[POWERPC] fsl_spi: stop using device_type = "spi"

Also:
- rename "fsl_spi" to "fsl,spi";
- add and use cell-index property, if found;
- split probing code out of fsl_spi_init, thus we can call
  it for legacy device_type probing and new "compatible" probing.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

1 files changed, 4 insertions, 4 deletions

diff --git a/Documentation/powerpc/booting-without-of.txt b/Documentation/powerpc/booting-without-of.txt
index 470cbc0cfceb..b5e46efeba84 100644
--- a/Documentation/powerpc/booting-without-of.txt
+++ b/Documentation/powerpc/booting-without-of.txt
@@ -1568,8 +1568,8 @@ platforms are moved over to use the flattened-device-tree model.
    ii) SPI (Serial Peripheral Interface)
 
    Required properties:
-   - device_type : should be "spi".
-   - compatible : should be "fsl_spi".
+   - cell-index : SPI controller index.
+   - compatible : should be "fsl,spi".
    - mode : the SPI operation mode, it can be "cpu" or "cpu-qe".
    - reg : Offset and length of the register set for the device
    - interrupts : <a b> where a is the interrupt number and b is a
@@ -1582,8 +1582,8 @@ platforms are moved over to use the flattened-device-tree model.
 
    Example:
 	spi@4c0 {
-		device_type = "spi";
-		compatible = "fsl_spi";
+		cell-index = <0>;
+		compatible = "fsl,spi";
 		reg = <4c0 40>;
 		interrupts = <82 0>;
 		interrupt-parent = <700>;