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charset="utf-8" Add the MAX31790 nodes as i2c fan controllers. Signed-off-by: Chanh Nguyen --- .../boot/dts/aspeed/aspeed-bmc-ampere-mtmitchell.dts | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtmitchell.dts b/ar= ch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtmitchell.dts index 0295f5adcfbc..da181f9ae820 100644 --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtmitchell.dts +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtmitchell.dts @@ -684,6 +684,16 @@ bmc-ocp0-en-hog { line-name =3D "bmc-ocp0-en-n"; }; }; + + fan-controller0@20 { + compatible =3D "maxim,max31790"; + reg =3D <0x20>; + }; + + fan-controller1@2f { + compatible =3D "maxim,max31790"; + reg =3D <0x2f>; + }; }; =20 &i2c9 { --=20 2.43.0 From nobody Fri Dec 19 17:01:26 2025 Received: from SN4PR2101CU001.outbound.protection.outlook.com (mail-southcentralusazon11022085.outbound.protection.outlook.com [40.93.195.85]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2FAD318950D; 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charset="utf-8" Add below gpio line names to io expanders for more platform features. - ext-vref-sel - presence-hdd-bp5-n - presence-hdd-bp6-n - bmc-ocp0-en-n - bmc-ocp1-en-n - bmc-riser-en-n - gpi0, gpi1 Signed-off-by: Chanh Nguyen --- arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtmitchell.dts | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtmitchell.dts b/ar= ch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtmitchell.dts index da181f9ae820..2b336aa0146d 100644 --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtmitchell.dts +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtmitchell.dts @@ -677,6 +677,12 @@ gpio@77 { #size-cells =3D <0>; #gpio-cells =3D <2>; =20 + gpio-line-names =3D + "ext-vref-sel","","presence-hdd-bp5-n","presence-hdd-bp6-n", + "","bmc-riser-en-n","bmc-ocp1-en-n","bmc-ocp0-en-n", + "","","","", + "","","",""; + bmc-ocp0-en-hog { gpio-hog; gpios =3D <7 GPIO_ACTIVE_LOW>; @@ -968,7 +974,7 @@ gpio_expander1: gpio-expander@22 { "fan-fault","psu-fault", "","", "","", - "","", + "gpi0","gpi1", "","", "","", "","", --=20 2.43.0