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Message-Id: <20230425065715.21871-3-chanh@os.amperecomputing.com>
Date: Tue, 25 Apr 2023 13:57:13 +0700
From: Chanh Nguyen <chanh@...amperecomputing.com>
To: OpenBMC Maillist <openbmc@...ts.ozlabs.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Joel Stanley <joel@....id.au>,
Andrew Jeffery <andrew@...id.au>, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Cc: Chanh Nguyen <chanh@...amperecomputing.com>
Subject: [PATCH 2/4] ARM: dts: aspeed: mtmitchell: Add I2C Fan
Add the MAX31790 node as a Fan I2C controller. It controls the
TACH and PWM for Fan Mt.Mitchell system.
Signed-off-by: Chanh Nguyen <chanh@...amperecomputing.com>
---
arch/arm/boot/dts/aspeed-bmc-ampere-mtmitchell.dts | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/arch/arm/boot/dts/aspeed-bmc-ampere-mtmitchell.dts b/arch/arm/boot/dts/aspeed-bmc-ampere-mtmitchell.dts
index e79f56208b89..6455cf80da0e 100644
--- a/arch/arm/boot/dts/aspeed-bmc-ampere-mtmitchell.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-ampere-mtmitchell.dts
@@ -477,6 +477,18 @@
line-name = "bmc-ocp0-en-n";
};
};
+
+ max31790@20 {
+ compatible = "maxim,max31790";
+ reg = <0x20>;
+ pwm-to-tach = <0 0 0 0 1 1>;
+ };
+
+ max31790@2f {
+ compatible = "maxim,max31790";
+ reg = <0x2f>;
+ pwm-to-tach = <0 0 0 0 1 1>;
+ };
};
&i2c9 {
--
2.17.1
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