Commit 4be5375b authored by Manikandan Muralidharan's avatar Manikandan Muralidharan Committed by Claudiu Beznea
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ARM: dts: at91: sam9x60: Add DMA bindings for the flexcom nodes 



Add dma bindings for flexcom nodes in the soc dtsi file. Users those who
don't wish to use the DMA function for their flexcom functions can
overwrite the dma bindings in the board device tree file.

Signed-off-by: default avatarManikandan Muralidharan <manikandan.m@microchip.com>
[durai.manickamkr@microchip.com: fixed code indentation and updated commit log]
Signed-off-by: default avatarDurai Manickam KR <durai.manickamkr@microchip.com>
Reviewed-by: default avatarClaudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: default avatarClaudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20230207110651.197268-6-durai.manickamkr@microchip.com
parent bfbde8f7

arch/arm/boot/dts/at91-sam9x60ek.dts

+3 −0
Original line number Diff line number Diff line
@@ -209,6 +209,7 @@ 
	i2c0: i2c@600 {

		#address-cells = <1>;

		#size-cells = <0>;

		dmas = <0>, <0>;

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_flx0_default>;

		i2c-analog-filter;
@@ -230,6 +231,7 @@ 
	status = "disabled";



	spi4: spi@400 {

		dmas = <0>, <0>;

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_flx4_default>;

		status = "disabled";
@@ -254,6 +256,7 @@ 
	i2c6: i2c@600 {

		#address-cells = <1>;

		#size-cells = <0>;

		dmas = <0>, <0>;

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_flx6_default>;

		i2c-analog-filter;

arch/arm/boot/dts/sam9x60.dtsi

+27 −0
Original line number Diff line number Diff line
@@ -177,6 +177,15 @@ 
					interrupts = <13 IRQ_TYPE_LEVEL_HIGH 7>;

					clocks = <&pmc PMC_TYPE_PERIPHERAL 13>;

					clock-names = "spi_clk";

					dmas = <&dma0

						(AT91_XDMAC_DT_MEM_IF(0) |

						 AT91_XDMAC_DT_PER_IF(1) |

						 AT91_XDMAC_DT_PERID(8))>,

						<&dma0

						(AT91_XDMAC_DT_MEM_IF(0) |

						 AT91_XDMAC_DT_PER_IF(1) |

						 AT91_XDMAC_DT_PERID(9))>;

					dma-names = "tx", "rx";

					atmel,fifo-size = <16>;

					status = "disabled";

				};
@@ -417,6 +426,15 @@ 
					reg = <0x600 0x200>;

					interrupts = <9 IRQ_TYPE_LEVEL_HIGH 7>;

					clocks = <&pmc PMC_TYPE_PERIPHERAL 9>;

					dmas = <&dma0

						(AT91_XDMAC_DT_MEM_IF(0) |

						 AT91_XDMAC_DT_PER_IF(1) |

						 AT91_XDMAC_DT_PERID(12))>,

						<&dma0

						(AT91_XDMAC_DT_MEM_IF(0) |

						 AT91_XDMAC_DT_PER_IF(1) |

						 AT91_XDMAC_DT_PERID(13))>;

					dma-names = "tx", "rx";

					atmel,fifo-size = <16>;

					status = "disabled";

				};
@@ -456,6 +474,15 @@ 
					reg = <0x600 0x200>;

					interrupts = <5 IRQ_TYPE_LEVEL_HIGH 7>;

					clocks = <&pmc PMC_TYPE_PERIPHERAL 5>;

					dmas = <&dma0

						(AT91_XDMAC_DT_MEM_IF(0) |

						 AT91_XDMAC_DT_PER_IF(1) |

						 AT91_XDMAC_DT_PERID(0))>,

						<&dma0

						(AT91_XDMAC_DT_MEM_IF(0) |

						 AT91_XDMAC_DT_PER_IF(1) |

						 AT91_XDMAC_DT_PERID(1))>;

					dma-names = "tx", "rx";

					atmel,fifo-size = <16>;

					status = "disabled";

				};