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Diffstat (limited to 'Documentation/devicetree/bindings/fpga/lattice-ice40-fpga-mgr.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/fpga/lattice-ice40-fpga-mgr.txt | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/Documentation/devicetree/bindings/fpga/lattice-ice40-fpga-mgr.txt b/Documentation/devicetree/bindings/fpga/lattice-ice40-fpga-mgr.txt deleted file mode 100644 index 4dc412437b08..000000000000 --- a/Documentation/devicetree/bindings/fpga/lattice-ice40-fpga-mgr.txt +++ /dev/null @@ -1,21 +0,0 @@ -Lattice iCE40 FPGA Manager - -Required properties: -- compatible: Should contain "lattice,ice40-fpga-mgr" -- reg: SPI chip select -- spi-max-frequency: Maximum SPI frequency (>=1000000, <=25000000) -- cdone-gpios: GPIO input connected to CDONE pin -- reset-gpios: Active-low GPIO output connected to CRESET_B pin. Note - that unless the GPIO is held low during startup, the - FPGA will enter Master SPI mode and drive SCK with a - clock signal potentially jamming other devices on the - bus until the firmware is loaded. - -Example: - fpga: fpga@0 { - compatible = "lattice,ice40-fpga-mgr"; - reg = <0>; - spi-max-frequency = <1000000>; - cdone-gpios = <&gpio 24 GPIO_ACTIVE_HIGH>; - reset-gpios = <&gpio 22 GPIO_ACTIVE_LOW>; - }; |
