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Sun, 15 Nov 2026 09:03:31 -0800 (PST) Received: from jernej-laptop ([2a00:ee2:6a02:9300:bb69:6bcf:1b11:e85b]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-49c77393700sm16719512f8f.18.2026.11.15.09.03.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 15 Nov 2026 09:03:30 -0800 (PST) From: Jernej Skrabec To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Samuel Holland Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, Jernej Skrabec Subject: [PATCH] arm64: dts: allwinner: h6: orangepi: Raise CPU regulator max voltage Date: Sun, 15 Nov 2026 18:03:28 +0100 Message-ID: <20261115170328.34338-1-jernej.skrabec@gmail.com> X-Mailer: git-send-email 2.56.1 X-Archived-By: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261115_090333_741839_838F970E X-CRM114-Status: GOOD ( 14.13 ) X-Spam-Score: -2.1 (--) 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: , Sender: "linux-arm-kernel" X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,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 The vdd-cpu regulator on the Orange Pi One Plus and Lite2 is limited to 1.08 V, so the OPP core drops all CPU OPPs that need more. Depending on the speed bin, that caps the CPU at 1488 or 1704 MHz instead of 1800 MHz. The limit dates back to the initial board support and isn't a hardware constraint. Raise it to 1.16 V, the highest voltage in the H6 CPU OPP table, as was done on the Orange Pi 3 and Pine H64 when they gained CPU DVFS. The actual voltage still comes from the OPP for the chip's speed bin. Signed-off-by: Jernej Skrabec --- arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi.dtsi index a2a2e4cb0256..57b137755227 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi.dtsi @@ -207,7 +207,7 @@ reg_cldo3: cldo3 { reg_dcdca: dcdca { regulator-always-on; regulator-min-microvolt = <810000>; - regulator-max-microvolt = <1080000>; + regulator-max-microvolt = <1160000>; regulator-ramp-delay = <2500>; regulator-name = "vdd-cpu"; }; base-commit: c3b0d2bd3ba62c39c131e80d940cabbb8441bbf2 -- 2.43.0