From patchwork Mon Dec 11 16:23:17 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Griffin X-Patchwork-Id: 753012 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="IkFPu3m+" Received: from mail-wr1-x435.google.com (mail-wr1-x435.google.com [IPv6:2a00:1450:4864:20::435]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B58CEF4 for ; Mon, 11 Dec 2023 08:24:17 -0800 (PST) Received: by mail-wr1-x435.google.com with SMTP id ffacd0b85a97d-336166b8143so2132395f8f.3 for ; Mon, 11 Dec 2023 08:24:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1702311856; x=1702916656; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=ntQd6Owtil6YY6kfGzZXkI4IcBcs/QvakRIvV3Jrlmc=; b=IkFPu3m+6IESH7GEy/s2c+dGeLlES3O4Hx8YUKJQMV6wicHdIwcV8zpQnazfrHu5J5 09ZxtBXV2j9XSNg5xgab1r29iSzf2C5b3GIdwDExabZ4f/n6XxfTWYAqcRVXKojQw5x+ L+3lqxuiTqvSUFAvLqXPyMeIK64ke2wdBtzNbXz6vyETIe07/Komx623yPsnNldFrSsn EPPA9ux+LdTcBR+xepkBSrXShLcP9YuBnWHyQOyUj7vo1KYAj1qywkMsatEsWiEWUxVl wCYt/HL4OjvTXYTUg9qFZk1F6+TKGT1/qEmxk+WJlCQJ3Vuo7GF8HyWo+5Wy8ZECKYnd xezg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1702311856; x=1702916656; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=ntQd6Owtil6YY6kfGzZXkI4IcBcs/QvakRIvV3Jrlmc=; b=SBk07qVwOfl9GzWEdqeTy0cCIGCpL3ukH3X147p0+5Z5Sg0rPnMZZh1zSN8gX5WYJa PFjnFx7YGi34MW3TI94dldQqQ1RsBPVIpct06ROfyOkUTiNCVOx4esZ3c5IwTlrs8jo5 w9okn+dvwJ5jtILx3ctG/Izagkh8nqOjXWqxE9Zh1FYqQLYLmR/A/oqSvG09EEUgrMFY BQsxsFXpKkxpjOZm2hpp1pJ2VBsXSB+DucZOGpHi0/9oPB7mnMqrjde9tRXlabAyDuXh SMgyHu+9u8BwcVPm+fOwhXy3tVF9P4isxN0iazmWlv+aa44f5QvuZjdTAb1cx+wtPktC JSPw== X-Gm-Message-State: AOJu0Yx350dTvun5UTaH2zrP3DlotvJavOSfyqeTdhrbHgqZDS5wSiSS apIlVDCJMADvdSNGp3h4hUxr+Q== X-Google-Smtp-Source: AGHT+IERzhWDtnFYAN7fglUabpiLxWRf4WJ2G4/bvTQZRB7ZPQCtA2qqWU1Rohw/fIlMIYr7Qj/kEw== X-Received: by 2002:a5d:4412:0:b0:336:1701:f8f8 with SMTP id z18-20020a5d4412000000b003361701f8f8mr2352487wrq.52.1702311856155; Mon, 11 Dec 2023 08:24:16 -0800 (PST) Received: from gpeter-l.lan (host-92-29-28-58.as13285.net. [92.29.28.58]) by smtp.gmail.com with ESMTPSA id o4-20020a5d58c4000000b0033333bee379sm8923103wrf.107.2023.12.11.08.24.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 Dec 2023 08:24:15 -0800 (PST) From: Peter Griffin To: 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, gregkh@linuxfoundation.org, jirislaby@kernel.org, cw00.choi@samsung.com, alim.akhtar@samsung.com Cc: peter.griffin@linaro.org, tudor.ambarus@linaro.org, andre.draszik@linaro.org, semen.protsenko@linaro.org, saravanak@google.com, willmcvicker@google.com, 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, kernel-team@android.com, linux-serial@vger.kernel.org Subject: [PATCH v7 02/16] dt-bindings: arm: google: Add bindings for Google ARM platforms Date: Mon, 11 Dec 2023 16:23:17 +0000 Message-ID: <20231211162331.435900-3-peter.griffin@linaro.org> X-Mailer: git-send-email 2.43.0.472.g3155946c3a-goog In-Reply-To: <20231211162331.435900-1-peter.griffin@linaro.org> References: <20231211162331.435900-1-peter.griffin@linaro.org> Precedence: bulk X-Mailing-List: linux-watchdog@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 This introduces bindings and dt-schema for the Google Tensor SoCs. Currently just gs101 and pixel 6 are supported. Reviewed-by: Sam Protsenko Signed-off-by: Peter Griffin Reviewed-by: Rob Herring --- @RobH I removed your 'Reviewed-by: Rob Herring ' tag as since you reviewed this I added the empty ect node. Can you please do the review again? x# Please enter the commit message for your changes. Lines starting --- .../devicetree/bindings/arm/google.yaml | 53 +++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/google.yaml diff --git a/Documentation/devicetree/bindings/arm/google.yaml b/Documentation/devicetree/bindings/arm/google.yaml new file mode 100644 index 000000000000..e20b5c9b16bc --- /dev/null +++ b/Documentation/devicetree/bindings/arm/google.yaml @@ -0,0 +1,53 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/arm/google.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Google Tensor platforms + +maintainers: + - Peter Griffin + +description: | + ARM platforms using SoCs designed by Google branded "Tensor" used in Pixel + devices. + + Currently upstream this is devices using "gs101" SoC which is found in Pixel + 6, Pixel 6 Pro and Pixel 6a. + + Google have a few different names for the SoC: + - Marketing name ("Tensor") + - Codename ("Whitechapel") + - SoC ID ("gs101") + - Die ID ("S5P9845") + + Likewise there are a couple of names for the actual device + - Marketing name ("Pixel 6") + - Codename ("Oriole") + + Devicetrees should use the lowercased SoC ID and lowercased board codename, + e.g. gs101 and gs101-oriole. + +properties: + $nodename: + const: '/' + compatible: + oneOf: + - description: Google Pixel 6 / Oriole + items: + - enum: + - google,gs101-oriole + - const: google,gs101 + + # Bootloader requires empty ect node to be present + ect: + type: object + additionalProperties: false + +required: + - ect + +additionalProperties: true + +...