linux-kernel - [PATCH v3 2/3] dt-bindings: i3c: Document Synopsys DesignWare I3C master bindings

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Message-Id: <1541697251-20392-3-git-send-email-soares@synopsys.com>
Date:   Thu,  8 Nov 2018 17:14:10 +0000
From:   Vitor soares <vitor.soares@...opsys.com>
To:     boris.brezillon@...tlin.com, wsa@...-dreams.de,
        linux-i2c@...r.kernel.org, corbet@....net,
        linux-doc@...r.kernel.org, gregkh@...uxfoundation.org,
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        bfolta@...ence.com, dkos@...ence.com, alicja@...ence.com,
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        pawel.moll@....com, mark.rutland@....com,
        ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
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Subject: [PATCH v3 2/3] dt-bindings: i3c: Document Synopsys DesignWare I3C master bindings

Document Synopsys DesignWare I3C master module

Signed-off-by: Vitor soares <soares@...opsys.com>
---
Changes in v3:
- Remove dummy characters

Changes in v2:
- Address the changes in Documentation/devicetree/bindings/i3c/i3c.txt
- Add controller version on compatible string

 .../devicetree/bindings/i3c/snps,dw-i3c-master.txt | 42 ++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/i3c/snps,dw-i3c-master.txt

diff --git a/Documentation/devicetree/bindings/i3c/snps,dw-i3c-master.txt b/Documentation/devicetree/bindings/i3c/snps,dw-i3c-master.txt
new file mode 100644
index 0000000..b930c09
--- /dev/null
+++ b/Documentation/devicetree/bindings/i3c/snps,dw-i3c-master.txt
@@ -0,0 +1,42 @@
+Bindings for Synopsys DesignWare I3C master block
+=================================================
+
+Required properties:
+--------------------
+- compatible: shall be "snps,dw-i3c-master-1.00a"
+- clocks: shall reference the core_clk
+- interrupts: the interrupt line connected to this I3C master
+- reg: Offset and length of 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 3
+- #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@...0 {
+		compatible = "snps,dw-i3c-master-1.00a";
+		#address-cells = <3>;
+		#size-cells = <0>;
+		reg = <0x02000 0x1000>;
+		interrupts = <0>;
+		clocks = <&i3cclk>;
+
+		eeprom@57{
+			compatible = "atmel,24c01";
+			reg = < 0x57 0x0 0x10>;
+			pagesize = <0x8>;
+		};
+	};
+
-- 
2.7.4