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Message-Id: <20220422192224.2594098-1-robh@kernel.org>
Date: Fri, 22 Apr 2022 14:22:23 -0500
From: Rob Herring <robh@...nel.org>
To: Przemysław Gaj <pgaj@...ence.com>,
Alexandre Belloni <alexandre.belloni@...tlin.com>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Boris Brezillon <bbrezillon@...nel.org>
Cc: linux-i3c@...ts.infradead.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH] dt-bindings: i3c: Convert cdns,i3c-master to DT schema
Convert the Cadence I3C master to DT schema format. This fixes a warning
as it is used in the i3c.yaml example.
The "nintendo,nunchuk" is not documented by a schema, so change the
example child device to something which is documented.
Signed-off-by: Rob Herring <robh@...nel.org>
---
.../bindings/i3c/cdns,i3c-master.txt | 43 -------------
.../bindings/i3c/cdns,i3c-master.yaml | 60 +++++++++++++++++++
2 files changed, 60 insertions(+), 43 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/i3c/cdns,i3c-master.txt
create mode 100644 Documentation/devicetree/bindings/i3c/cdns,i3c-master.yaml
diff --git a/Documentation/devicetree/bindings/i3c/cdns,i3c-master.txt b/Documentation/devicetree/bindings/i3c/cdns,i3c-master.txt
deleted file mode 100644
index 3716589d6999..000000000000
--- a/Documentation/devicetree/bindings/i3c/cdns,i3c-master.txt
+++ /dev/null
@@ -1,43 +0,0 @@
-Bindings for cadence I3C master block
-=====================================
-
-Required properties:
---------------------
-- compatible: shall be "cdns,i3c-master"
-- clocks: shall reference the pclk and sysclk
-- clock-names: shall contain "pclk" and "sysclk"
-- interrupts: the interrupt line connected to this I3C master
-- reg: I3C master registers
-
-Mandatory properties defined by the generic binding (see
-Documentation/devicetree/bindings/i3c/i3c.yaml for more details):
-
-- #address-cells: shall be set to 1
-- #size-cells: shall be set to 0
-
-Optional properties defined by the generic binding (see
-Documentation/devicetree/bindings/i3c/i3c.yaml for more details):
-
-- i2c-scl-hz
-- i3c-scl-hz
-
-I3C device connected on the bus follow the generic description (see
-Documentation/devicetree/bindings/i3c/i3c.yaml for more details).
-
-Example:
-
- i3c-master@...40000 {
- compatible = "cdns,i3c-master";
- clocks = <&coreclock>, <&i3csysclock>;
- clock-names = "pclk", "sysclk";
- interrupts = <3 0>;
- reg = <0x0d040000 0x1000>;
- #address-cells = <1>;
- #size-cells = <0>;
- i2c-scl-hz = <100000>;
-
- nunchuk: nunchuk@52 {
- compatible = "nintendo,nunchuk";
- reg = <0x52 0x0 0x10>;
- };
- };
diff --git a/Documentation/devicetree/bindings/i3c/cdns,i3c-master.yaml b/Documentation/devicetree/bindings/i3c/cdns,i3c-master.yaml
new file mode 100644
index 000000000000..cc40d25358ec
--- /dev/null
+++ b/Documentation/devicetree/bindings/i3c/cdns,i3c-master.yaml
@@ -0,0 +1,60 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/i3c/cdns,i3c-master.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Cadence I3C master block
+
+maintainers:
+ - Boris Brezillon <bbrezillon@...nel.org>
+
+allOf:
+ - $ref: i3c.yaml#
+
+properties:
+ compatible:
+ const: cdns,i3c-master
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ maxItems: 2
+
+ clock-names:
+ items:
+ - const: pclk
+ - const: sysclk
+
+ interrupts:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+ - interrupts
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ i3c-master@...0000 {
+ compatible = "cdns,i3c-master";
+ clocks = <&coreclock>, <&i3csysclock>;
+ clock-names = "pclk", "sysclk";
+ interrupts = <3 0>;
+ reg = <0x0d040000 0x1000>;
+ #address-cells = <3>;
+ #size-cells = <0>;
+ i2c-scl-hz = <100000>;
+
+ eeprom@57{
+ compatible = "atmel,24c01";
+ reg = <0x57 0x0 0x10>;
+ pagesize = <0x8>;
+ };
+ };
+...
--
2.32.0
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