spi: imx: Update DT binding documentation

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>

diff --git a/Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt b/Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt
index 523341a0e1131a3e7b51878632b4040fb3a428c9..8bc95e2fc47fadf7eb75d215494f48af45107922 100644 (file)
--- a/Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt
+++ b/Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt
@@ -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>;