diff options
Diffstat (limited to 'kernel/Documentation/devicetree/bindings/spi/spi_atmel.txt')
| -rw-r--r-- | kernel/Documentation/devicetree/bindings/spi/spi_atmel.txt | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/kernel/Documentation/devicetree/bindings/spi/spi_atmel.txt b/kernel/Documentation/devicetree/bindings/spi/spi_atmel.txt new file mode 100644 index 000000000..4f8184d06 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/spi/spi_atmel.txt @@ -0,0 +1,31 @@ +Atmel SPI device + +Required properties: +- compatible : should be "atmel,at91rm9200-spi". +- reg: Address and length of the register set for the device +- interrupts: Should contain spi interrupt +- cs-gpios: chipselects +- clock-names: tuple listing input clock names. + Required elements: "spi_clk" +- clocks: phandles to input clocks. + +Example: + +spi1: spi@fffcc000 { + compatible = "atmel,at91rm9200-spi"; + reg = <0xfffcc000 0x4000>; + interrupts = <13 4 5>; + #address-cells = <1>; + #size-cells = <0>; + clocks = <&spi1_clk>; + clock-names = "spi_clk"; + cs-gpios = <&pioB 3 0>; + status = "okay"; + + mmc-slot@0 { + compatible = "mmc-spi-slot"; + reg = <0>; + gpios = <&pioC 4 0>; /* CD */ + spi-max-frequency = <25000000>; + }; +}; |