Messages in this thread Patch in this message | | | From | <> | Subject | [PATCH 10/16] ARM: dts: at91: sama5d2: Add DMA bindings for the flx1 I2C function | Date | Thu, 14 May 2020 05:03:13 +0000 |
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From: Tudor Ambarus <tudor.ambarus@microchip.com>
Spare boards of duplicating the DMA bindings. Describe the flx1 DMA bindings in the SoC dtsi. Users that don't want to use DMA for their flexcom functions have to overwrite the flexcom DMA bindings in their board device tree.
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com> --- arch/arm/boot/dts/at91-sama5d27_som1_ek.dts | 1 - arch/arm/boot/dts/sama5d2.dtsi | 9 +++++++++ 2 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts b/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts index 1aa8b79d618b..0e159f879c15 100644 --- a/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts +++ b/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts @@ -127,7 +127,6 @@ i2c3: i2c@600 { dmas = <0>, <0>; - dma-names = "tx", "rx"; i2c-analog-filter; i2c-digital-filter; i2c-digital-filter-width-ns = <35>; diff --git a/arch/arm/boot/dts/sama5d2.dtsi b/arch/arm/boot/dts/sama5d2.dtsi index 5a0162915ae7..855846c74a32 100644 --- a/arch/arm/boot/dts/sama5d2.dtsi +++ b/arch/arm/boot/dts/sama5d2.dtsi @@ -712,6 +712,15 @@ #address-cells = <1>; #size-cells = <0>; clocks = <&pmc PMC_TYPE_PERIPHERAL 20>; + dmas = <&dma0 + (AT91_XDMAC_DT_MEM_IF(0) | + AT91_XDMAC_DT_PER_IF(1) | + AT91_XDMAC_DT_PERID(13))>, + <&dma0 + (AT91_XDMAC_DT_MEM_IF(0) | + AT91_XDMAC_DT_PER_IF(1) | + AT91_XDMAC_DT_PERID(14))>; + dma-names = "tx", "rx"; atmel,fifo-size = <16>; status = "disabled"; }; -- 2.23.0
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