dt-bindings: snps,dw-apb-ssi: add optional reset property

[mirror_ubuntu-jammy-kernel.git] / Documentation / devicetree / bindings / spi / snps,dw-apb-ssi.txt

diff --git a/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.txt b/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.txt
index 3ed08ee9feba40f48b35c3248720a12a91e7d34e..0f21407a7ea37a9b44b74ce22bc6dc302b2908f7 100644 (file)
--- a/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.txt
+++ b/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.txt
@@ -2,7 +2,8 @@ Synopsys DesignWare AMBA 2.0 Synchronous Serial Interface.
 
 Required properties:
 - compatible : "snps,dw-apb-ssi" or "mscc,<soc>-spi", where soc is "ocelot" or
-  "jaguar2", or "amazon,alpine-dw-apb-ssi"
+  "jaguar2", or "amazon,alpine-dw-apb-ssi", or "snps,dwc-ssi-1.01a" or
+  "intel,keembay-ssi"
 - reg : The register base for the controller. For "mscc,<soc>-spi", a second
   register set is required (named ICPU_CFG:SPI_MST)
 - interrupts : One interrupt, used by the controller.
@@ -22,6 +23,11 @@ Optional properties:
 - num-cs : The number of chipselects. If omitted, this will default to 4.
 - reg-io-width : The I/O register width (in bytes) implemented by this
   device.  Supported values are 2 or 4 (the default).
+- dmas : Phandle + identifiers of Tx and Rx DMA channels.
+- dma-names : Contains the names of the DMA channels. Must be "tx" and "rx".
+- resets : contains an entry for each entry in reset-names.
+          See ../reset/reset.txt for details.
+- reset-names : must contain "spi"
 
 Child nodes as per the generic SPI binding.
 
@@ -37,5 +43,7 @@ Example:
                num-cs = <2>;
                cs-gpios = <&gpio0 13 0>,
                           <&gpio0 14 0>;
+               resets = <&rst SPIM0_RST>;
+               reset-names = "spi";
        };