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ARM: dts: at91: sama5d2: Add DMA bindings for the flx1 I2C function 

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>
Link: https://lore.kernel.org/r/20200514050301.147442-11-tudor.ambarus@microchip.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
alistair/sunxi64-5.8
Tudor Ambarus 2020-05-14 05:03:13 +00:00 committed by Alexandre Belloni
parent b793f16617
commit 1a6508a2ed
2 changed files with 9 additions and 1 deletions
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1
arch/arm/boot/dts/at91-sama5d27_som1_ek.dts
View File

@ -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>;

9
arch/arm/boot/dts/sama5d2.dtsi
View File

@ -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";
};