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-rw-r--r--dts/Bindings/spi/efm32-spi.txt39
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diff --git a/dts/Bindings/spi/efm32-spi.txt b/dts/Bindings/spi/efm32-spi.txt
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--- a/dts/Bindings/spi/efm32-spi.txt
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-* Energy Micro EFM32 SPI
-
-Required properties:
-- #address-cells: see spi-bus.txt
-- #size-cells: see spi-bus.txt
-- compatible: should be "energymicro,efm32-spi"
-- reg: Offset and length of the register set for the controller
-- interrupts: pair specifying rx and tx irq
-- clocks: phandle to the spi clock
-- cs-gpios: see spi-bus.txt
-
-Recommended properties :
-- energymicro,location: Value to write to the ROUTE register's LOCATION
- bitfield to configure the pinmux for the device, see
- datasheet for values.
- If this property is not provided, keeping what is
- already configured in the hardware, so its either the
- reset default 0 or whatever the bootloader did.
-
-Example:
-
-spi1: spi@4000c400 { /* USART1 */
- #address-cells = <1>;
- #size-cells = <0>;
- compatible = "energymicro,efm32-spi";
- reg = <0x4000c400 0x400>;
- interrupts = <15 16>;
- clocks = <&cmu 20>;
- cs-gpios = <&gpio 51 1>; // D3
- energymicro,location = <1>;
-
- ks8851@0 {
- compatible = "ks8851";
- spi-max-frequency = <6000000>;
- reg = <0>;
- interrupt-parent = <&boardfpga>;
- interrupts = <4>;
- };
-};