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[195.167.45.78]) by smtp.googlemail.com with ESMTPSA id 5b1f17b1804b1-49ff43ad975sm14424155e9.13.2026.09.24.23.54.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 24 Sep 2026 23:54:21 -0700 (PDT) From: Peter Robinson To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Florian Fainelli , Broadcom internal kernel review list , devicetree@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org Cc: Peter Robinson Subject: [PATCH] arm: dts: bcm2711: Add emc2301 to the CM4 IO board Date: Fri, 25 Sep 2026 07:54:10 +0100 Message-ID: <20260925065418.2248731-1-pbrobinson@gmail.com> X-Mailer: git-send-email 2.55.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260924_235424_231766_47BA4F3B X-CRM114-Status: GOOD ( 11.55 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The CM4 IO carrier board has a emc2301 fan controller. Add it so it can be used on the CM4 board. Signed-off-by: Peter Robinson --- arch/arm/boot/dts/broadcom/bcm2711-rpi-cm4-io.dts | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/arch/arm/boot/dts/broadcom/bcm2711-rpi-cm4-io.dts b/arch/arm/boot/dts/broadcom/bcm2711-rpi-cm4-io.dts index 8e45de01d2ad1..4f81fbdb85b56 100644 --- a/arch/arm/boot/dts/broadcom/bcm2711-rpi-cm4-io.dts +++ b/arch/arm/boot/dts/broadcom/bcm2711-rpi-cm4-io.dts @@ -107,6 +107,20 @@ &genet { }; &i2c0_1 { + emc2301: fan-controller@2f { + compatible = "microchip,emc2301", "microchip,emc2305"; + reg = <0x2f>; + #address-cells = <1>; + #size-cells = <0>; + #pwm-cells = <3>; + + fan@0 { + reg = <0x0>; + pwms = <&emc2301 26000 0 1>; + #cooling-cells = <2>; + }; + }; + pcf85063: rtc@51 { /* Attention: An alarm resets the machine */ compatible = "nxp,pcf85063a"; -- 2.55.0