From: Luca Ceresoli <luca@lucaceresoli.net> To: linux-media@vger.kernel.org, linux-i2c@vger.kernel.org Cc: Luca Ceresoli <luca@lucaceresoli.net>, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Mauro Carvalho Chehab <mchehab@kernel.org>, Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Wolfram Sang <wsa@the-dreams.de>, Sakari Ailus <sakari.ailus@linux.intel.com>, Hans Verkuil <hverkuil-cisco@xs4all.nl>, Laurent Pinchart <laurent.pinchart@ideasonboard.com>, Kieran Bingham <kieran.bingham@ideasonboard.com>, Jacopo Mondi <jacopo@jmondi.org>, Vladimir Zapolskiy <vz@mleia.com>, Peter Rosin <peda@axentia.se> Subject: [RFC,v2 4/6] media: dt-bindings: add DS90UB953-Q1 video serializer Date: Tue, 23 Jul 2019 22:37:21 +0200 Message-ID: <20190723203723.11730-5-luca@lucaceresoli.net> (raw) In-Reply-To: <20190723203723.11730-1-luca@lucaceresoli.net> Describe the Texas Instruments DS90UB953-Q1, a video serializer with remote access to I2C and GPIOs. Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net> --- Changes RFCv1 -> RFCv2: none, this patch is new in RFCv2 --- .../bindings/media/i2c/ti,ds90ub953-q1.txt | 42 +++++++++++++++++++ include/dt-bindings/media/ds90ub953.h | 16 +++++++ 2 files changed, 58 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/i2c/ti,ds90ub953-q1.txt create mode 100644 include/dt-bindings/media/ds90ub953.h diff --git a/Documentation/devicetree/bindings/media/i2c/ti,ds90ub953-q1.txt b/Documentation/devicetree/bindings/media/i2c/ti,ds90ub953-q1.txt new file mode 100644 index 000000000000..ba24f887b607 --- /dev/null +++ b/Documentation/devicetree/bindings/media/i2c/ti,ds90ub953-q1.txt @@ -0,0 +1,42 @@ +Texas Instruments DS90UB953-Q1 video serializer +=============================================== + +The TI DS90UB953-Q1 is a MIPI CSI-2 video serializer that forwards a MIPI +CSI-2 input video stream over an FPD Link 3 connection to a remote +deserializer. It also allows access to I2C and GPIO from the deserializer. + +The DT definitions can be found in include/dt-bindings/media/ds90ub953.h + +When used as a the remote counterpart of a deserializer (e.g. the +DS90UB954-Q1), the serializer is described in the +"deserializer/ports/port@<N>/endpoint/remote-chip" node. + +Required properties: + + - compatible: must be "ti,ds90ub953-q1" + +Optional properties: + + - gpio-functions: a list of 4 values defining how the 4 GPIO pins are + connected in hardware; possible values are: + - DS90_GPIO_FUNC_UNUSED (0): the GPIO is not connected + - DS90_GPIO_FUNC_INPUT (1): the GPIO is an input to the ds90ub953 + - DS90_GPIO_FUNC_OUTPUT_REMOTE (2): the GPIO is an output from the + ds90ub953, to be driven from the remote chip (deserializer) + + - ti,ds90ub953-q1-clk-inv-pol-quirk: the MIPI CSI-2 input clock lane has + inverted polarity + + +Device node example +------------------- + +&ds90ub954_fpd3_in0 { + remote-chip { + compatible = "ti,ds90ub953-q1"; + gpio-functions = <DS90_GPIO_FUNC_OUTPUT_REMOTE + DS90_GPIO_FUNC_OUTPUT_REMOTE + DS90_GPIO_FUNC_UNUSED + DS90_GPIO_FUNC_UNUSED>; + }; +}; diff --git a/include/dt-bindings/media/ds90ub953.h b/include/dt-bindings/media/ds90ub953.h new file mode 100644 index 000000000000..5359432968e9 --- /dev/null +++ b/include/dt-bindings/media/ds90ub953.h @@ -0,0 +1,16 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/** + * Definitions for the Texas Instruments DS90UB953-Q1 video serializer + * + * Copyright (c) 2019 Luca Ceresoli <luca@lucaceresoli.net> + */ + +#ifndef _DS90UB953_H +#define _DS90UB953_H + +#define DS90_GPIO_FUNC_UNUSED 0 +#define DS90_GPIO_FUNC_INPUT 1 +#define DS90_GPIO_FUNC_OUTPUT_REMOTE 2 +#define DS90_GPIO_N_FUNCS 3 + +#endif /* _DS90UB953_H */ -- 2.17.1
next prev parent reply index Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-07-23 20:37 [RFC,v2 0/6] TI camera serdes and I2C address translation Luca Ceresoli 2019-07-23 20:37 ` [RFC,v2 1/6] i2c: core: let adapters be notified of client attach/detach Luca Ceresoli 2019-07-23 20:37 ` [RFC,v2 2/6] i2c: add I2C Address Translator (ATR) support Luca Ceresoli 2019-09-01 14:31 ` jacopo mondi 2019-09-03 7:31 ` Luca Ceresoli 2019-09-03 7:37 ` Wolfram Sang 2019-09-04 8:09 ` Peter Rosin 2019-09-08 19:40 ` Luca Ceresoli 2019-09-10 18:46 ` Wolfram Sang 2019-09-08 20:45 ` Vladimir Zapolskiy 2019-09-09 4:56 ` Vladimir Zapolskiy 2019-09-10 17:40 ` Luca Ceresoli 2019-09-09 7:22 ` Wolfram Sang 2019-09-09 15:10 ` Vladimir Zapolskiy 2019-09-09 17:48 ` Luca Ceresoli 2019-09-10 17:16 ` Wolfram Sang 2019-09-02 20:42 ` Wolfram Sang 2019-09-03 8:48 ` Luca Ceresoli 2019-09-03 9:06 ` Wolfram Sang 2019-07-23 20:37 ` [RFC,v2 3/6] media: dt-bindings: add DS90UB954-Q1 video deserializer Luca Ceresoli 2019-08-13 15:44 ` Rob Herring 2019-08-19 22:41 ` Luca Ceresoli 2019-08-20 15:44 ` Rob Herring 2019-08-21 21:50 ` Luca Ceresoli 2019-09-02 20:48 ` Wolfram Sang 2019-09-03 9:09 ` Luca Ceresoli 2019-09-03 9:34 ` Wolfram Sang 2019-09-03 11:03 ` Luca Ceresoli 2019-09-03 14:16 ` Wolfram Sang 2019-09-10 9:43 ` Sakari Ailus 2019-09-10 15:02 ` Luca Ceresoli 2019-07-23 20:37 ` Luca Ceresoli [this message] 2019-07-23 20:37 ` [RFC,v2 5/6] media: ds90ub954: new driver for TI " Luca Ceresoli 2019-07-23 20:37 ` [RFC,v2 6/6] media: ds90ub953: new driver for TI DS90UB953-Q1 video serializer Luca Ceresoli
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20190723203723.11730-5-luca@lucaceresoli.net \ --to=luca@lucaceresoli.net \ --cc=devicetree@vger.kernel.org \ --cc=hverkuil-cisco@xs4all.nl \ --cc=jacopo@jmondi.org \ --cc=kieran.bingham@ideasonboard.com \ --cc=laurent.pinchart@ideasonboard.com \ --cc=linux-i2c@vger.kernel.org \ --cc=linux-kernel@vger.kernel.org \ --cc=linux-media@vger.kernel.org \ --cc=mark.rutland@arm.com \ --cc=mchehab@kernel.org \ --cc=peda@axentia.se \ --cc=robh+dt@kernel.org \ --cc=sakari.ailus@linux.intel.com \ --cc=vz@mleia.com \ --cc=wsa@the-dreams.de \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: link
Linux-Media Archive on lore.kernel.org Archives are clonable: git clone --mirror https://lore.kernel.org/linux-media/0 linux-media/git/0.git # If you have public-inbox 1.1+ installed, you may # initialize and index your mirror using the following commands: public-inbox-init -V2 linux-media linux-media/ https://lore.kernel.org/linux-media \ linux-media@vger.kernel.org public-inbox-index linux-media Example config snippet for mirrors Newsgroup available over NNTP: nntp://nntp.lore.kernel.org/org.kernel.vger.linux-media AGPL code for this site: git clone https://public-inbox.org/public-inbox.git