[PATCH] dt: spi: fsl-imx-cspi: add explicit compatible strings and required clock properties

[Matt Porter]

The fsl-imx-cspi binding contains language indicating compatible
strings to be used that is not valid for all supported parts
e.g. Should be "fsl,<soc>-cspi" or "fsl,<soc>-ecspi". Fix this
by enumerating the set of valid compatible strings.

The binding is also missing the clocks/clock-names properties
so document these and the two required ipg and per clocks.

Signed-off-by: Matt Porter <mporter@xxxxxxxxxxxx>
---
 Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt b/Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt
index aad527b..523341a 100644
--- a/Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt
+++ b/Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt
@@ -2,11 +2,21 @@
   (CSPI/eCSPI) for i.MX
 
 Required properties:
-- compatible : Should be "fsl,<soc>-cspi" or "fsl,<soc>-ecspi"
+- compatible :
+  - "fsl,imx1-cspi" for SPI compatible with the one integrated on i.MX1
+  - "fsl,imx21-cspi" for SPI compatible with the one integrated on i.MX21
+  - "fsl,imx27-cspi" for SPI compatible with the one integrated on i.MX27
+  - "fsl,imx31-cspi" for SPI compatible with the one integrated on i.MX31
+  - "fsl,imx35-cspi" for SPI compatible with the one integrated on i.MX35
+  - "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"
+See the clock consumer binding,
+	Documentation/devicetree/bindings/clock/clock-bindings.txt
 - dmas: DMA specifiers for tx and rx dma. See the DMA client binding,
 		Documentation/devicetree/bindings/dma/dma.txt
 - dma-names: DMA request names should include "tx" and "rx" if present.
-- 
1.8.4

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