diff options
Diffstat (limited to 'doc/device-tree-bindings/spi/spi-bus.txt')
| -rw-r--r-- | doc/device-tree-bindings/spi/spi-bus.txt | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/doc/device-tree-bindings/spi/spi-bus.txt b/doc/device-tree-bindings/spi/spi-bus.txt index 420ec9529f..e57897ac0c 100644 --- a/doc/device-tree-bindings/spi/spi-bus.txt +++ b/doc/device-tree-bindings/spi/spi-bus.txt @@ -8,10 +8,10 @@ in slave mode. The SPI master node requires the following properties: - #address-cells - number of cells required to define a chip select - address on the SPI bus. + address on the SPI bus. - #size-cells - should be zero. - compatible - name of SPI bus controller following generic names - recommended practice. + recommended practice. - cs-gpios - (optional) gpios chip select. No other properties are required in the SPI bus node. It is assumed that a driver for an SPI bus device will understand that it is an SPI bus. @@ -45,16 +45,16 @@ SPI slave nodes must be children of the SPI master node and can contain the following properties. - reg - (required) chip select address of device. - compatible - (required) name of SPI device following generic names - recommended practice + recommended practice - spi-max-frequency - (required) Maximum SPI clocking speed of device in Hz - spi-cpol - (optional) Empty property indicating device requires - inverse clock polarity (CPOL) mode + inverse clock polarity (CPOL) mode - spi-cpha - (optional) Empty property indicating device requires - shifted clock phase (CPHA) mode + shifted clock phase (CPHA) mode - spi-cs-high - (optional) Empty property indicating device requires - chip select active high + chip select active high - spi-3wire - (optional) Empty property indicating device requires - 3-wire mode. + 3-wire mode. - spi-tx-bus-width - (optional) The bus width(number of data wires) that used for MOSI. Defaults to 1 if not present. - spi-rx-bus-width - (optional) The bus width(number of data wires) that |