linux-kernel - [PATCH 11/13] dt-bindings: ipmi: Convert IPMI-SMIC bindings to json-schema

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Date:   Wed, 26 Feb 2020 18:08:59 +0000
From:   Andre Przywara <andre.przywara@....com>
To:     Rob Herring <robh@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Cc:     Robert Richter <rric@...nel.org>, soc@...nel.org,
        Jon Loeliger <jdl@....com>,
        Mark Langsdorf <mlangsdo@...hat.com>,
        Eric Auger <eric.auger@...hat.com>,
        Will Deacon <will@...nel.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Corey Minyard <minyard@....org>,
        openipmi-developer@...ts.sourceforge.net
Subject: [PATCH 11/13] dt-bindings: ipmi: Convert IPMI-SMIC bindings to json-schema

Convert the generic IPMI controller bindings to DT schema format
using json-schema.

I removed the formerly mandatory device-type property, since this
is deprecated in the DT spec, except for the legacy CPU and memory
nodes.

Signed-off-by: Andre Przywara <andre.przywara@....com>
Cc: Corey Minyard <minyard@....org>
Cc: openipmi-developer@...ts.sourceforge.net

---
 .../devicetree/bindings/ipmi/ipmi-smic.txt    | 25 ---------
 .../devicetree/bindings/ipmi/ipmi-smic.yaml   | 56 +++++++++++++++++++
 2 files changed, 56 insertions(+), 25 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/ipmi/ipmi-smic.txt
 create mode 100644 Documentation/devicetree/bindings/ipmi/ipmi-smic.yaml

diff --git a/Documentation/devicetree/bindings/ipmi/ipmi-smic.txt b/Documentation/devicetree/bindings/ipmi/ipmi-smic.txt
deleted file mode 100644
index d5f1a877ed3e..000000000000
--- a/Documentation/devicetree/bindings/ipmi/ipmi-smic.txt
+++ /dev/null
@@ -1,25 +0,0 @@
-IPMI device
-
-Required properties:
-- compatible: should be one of ipmi-kcs, ipmi-smic, or ipmi-bt
-- device_type: should be ipmi
-- reg: Address and length of the register set for the device
-
-Optional properties:
-- interrupts: The interrupt for the device.  Without this the interface
-	is polled.
-- reg-size - The size of the register.  Defaults to 1
-- reg-spacing - The number of bytes between register starts.  Defaults to 1
-- reg-shift - The amount to shift the registers to the right to get the data
-	into bit zero.
-
-Example:
-
-smic@...3a000 {
-	compatible = "ipmi-smic";
-	device_type = "ipmi";
-	reg = <0xfff3a000 0x1000>;
-	interrupts = <0 24 4>;
-	reg-size = <4>;
-	reg-spacing = <4>;
-};
diff --git a/Documentation/devicetree/bindings/ipmi/ipmi-smic.yaml b/Documentation/devicetree/bindings/ipmi/ipmi-smic.yaml
new file mode 100644
index 000000000000..c859e0e959b9
--- /dev/null
+++ b/Documentation/devicetree/bindings/ipmi/ipmi-smic.yaml
@@ -0,0 +1,56 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/ipmi/ipmi-smic.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: IPMI device bindings
+
+description: IPMI device bindings
+
+maintainers:
+  - Corey Minyard <cminyard@...sta.com>
+
+properties:
+  compatible:
+    enum:
+      - ipmi-kcs
+      - ipmi-smic
+      - ipmi-bt
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    description: Interface is polled if this property is omitted.
+    maxItems: 1
+
+  reg-size:
+    description: The access width of the register in bytes. Defaults to 1.
+    allOf:
+      - $ref: /schemas/types.yaml#/definitions/uint32
+      - enum: [1, 2, 4, 8]
+
+  reg-spacing:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: The number of bytes between register starts. Defaults to 1.
+
+  reg-shift:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: |
+      The amount of bits to shift the register content to the right to get
+      the data into bit zero.
+
+required:
+  - compatible
+  - reg
+
+examples:
+  - |
+    smic@...3a000 {
+        compatible = "ipmi-smic";
+        reg = <0xfff3a000 0x1000>;
+        interrupts = <0 24 4>;
+        reg-size = <4>;
+        reg-spacing = <4>;
+    };
-- 
2.17.1