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=-7.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=no 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 514D3C433E0 for ; Fri, 17 Jul 2020 00:44:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 26EC72070E for ; Fri, 17 Jul 2020 00:44:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="PSaIj05A" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726512AbgGQAov (ORCPT ); Thu, 16 Jul 2020 20:44:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58252 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726238AbgGQAov (ORCPT ); Thu, 16 Jul 2020 20:44:51 -0400 Received: from mail-qk1-x72a.google.com (mail-qk1-x72a.google.com [IPv6:2607:f8b0:4864:20::72a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9AC03C061755; Thu, 16 Jul 2020 17:44:50 -0700 (PDT) Received: by mail-qk1-x72a.google.com with SMTP id 80so7378577qko.7; Thu, 16 Jul 2020 17:44:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=vGUxnMXj+mrB4zcMkacPyP3iNtpM1W8c4ZhEk/k7V8A=; b=PSaIj05ADJprzRlbULe2NMfeHi5eiMYwU2XhX2QQ/Y+jWXZyudWL0P2eotnBTAnedz g5g7hJSgv///tuBToY5wIS1xEYhlHRxP3evHdFWTVroQPZzSJrw4Xq4CzGiZUIL/1tMM vy/pXViEHpJTCEtPJjiczS+ZST6h3sbMMyz23qxgw1ZAsPDEqSJOhJjnZMXz+vxhXK5j TTxJily5UK4u4PtwhM5ciuWarPQsqzml3uKgs9StaYsnpoX88eP9/xty9ahWNBU98d2U PQhJNzoauFzcLPI7r5hWGhTtT4h9OpcBB5lg5JCglJiH0INIdEBQ84tHU9ks5zfyAnzT lwdQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=vGUxnMXj+mrB4zcMkacPyP3iNtpM1W8c4ZhEk/k7V8A=; b=NQlEUSzuSdDybD4j+62qeTp5pK3ETlbzTeVMljtQi9Uea/Dh5unw4p46uZOXnXq3if lwWtSDmjgc7HLyXLQ8yy1X6b14G5WJPGb0Lp7oyKohfGph2y42F1j3lQt85Ni4FqXKO+ BB9DYob8fmWN2izgjAbI0WMolcu4eJf6+WtvlrbciAJv8Eg6kQASgz/xFloF1e0S8nPR MLELFCLc1WcbV6ngen4BzmzV0FMN/NP5PF21QECfKjYj7wCN9JQ6VkqkgaORfL4PUwQc ahU9zWrYY2fwvq3T0+lObpcc2LAat2pygfLzI/UaDzHqlTSbpTNv/h2Nkw/qd4v/aRsU FEaA== X-Gm-Message-State: AOAM533gmGpuj0spDftoR/hVlehJajk5LiNUu4PRrccLlejPcMB8xCI3 BjMAUnHcWN6wB99Nuw6oezDRp9ZbaUb8Dw== X-Google-Smtp-Source: ABdhPJzZIxGmw0qdJt2BnC9UZE6lIBpepqqYjvk2UVpxvo1dmPbHuQhtsJuc21kuLfvvt+mraxBn0g== X-Received: by 2002:a05:620a:1519:: with SMTP id i25mr6415971qkk.91.1594946689071; Thu, 16 Jul 2020 17:44:49 -0700 (PDT) Received: from localhost.localdomain ([192.58.132.250]) by smtp.gmail.com with ESMTPSA id y22sm8890042qth.46.2020.07.16.17.44.46 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 16 Jul 2020 17:44:48 -0700 (PDT) From: Santiago Hormazabal To: linux-media@vger.kernel.org, devicetree@vger.kernel.org, Rob Herring , Ezequiel Garcia , Hans Verkuil , linux-kernel@vger.kernel.org Cc: Santiago Hormazabal Subject: [PATCH 0/3] KT091 FM/AM driver Date: Thu, 16 Jul 2020 21:44:38 -0300 Message-Id: <20200717004441.116248-1-santiagohssl@gmail.com> X-Mailer: git-send-email 2.24.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org media: adds support for kt0913 FM/AM tuner chip Adds a driver for the KT0913 FM/AM tuner chip from KT Micro. This chip is found on many low cost FM/AM radios and DVD/Home Theaters. The chip provides two ways of usage, a manual mode (requiring only a few buttons) or complete control via I2C. This driver uses the latter. It exposes the minimum functionality of this chip, which includes tuning an AM or FM station given its frequency, reading the signal strength, setting Stereo (only on FM) or Mono (available on AM/FM), Mute, Volume and Audio Gain. I left some TODOs on the code, like supporting the chip's hardware seek feature, using a RW/RO regmaps rather than a single