From: Jason Rush Date: Tue, 23 Jan 2018 23:13:12 +0000 (-0600) Subject: dts: cadence_spi: Update documentation for DT bindings X-Git-Tag: v2018.03-rc1~97^2~5 X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=c58f300628b9037b9f3f82910a5c6b9590882c11;p=oweals%2Fu-boot.git 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 Tested on a socfpga-cyclonev board: Tested-by: Simon Goldschmidt Signed-off-by: Jason Rush Reviewed-by: Jagan Teki Acked-by: Simon Goldschmidt Acked-by: Marek Vasut --- diff --git a/doc/device-tree-bindings/spi/spi-cadence.txt b/doc/device-tree-bindings/spi/spi-cadence.txt index c1e2233d7c..74c82080fc 100644 --- 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