Commit ddcdaeb8 authored by Tudor Ambarus's avatar Tudor Ambarus Committed by Alexandre Belloni
Browse files

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: default avatarTudor Ambarus <tudor.ambarus@microchip.com>
Link: https://lore.kernel.org/r/20200514050301.147442-9-tudor.ambarus@microchip.com


Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@bootlin.com>
parent 4b098033

arch/arm/boot/dts/at91-sama5d27_som1_ek.dts

+2 −0
Original line number Diff line number Diff line
@@ -190,12 +190,14 @@ 
				status = "okay";



				uart9: serial@200 {

					dmas = <0>, <0>;

					pinctrl-names = "default";

					pinctrl-0 = <&pinctrl_flx4_default>;

					status = "disabled"; /* Conflict with spi6 and i2c6. */

				};



				spi6: spi@400 {

					dmas = <0>, <0>;

					pinctrl-names = "default";

					pinctrl-0 = <&pinctrl_mikrobus_spi &pinctrl_mikrobus1_spi_cs &pinctrl_mikrobus2_spi_cs>;

					status = "okay"; /* Conflict with uart5 and i2c6. */

arch/arm/boot/dts/sama5d2.dtsi

+18 −0
Original line number Diff line number Diff line
@@ -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";

				};