linux-kernel - [PATCH v2 1/2] dt-bindings: hwmon/pmbus: Add ti,ucd90320 power sequencer

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Date:   Thu,  5 Dec 2019 17:24:10 -0600
From:   Jim Wright <wrightj@...ux.vnet.ibm.com>
To:     jdelvare@...e.com, linux@...ck-us.net, robh+dt@...nel.org,
        mark.rutland@....com, corbet@....net, wrightj@...ux.vnet.ibm.com,
        linux-hwmon@...r.kernel.org, devicetree@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 1/2] dt-bindings: hwmon/pmbus: Add ti,ucd90320 power sequencer

Document the UCD90320 device tree binding.

Signed-off-by: Jim Wright <wrightj@...ux.vnet.ibm.com>

---
Changes since v1:
- Replace .txt file version with YAML schema.
---
 .../bindings/hwmon/pmbus/ti,ucd90320.yaml     | 45 +++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/hwmon/pmbus/ti,ucd90320.yaml

diff --git a/Documentation/devicetree/bindings/hwmon/pmbus/ti,ucd90320.yaml b/Documentation/devicetree/bindings/hwmon/pmbus/ti,ucd90320.yaml
new file mode 100644
index 000000000000..5d42e1304202
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/pmbus/ti,ucd90320.yaml
@@ -0,0 +1,45 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+
+$id: http://devicetree.org/schemas/hwmon/pmbus/ti,ucd90320.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: UCD90320 power sequencer
+
+maintainers:
+  - Jim Wright <wrightj@...ux.vnet.ibm.com>
+
+description: |
+  The UCD90320 is a 32-rail PMBus/I2C addressable power-supply sequencer and
+  monitor. The 24 integrated ADC channels (AMONx) monitor the power supply
+  voltage, current, and temperature. Of the 84 GPIO pins, 8 can be used as
+  digital monitors (DMONx), 32 to enable the power supply (ENx), 24 for
+  margining (MARx), 16 for logical GPO, and 32 GPIs for cascading, and system
+  function.
+
+  http://focus.ti.com/lit/ds/symlink/ucd90320.pdf
+
+properties:
+  compatible:
+    enum:
+      - ti,ucd90320
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        ucd90320@11 {
+            compatible = "ti,ucd90320";
+            reg = <0x11>;
+        };
+    };
-- 
2.17.1