From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="JxbHmGjj" Received: from mail-wm1-x333.google.com (mail-wm1-x333.google.com [IPv6:2a00:1450:4864:20::333]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2835DAB for ; Tue, 5 Dec 2023 01:28:01 -0800 (PST) Received: by mail-wm1-x333.google.com with SMTP id 5b1f17b1804b1-40c0e7b8a9bso17936615e9.3 for ; Tue, 05 Dec 2023 01:28:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1701768479; x=1702373279; darn=vger.kernel.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=CS8J4q12YedWzT2gH/0LjzjeAMQwNUR2jyKyMPxxBZo=; b=JxbHmGjj4Sb3PUx637x9D9ZtjtOblWVs7w4ZLATyWWZFBNjcVdjSpcoWHEk14L7kay IiU3qUbVz/JeTdvAAndlg06wAi1IA40HcK//WnGt/6a8kAsDcQlv8JYExR0ezKpFfdWV j/pg8eaAk0u1IKjBcCovohs87FpMjSxufls/88xerpuPpPlWmmX2uSKaYnDb7sX6kxbU Gy+SXhSxsqpQrWKSam5dvWSjhtTZBK6OhWmhmdQFs+zM28ERQx6sxWmX2EPdhGz7o1aI VBPkRpNAeyYOt6aAdJoRwujTa/qG04DjLE5eP/eajcxaUCrJDyLBC1PI3HOjvJDtVBWB C3zg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1701768479; x=1702373279; 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=CS8J4q12YedWzT2gH/0LjzjeAMQwNUR2jyKyMPxxBZo=; b=uLBPwAsc46YfIPnPexGtXc6HjggycP0SyqdXHZkAyNxZ++RHECw2Ir9QGFDxKCdLzF /CpL+lXdA6NxHKTbh7RyputGFZ3PA4+d5ktZteuoe3W4u9HKtSiFCJ8NWy2FaEJO9qZs h48q+63T/zMltjPebX5Tn5pFMttNN0bXqUQ3iPn1fimRl5hNW7mkSXkFcjbGZg4OiwC5 5ugmZVmNosOQO5SOPgroO7r6XjWhBdNuXn/yH+3hf2FpeMxmORAfzH05/t/uR8kvNSTK 0xiy6nWb3PAoOpjiWs7EtTmN3yyXNVxoAi8KzCSGVevOghjL+t3NPK2Xn70p+jjW31Wb cjtw== X-Gm-Message-State: AOJu0YyeWe0Rb1pz/dcpUAw2gp0aV8cQ4aWUFbhYzV9qxC7DTycOecVo GVH5sOELsbuueB7sW4Ebl0pNxQ== X-Google-Smtp-Source: AGHT+IHp0w+gdLsV8lTWGvMje0TOphY3F9ZkUPGE9sTLVZ3z6dH8XGaCGDduDsC7FdZ9FSafLrmTzw== X-Received: by 2002:a05:600c:4ecf:b0:40b:4b93:a369 with SMTP id g15-20020a05600c4ecf00b0040b4b93a369mr304894wmq.14.1701768479600; Tue, 05 Dec 2023 01:27:59 -0800 (PST) Received: from [192.168.1.20] ([178.197.218.27]) by smtp.gmail.com with ESMTPSA id fc9-20020a05600c524900b0040b34720206sm18034665wmb.12.2023.12.05.01.27.56 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 05 Dec 2023 01:27:59 -0800 (PST) Message-ID: <78a81d54-f12c-401e-9a26-5125eb0b1c65@linaro.org> Date: Tue, 5 Dec 2023 10:27:56 +0100 Precedence: bulk X-Mailing-List: linux-omap@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH RFC 01/10] dt-bindings: gpu: Add PowerVR Series5 SGX GPUs Content-Language: en-US To: Andreas Kemnade Cc: Tony Lindgren , Andrew Davis , Frank Binns , Donald Robson , Matt Coster , "H . Nikolaus Schaller" , Adam Ford , Ivaylo Dimitrov , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , =?UTF-8?Q?Beno=C3=AEt_Cousson?= , Nishanth Menon , Vignesh Raghavendra , Tero Kristo , Paul Cercueil , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-omap@vger.kernel.org, linux-mips@vger.kernel.org References: <20231204182245.33683-1-afd@ti.com> <20231204182245.33683-2-afd@ti.com> <20231205075657.GN5169@atomide.com> <20231205081031.GO5169@atomide.com> <20231205083001.GP5169@atomide.com> <27f2e3a3-0791-4278-adb2-55ed76820a3a@linaro.org> <20231205100246.5db0d6a1@aktux> 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: <20231205100246.5db0d6a1@aktux> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 05/12/2023 10:02, Andreas Kemnade wrote: > On Tue, 5 Dec 2023 09:45:44 +0100 > Krzysztof Kozlowski wrote: > >>> Sure the clock nodes can be there for the child IP, but they won't do >>> anything. And still need to be managed separately by the device driver if >>> added. >> >> So if OS does not have runtime PM, the bindings are wrong? Bindings >> should not depend on some particular feature of some particular OS. > > Any user of the devicetree sees that there is a parent and the parent needs > to be enabled by some mechanism. > E.g. I2c devices do not specify the clocks of the parent (the i2c master) If you use this analogy, then compare it with an I2C device which has these clock inputs. Such device must have clocks in the bindings. > > Maybe it is just more fine-grained on omap. > > look e.g. at ti/omap/omap4-l4.dtsi > there are target-module@xxxx > with the devices as a child and a clock in the parent. Not related to runtime PM... Best regards, Krzysztof