dts: cadence_spi: Update documentation for DT bindings

Update documentation to reflect adopting the Linux DT bindings.

Tested on TI K2G platform:
Tested-by: Vignesh R <vigneshr@ti.com>
Tested on a socfpga-cyclonev board:
Tested-by: Simon Goldschmidt <sgoldschmidt@de.pepperl-fuchs.com>
Signed-off-by: Jason Rush <jarush@gmail.com>
Reviewed-by: Jagan Teki <jagan@openedev.com>
Acked-by: Simon Goldschmidt <sgoldschmidt@de.pepperl-fuchs.com>
Acked-by: Marek Vasut <marex@denx.de>

diff --git a/doc/device-tree-bindings/spi/spi-cadence.txt b/doc/device-tree-bindings/spi/spi-cadence.txt
index c1e2233..74c8208 100644 (file)
--- a/doc/device-tree-bindings/spi/spi-cadence.txt
+++ b/doc/device-tree-bindings/spi/spi-cadence.txt
@@ -6,7 +6,10 @@ Required properties:
 - reg                  : 1.Physical base address and size of SPI registers map.
                          2. Physical base address & size of NOR Flash.
 - clocks               : Clock phandles (see clock bindings for details).
-- sram-size            : spi controller sram size.
+- cdns,fifo-depth      : Size of the data FIFO in words.
+- cdns,fifo-width      : Bus width of the data FIFO in bytes.
+- cdns,trigger-address : 32-bit indirect AHB trigger address.
+- cdns,is-decoded-cs   : Flag to indicate whether decoder is used or not.
 - status               : enable in requried dts.
 
 connected flash properties
@@ -15,14 +18,14 @@ connected flash properties
 - spi-max-frequency    : Max supported spi frequency.
 - page-size            : Flash page size.
 - block-size           : Flash memory block size.
-- tshsl-ns             : Added delay in master reference clocks (ref_clk) for
+- cdns,tshsl-ns                : Added delay in master reference clocks (ref_clk) for
                          the length that the master mode chip select outputs
                          are de-asserted between transactions.
-- tsd2d-ns             : Delay in master reference clocks (ref_clk) between one
+- cdns,tsd2d-ns                : Delay in master reference clocks (ref_clk) between one
                          chip select being de-activated and the activation of
                          another.
-- tchsh-ns             : Delay in master reference clocks between last bit of
+- cdns,tchsh-ns                : Delay in master reference clocks between last bit of
                          current transaction and de-asserting the device chip
                          select (n_ss_out).
-- tslch-ns             : Delay in master reference clocks between setting
+- cdns,tslch-ns                : Delay in master reference clocks between setting
                          n_ss_out low and first bit transfer