From e29d0d9c90c9592dea18d0a838fffc85d6e3d028 Mon Sep 17 00:00:00 2001 From: Boris Brezillon Date: Fri, 21 Jul 2017 12:22:23 +0200 Subject: dt-bindings: i3c: Document Cadence I3C master bindings Document Cadence I3C master DT bindings. Signed-off-by: Boris Brezillon Reviewed-by: Rob Herring Reviewed-by: Arnd Bergmann Acked-by: Greg Kroah-Hartman --- .../devicetree/bindings/i3c/cdns,i3c-master.txt | 43 ++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 Documentation/devicetree/bindings/i3c/cdns,i3c-master.txt (limited to 'Documentation/devicetree/bindings/i3c') 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..69da2115abdc --- /dev/null +++ b/Documentation/devicetree/bindings/i3c/cdns,i3c-master.txt @@ -0,0 +1,43 @@ +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>; + }; + }; -- cgit v1.2.3-59-g8ed1b