diff options
| author | Tudor Ambarus <tudor.ambarus@microchip.com> | 2020-05-14 08:03:12 +0300 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2020-05-15 17:50:33 +0300 |
| commit | b793f1661777dddbd8f99554c24df247906c29bc (patch) | |
| tree | d98c449879738dff365b380b5a71116354fa1ddb /arch/arm/boot/dts | |
| parent | ddcdaeb88242ca9b2a3ded2c6cb1d664e0ce24a3 (diff) | |
| download | linux-b793f1661777dddbd8f99554c24df247906c29bc.tar.xz | |
ARM: dts: at91: sama5d2: Add DMA bindings for the flx3 SPI function
Spare boards of duplicating the DMA bindings. Describe the flx3
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/20200514050301.147442-10-tudor.ambarus@microchip.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'arch/arm/boot/dts')
| -rw-r--r-- | arch/arm/boot/dts/at91-sama5d27_som1_ek.dts | 1 | ||||
| -rw-r--r-- | arch/arm/boot/dts/at91-sama5d2_icp.dts | 1 | ||||
| -rw-r--r-- | arch/arm/boot/dts/sama5d2.dtsi | 9 |
3 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts b/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts index 6ad66d034305..1aa8b79d618b 100644 --- a/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts +++ b/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts @@ -179,6 +179,7 @@ }; spi5: spi@400 { + dmas = <0>, <0>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_flx3_default>; status = "disabled"; /* Conflict with isc. */ diff --git a/arch/arm/boot/dts/at91-sama5d2_icp.dts b/arch/arm/boot/dts/at91-sama5d2_icp.dts index 4a01ab8e7e70..559d8ae93af9 100644 --- a/arch/arm/boot/dts/at91-sama5d2_icp.dts +++ b/arch/arm/boot/dts/at91-sama5d2_icp.dts @@ -167,6 +167,7 @@ status = "okay"; spi5: spi@400 { + dmas = <0>, <0>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_mikrobus1_spi &pinctrl_mikrobus1_spi_cs>; status = "okay"; diff --git a/arch/arm/boot/dts/sama5d2.dtsi b/arch/arm/boot/dts/sama5d2.dtsi index 66aa8d6502d3..5a0162915ae7 100644 --- a/arch/arm/boot/dts/sama5d2.dtsi +++ b/arch/arm/boot/dts/sama5d2.dtsi @@ -919,6 +919,15 @@ interrupts = <22 IRQ_TYPE_LEVEL_HIGH 7>; clocks = <&pmc PMC_TYPE_PERIPHERAL 22>; clock-names = "spi_clk"; + dmas = <&dma0 + (AT91_XDMAC_DT_MEM_IF(0) | + AT91_XDMAC_DT_PER_IF(1) | + AT91_XDMAC_DT_PERID(17))>, + <&dma0 + (AT91_XDMAC_DT_MEM_IF(0) | + AT91_XDMAC_DT_PER_IF(1) | + AT91_XDMAC_DT_PERID(18))>; + dma-names = "tx", "rx"; atmel,fifo-size = <16>; status = "disabled"; }; |