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-rw-r--r--Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml19
1 files changed, 19 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml b/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml
index a132b5fc56e0..12ca108864c6 100644
--- a/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml
+++ b/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml
@@ -37,6 +37,17 @@ allOf:
else:
required:
- interrupts
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: amd,pensando-elba-spi
+ then:
+ required:
+ - amd,pensando-elba-syscon
+ else:
+ properties:
+ amd,pensando-elba-syscon: false
properties:
compatible:
@@ -63,6 +74,8 @@ properties:
const: intel,keembay-ssi
- description: Intel Thunder Bay SPI Controller
const: intel,thunderbay-ssi
+ - description: AMD Pensando Elba SoC SPI Controller
+ const: amd,pensando-elba-spi
- description: Baikal-T1 SPI Controller
const: baikal,bt1-ssi
- description: Baikal-T1 System Boot SPI Controller
@@ -136,6 +149,12 @@ properties:
of the designware controller, and the upper limit is also subject to
controller configuration.
+ amd,pensando-elba-syscon:
+ $ref: /schemas/types.yaml#/definitions/phandle-array
+ description:
+ Block address to control SPI chip-selects. The Elba SoC system controller
+ provides an interface to override the native DWC SSI CS control.
+
patternProperties:
"^.*@[0-9a-f]+$":
type: object