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Wed, 11 Nov 2026 06:00:07 +0000 (UTC) From: Arun Iyengar via B4 Relay Date: Wed, 11 Nov 2026 06:00:09 +0000 Subject: [PATCH v2 3/8] arm64: dts: allwinner: h616: Add GPU OPP table X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Message-Id: <20261111-h616-zero2-dt-v2-3-88d8030fc975@gmail.com> References: <20261111-h616-zero2-dt-v2-0-88d8030fc975@gmail.com> In-Reply-To: <20261111-h616-zero2-dt-v2-0-88d8030fc975@gmail.com> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Ryan Walklin , Andre Przywara Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, Arun Iyengar X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1794376807; l=2569; i=aiyengar1990@gmail.com; s=20261110; h=from:subject:message-id; bh=lGUm88hkiiCwsS06lh6tLUaHZIc5LqI3MybFyqamLeE=; b=xEKB4Lxds9YjAC84e9tRqBGpiqU7fynFWhfPxxDTvlTwyA7O7OdVtCL01VJKXissGbeXUJ8Hx WplS3IBcC8oD0wT1neISMHPFnTS+AwDztx0a0fuouYNDKwxfkYqZHPF X-Developer-Key: i=aiyengar1990@gmail.com; a=ed25519; pk=zXpRgUTrhaFe6jLyPqbBy3ccfkj04w0g2690Wv3mg+0= X-Endpoint-Received: by B4 Relay for aiyengar1990@gmail.com/20261110 with auth_id=1480 X-Original-From: Arun Iyengar Content-Transfer-Encoding: 7bit X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: aiyengar1990@gmail.com Sender: "linux-arm-kernel" X-Spam-Status: No, score=-16.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, FREEMAIL_REPLYTO_END_DIGIT,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 From: Arun Iyengar Add the operating points of the H616/H618 Mali-G31, so that boards can enable GPU DVFS through panfrost devfreq: 306 to 600 MHz at 810 to 950 mV. The table is the one of the vendor images (as recovered from a KickPi K2B image, also carried by Armbian). Like the H6 GPU OPP table, it uses voltage triplets with a common 990 mV maximum: a board whose GPU supply cannot reach an OPP's target voltage loses that OPP, while a board whose supply minimum is above the target of the lower OPPs keeps them, as their [target, max] range still overlaps the supply's range. Like sun50i-h616-cpu-opp.dtsi, the table is in a separate file that boards include once their GPU supply is described. Signed-off-by: Arun Iyengar --- .../boot/dts/allwinner/sun50i-h616-gpu-opp.dtsi | 62 ++++++++++++++++++++++ 1 file changed, 62 insertions(+) diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h616-gpu-opp.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h616-gpu-opp.dtsi new file mode 100644 index 000000000000..18989d11c832 --- /dev/null +++ b/arch/arm64/boot/dts/allwinner/sun50i-h616-gpu-opp.dtsi @@ -0,0 +1,62 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +// Copyright (C) 2026 Arun Iyengar + +/ { + gpu_opp_table: opp-table-gpu { + compatible = "operating-points-v2"; + + opp-306000000 { + opp-hz = /bits/ 64 <306000000>; + opp-microvolt = <810000 810000 990000>; + }; + + opp-336000000 { + opp-hz = /bits/ 64 <336000000>; + opp-microvolt = <810000 810000 990000>; + }; + + opp-360000000 { + opp-hz = /bits/ 64 <360000000>; + opp-microvolt = <820000 820000 990000>; + }; + + opp-384000000 { + opp-hz = /bits/ 64 <384000000>; + opp-microvolt = <830000 830000 990000>; + }; + + opp-420000000 { + opp-hz = /bits/ 64 <420000000>; + opp-microvolt = <850000 850000 990000>; + }; + + opp-456000000 { + opp-hz = /bits/ 64 <456000000>; + opp-microvolt = <870000 870000 990000>; + }; + + opp-504000000 { + opp-hz = /bits/ 64 <504000000>; + opp-microvolt = <890000 890000 990000>; + }; + + opp-540000000 { + opp-hz = /bits/ 64 <540000000>; + opp-microvolt = <910000 910000 990000>; + }; + + opp-576000000 { + opp-hz = /bits/ 64 <576000000>; + opp-microvolt = <930000 930000 990000>; + }; + + opp-600000000 { + opp-hz = /bits/ 64 <600000000>; + opp-microvolt = <950000 950000 990000>; + }; + }; +}; + +&gpu { + operating-points-v2 = <&gpu_opp_table>; +}; -- 2.55.0