From dcc792919ceef80b5ab7c328dde6deff7ebe0cc3 Mon Sep 17 00:00:00 2001 From: Alain Volmat Date: Tue, 24 Feb 2026 16:48:10 +0100 Subject: [PATCH] arm64: dts: st: disable DMA usage for i2c on stm32mp257f-ev1 Keep DMA resources available by avoiding usage of DMA for i2c transfers on stm32mp257f-ev1 board. Signed-off-by: Alain Volmat Link: https://lore.kernel.org/r/20260224-stm32-i2c-dt-updates-v1-7-347cf6fca7d1@foss.st.com Signed-off-by: Alexandre Torgue --- arch/arm64/boot/dts/st/stm32mp257f-ev1.dts | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts b/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts index 852a73b0c516e..14e033f365e39 100644 --- a/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts +++ b/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts @@ -261,6 +261,9 @@ i2c-scl-falling-time-ns = <13>; clock-frequency = <400000>; status = "okay"; + /* spare dmas for other usage */ + /delete-property/dmas; + /delete-property/dma-names; imx335: camera@1a { compatible = "sony,imx335"; @@ -299,6 +302,9 @@ i2c-scl-falling-time-ns = <7>; clock-frequency = <400000>; status = "disabled"; + /* spare dmas for other usage */ + /delete-property/dmas; + /delete-property/dma-names; }; &ommanager { -- 2.47.3