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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2F6B2E9272B for ; Thu, 5 Oct 2023 19:21:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231186AbjJETVx (ORCPT ); Thu, 5 Oct 2023 15:21:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39288 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229734AbjJETVw (ORCPT ); Thu, 5 Oct 2023 15:21:52 -0400 Received: from mail-ed1-x533.google.com (mail-ed1-x533.google.com [IPv6:2a00:1450:4864:20::533]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 34EBCDC for ; Thu, 5 Oct 2023 12:21:51 -0700 (PDT) Received: by mail-ed1-x533.google.com with SMTP id 4fb4d7f45d1cf-5230a22cfd1so2353725a12.1 for ; Thu, 05 Oct 2023 12:21:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1696533709; x=1697138509; 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=zC5nmhOEkk98rezBT2eL5gPDYlMqNoJcj52hTWs3iUg=; b=NykbaJ9zUW0rzDtgUsFY8vwHSe9X0zKpj/ApIXLdDLm7exPrQjBmP1VZXU9oscFApk 4ukmYWSAJg83kQtN17BMtk96pANKyvcWp5Y1F728e8IGqZlpJ4uBWltGAWVzI6kxSKiz Lg3zKfmlko6+O7eNqBkCitJWVU+VLQikNudQXVL/OD+NOBslNn2Te7e0nnoh+TX66VEj w6NDo8J5XVtyJ0HDcyzc5aNz6eUdPkpRCombIxD9b46JGmsZi+nsANDdoxZVTb0kYq3s EqZC4qKB7YGQIXBbgSkSQJhn01yVFt52XmKNYa09WtX3SpFcguQK7jT/oN0Gni/Msayc 14WA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1696533709; x=1697138509; 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=zC5nmhOEkk98rezBT2eL5gPDYlMqNoJcj52hTWs3iUg=; b=nAFO5Tuif+yqAwzBSezha1tOUyMPptc/fMxUJ4oTG8FR7UUEy+kLZt2jBOLHgOknH5 6iJwUcwkuYAG2hO9sQzfl5pziYFep7GZQAKmwnuXUtq0uxpvWvluZnokWc31QwCkueLa udsnjNFFu3KGxol0AtjMQe1bFuoOBjRTnK79XTOnDlj+V3ylCSP5gRW0UvuzwFJRti3D gtUtagw8tkw1lHAbTVqzgUlVdoTs8Hv+OxeVmAMiTj2gcgfsaO2NUnql8YQNvQGrpM4M wlscpV/xgM/pEzfZl0NhtNBsWjuUsTBzbQzmZmjq4XYRKrPUlGx84jD85mTeRNAx38WC LmWw== X-Gm-Message-State: AOJu0Yw7BcwoA7dR6FGyWP3Aju3TRRHZ695w90nyX5OZlUmcP86fBaY2 MEspyGOM30DoIUDwqIA1Zw0IYQ== X-Google-Smtp-Source: AGHT+IEsAQS65ajEAkvqirYG2lP79o5Xp6M15XP9UKihrzfeVYblRVgcZVLCMPbVyNs07EDBpyOXGQ== X-Received: by 2002:a17:906:31c5:b0:9a2:5bf:8b14 with SMTP id f5-20020a17090631c500b009a205bf8b14mr6089768ejf.22.1696533709605; Thu, 05 Oct 2023 12:21:49 -0700 (PDT) Received: from [192.168.1.197] (5-157-101-10.dyn.eolo.it. [5.157.101.10]) by smtp.gmail.com with ESMTPSA id rn4-20020a170906d92400b0099bc038eb2bsm1613889ejb.58.2023.10.05.12.21.47 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 05 Oct 2023 12:21:49 -0700 (PDT) Message-ID: <20c6070e-edeb-4a9d-863d-143abc840874@linaro.org> Date: Thu, 5 Oct 2023 21:21:46 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 18/21] arm64: dts: google: Add initial Google gs101 SoC support Content-Language: en-US To: William McVicker , Peter Griffin Cc: robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, mturquette@baylibre.com, conor+dt@kernel.org, sboyd@kernel.org, tomasz.figa@gmail.com, s.nawrocki@samsung.com, linus.walleij@linaro.org, wim@linux-watchdog.org, linux@roeck-us.net, catalin.marinas@arm.com, will@kernel.org, arnd@arndb.de, olof@lixom.net, cw00.choi@samsung.com, tudor.ambarus@linaro.org, andre.draszik@linaro.org, semen.protsenko@linaro.org, soc@kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org, linux-gpio@vger.kernel.org, linux-watchdog@vger.kernel.org, gregkh@linuxfoundation.org, kernel-team@google.com References: <20231005155618.700312-1-peter.griffin@linaro.org> <20231005155618.700312-19-peter.griffin@linaro.org> 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: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org On 05/10/2023 19:59, William McVicker wrote: > On 10/05/2023, Peter Griffin wrote: >> Google gs101 SoC is ARMv8 mobile SoC found in the Pixel 6, >> (oriole) Pixel 6a (bluejay) and