linux-kernel - [PATCH 4/5] arm64: dts: st: enable i2c analog-filter in stm32mp251.dtsi

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Message-ID: <20251215-stm32-i2c-mp2x-dt-updates-v1-4-2738a05a7af8@foss.st.com>
Date: Mon, 15 Dec 2025 13:19:43 +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 4/5] arm64: dts: st: enable i2c analog-filter in
 stm32mp251.dtsi

By default enable the analog filter on all i2c instances on
the stm32mp25x series.

Signed-off-by: Alain Volmat <alain.volmat@...s.st.com>
---
 arch/arm64/boot/dts/st/stm32mp251.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/st/stm32mp251.dtsi b/arch/arm64/boot/dts/st/stm32mp251.dtsi
index 4d5222698a16..a334e92cac4a 100644
--- a/arch/arm64/boot/dts/st/stm32mp251.dtsi
+++ b/arch/arm64/boot/dts/st/stm32mp251.dtsi
@@ -781,6 +781,7 @@ i2c1: i2c@...20000 {
 				dma-names = "rx", "tx";
 				access-controllers = <&rifsc 41>;
 				power-domains = <&CLUSTER_PD>;
+				i2c-analog-filter;
 				status = "disabled";
 			};
 
@@ -798,6 +799,7 @@ i2c2: i2c@...30000 {
 				dma-names = "rx", "tx";
 				access-controllers = <&rifsc 42>;
 				power-domains = <&CLUSTER_PD>;
+				i2c-analog-filter;
 				status = "disabled";
 			};
 
@@ -815,6 +817,7 @@ i2c3: i2c@...40000 {
 				dma-names = "rx", "tx";
 				access-controllers = <&rifsc 43>;
 				power-domains = <&CLUSTER_PD>;
+				i2c-analog-filter;
 				status = "disabled";
 			};
 
@@ -832,6 +835,7 @@ i2c4: i2c@...50000 {
 				dma-names = "rx", "tx";
 				access-controllers = <&rifsc 44>;
 				power-domains = <&CLUSTER_PD>;
+				i2c-analog-filter;
 				status = "disabled";
 			};
 
@@ -849,6 +853,7 @@ i2c5: i2c@...60000 {
 				dma-names = "rx", "tx";
 				access-controllers = <&rifsc 45>;
 				power-domains = <&CLUSTER_PD>;
+				i2c-analog-filter;
 				status = "disabled";
 			};
 
@@ -866,6 +871,7 @@ i2c6: i2c@...70000 {
 				dma-names = "rx", "tx";
 				access-controllers = <&rifsc 46>;
 				power-domains = <&CLUSTER_PD>;
+				i2c-analog-filter;
 				status = "disabled";
 			};
 
@@ -883,6 +889,7 @@ i2c7: i2c@...80000 {
 				dma-names = "rx", "tx";
 				access-controllers = <&rifsc 47>;
 				power-domains = <&CLUSTER_PD>;
+				i2c-analog-filter;
 				status = "disabled";
 			};
 
@@ -1468,6 +1475,7 @@ i2c8: i2c@...40000 {
 				dma-names = "rx", "tx";
 				access-controllers = <&rifsc 48>;
 				power-domains = <&CLUSTER_PD>;
+				i2c-analog-filter;
 				status = "disabled";
 			};
 

-- 
2.34.1