[PATCH v6 08/10] dt-bindings: i3c: Document Cadence I3C master bindings
From: Boris Brezillon <hidden>
Date: 2018-07-19 15:30:04
Also in:
linux-doc, linux-gpio, linux-i2c, lkml
Subsystem:
i3c subsystem, open firmware and flattened device tree bindings, the rest · Maintainers:
Alexandre Belloni, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Document Cadence I3C master DT bindings. Signed-off-by: Boris Brezillon <redacted> Reviewed-by: Rob Herring <robh@kernel.org> --- Changes in v5: - Add Rob's R-b Changes in v4: - Fix example to match the new representation --- .../devicetree/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>; + }; + }; +
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2.14.1