8528547bcc
NVIDIA's Tegra20 have the SPI (SFLASH) controller to interface with spi flash device which is used for system boot. Add the spi driver for this controller. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Acked-by: Stephen Warren <swarren@nvidia.com> Tested-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
26 lines
732 B
Text
26 lines
732 B
Text
NVIDIA Tegra20 SFLASH controller.
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Required properties:
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- compatible : should be "nvidia,tegra20-sflash".
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- reg: Should contain SFLASH registers location and length.
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- interrupts: Should contain SFLASH interrupts.
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- nvidia,dma-request-selector : The Tegra DMA controller's phandle and
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request selector for this SFLASH controller.
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Recommended properties:
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- spi-max-frequency: Definition as per
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Documentation/devicetree/bindings/spi/spi-bus.txt
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Example:
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spi@7000d600 {
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compatible = "nvidia,tegra20-sflash";
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reg = <0x7000c380 0x80>;
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interrupts = <0 39 0x04>;
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nvidia,dma-request-selector = <&apbdma 16>;
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spi-max-frequency = <25000000>;
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#address-cells = <1>;
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#size-cells = <0>;
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status = "disabled";
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};
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