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| author |   Boris Brezillon <boris.brezillon@bootlin.com> | 2017-07-21 12:22:23 +0200 |
|---|---|---|
| committer | Boris Brezillon <boris.brezillon@bootlin.com> | 2018-12-05 17:22:58 +0100 |
| commit | e29d0d9c90c9592dea18d0a838fffc85d6e3d028 (patch) | |
| tree | 57822180a9c00418eea5279474a0a096b0904cb8 /Documentation/devicetree/bindings/i3c | |
| parent | i3c: master: Add driver for Cadence IP (diff) | |
| download | wireguard-linux-e29d0d9c90c9592dea18d0a838fffc85d6e3d028.tar.xz wireguard-linux-e29d0d9c90c9592dea18d0a838fffc85d6e3d028.zip | |
dt-bindings: i3c: Document Cadence I3C master bindings
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>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/devicetree/bindings/i3c')
| -rw-r--r-- | Documentation/devicetree/bindings/i3c/cdns,i3c-master.txt | 43 |
1 files changed, 43 insertions, 0 deletions
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>; + }; + }; |