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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id DB077C5478C for ; Tue, 27 Feb 2024 09:02:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=2UFRVzRGdKbrh6OpmSoCELk6m/tgkgNo+Ce19meRH6Q=; b=vznaW7jKwSIFUK1ve/f6BfDIwD F/V7pwloFwtBBOUv8zNwm2rpoUoBvfyb+oeQeKcMTsfO7nwCKsl7joBA0KSv19ixX72FOVNd1EnHR VwUghWtnh9xEqAQeRV+j54CtlcnZeKeU9XXBx7M/wv053VegGBZZ/q+HVU/gAtGcVI2av4IsCamsi LJUBUJuseDbFk4Q8w9ehxQjl8IXEwBcXI7xxtXJtGwiW0JCYgBe2UnAqtYU6oJ9cIOHYVzHV75LVO hGTouoBq8NnQtvCOtNVFrvrFRhoCNXN8Dtc+jnKMVQjCPhclr+UGxOSTftxs/7Xcuk9hmb6C8Mf8M 15c3HNVg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1retLm-00000004Qjs-1ZnI; Tue, 27 Feb 2024 09:02:10 +0000 Received: from mail-ej1-x62d.google.com ([2a00:1450:4864:20::62d]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1retLi-00000004Qin-0KZF for linux-mediatek@lists.infradead.org; Tue, 27 Feb 2024 09:02:08 +0000 Received: by mail-ej1-x62d.google.com with SMTP id a640c23a62f3a-a3fb8b0b7acso499328466b.2 for ; Tue, 27 Feb 2024 01:02:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1709024523; x=1709629323; darn=lists.infradead.org; h=content-transfer-encoding:in-reply-to:autocrypt:from:references:cc :to:content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=2UFRVzRGdKbrh6OpmSoCELk6m/tgkgNo+Ce19meRH6Q=; b=abj4Zir30MfEmBYSMJ8U6GGPxokPEAEFW4AgAQ9U7e9o9Pin5qhitwI+JeZaPQf94C EABl5qrBJlBwkksEVHXc03Kh+lC7XyOiXZXMTW0+Wp4ZajJiQcHM2NgUFcxZMKLRNAuA ZXAoQ3kzCzBZXiAwS246MWGdSQkIStR9BUNXL3Wts8PswTzaiVWuKK6tVIyyxhLjRSDr b0Za70F1cOLKmlzCxBZeJDrzR9XpRVskMtYKOGfXyNSI0ORFu+7tsTurV4OSpeB73vIR YX5r4/wexOh9bjW7vU0wdJezodSumecvavajE4G10To+1PBJQgJTJeOBCgdIT+K2Cn7L +07Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1709024523; x=1709629323; h=content-transfer-encoding:in-reply-to:autocrypt:from:references:cc :to:content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=2UFRVzRGdKbrh6OpmSoCELk6m/tgkgNo+Ce19meRH6Q=; b=RXNu67W/dMJIhzCnaxk5y9Xhc2lLjSIZXNjn2Wt0CyejzmriJfZrfx6qSur9Y1A6pw B0WhLYQUEs2sCFWkWKEpSEnUWrAz7xAKR5pnLaLDnR6Br6h8OmCS8S8YzoMHb/2zvQX6 v5DjmRlAoaJ2cPXpSy2LpXPbaoGirrkwF84C/Whefct0ydf9sKUcy5sq/TmXnxxjphQT r/p4sc4Y+P8PeeHdqh9Je+TTIBfCuI023VoOEoBLSa6N/Cbz5zyfuMepkw8UOlxO2OaJ O8nEVNFfL5/soT7DUEABss8ndw5vSVRVYzA9i2RaNVjbYLzbHEWWbv02vXwzjeAAvy5m IvJA== X-Forwarded-Encrypted: i=1; AJvYcCX6qKqDT/Zqp8izPV6bfGrRdLkhmNnWdZZ2t1ClCIortyMVvqLDyoLXYVh9slHKmupBtdl0HJ61tjhLEEPJychSfVzCTnvKDI6pTsrkLLd5OE/W X-Gm-Message-State: AOJu0YxrLY/grI2i+k3da4i3z6C3g3JTS7OuSEiHEs/PDLGhcmlQ/XiA KzkyIprB0dRu/Jix0OFWMpKlFluZlXSm+53XXdtFcUTB5UY4rJ6uzx82QBmbnJ0= X-Google-Smtp-Source: AGHT+IGc2QWR0Rom1zSmTHDgmMau7w3Y2LbkBFSHyz26l01oceBcm30z5SU15vWVjJT25rM6B2UZ0w== X-Received: by 2002:a17:906:2e89:b0:a3f:5144:ada2 with SMTP id o9-20020a1709062e8900b00a3f5144ada2mr6800588eji.2.1709024523555; Tue, 27 Feb 2024 01:02:03 -0800 (PST) Received: from [192.168.1.20] ([178.197.222.116]) by smtp.gmail.com with ESMTPSA id s12-20020a17090699cc00b00a3e8c3fc3ffsm560002ejn.10.2024.02.27.01.01.57 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 27 Feb 2024 01:02:03 -0800 (PST) Message-ID: Date: Tue, 27 Feb 2024 10:01:55 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 01/18] ASoC: dt-bindings: mediatek,mt8365-afe: Add audio afe document Content-Language: en-US To: Alexandre Mergnat , Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Lee Jones , Flora Fu , Jaroslav Kysela , Takashi Iwai , Sumit Semwal , =?UTF-8?Q?Christian_K=C3=B6nig?= , Catalin Marinas , Will Deacon Cc: linux-sound@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org References: <20240226-audio-i350-v1-0-4fa1cea1667f@baylibre.com> <20240226-audio-i350-v1-1-4fa1cea1667f@baylibre.com> From: Krzysztof Kozlowski Autocrypt: addr=krzysztof.kozlowski@linaro.org; keydata= xsFNBFVDQq4BEAC6KeLOfFsAvFMBsrCrJ2bCalhPv5+KQF2PS2+iwZI8BpRZoV+Bd5kWvN79 cFgcqTTuNHjAvxtUG8pQgGTHAObYs6xeYJtjUH0ZX6ndJ33FJYf5V3yXqqjcZ30FgHzJCFUu JMp7PSyMPzpUXfU12yfcRYVEMQrmplNZssmYhiTeVicuOOypWugZKVLGNm0IweVCaZ/DJDIH gNbpvVwjcKYrx85m9cBVEBUGaQP6AT7qlVCkrf50v8bofSIyVa2xmubbAwwFA1oxoOusjPIE J3iadrwpFvsZjF5uHAKS+7wHLoW9hVzOnLbX6ajk5Hf8Pb1m+VH/E8bPBNNYKkfTtypTDUCj NYcd27tjnXfG+SDs/EXNUAIRefCyvaRG7oRYF3Ec+2RgQDRnmmjCjoQNbFrJvJkFHlPeHaeS BosGY+XWKydnmsfY7SSnjAzLUGAFhLd/XDVpb1Een2XucPpKvt9ORF+48gy12FA5GduRLhQU vK4tU7ojoem/G23PcowM1CwPurC8sAVsQb9KmwTGh7rVz3ks3w/zfGBy3+WmLg++C2Wct6nM Pd8/6CBVjEWqD06/RjI2AnjIq5fSEH/BIfXXfC68nMp9BZoy3So4ZsbOlBmtAPvMYX6U8VwD TNeBxJu5Ex0Izf1NV9CzC3nNaFUYOY8KfN01X5SExAoVTr09ewARAQABzTRLcnp5c3p0b2Yg S296bG93c2tpIDxrcnp5c3p0b2Yua296bG93c2tpQGxpbmFyby5vcmc+wsGUBBMBCgA+FiEE m9B+DgxR+NWWd7dUG5NDfTtBYpsFAmI+BxMCGwMFCRRfreEFCwkIBwIGFQoJCAsCBBYCAwEC HgECF4AACgkQG5NDfTtBYptgbhAAjAGunRoOTduBeC7V6GGOQMYIT5n3OuDSzG1oZyM4kyvO XeodvvYv49/ng473E8ZFhXfrre+c1olbr1A8pnz9vKVQs9JGVa6wwr/6ddH7/yvcaCQnHRPK mnXyP2BViBlyDWQ71UC3N12YCoHE2cVmfrn4JeyK/gHCvcW3hUW4i5rMd5M5WZAeiJj3rvYh v8WMKDJOtZFXxwaYGbvFJNDdvdTHc2x2fGaWwmXMJn2xs1ZyFAeHQvrp49mS6PBQZzcx0XL5 cU9ZjhzOZDn6Apv45/C/lUJvPc3lo/pr5cmlOvPq1AsP6/xRXsEFX/SdvdxJ8w9KtGaxdJuf rpzLQ8Ht+H0lY2On1duYhmro8WglOypHy+TusYrDEry2qDNlc/bApQKtd9uqyDZ+rx8bGxyY qBP6bvsQx5YACI4p8R0J43tSqWwJTP/R5oPRQW2O1Ye1DEcdeyzZfifrQz58aoZrVQq+innR aDwu8qDB5UgmMQ7cjDSeAQABdghq7pqrA4P8lkA7qTG+aw8Z21OoAyZdUNm8NWJoQy8m4nUP gmeeQPRc0vjp5JkYPgTqwf08cluqO6vQuYL2YmwVBIbO7cE7LNGkPDA3RYMu+zPY9UUi/ln5 dcKuEStFZ5eqVyqVoZ9eu3RTCGIXAHe1NcfcMT9HT0DPp3+ieTxFx6RjY3kYTGLOwU0EVUNc NAEQAM2StBhJERQvgPcbCzjokShn0cRA4q2SvCOvOXD+0KapXMRFE+/PZeDyfv4dEKuCqeh0 hihSHlaxTzg3TcqUu54w2xYskG8Fq5tg3gm4kh1Gvh1LijIXX99ABA8eHxOGmLPRIBkXHqJY oHtCvPc6sYKNM9xbp6I4yF56xVLmHGJ61KaWKf5KKWYgA9kfHufbja7qR0c6H79LIsiYqf92 H1HNq1WlQpu/fh4/XAAaV1axHFt/dY/2kU05tLMj8GjeQDz1fHas7augL4argt4e+jum3Nwt yupodQBxncKAUbzwKcDrPqUFmfRbJ7ARw8491xQHZDsP82JRj4cOJX32sBg8nO2N5OsFJOcd 