Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 140 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/iio/dac/adi,ad5758.yaml b/Documentation/devicetree/bindings/iio/dac/adi,ad5758.yaml
new file mode 100644
index 000000000..512168533
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/dac/adi,ad5758.yaml
@@ -0,0 +1,140 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/dac/adi,ad5758.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices AD5758 DAC
+
+maintainers:
+  - Michael Hennerich <Michael.Hennerich@analog.com>
+
+properties:
+  compatible:
+    const: adi,ad5758
+
+  reg:
+    maxItems: 1
+
+  spi-cpha: true
+
+  adi,dc-dc-mode:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [1, 2, 3]
+    description: |
+      Mode of operation of the dc-to-dc converter
+      Dynamic Power Control (DPC)
+      In this mode, the AD5758 circuitry senses the output voltage and
+      dynamically regulates the supply voltage, VDPC+, to meet compliance
+      requirements plus an optimized headroom voltage for the output buffer.
+
+      Programmable Power Control (PPC)
+      In this mode, the VDPC+ voltage is user-programmable to a fixed level
+      that needs to accommodate the maximum output load required.
+
+      The output of the DAC core is either converted to a current or
+      voltage output at the VIOUT pin. Only one mode can be enabled at
+      any one time.
+
+      The following values are currently supported:
+      * 1: DPC current mode
+      * 2: DPC voltage mode
+      * 3: PPC current mode
+
+      Depending on the selected output mode (voltage or current) one of the
+      two properties must be present:
+
+  adi,range-microvolt:
+    description: |
+      Voltage output range specified as <minimum, maximum>
+    oneOf:
+      - items:
+          - const: 0
+          - enum: [5000000, 10000000]
+      - items:
+          - const: -5000000
+          - const: 5000000
+      - items:
+          - const: -10000000
+          - const: 10000000
+
+  adi,range-microamp:
+    description: |
+      Current output range specified as <minimum, maximum>
+    oneOf:
+      - items:
+          - const: 0
+          - enum: [20000, 24000]
+      - items:
+          - const: 4
+          - const: 24000
+      - items:
+          - const: -20000
+          - const: 20000
+      - items:
+          - const: -24000
+          - const: 24000
+      - items:
+          - const: -1000
+          - const: 22000
+
+  reset-gpios:
+    maxItems: 1
+
+  adi,dc-dc-ilim-microamp:
+    enum: [150000, 200000, 250000, 300000, 350000, 400000]
+    description: |
+      The dc-to-dc converter current limit.
+
+  adi,slew-time-us:
+    description: |
+      The time it takes for the output to reach the full scale [uS]
+    minimum: 133
+    maximum: 1023984375
+
+required:
+  - compatible
+  - reg
+  - spi-cpha
+  - adi,dc-dc-mode
+
+allOf:
+  - $ref: /schemas/spi/spi-peripheral-props.yaml#
+  - if:
+      properties:
+        adi,dc-dc-mode:
+          enum: [1, 3]
+    then:
+      properties:
+        adi,range-microvolt: false
+      required:
+        - adi,range-microamp
+    else:
+      properties:
+        adi,range-microamp: false
+      required:
+        - adi,range-microvolt
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        dac@0 {
+            compatible = "adi,ad5758";
+            reg = <0>;
+            spi-max-frequency = <1000000>;
+            spi-cpha;
+
+            reset-gpios = <&gpio 22 0>;
+
+            adi,dc-dc-mode = <2>;
+            adi,range-microvolt = <0 10000000>;
+            adi,dc-dc-ilim-microamp = <200000>;
+            adi,slew-time-us = <125000>;
+        };
+    };
+...