[PATCH 1/3] arm: dts: a10: Correct i2c scl falling time

dinesh.maniyam at altera.com dinesh.maniyam at altera.com
Wed Apr 29 07:11:16 CEST 2026


From: Dinesh Maniyam <dinesh.maniyam at altera.com>

The value set for i2c-scl-falling-time-ns in Linux DTS is not
compatible for the i2c driver in U-Boot. The value is updated
to the max value specified in the HW spec.

Signed-off-by: Tien Fong Chee <tien.fong.chee at altera.com>
Signed-off-by: Dinesh Maniyam <dinesh.maniyam at altera.com>
---
 arch/arm/dts/socfpga_arria10_socdk-u-boot.dtsi | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm/dts/socfpga_arria10_socdk-u-boot.dtsi b/arch/arm/dts/socfpga_arria10_socdk-u-boot.dtsi
index 56d50ecee30..4857939ce1a 100644
--- a/arch/arm/dts/socfpga_arria10_socdk-u-boot.dtsi
+++ b/arch/arm/dts/socfpga_arria10_socdk-u-boot.dtsi
@@ -12,6 +12,11 @@
 	};
 };
 
+&i2c1 {
+	/* Max value set according to HW spec */
+	i2c-scl-falling-time-ns = <300>;
+};
+
 &uart1 {
 	bootph-all;
 };
-- 
2.43.7



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