&adc_avdd>;
+
+            vref1p-supply = <&adc_vref1p>;
+            vref1n-supply = <&adc_vref1n>;
+
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            channel@0 {
+                reg = <0>;
+            };
+
+            channel@1 {
+                reg = <1>;
+                diff-channels = <2 3>;
+                adi,reference = <1>;
+                bipolar;
+                settling-time-us = <100000>;
+            };
+
+            channel@2 {
+                reg = <2>;
+                diff-channels = <7 9>;
+                adi,reference = <5>;
+                adi,input-mode = <2>;
+                settling-time-us = <50000>;
+            };
+        };
+    };
diff --git a/Documentation/devicetree/bindings/rtc/adi,max313xx.yaml b/Documentation/devicetree/bindings/rtc/adi,max313xx.yaml
new file mode 100644
index 0000000000..43576ec066
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/adi,max313xx.yaml
@@ -0,0 +1,195 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# Copyright 2022 Analog Devices Inc.
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rtc/adi,max313xx.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices MAX313XX series I2C RTC driver
+
+maintainers:
+  - Ibrahim Tilki <Ibrahim.Tilki@analog.com>
+  - Zeynep Arslanbenzer <Zeynep.Arslanbenzer@analog.com>
+
+description: Bindings for the Analog Devices MAX313XX series RTCs.
+
+properties:
+  compatible:
+    oneOf:
+      - enum:
+          - adi,max31328
+          - adi,max31329
+          - adi,max31331
+          - adi,max31334
+          - adi,max31341
+          - adi,max31342
+          - adi,max31343
+
+  reg:
+    description: I2C address of the RTC
+    items:
+      enum: [0x68, 0x69]
+
+  interrupts:
+    minItems: 1
+    maxItems: 2
+
+  interrupt-names:
+    description: |
+      Name of the interrupt pin of the RTC used for IRQ. Not required for
+      RTCs that only have single interrupt pin available. Some of the RTCs
+      share interrupt pins with clock input/output pins.
+    minItems: 1
+    items:
+      - enum:
+          - INTA
+          - INTB
+      - enum:
+          - INTA
+          - INTB
+
+  "#clock-cells":
+    description: |
+      RTC can be used as a clock source through its clock output pin when
+      supplied.
+    const: 0
+
+  clocks:
+    description: |
+      RTC uses this clock for clock input when supplied. Clock has to provide
+      one of these four frequencies: 1Hz, 50Hz, 60Hz or 32.768kHz.
+    maxItems: 1
+
+  trickle-diode-disable: true
+
+  trickle-resistor-ohms:
+    description: Enables trickle charger with specified resistor value.
+    items:
+      enum: [3000, 6000, 11000]
+
+  wakeup-source: true
+
+additionalProperties: false
+
+allOf:
+  - $ref: "rtc.yaml#"
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - adi,max31328
+              - adi,max31342
+
+    then:
+      properties:
+        trickle-diode-disable: false
+        trickle-resistor-ohms: false
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - adi,max31328
+              - adi,max31331
+              - adi,max31334
+              - adi,max31343
+
+    then:
+      properties:
+        clocks: false
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - adi,max31341
+              - adi,max31342
+
+    then:
+      properties:
+        reg:
+          items:
+            - const: 0x69
+
+    else:
+      properties:
+        reg:
+          items:
+            - const: 0x68
+
+required:
+  - compatible
+  - reg
+
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        rtc@68 {
+            reg = <0x68>;
+            compatible = "adi,max31328";
+        };
+    };
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        rtc@68 {
+            reg = <0x68>;
+            compatible = "adi,max31329";
+            clocks = <&clkin>;
+            interrupt-parent = <&gpio>;
+            interrupts = <26 2>;
+            interrupt-names = "INTB";
+        };
+    };
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        rtc@68 {
+            reg = <0x68>;
+            compatible = "adi,max31331";
+            #clock-cells = <0>;
+            interrupt-parent = <&gpio>;
+            interrupts = <25 2>, <26 2>;
+            interrupt-names = "INTA", "INTB";
+        };
+    };
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        rtc@69 {
+            reg = <0x69>;
+            compatible = "adi,max31341";
+            #clock-cells = <0>;
+            clocks = <&clkin>;
+        };
+    };
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        max31341: rtc@69 {
+            reg = <0x69>;
+            compatible = "adi,max31341";
+            #clock-cells = <0>;
+        };
+
+        rtc@68 {
+            reg = <0x68>;
+            compatible = "adi,max31329";
+            clocks = <&max31341>;
+        };
+    };
-- 
2.25.1