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Commit 2f5a913e authored by Stephen Warren's avatar Stephen Warren
Browse files

ARM: tegra: add APB DMA controller to Tegra124 DT 



Instantiate the APB DMA controller in the Tegra124 DT, and add all
DMA-related properties to other DT nodes that rely on (reference) the
DMA controller's node.

Signed-off-by: default avatarStephen Warren <swarren@nvidia.com>
Reviewed-by: default avatarThierry Reding <treding@nvidia.com>
parent f71e4f03

arch/arm/boot/dts/tegra124.dtsi

+51 −0
Original line number Diff line number Diff line
@@ -56,6 +56,47 @@ 
		interrupt-controller;

	};



	apbdma: dma@60020000 {

		compatible = "nvidia,tegra124-apbdma", "nvidia,tegra148-apbdma";

		reg = <0x60020000 0x1400>;

		interrupts = <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH>,

			     <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>,

			     <GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH>,

			     <GIC_SPI 107 IRQ_TYPE_LEVEL_HIGH>,

			     <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>,

			     <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>,

			     <GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>,

			     <GIC_SPI 111 IRQ_TYPE_LEVEL_HIGH>,

			     <GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>,

			     <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>,

			     <GIC_SPI 114 IRQ_TYPE_LEVEL_HIGH>,

			     <GIC_SPI 115 IRQ_TYPE_LEVEL_HIGH>,

			     <GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH>,

			     <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>,

			     <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>,

			     <GIC_SPI 119 IRQ_TYPE_LEVEL_HIGH>,

			     <GIC_SPI 128 IRQ_TYPE_LEVEL_HIGH>,

			     <GIC_SPI 129 IRQ_TYPE_LEVEL_HIGH>,

			     <GIC_SPI 130 IRQ_TYPE_LEVEL_HIGH>,

			     <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>,

			     <GIC_SPI 132 IRQ_TYPE_LEVEL_HIGH>,

			     <GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>,

			     <GIC_SPI 134 IRQ_TYPE_LEVEL_HIGH>,

			     <GIC_SPI 135 IRQ_TYPE_LEVEL_HIGH>,

			     <GIC_SPI 136 IRQ_TYPE_LEVEL_HIGH>,

			     <GIC_SPI 137 IRQ_TYPE_LEVEL_HIGH>,

			     <GIC_SPI 138 IRQ_TYPE_LEVEL_HIGH>,

			     <GIC_SPI 139 IRQ_TYPE_LEVEL_HIGH>,

			     <GIC_SPI 140 IRQ_TYPE_LEVEL_HIGH>,

			     <GIC_SPI 141 IRQ_TYPE_LEVEL_HIGH>,

			     <GIC_SPI 142 IRQ_TYPE_LEVEL_HIGH>,

			     <GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>;

		clocks = <&tegra_car TEGRA124_CLK_APBDMA>;

		resets = <&tegra_car 34>;

		reset-names = "dma";

		#dma-cells = <1>;

	};



	/*

	 * There are two serial driver i.e. 8250 based simple serial

	 * driver and APB DMA based serial driver for higher baudrate
@@ -72,6 +113,8 @@ 
		clocks = <&tegra_car TEGRA124_CLK_UARTA>;

		resets = <&tegra_car 6>;

		reset-names = "serial";

		dmas = <&apbdma 8>, <&apbdma 8>;

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

		status = "disabled";

	};
@@ -83,6 +126,8 @@ 
		clocks = <&tegra_car TEGRA124_CLK_UARTB>;

		resets = <&tegra_car 7>;

		reset-names = "serial";

		dmas = <&apbdma 9>, <&apbdma 9>;

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

		status = "disabled";

	};
@@ -94,6 +139,8 @@ 
		clocks = <&tegra_car TEGRA124_CLK_UARTC>;

		resets = <&tegra_car 55>;

		reset-names = "serial";

		dmas = <&apbdma 10>, <&apbdma 10>;

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

		status = "disabled";

	};
@@ -105,6 +152,8 @@ 
		clocks = <&tegra_car TEGRA124_CLK_UARTD>;

		resets = <&tegra_car 65>;

		reset-names = "serial";

		dmas = <&apbdma 19>, <&apbdma 19>;

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

		status = "disabled";

	};
@@ -116,6 +165,8 @@ 
		clocks = <&tegra_car TEGRA124_CLK_UARTE>;

		resets = <&tegra_car 66>;

		reset-names = "serial";

		dmas = <&apbdma 20>, <&apbdma 20>;

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

		status = "disabled";

	};