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[2001:b400:e357:b8a8:7759:271d:6134:9aa3]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2363ad90982sm21283835ad.220.2025.06.11.01.05.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 Jun 2025 01:05:28 -0700 (PDT) From: Peter Yin 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 Cc: peteryin.openbmc@gmail.com Subject: [PATCH v2 3/5] ARM: dts: aspeed: harma: add ADC128D818 for voltage monitoring Date: Wed, 11 Jun 2025 16:05:12 +0800 Message-Id: <20250611080514.3123335-4-peteryin.openbmc@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250611080514.3123335-1-peteryin.openbmc@gmail.com> References: <20250611080514.3123335-1-peteryin.openbmc@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add the ADC128D818 device to I2C bus 29 to support voltage monitoring on the Harma platform. This enables accurate measurement of system voltages through the onboard ADC. Signed-off-by: Peter Yin --- .../boot/dts/aspeed/aspeed-bmc-facebook-harma.dts | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-harma.dts b/arch/= arm/boot/dts/aspeed/aspeed-bmc-facebook-harma.dts index 344e20394665..25b873ace2ea 100644 --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-harma.dts +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-harma.dts @@ -529,6 +529,19 @@ eeprom@54 { compatible =3D "atmel,24c64"; reg =3D <0x54>; }; + + adc@1d { + compatible =3D "ti,adc128d818"; + reg =3D <0x1d>; + ti,mode =3D /bits/ 8 <1>; + }; + + adc@1f { + compatible =3D "ti,adc128d818"; + reg =3D <0x1f>; + ti,mode =3D /bits/ 8 <1>; + }; + }; imux30: i2c@2 { #address-cells =3D <1>; --=20 2.25.1