From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.5 required=3.0 tests=BAYES_00,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_2 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E0DA0C432BE for ; Mon, 30 Aug 2021 12:36:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CC50460724 for ; Mon, 30 Aug 2021 12:36:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230409AbhH3Mgy (ORCPT ); Mon, 30 Aug 2021 08:36:54 -0400 Received: from mail.kernel.org ([198.145.29.99]:55162 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232267AbhH3Mgy (ORCPT ); Mon, 30 Aug 2021 08:36:54 -0400 Received: from jic23-huawei (cpc108967-cmbg20-2-0-cust86.5-4.cable.virginm.net [81.101.6.87]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 5C27460C40; Mon, 30 Aug 2021 12:35:55 +0000 (UTC) Date: Mon, 30 Aug 2021 13:39:06 +0100 From: Jonathan Cameron To: Miquel Raynal Cc: Lars-Peter Clausen , Peter Meerwald-Stadler , Rob Herring , Lee Jones , bcousson@baylibre.com, Tony Lindgren , Tero Kristo , Michael Turquette , Stephen Boyd , Thomas Petazzoni , "Ryan J . Barnett" , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-input@vger.kernel.org, linux-omap@vger.kernel.org, linux-clk@vger.kernel.org Subject: Re: [PATCH 05/40] dt-bindings: touchscreen: ti,am3359-tsc: Remove deprecated text file Message-ID: <20210830133906.6638d794@jic23-huawei> In-Reply-To: <20210825152518.379386-6-miquel.raynal@bootlin.com> References: <20210825152518.379386-1-miquel.raynal@bootlin.com> <20210825152518.379386-6-miquel.raynal@bootlin.com> X-Mailer: Claws Mail 4.0.0 (GTK+ 3.24.30; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org On Wed, 25 Aug 2021 17:24:43 +0200 Miquel Raynal wrote: > Now that the three hardware peaces described in this file have been > translated in yaml in 3 dedicated files (MFD, touchscreen controller and > ADC) it is time to remove this text file. > > Signed-off-by: Miquel Raynal Acked-by: Jonathan Cameron Nice to have another one of these go away :) > --- > .../bindings/input/touchscreen/ti-tsc-adc.txt | 91 ------------------- > 1 file changed, 91 deletions(-) > delete mode 100644 Documentation/devicetree/bindings/input/touchscreen/ti-tsc-adc.txt > > diff --git a/Documentation/devicetree/bindings/input/touchscreen/ti-tsc-adc.txt b/Documentation/devicetree/bindings/input/touchscreen/ti-tsc-adc.txt > deleted file mode 100644 > index aad5e34965eb..000000000000 > --- a/Documentation/devicetree/bindings/input/touchscreen/ti-tsc-adc.txt > +++ /dev/null > @@ -1,91 +0,0 @@ > -* TI - TSC ADC (Touschscreen and analog digital converter) > -~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > - > -Required properties: > -- mfd > - compatible: Should be > - "ti,am3359-tscadc" for AM335x/AM437x SoCs > - "ti,am654-tscadc", "ti,am3359-tscadc" for AM654 SoCs > -- child "tsc" > - compatible: Should be "ti,am3359-tsc". > - ti,wires: Wires refer to application modes i.e. 4/5/8 wire touchscreen > - support on the platform. > - ti,x-plate-resistance: X plate resistance > - ti,coordinate-readouts: The sequencer supports a total of 16 > - programmable steps each step is used to > - read a single coordinate. A single > - readout is enough but multiple reads can > - increase the quality. > - A value of 5 means, 5 reads for X, 5 for > - Y and 2 for Z (always). This utilises 12 > - of the 16 software steps available. The > - remaining 4 can be used by the ADC. > - ti,wire-config: Different boards could have a different order for > - connecting wires on touchscreen. We need to provide an > - 8 bit number where in the 1st four bits represent the > - analog lines and the next 4 bits represent positive/ > - negative terminal on that input line. Notations to > - represent the input lines and terminals resoectively > - is as follows: > - AIN0 = 0, AIN1 = 1 and so on till AIN7 = 7. > - XP = 0, XN = 1, YP = 2, YN = 3. > -- child "adc" > - compatible: Should be > - "ti,am3359-adc" for AM335x/AM437x SoCs > - "ti,am654-adc", "ti,am3359-adc" for AM654 SoCs > - ti,adc-channels: List of analog inputs available for ADC. > - AIN0 = 0, AIN1 = 1 and so on till AIN7 = 7. > - > -Optional properties: > -- child "tsc" > - ti,charge-delay: Length of touch screen charge delay step in terms of > - ADC clock cycles. Charge delay value should be large > - in order to avoid false pen-up events. This value > - effects the overall sampling speed, hence need to be > - kept as low as possible, while avoiding false pen-up > - event. Start from a lower value, say 0x400, and > - increase value until false pen-up events are avoided. > - The pen-up detection happens immediately after the > - charge step, so this does in fact function as a > - hardware knob for adjusting the amount of "settling > - time". > - > -- child "adc" > - ti,chan-step-opendelay: List of open delays for each channel of > - ADC in the order of ti,adc-channels. The > - value corresponds to the number of ADC > - clock cycles to wait after applying the > - step configuration registers and before > - sending the start of ADC conversion. > - Maximum value is 0x3FFFF. > - ti,chan-step-sampledelay: List of sample delays for each channel > - of ADC in the order of ti,adc-channels. > - The value corresponds to the number of > - ADC clock cycles to sample (to hold > - start of conversion high). > - Maximum value is 0xFF. > - ti,chan-step-avg: Number of averages to be performed for each > - channel of ADC. If average is 16 then input > - is sampled 16 times and averaged to get more > - accurate value. This increases the time taken > - by ADC to generate a sample. Valid range is 0 > - average to 16 averages. Maximum value is 16. > - > -Example: > - tscadc: tscadc@44e0d000 { > - compatible = "ti,am3359-tscadc"; > - tsc { > - ti,wires = <4>; > - ti,x-plate-resistance = <200>; > - ti,coordiante-readouts = <5>; > - ti,wire-config = <0x00 0x11 0x22 0x33>; > - ti,charge-delay = <0x400>; > - }; > - > - adc { > - ti,adc-channels = <4 5 6 7>; > - ti,chan-step-opendelay = <0x098 0x3ffff 0x098 0x0>; > - ti,chan-step-sampledelay = <0xff 0x0 0xf 0x0>; > - ti,chan-step-avg = <16 2 4 8>; > - }; > - }