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From:   Boris Brezillon <boris.brezillon@bootlin.com>
To:     Wolfram Sang <wsa@the-dreams.de>, linux-i2c@vger.kernel.org,
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        Boris Brezillon <boris.brezillon@bootlin.com>
Subject: [PATCH v9 7/9] dt-bindings: i3c: Document Cadence I3C master bindings
Date:   Mon, 22 Oct 2018 15:34:02 +0200
Message-Id: <20181022133404.2061-8-boris.brezillon@bootlin.com>
In-Reply-To: <20181022133404.2061-1-boris.brezillon@bootlin.com>
References: <20181022133404.2061-1-boris.brezillon@bootlin.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Document Cadence I3C master DT bindings.

Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
---
Changes in v9:
- Add Arnd's R-b

Changes in v8:
- None

Changes in v7:
- None

Changes in v6:
- None

Changes in v5:
- Add Rob's R-b

Changes in v4:
- Fix example to match the new representation
---
 .../bindings/i3c/cdns,i3c-master.txt          | 44 +++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/i3c/cdns,i3c-master.txt

diff --git a/Documentation/devicetree/bindings/i3c/cdns,i3c-master.txt b/Documentation/devicetree/bindings/i3c/cdns,i3c-master.txt
new file mode 100644
index 000000000000..0e2b8b8770bf
--- /dev/null
+++ b/Documentation/devicetree/bindings/i3c/cdns,i3c-master.txt
@@ -0,0 +1,44 @@
+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.txt 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.txt 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.txt for more details).
+
+Example:
+
+	i3c-master@0d040000 {
+		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 0x80000010 0>;
+		};
+	};
+
-- 
2.17.1