spi: dt-bindings: snps,dw-apb-ssi: Document Axiado AX3005

The Axiado AX3005 SPI controller is software-compatible with the
Synopsys DesignWare APB SSI 1.01a programming interface.

Document the "axiado,ax3005-spi" SoC-specific compatible with
"snps,dwc-ssi-1.01a" as its fallback. This preserves identification of
the AX3005 integration while allowing the controller to use the
existing DesignWare APB SSI support.

Signed-off-by: Swark Yang <syang@axiado.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://patch.msgid.link/20260805-upstrea-ax3005-spi-v4-v4-1-5b8bc11cb841@axiado.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml b/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml
index 95a5bd894e93d2dc1d141c04a1b87c1be3ccbcc6..7f698195cc430705778e037882b580f3ad10f387 100644 (file)
--- a/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml
+++ b/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml
@@ -53,6 +53,11 @@ properties:
               - sophgo,sg2042-spi
               - thead,th1520-spi
           - const: snps,dw-apb-ssi
+      - description: Vendor controllers compatible with v1.01a
+        items:
+          - enum:
+              - axiado,ax3005-spi
+          - const: snps,dwc-ssi-1.01a
       - description: Vendor controllers which use snps,dwc-ssi-2.00a as fallback
         items:
           - enum: