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From: Sakari Ailus <sakari.ailus@linux.intel.com>
To: Luca Ceresoli <luca@lucaceresoli.net>
Cc: linux-media@vger.kernel.org, linux-i2c@vger.kernel.org,
	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>,
	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: Re: [RFC,v2 3/6] media: dt-bindings: add DS90UB954-Q1 video deserializer
Date: Tue, 10 Sep 2019 12:43:27 +0300
Message-ID: <20190910094327.GG5781@paasikivi.fi.intel.com> (raw)
In-Reply-To: <20190723203723.11730-4-luca@lucaceresoli.net>

Hi Luca,

On Tue, Jul 23, 2019 at 10:37:20PM +0200, Luca Ceresoli wrote:

...

> +Device node example
> +-------------------
> +
> +&i2c0 {
> +	deser: deser@3d {
> +		compatible = "ti,ds90ub954-q1";
> +		reg-names = "main", "rxport0", "rxport1", "ser0", "ser1";
> +		reg       = <0x3d>,  <0x40>,    <0x41>,   <0x44>, <0x45>;
> +		clocks = <&clk_25M>;
> +		interrupt-parent = <&gic>;
> +		interrupts = <3 1 IRQ_TYPE_LEVEL_HIGH>;
> +		reset-gpios = <&gpio_ctl 4 GPIO_ACTIVE_LOW>;
> +
> +		i2c-alias-pool = /bits/ 16 <0x4a 0x4b 0x4c 0x4d 0x4e 0x4f>;
> +
> +		gpio-controller;
> +		#gpio-cells = <3>; /* rxport, remote gpio num, flags */
> +
> +		ports {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			port@0 {
> +				reg = <0>;
> +				ds90ub954_fpd3_in0: endpoint {
> +					remote-endpoint = <&sensor_0_out>;
> +				};
> +			};
> +
> +			port@1 {
> +				reg = <1>;
> +				ds90ub954_fpd3_in1: endpoint {
> +					remote-endpoint = <&sensor_1_out>;
> +				};
> +			};
> +
> +			port@2 {
> +				reg = <2>;
> +				ds90ub954_mipi_out0: endpoint {
> +					data-lanes = <1 2 3 4>;
> +					/* Actually a REFCLK multiplier */
> +					data-rate = <1600000000>;

What is data-rate used for? Is it documented somewhere? Could you use
link-frequencies property instead? It's defined in video-interfaces.txt.

-- 
Sakari Ailus
sakari.ailus@linux.intel.com

  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 [this message]
2019-09-10 15:02     ` Luca Ceresoli
2019-07-23 20:37 ` [RFC,v2 4/6] media: dt-bindings: add DS90UB953-Q1 video serializer Luca Ceresoli
2019-07-23 20:37 ` [RFC,v2 5/6] media: ds90ub954: new driver for TI DS90UB954-Q1 video deserializer Luca Ceresoli
2019-07-23 20:37 ` [RFC,v2 6/6] media: ds90ub953: new driver for TI DS90UB953-Q1 video serializer Luca Ceresoli

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