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[61.220.246.151]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-84f5a553071sm627409b3a.43.2026.08.07.01.31.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 07 Aug 2026 01:31:57 -0700 (PDT) From: Fred Chen To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Joel Stanley , Andrew Jeffery , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 2/5] ARM: dts: aspeed: santabarbara: Disable power monitor nodes Date: Fri, 7 Aug 2026 16:34:05 +0800 Message-ID: <20260807083415.672008-3-fredchen.openbmc@gmail.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260807083415.672008-1-fredchen.openbmc@gmail.com> References: <20260807083415.672008-1-fredchen.openbmc@gmail.com> X-Mailing-List: linux-aspeed@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Due to a design change, this power monitor IC now has multiple sources, and different vendors' parts require different drivers. Disable these nodes so the kernel does not auto-probe a driver, and let userspace instantiate the correct driver based on the part actually populated on the board. Signed-off-by: Fred Chen --- arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-santabarbara.dts | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-santabarbara.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-santabarbara.dts index 2a822e38f091..04fa9a5e0d04 100644 --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-santabarbara.dts +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-santabarbara.dts @@ -585,24 +585,28 @@ power-monitor@40 { compatible = "ti,ina230"; reg = <0x40>; shunt-resistor = <2000>; + status = "disabled"; }; power-monitor@41 { compatible = "ti,ina230"; reg = <0x41>; shunt-resistor = <2000>; + status = "disabled"; }; power-monitor@44 { compatible = "ti,ina230"; reg = <0x44>; shunt-resistor = <2000>; + status = "disabled"; }; power-monitor@45 { compatible = "ti,ina230"; reg = <0x45>; shunt-resistor = <2000>; + status = "disabled"; }; }; -- 2.52.0