From ddcdaeb88242ca9b2a3ded2c6cb1d664e0ce24a3 Mon Sep 17 00:00:00 2001 From: Tudor Ambarus Date: Thu, 14 May 2020 05:03:12 +0000 Subject: ARM: dts: at91: sama5d2: Add DMA bindings for the SPI and UART flx4 functions Spare boards of duplicating the DMA bindings. Describe the flx4 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 Link: https://lore.kernel.org/r/20200514050301.147442-9-tudor.ambarus@microchip.com Signed-off-by: Alexandre Belloni --- arch/arm/boot/dts/sama5d2.dtsi | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'arch/arm/boot/dts/sama5d2.dtsi') diff --git a/arch/arm/boot/dts/sama5d2.dtsi b/arch/arm/boot/dts/sama5d2.dtsi index dde969a140b4..66aa8d6502d3 100644 --- a/arch/arm/boot/dts/sama5d2.dtsi +++ b/arch/arm/boot/dts/sama5d2.dtsi @@ -939,6 +939,15 @@ interrupts = <23 IRQ_TYPE_LEVEL_HIGH 7>; clocks = <&pmc PMC_TYPE_PERIPHERAL 23>; clock-names = "usart"; + dmas = <&dma0 + (AT91_XDMAC_DT_MEM_IF(0) | + AT91_XDMAC_DT_PER_IF(1) | + AT91_XDMAC_DT_PERID(19))>, + <&dma0 + (AT91_XDMAC_DT_MEM_IF(0) | + AT91_XDMAC_DT_PER_IF(1) | + AT91_XDMAC_DT_PERID(20))>; + dma-names = "tx", "rx"; atmel,fifo-size = <32>; status = "disabled"; }; @@ -949,6 +958,15 @@ interrupts = <23 IRQ_TYPE_LEVEL_HIGH 7>; clocks = <&pmc PMC_TYPE_PERIPHERAL 23>; clock-names = "spi_clk"; + dmas = <&dma0 + (AT91_XDMAC_DT_MEM_IF(0) | + AT91_XDMAC_DT_PER_IF(1) | + AT91_XDMAC_DT_PERID(19))>, + <&dma0 + (AT91_XDMAC_DT_MEM_IF(0) | + AT91_XDMAC_DT_PER_IF(1) | + AT91_XDMAC_DT_PERID(20))>; + dma-names = "tx", "rx"; atmel,fifo-size = <16>; status = "disabled"; }; -- cgit