5IE9v6qfllkZDAh1Rb1h6DFYq9dcdPAHl4zOj9EHq99/CpyccOh7SrtWDNFFknCmLpowhct9 5ZnlavBrDbOV0W47gO33WkXMFI4il4y1+Bv89979rVYn8aBohEgET41SpyQz7fMkcaZU+ok/ +HYjC/qfDxT7tjKXqBQEscVODaFicsUkjheOD4BfWEcVUqa+XdUEciwG/SgNyxBZepj41oVq FPSVE+Ni2tNrW/e16b8mgXNngHSnbsr6pAIXZH3qFW+4TKPMGZ2rZ6zITrMip+12jgw4mGjy 5y06JZvA02rZT2k9aa7i9dUUFggaanI09jNGbRA/ABEBAAHCwXwEGAEKACYCGwwWIQSb0H4O DFH41ZZ3t1Qbk0N9O0FimwUCYDzvagUJFF+UtgAKCRAbk0N9O0Fim9JzD/0auoGtUu4mgnna oEEpQEOjgT7l9TVuO3Qa/SeH+E0m55y5Fjpp6ZToc481za3xAcxK/BtIX5Wn1mQ6+szfrJQ6 59y2io437BeuWIRjQniSxHz1kgtFECiV30yHRgOoQlzUea7FgsnuWdstgfWi6LxstswEzxLZ Sj1EqpXYZE4uLjh6dW292sO+j4LEqPYr53hyV4I2LPmptPE9Rb9yCTAbSUlzgjiyyjuXhcwM qf3lzsm02y7Ooq+ERVKiJzlvLd9tSe4jRx6Z6LMXhB21fa5DGs/tHAcUF35hSJrvMJzPT/+u /oVmYDFZkbLlqs2XpWaVCo2jv8+iHxZZ9FL7F6AHFzqEFdqGnJQqmEApiRqH6b4jRBOgJ+cY qc+rJggwMQcJL9F+oDm3wX47nr6jIsEB5ZftdybIzpMZ5V9v45lUwmdnMrSzZVgC4jRGXzsU EViBQt2CopXtHtYfPAO5nAkIvKSNp3jmGxZw4aTc5xoAZBLo0OV+Ezo71pg3AYvq0a3/oGRG KQ06ztUMRrj8eVtpImjsWCd0bDWRaaR4vqhCHvAG9iWXZu4qh3ipie2Y0oSJygcZT7H3UZxq fyYKiqEmRuqsvv6dcbblD8ZLkz1EVZL6djImH5zc5x8qpVxlA0A0i23v5QvN00m6G9NFF0Le D2GYIS41Kv4Isx2dEFh+/Q== In-Reply-To: <20240226-audio-i350-v1-1-4fa1cea1667f@baylibre.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240227_010206_179942_CD2AF959 X-CRM114-Status: GOOD ( 21.90 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org On 26/02/2024 15:01, Alexandre Mergnat wrote: > Add MT8365 audio front-end bindings > > Signed-off-by: Alexandre Mergnat > --- > .../bindings/sound/mediatek,mt8365-afe.yaml | 164 +++++++++++++++++++++ > 1 file changed, 164 insertions(+) > > diff --git a/Documentation/devicetree/bindings/sound/mediatek,mt8365-afe.yaml b/Documentation/devicetree/bindings/sound/mediatek,mt8365-afe.yaml > new file mode 100644 > index 000000000000..1d7eb2532ad2 > --- /dev/null > +++ b/Documentation/devicetree/bindings/sound/mediatek,mt8365-afe.yaml > @@ -0,0 +1,164 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/sound/mediatek,mt8365-afe.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: MediaTek AFE PCM controller for MT8365 > + > +maintainers: > + - Alexandre Mergnat > + > +properties: > + compatible: > + const: mediatek,mt8365-afe-pcm > + > + reg: > + maxItems: 2 You must describe the items. > + > + interrupts: > + maxItems: 1 > + > + mediatek,topckgen: > + $ref: /schemas/types.yaml#/definitions/phandle > + description: The phandle of the mediatek topckgen controller What for? Don't repeat the property name. Say something useful. > + > + power-domains: > + maxItems: 1 > + > + "#sound-dai-cells": > + const: 0 > + > + clocks: > + items: > + - description: 26M clock > + - description: mux for audio clock > + - description: audio i2s0 mck > + - description: audio i2s1 mck > + - description: audio i2s2 mck > + - description: audio i2s3 mck > + - description: engen 1 clock > + - description: engen 2 clock > + - description: