1 files changed, 14 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/spi/spi-samsung.txt b/Documentation/devicetree/bindings/spi/spi-samsung.txt
index 6dbdeb3c3..49028a4f5 100644
--- a/Documentation/devicetree/bindings/spi/spi-samsung.txt
+++ b/Documentation/devicetree/bindings/spi/spi-samsung.txt
@@ -9,7 +9,8 @@ Required SoC Specific Properties:
     - samsung,s3c2443-spi: for s3c2443, s3c2416 and s3c2450 platforms
     - samsung,s3c6410-spi: for s3c6410 platforms
     - samsung,s5pv210-spi: for s5pv210 and s5pc110 platforms
-    - samsung,exynos7-spi: for exynos7 platforms
+    - samsung,exynos5433-spi: for exynos5433 compatible controllers
+    - samsung,exynos7-spi: for exynos7 platforms <DEPRECATED>
 
 - reg: physical base address of the controller and length of memory mapped
   region.
@@ -23,6 +24,15 @@ Required SoC Specific Properties:
 - dma-names: Names for the dma channels. There must be at least one channel
   named "tx" for transmit and named "rx" for receive.
 
+- clocks: specifies the clock IDs provided to the SPI controller; they are
+  required for interacting with the controller itself, for synchronizing the bus
+  and as I/O clock (the latter is required by exynos5433 and exynos7).
+
+- clock-names: string names of the clocks in the 'clocks' property; for all the
+  the devices the names must be "spi", "spi_busclkN" (where N is determined by
+  "samsung,spi-src-clk"), while Exynos5433 should specify a third clock
+  "spi_ioclk" for the I/O clock.
+
 Required Board Specific Properties:
 
 - #address-cells: should be 1.
@@ -40,6 +50,9 @@ Optional Board Specific Properties:
 
 - cs-gpios: should specify GPIOs used for chipselects (see spi-bus.txt)
 
+- no-cs-readback: the CS line is disconnected, therefore the device should not
+  operate based on CS signalling.
+
 SPI Controller specific data in SPI slave nodes:
 
 - The spi slave nodes should provide the following information which is required