From: Tudor Ambarus Date: Thu, 14 May 2020 05:03:12 +0000 (+0000) Subject: ARM: dts: at91: sama5d2: Add DMA bindings for the flx3 SPI function X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=b793f1661777dddbd8f99554c24df247906c29bc;p=linux.git 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 Link: https://lore.kernel.org/r/20200514050301.147442-10-tudor.ambarus@microchip.com Signed-off-by: Alexandre Belloni --- diff --git a/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts b/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts index 6ad66d034305b..1aa8b79d618b5 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 4a01ab8e7e704..559d8ae93af9a 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 66aa8d6502d32..5a0162915ae78 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"; };