Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752511AbdGaQZB (ORCPT ); Mon, 31 Jul 2017 12:25:01 -0400 Received: from mail.free-electrons.com ([62.4.15.54]:39261 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752106AbdGaQY4 (ORCPT ); Mon, 31 Jul 2017 12:24:56 -0400 From: Boris Brezillon To: Wolfram Sang , linux-i2c@vger.kernel.org, Jonathan Corbet , linux-doc@vger.kernel.org, Greg Kroah-Hartman , Arnd Bergmann Cc: Przemyslaw Sroka , Arkadiusz Golec , Alan Douglas , Bartosz Folta , Damian Kos , Alicja Jurasik-Urbaniak , Jan Kotas , Cyprian Wronka , Alexandre Belloni , Thomas Petazzoni , Nishanth Menon , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Boris Brezillon Subject: [RFC 5/5] dt-bindings: i3c: Document Cadence I3C master bindings Date: Mon, 31 Jul 2017 18:24:50 +0200 Message-Id: <1501518290-5723-6-git-send-email-boris.brezillon@free-electrons.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1501518290-5723-1-git-send-email-boris.brezillon@free-electrons.com> References: <1501518290-5723-1-git-send-email-boris.brezillon@free-electrons.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1857 Lines: 61 Document Cadence I3C master DT bindings. Signed-off-by: Boris Brezillon --- .../devicetree/bindings/i3c/cdns,i3c-master.txt | 45 ++++++++++++++++++++++ 1 file changed, 45 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..f9e4af4ff1c7 --- /dev/null +++ b/Documentation/devicetree/bindings/i3c/cdns,i3c-master.txt @@ -0,0 +1,45 @@ +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-frequency +- i3c-scl-frequency + +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-frequency = <100000>; + + nunchuk: nunchuk@52 { + compatible = "nintendo,nunchuk"; + reg = <0x52>; + i3c-lvr = <0x10>; + }; + }; + -- 2.7.4