audio 1 clock > + - description: audio 2 clock > + - description: mux for i2s0 > + - description: mux for i2s1 > + - description: mux for i2s2 > + - description: mux for i2s3 > + > + clock-names: > + items: > + - const: top_clk26m_clk > + - const: top_audio_sel > + - const: audio_i2s0_m > + - const: audio_i2s1_m > + - const: audio_i2s2_m > + - const: audio_i2s3_m > + - const: engen1 > + - const: engen2 > + - const: aud1 > + - const: aud2 > + - const: i2s0_m_sel > + - const: i2s1_m_sel > + - const: i2s2_m_sel > + - const: i2s3_m_sel > + > + mediatek,i2s-shared-clock: Why do you need this property? Linux (and other systems) handle sharing clocks properly. > + description: > + i2s modules can share the same external clock pin. > + If this property is not present the clock mode is separrate. Typo > + type: boolean > + > + mediatek,dmic-iir-on: > + description: > + Boolean which specifies whether the DMIC IIR is enabled. > + If this property is not present the IIR is disabled. "is enabled" or "enable it"? You described the desired Linux feature or behavior, not the actual hardware. The bindings are about the latter, so instead you need to rephrase the property and its description to match actual hardware capabilities/features/configuration etc. > + type: boolean > + > + mediatek,dmic-irr-mode: > + $ref: /schemas/types.yaml#/definitions/uint32 > + description: > + Selects stop band of IIR DC-removal filter. > + 0 = Software programmable custom coeff loaded by the driver. Bindings are for hardware, not drivers. Why is this a property of board DTS? > + 1 = 5Hz if 48KHz mode. > + 2 = 10Hz if 48KHz mode. > + 3 = 25Hz if 48KHz mode. > + 4 = 50Hz if 48KHz mode. > + 5 = 65Hz if 48KHz mode. Use proper unit suffixes - hz. > + enum: > + - 0 > + - 1 > + - 2 > + - 3 > + - 4 > + - 5 > + > + mediatek,dmic-two-wire-mode: > + description: > + Boolean which turns on digital microphone for two wire mode. > + If this property is not present the two wire mode is disabled. This looks like hardware property, but the naming looks like SW. Again you instruct what driver should do. Standard disclaimer: You described the desired Linux feature or behavior, not the actual hardware. The bindings are about the latter, so instead you need to rephrase the property and its description to match actual hardware capabilities/features/configuration etc. > + type: boolean > + > + Just one blank line. > +required: > + - compatible > + - reg > + - interrupts > + - power-domains > + - mediatek,topckgen > + - clocks > + - clock-names > + > +additionalProperties: false > + > +examples: > + - | > + #include > + #include > + #include > + #include > + > + soc { > + #address-cells = <2>; > + #size-cells = <2>; > + > + afe@11220000 { What is AFE? https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation > + compatible = "mediatek,mt8365-afe-pcm"; Best regards, Krzysztof