Pixel 6 pro (raven) mobile >> phones. It features: >> * 4xA55 little cluster >> * 2xA76 Mid cluster >> * 2xX1 Big cluster >> >> This commit adds the basic device tree for gs101 (SoC) and oriole >> (pixel 6). Further platform support will be added over time. >> >> It has been tested with a minimal busybox initramfs and boots to >> a shell. >> >> Signed-off-by: Peter Griffin >> --- >> arch/arm64/Kconfig.platforms | 6 + >> arch/arm64/boot/dts/Makefile | 1 + >> arch/arm64/boot/dts/google/Makefile | 6 + >> arch/arm64/boot/dts/google/gs101-oriole.dts | 68 + >> arch/arm64/boot/dts/google/gs101-pinctrl.dtsi | 1134 +++++++++++++++++ >> arch/arm64/boot/dts/google/gs101-pinctrl.h | 17 + >> arch/arm64/boot/dts/google/gs101.dtsi | 501 ++++++++ >> 7 files changed, 1733 insertions(+) >> create mode 100644 arch/arm64/boot/dts/google/Makefile >> create mode 100644 arch/arm64/boot/dts/google/gs101-oriole.dts >> create mode 100644 arch/arm64/boot/dts/google/gs101-pinctrl.dtsi >> create mode 100644 arch/arm64/boot/dts/google/gs101-pinctrl.h >> create mode 100644 arch/arm64/boot/dts/google/gs101.dtsi >> >> diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms >> index 6069120199bb..a5ed1b719488 100644 >> --- a/arch/arm64/Kconfig.platforms >> +++ b/arch/arm64/Kconfig.platforms >> @@ -107,6 +107,12 @@ config ARCH_EXYNOS >> help >> This enables support for ARMv8 based Samsung Exynos SoC family. >> >> +config ARCH_GOOGLE_TENSOR >> + bool "Google Tensor SoC fmaily" >> + depends on ARCH_EXYNOS >> + help >> + Support for ARMv8 based Google Tensor platforms. > > I'd like to bring up this thread and discuss the option of not introducing > another ARCH_* config: > > https://lore.kernel.org/all/20200306103652.GA3634389@kroah.com/ > > I especially don't like the "depends on ARCH_EXYNOS" because that forces one to > include all the other Exynos drivers that ARCH_EXYNOS selects that Google Since we are creating unified kernel images, having other drivers is not a problem. > Tensor SoCs don't need. Can we consider using SOC_GOOGLE instead and for all SOC_GOOGLE will work exactly the same and depend on ARCH_EXYNOS or appear everywhere as ARCH_EXYNOS. We already had this talk with Tesla. > drivers that actually depend on the SoC hardware, we can just add "depends on > SOC_GOOGLE"? > > The idea is that drivers should be tied to hardware -- not a specific vendor. And hardware is Exynos. Tesla FSD and Google Tensor is Exynos, even if you do no like calling it. > By making drivers depend on ARCH_*, you are introducing an arbitrary vendor > dependency and not a hardware dependency. There is no arbitrary dependency. We call it all Exynos hardware, because this is Exynos. I remember what you were pushing for removal of ARCH_EXYNOS and there waas clear feedback, not only from me: this is against communities goals. > > Thanks, > Will Please trim the replies from unrelated context. 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[5.157.101.10]) by smtp.gmail.com with ESMTPSA id rn4-20020a170906d92400b0099bc038eb2bsm1613889ejb.58.2023.10.05.12.21.47 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 05 Oct 2023 12:21:49 -0700 (PDT) Message-ID: <20c6070e-edeb-4a9d-863d-143abc840874@linaro.org> Date: Thu, 5 Oct 2023 21:21:46 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 18/21] arm64: dts: google: Add initial Google gs101 SoC support Content-Language: en-US To: William McVicker , Peter Griffin Cc: robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, mturquette@baylibre.com, conor+dt@kernel.org, sboyd@kernel.org, tomasz.figa@gmail.com, s.nawrocki@samsung.com, linus.walleij@linaro.org, wim@linux-watchdog.org, linux@roeck-us.net, catalin.marinas@arm.com, will@kernel.org, arnd@arndb.de, olof@lixom.net, cw00.choi@samsung.com, tudor.ambarus@linaro.org, andre.draszik@linaro.org, semen.protsenko@linaro.org, soc@kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org, linux-gpio@vger.kernel.org, linux-watchdog@vger.kernel.org, gregkh@linuxfoundation.org, kernel-team@google.com References: <20231005155618.700312-1-peter.griffin@linaro.org> <20231005155618.700312-19-peter.griffin@linaro.org> From: Krzysztof Kozlowski Autocrypt: addr=krzysztof.kozlowski@linaro.org; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 05/10/2023 19:59, William McVicker wrote: > On 10/05/2023, Peter Griffin wrote: >> Google gs101 SoC is ARMv8 mobile SoC found in the Pixel 6, >> (oriole) Pixel 6a (bluejay) and Pixel 6 pro (raven) mobile >> phones. It features: >> * 4xA55 little cluster >> * 2xA76 Mid cluster >> * 2xX1 Big cluster >> >> This commit adds the basic device tree for gs101 (SoC) and oriole >> (pixel 6). Further platform support will be added over time. >> >> It has been tested with a minimal busybox initramfs and boots to >> a shell. >> >> Signed-off-by: Peter Griffin >> --- >> arch/arm64/Kconfig.platforms | 6 + >> arch/arm64/boot/dts/Makefile | 1 + >> arch/arm64/boot/dts/google/Makefile | 6 + >> arch/arm64/boot/dts/google/gs101-oriole.dts | 68 + >> arch/arm64/boot/dts/google/gs101-pinctrl.dtsi | 1134 +++++++++++++++++ >> arch/arm64/boot/dts/google/gs101-pinctrl.h | 17 + >> arch/arm64/boot/dts/google/gs101.dtsi | 501 ++++++++ >> 7 files changed, 1733 insertions(+) >> create mode 100644 arch/arm64/boot/dts/google/Makefile >> create mode 100644 arch/arm64/boot/dts/google/gs101-oriole.dts >> create mode 100644 arch/arm64/boot/dts/google/gs101-pinctrl.dtsi >> create mode 100644 arch/arm64/boot/dts/google/gs101-pinctrl.h >> create mode 100644 arch/arm64/boot/dts/google/gs101.dtsi >> >> diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms >> index 6069120199bb..a5ed1b719488 100644 >> --- a/arch/arm64/Kconfig.platforms >> +++ b/arch/arm64/Kconfig.platforms >> @@ -107,6 +107,12 @@ config ARCH_EXYNOS >> help >> This enables support for ARMv8 based Samsung Exynos SoC family. >> >> +config ARCH_GOOGLE_TENSOR >> + bool "Google Tensor SoC fmaily" >> + depends on ARCH_EXYNOS >> + help >> + Support for ARMv8 based Google Tensor platforms. > > I'd like to bring up this thread and discuss the option of not introducing > another ARCH_* config: > > https://lore.kernel.org/all/20200306103652.GA3634389@kroah.com/ > > I especially don't like the "depends on ARCH_EXYNOS" because that forces one to > include all the other Exynos drivers that ARCH_EXYNOS selects that Google Since we are creating unified kernel images, having other drivers is not a problem. > Tensor SoCs don't need. Can we consider using SOC_GOOGLE instead and for all SOC_GOOGLE will work exactly the same and depend on ARCH_EXYNOS or appear everywhere as ARCH_EXYNOS. We already had this talk with Tesla. > drivers that actually depend on the SoC hardware, we can just add "depends on > SOC_GOOGLE"? > > The idea is that drivers should be tied to hardware -- not a specific vendor. And hardware is Exynos. Tesla FSD and Google Tensor is Exynos, even if you do no like calling it. > By making drivers depend on ARCH_*, you are introducing an arbitrary vendor > dependency and not a hardware dependency. There is no arbitrary dependency. We call it all Exynos hardware, because this is Exynos. I remember what you were pushing for removal of ARCH_EXYNOS and there waas clear feedback, not only from me: this is against communities goals. > > Thanks, > Will Please trim the replies from unrelated context. Best regards, Krzysztof _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel