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| author | Alain Volmat <alain.volmat@foss.st.com> | 2026-02-24 18:48:10 +0300 |
|---|---|---|
| committer | Alexandre Torgue <alexandre.torgue@foss.st.com> | 2026-03-25 19:37:46 +0300 |
| commit | dcc792919ceef80b5ab7c328dde6deff7ebe0cc3 (patch) | |
| tree | a6005c0597ae8e9b8adae9d548ec33ef8a39b3be | |
| parent | 7268a782a19d7ab3c146fd39026ee0d4a933866a (diff) | |
| download | linux-dcc792919ceef80b5ab7c328dde6deff7ebe0cc3.tar.xz | |
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 <alain.volmat@foss.st.com>
Link: https://lore.kernel.org/r/20260224-stm32-i2c-dt-updates-v1-7-347cf6fca7d1@foss.st.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
| -rw-r--r-- | arch/arm64/boot/dts/st/stm32mp257f-ev1.dts | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts b/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts index 852a73b0c516..14e033f365e3 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 { |