volatile regmap, show the FM SNR as a RO control and the FM/AM AFC deviation as another RO control. I tested this on two systems, the first one being a Raspberry Pi 4 with the unstable 5.x kernel, but later I moved to a Banana Pi 2 Zero where I used the (current at this time) master of this repo for testing. I've also compiled the v4l-compliance from sources and it passed all the tests. The output of that is at the end of this note. v4l2-compliance SHA: e50041186be9f69dd94b64fb924115201726e72a, 32 bits, 32-bit time_t Compliance test for kt0913-fm-am device /dev/radio0: Driver Info: Driver name : kt0913-fm-am Card type : kt0913-fm-am Bus info : I2C:radio0 Driver version : 5.8.0 Capabilities : 0x80250000 Tuner Radio Extended Pix Format Device Capabilities Device Caps : 0x00250000 Tuner Radio Extended Pix Format Required ioctls: test VIDIOC_QUERYCAP: OK Allow for multiple opens: test second /dev/radio0 open: OK test VIDIOC_QUERYCAP: OK test VIDIOC_G/S_PRIORITY: OK test for unlimited opens: OK test invalid ioctls: OK Debug ioctls: test VIDIOC_DBG_G/S_REGISTER: OK test VIDIOC_LOG_STATUS: OK Input ioctls: test VIDIOC_G/S_TUNER/ENUM_FREQ_BANDS: OK test VIDIOC_G/S_FREQUENCY: OK test VIDIOC_S_HW_FREQ_SEEK: OK (Not Supported) test VIDIOC_ENUMAUDIO: OK (Not Supported) test VIDIOC_G/S/ENUMINPUT: OK (Not Supported) test VIDIOC_G/S_AUDIO: OK (Not Supported) Inputs: 0 Audio Inputs: 0 Tuners: 1 Output ioctls: test VIDIOC_G/S_MODULATOR: OK (Not Supported) test VIDIOC_G/S_FREQUENCY: OK test VIDIOC_ENUMAUDOUT: OK (Not Supported) test VIDIOC_G/S/ENUMOUTPUT: OK (Not Supported) test VIDIOC_G/S_AUDOUT: OK (Not Supported) Outputs: 0 Audio Outputs: 0 Modulators: 0 Input/Output configuration ioctls: test VIDIOC_ENUM/G/S/QUERY_STD: OK (Not Supported) test VIDIOC_ENUM/G/S/QUERY_DV_TIMINGS: OK (Not Supported) test VIDIOC_DV_TIMINGS_CAP: OK (Not Supported) test VIDIOC_G/S_EDID: OK (Not Supported) Control ioctls: test VIDIOC_QUERY_EXT_CTRL/QUERYMENU: OK test VIDIOC_QUERYCTRL: OK test VIDIOC_G/S_CTRL: OK test VIDIOC_G/S/TRY_EXT_CTRLS: OK test VIDIOC_(UN)SUBSCRIBE_EVENT/DQEVENT: OK test VIDIOC_G/S_JPEGCOMP: OK (Not Supported) Standard Controls: 8 Private Controls: 0 Format ioctls: test VIDIOC_ENUM_FMT/FRAMESIZES/FRAMEINTERVALS: OK (Not Supported) test VIDIOC_G/S_PARM: OK (Not Supported) test VIDIOC_G_FBUF: OK (Not Supported) test VIDIOC_G_FMT: OK (Not Supported) test VIDIOC_TRY_FMT: OK (Not Supported) test VIDIOC_S_FMT: OK (Not Supported) test VIDIOC_G_SLICED_VBI_CAP: OK (Not Supported) test Cropping: OK (Not Supported) test Composing: OK (Not Supported) test Scaling: OK (Not Supported) Codec ioctls: test VIDIOC_(TRY_)ENCODER_CMD: OK (Not Supported) test VIDIOC_G_ENC_INDEX: OK (Not Supported) test VIDIOC_(TRY_)DECODER_CMD: OK (Not Supported) Buffer ioctls: test VIDIOC_REQBUFS/CREATE_BUFS/QUERYBUF: OK (Not Supported) test VIDIOC_EXPBUF: OK (Not Supported) test Requests: OK (Not Supported) Total for kt0913-fm-am device /dev/radio0: 45, Succeeded: 45, Failed: 0, Warnings: 0 Santiago Hormazabal (3): dt-bindings: vendor-prefixes: Add KT Micro media: kt0913: device tree binding media: Add support for the AM/FM radio chip KT0913 from KT Micro. .../bindings/media/i2c/ktm,kt0913.yaml | 56 + .../devicetree/bindings/vendor-prefixes.yaml | 2 + drivers/media/radio/radio-kt0913.c | 1181 +++++++++++++++++ 3 files changed, 1239 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/i2c/ktm,kt0913.yaml create mode 100644 drivers/media/radio/radio-kt0913.c -- 2.24.1