linux-kernel - [PATCH 5/5] arm64: dts: st: enable i2c analog-filter in stm32mp231.dtsi

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Message-ID: <20251215-stm32-i2c-mp2x-dt-updates-v1-5-2738a05a7af8@foss.st.com>
Date: Mon, 15 Dec 2025 13:19:44 +0100
From: Alain Volmat <alain.volmat@...s.st.com>
To: Andi Shyti <andi.shyti@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue
	<alexandre.torgue@...s.st.com>,
        Pierre-Yves MORDRET
	<pierre-yves.mordret@...s.st.com>
CC: <linux-i2c@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        "Alain Volmat" <alain.volmat@...s.st.com>
Subject: [PATCH 5/5] arm64: dts: st: enable i2c analog-filter in
 stm32mp231.dtsi

By default enable the analog filter on all i2c instances on
the stm32mp23x series.

Signed-off-by: Alain Volmat <alain.volmat@...s.st.com>
---
 arch/arm64/boot/dts/st/stm32mp231.dtsi | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm64/boot/dts/st/stm32mp231.dtsi b/arch/arm64/boot/dts/st/stm32mp231.dtsi
index 3d2a71e0341f..65c0a0de4141 100644
--- a/arch/arm64/boot/dts/st/stm32mp231.dtsi
+++ b/arch/arm64/boot/dts/st/stm32mp231.dtsi
@@ -360,6 +360,7 @@ i2c1: i2c@...20000 {
 				dma-names = "rx", "tx";
 				access-controllers = <&rifsc 41>;
 				power-domains = <&cluster_pd>;
+				i2c-analog-filter;
 				status = "disabled";
 			};
 
@@ -377,6 +378,7 @@ i2c2: i2c@...30000 {
 				dma-names = "rx", "tx";
 				access-controllers = <&rifsc 42>;
 				power-domains = <&cluster_pd>;
+				i2c-analog-filter;
 				status = "disabled";
 			};
 
@@ -394,6 +396,7 @@ i2c7: i2c@...80000 {
 				dma-names = "rx", "tx";
 				access-controllers = <&rifsc 47>;
 				power-domains = <&cluster_pd>;
+				i2c-analog-filter;
 				status = "disabled";
 			};
 
@@ -668,6 +671,7 @@ i2c8: i2c@...40000 {
 				dma-names = "rx", "tx";
 				access-controllers = <&rifsc 48>;
 				power-domains = <&cluster_pd>;
+				i2c-analog-filter;
 				status = "disabled";
 			};
 

-- 
2.34.1