[PATCH 8/9] arm64: dts: st: describe i2c2 / i2c8 on stm32mp257f-dk

Alain Volmat alain.volmat at foss.st.com
Tue Feb 24 07:48:11 PST 2026


Add nodes for i2c2 and i2c8 available on stm32mp257f-dk board.

Signed-off-by: Alain Volmat <alain.volmat at foss.st.com>
---
 arch/arm64/boot/dts/st/stm32mp257f-dk.dts | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/arch/arm64/boot/dts/st/stm32mp257f-dk.dts b/arch/arm64/boot/dts/st/stm32mp257f-dk.dts
index 4135e7c0d9a3..220d977e9aa9 100644
--- a/arch/arm64/boot/dts/st/stm32mp257f-dk.dts
+++ b/arch/arm64/boot/dts/st/stm32mp257f-dk.dts
@@ -124,6 +124,32 @@ phy1_eth1: ethernet-phy at 1 {
 	};
 };
 
+&i2c2 {
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&i2c2_pins_b>;
+	pinctrl-1 = <&i2c2_sleep_pins_b>;
+	i2c-scl-rising-time-ns = <108>;
+	i2c-scl-falling-time-ns = <12>;
+	clock-frequency = <400000>;
+	status = "okay";
+	/* spare dmas for other usage */
+	/delete-property/dmas;
+	/delete-property/dma-names;
+};
+
+&i2c8 {
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&i2c8_pins_a>;
+	pinctrl-1 = <&i2c8_sleep_pins_a>;
+	i2c-scl-rising-time-ns = <185>;
+	i2c-scl-falling-time-ns = <20>;
+	clock-frequency = <100000>;
+	status = "disabled";
+	/* spare dmas for other usage */
+	/delete-property/dmas;
+	/delete-property/dma-names;
+};
+
 &scmi_regu {
 	scmi_vddio1: regulator at 0 {
 		regulator-min-microvolt = <1800000>;

-- 
2.34.1




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