Bindings/spi/spi-sprd.txt

   1 Spreadtrum SPI Controller
   2
   3 Required properties:
   4 - compatible: Should be "sprd,sc9860-spi".
   5 - reg: Offset and length of SPI controller register space.
   6 - interrupts: Should contain SPI interrupt.
   7 - clock-names: Should contain following entries:
   8         "spi" for SPI clock,
   9         "source" for SPI source (parent) clock,
  10         "enable" for SPI module enable clock.
  11 - clocks: List of clock input name strings sorted in the same order
  12         as the clock-names property.
  13 - #address-cells: The number of cells required to define a chip select
  14         address on the SPI bus. Should be set to 1.
  15 - #size-cells: Should be set to 0.
  16
  17 Optional properties:
  18 dma-names: Should contain names of the SPI used DMA channel.
  19 dmas: Should contain DMA channels and DMA slave ids which the SPI used
  20         sorted in the same order as the dma-names property.
  21
  22 Example:
  23 spi0: spi@70a00000{
  24         compatible = "sprd,sc9860-spi";
  25         reg = <0 0x70a00000 0 0x1000>;
  26         interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
  27         clock-names = "spi", "source","enable";
  28         clocks = <&clk_spi0>, <&ext_26m>, <&clk_ap_apb_gates 5>;
  29         dma-names = "rx_chn", "tx_chn";
  30         dmas = <&apdma 11 11>, <&apdma 12 12>;
  31         #address-cells = <1>;
  32         #size-cells = <0>;
  33 };