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spi: imx: Update DT binding documentation

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Mark "fsl,spi-num-chipselects" property as obsolete.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Alexander Shiyan 2016-06-08 20:02:09 +03:00 committed by Mark Brown
parent f989bc6958
commit 956fff7189
1 changed files with 3 additions and 2 deletions
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5
Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt
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@ -11,7 +11,6 @@ Required properties:
- "fsl,imx51-ecspi" for SPI compatible with the one integrated on i.MX51
- reg : Offset and length of the register set for the device
- interrupts : Should contain CSPI/eCSPI interrupt
- fsl,spi-num-chipselects : Contains the number of the chipselect
- cs-gpios : Specifies the gpio pins to be used for chipselects.
- clocks : Clock specifiers for both ipg and per clocks.
- clock-names : Clock names should include both "ipg" and "per"
@ -21,6 +20,9 @@ See the clock consumer binding,
Documentation/devicetree/bindings/dma/dma.txt
- dma-names: DMA request names should include "tx" and "rx" if present.
Obsolete properties:
- fsl,spi-num-chipselects : Contains the number of the chipselect
Example:
ecspi@70010000 {
@ -29,7 +31,6 @@ ecspi@70010000 {
compatible = "fsl,imx51-ecspi";
reg = <0x70010000 0x4000>;
interrupts = <36>;
fsl,spi-num-chipselects = <2>;
cs-gpios = <&gpio3 24 0>, /* GPIO3_24 */
<&gpio3 25 0>; /* GPIO3_25 */
dmas = <&sdma 3 7 1>, <&sdma 4 7 2>;