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[2001:b400:e357:b8a8:7759:271d:6134:9aa3]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2363ad90982sm21283835ad.220.2025.06.11.01.05.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 Jun 2025 01:05:24 -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 2/5] ARM: dts: aspeed: harma: add fan board I/O expander Date: Wed, 11 Jun 2025 16:05:11 +0800 Message-Id: <20250611080514.3123335-3-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 GPIO I/O expander node for the fan board to detect and monitor fan board status. Signed-off-by: Peter Yin --- .../dts/aspeed/aspeed-bmc-facebook-harma.dts | 38 +++++++++++++++++++ 1 file changed, 38 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 3a215bb1e220..344e20394665 100644 --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-harma.dts +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-harma.dts @@ -218,6 +218,25 @@ temperature-sensor@4b { compatible =3D "ti,tmp75"; reg =3D <0x4b>; }; + + gpio@12 { + compatible =3D "nxp,pca9555"; + reg =3D <0x12>; + gpio-controller; + #gpio-cells =3D <2>; + interrupt-parent =3D <&sgpiom0>; + interrupts =3D <116 IRQ_TYPE_LEVEL_LOW>; + + gpio-line-names =3D + "","", + "","", + "","", + "","", + "","", + "","", + "","fcb1-activate", + "",""; + }; }; =20 &i2c1 { @@ -273,6 +292,25 @@ temperature-sensor@4b { compatible =3D "ti,tmp75"; reg =3D <0x4b>; }; + + gpio@12 { + compatible =3D "nxp,pca9555"; + reg =3D <0x12>; + gpio-controller; + #gpio-cells =3D <2>; + interrupt-parent =3D <&sgpiom0>; + interrupts =3D <114 IRQ_TYPE_LEVEL_LOW>; + + gpio-line-names =3D + "","", + "","", + "","", + "","", + "","", + "","", + "","fcb0-activate", + "",""; + }; }; =20 &i2c3 { --=20 2.25.1