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Tue, 3 Nov 2026 21:33:41 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=rnplus.nl; s=dkim; t=1793738022; bh=2wkTu59kSxoO15eMfM57RBq7UEe0GI/tQEudoKg9A2A=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=NR9fwCpe44g4hkPId3bcDP97wwZb0KOba59eFPlHCMMc6PnTI+zQGQ6k8SSGQYqlv 2AmPdVB2LW9JAwDeMnffsnch0krk/qIwu8L9RhH+iYD9Sm4Gn4jdnlU/3M0Bbx8zXm q+SojoJuIcYda3h6l1Dakp3uZvKCI8lXrdak7V2g= From: Renze Nicolai To: Joel Stanley , Andrew Jeffery Cc: Renze Nicolai , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/4] ARM: dts: aspeed: x570d4u: Fix fan tach channel assignments Date: Tue, 3 Nov 2026 21:33:03 +0100 Message-ID: <20261103203308.54789-3-renze@rnplus.nl> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261103203308.54789-1-renze@rnplus.nl> References: <20261103203308.54789-1-renze@rnplus.nl> X-Mailing-List: linux-aspeed@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , Precedence: list X-Archived-By: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_PASS, SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 tachometer channel numbers for FAN4, FAN5 and FAN6 did not match the board's actual PWM wiring, causing incorrect fan speed readings. FAN6 is wired to PWM5 and FAN5 is wired to PWM6 (not PWM6/PWM5 respectively as previously assigned), and FAN4's tach channel was off by one. Signed-off-by: Renze Nicolai --- arch/arm/boot/dts/aspeed/aspeed-bmc-asrock-x570d4u.dts | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-asrock-x570d4u.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-asrock-x570d4u.dts index 7d27833b761d..6e7e3e7ec101 100644 --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-asrock-x570d4u.dts +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-asrock-x570d4u.dts @@ -320,19 +320,19 @@ fan@2 { fan@3 { /* FAN4 (6-pin) */ reg = <0x03>; - aspeed,fan-tach-ch = /bits/ 8 <0x04 0x0b>; + aspeed,fan-tach-ch = /bits/ 8 <0x03 0x0b>; }; fan@4 { - /* FAN6 (6-pin) */ + /* FAN6 (6-pin), wired to PWM5 */ reg = <0x04>; - aspeed,fan-tach-ch = /bits/ 8 <0x06 0x0d>; + aspeed,fan-tach-ch = /bits/ 8 <0x05 0x0d>; }; fan@5 { - /* FAN5 (6-pin) */ + /* FAN5 (6-pin), wired to PWM6 */ reg = <0x05>; - aspeed,fan-tach-ch = /bits/ 8 <0x05 0x0c>; + aspeed,fan-tach-ch = /bits/ 8 <0x04 0x0c>; }; }; -- 2.56.0