From patchwork Fri Jun 9 15:07:33 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Ramesh Shanmugasundaram X-Patchwork-Id: 41746 X-Patchwork-Delegate: hverkuil@xs4all.nl Received: from mail.tu-berlin.de ([130.149.7.33]) by www.linuxtv.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dJLik-0007h9-S4; Fri, 09 Jun 2017 15:21:06 +0000 X-tubIT-Incoming-IP: 209.132.180.67 Received: from vger.kernel.org ([209.132.180.67]) by mail.tu-berlin.de (exim-4.89/mailfrontend-5) with esmtp id 1dJLii-0000et-94; Fri, 09 Jun 2017 17:21:06 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751661AbdFIPVC (ORCPT + 1 other); Fri, 9 Jun 2017 11:21:02 -0400 Received: from relmlor3.renesas.com ([210.160.252.173]:43153 "EHLO relmlie2.idc.renesas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751646AbdFIPVB (ORCPT ); Fri, 9 Jun 2017 11:21:01 -0400 Received: from unknown (HELO relmlir2.idc.renesas.com) ([10.200.68.152]) by relmlie2.idc.renesas.com with ESMTP; 10 Jun 2017 00:21:00 +0900 Received: from relmlii1.idc.renesas.com (relmlii1.idc.renesas.com [10.200.68.65]) by relmlir2.idc.renesas.com (Postfix) with ESMTP id 2B9186D7B9; Sat, 10 Jun 2017 00:21:00 +0900 (JST) X-IronPort-AV: E=Sophos;i="5.39,317,1493650800"; d="scan'208";a="246019573" Received: from unknown (HELO be1yocto.ree.adwin.renesas.com) ([172.29.43.62]) by relmlii1.idc.renesas.com with ESMTP; 10 Jun 2017 00:20:56 +0900 From: Ramesh Shanmugasundaram To: robh+dt@kernel.org, mark.rutland@arm.com, mchehab@kernel.org, hverkuil@xs4all.nl, sakari.ailus@linux.intel.com, crope@iki.fi Cc: chris.paterson2@renesas.com, laurent.pinchart@ideasonboard.com, geert+renesas@glider.be, linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Ramesh Shanmugasundaram Subject: [PATCH v7 2/7] dt-bindings: media: Add MAX2175 binding description Date: Fri, 9 Jun 2017 16:07:33 +0100 Message-Id: <20170609150738.56294-3-ramesh.shanmugasundaram@bp.renesas.com> X-Mailer: git-send-email 2.12.2 In-Reply-To: <20170609150738.56294-1-ramesh.shanmugasundaram@bp.renesas.com> References: <20170609150738.56294-1-ramesh.shanmugasundaram@bp.renesas.com> MIME-Version: 1.0 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-PMX-Version: 6.0.0.2142326, Antispam-Engine: 2.7.2.2107409, Antispam-Data: 2017.6.9.151216 X-PMX-Spam: Gauge=IIIIIIII, Probability=8%, Report=' MULTIPLE_RCPTS 0.1, HTML_00_01 0.05, HTML_00_10 0.05, BODYTEXTP_SIZE_3000_LESS 0, BODY_SIZE_2000_2999 0, BODY_SIZE_5000_LESS 0, BODY_SIZE_7000_LESS 0, CT_TEXT_PLAIN_UTF8_CAPS 0, IN_REP_TO 0, LEGITIMATE_SIGNS 0, MSG_THREAD 0, MULTIPLE_REAL_RCPTS 0, NO_URI_HTTPS 0, REFERENCES 0, __ANY_URI 0, __CC_NAME 0, __CC_NAME_DIFF_FROM_ACC 0, __CC_REAL_NAMES 0, __CP_MEDIA_BODY 0, __CP_NAME_BODY 0, __CT 0, __CTE 0, __CT_TEXT_PLAIN 0, __FROM_DOMAIN_IN_ANY_CC2 0, __FROM_DOMAIN_IN_RCPT 0, __HAS_CC_HDR 0, __HAS_FROM 0, __HAS_LIST_ID 0, __HAS_MSGID 0, __HAS_X_MAILER 0, __HAS_X_MAILING_LIST 0, __IN_REP_TO 0, __MIME_TEXT_ONLY 0, __MIME_TEXT_P 0, __MIME_TEXT_P1 0, __MIME_VERSION 0, __MULTIPLE_RCPTS_CC_X2 0, __MULTIPLE_RCPTS_TO_X5 0, __NO_HTML_TAG_RAW 0, __REFERENCES 0, __SANE_MSGID 0, __TO_MALFORMED_2 0, __TO_NO_NAME 0, __URI_NO_WWW 0, __URI_NS ' Add device tree binding documentation for MAX2175 RF to bits tuner device. Signed-off-by: Ramesh Shanmugasundaram Acked-by: Rob Herring --- .../devicetree/bindings/media/i2c/max2175.txt | 59 ++++++++++++++++++++++ .../devicetree/bindings/property-units.txt | 1 + 2 files changed, 60 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/i2c/max2175.txt diff --git a/Documentation/devicetree/bindings/media/i2c/max2175.txt b/Documentation/devicetree/bindings/media/i2c/max2175.txt new file mode 100644 index 000000000000..02b4e9cd7b1b --- /dev/null +++ b/Documentation/devicetree/bindings/media/i2c/max2175.txt @@ -0,0 +1,59 @@ +Maxim Integrated MAX2175 RF to Bits tuner +----------------------------------------- + +The MAX2175 IC is an advanced analog/digital hybrid-radio receiver with +RF to Bits® front-end designed for software-defined radio solutions. + +Required properties: +-------------------- +- compatible: "maxim,max2175" for MAX2175 RF-to-bits tuner. +- clocks: clock specifier. +- port: child port node corresponding to the I2S output, in accordance with + the video interface bindings defined in + Documentation/devicetree/bindings/media/video-interfaces.txt. The port + node must contain at least one endpoint. + +Optional properties: +-------------------- +- maxim,master : phandle to the master tuner if it is a slave. This + is used to define two tuners in diversity mode + (1 master, 1 slave). By default each tuner is an + individual master. +- maxim,refout-load : load capacitance value (in picofarads) on reference + output drive level. The possible load values are: + 0 (default - refout disabled) + 10 + 20 + 30 + 40 + 60 + 70 +- maxim,am-hiz-filter : empty property indicates the AM Hi-Z filter is used + in this hardware for AM antenna input. + +Example: +-------- + +Board specific DTS file + +/* Fixed XTAL clock node */ +maxim_xtal: clock { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <36864000>; +}; + +/* A tuner device instance under i2c bus */ +max2175_0: tuner@60 { + compatible = "maxim,max2175"; + reg = <0x60>; + clocks = <&maxim_xtal>; + maxim,refout-load = <10>; + + port { + max2175_0_ep: endpoint { + remote-endpoint = <&slave_rx_device>; + }; + }; + +}; diff --git a/Documentation/devicetree/bindings/property-units.txt b/Documentation/devicetree/bindings/property-units.txt index 12278d79f6c0..7c9f6ee918f1 100644 --- a/Documentation/devicetree/bindings/property-units.txt +++ b/Documentation/devicetree/bindings/property-units.txt @@ -28,6 +28,7 @@ Electricity -ohms : Ohms -micro-ohms : micro Ohms -microvolt : micro volts +-picofarads : picofarads Temperature ----------------------------------------