diff options
Diffstat (limited to 'dts/Bindings/spi/snps,dw-apb-ssi.yaml')
| -rw-r--r-- | dts/Bindings/spi/snps,dw-apb-ssi.yaml | 50 |
1 files changed, 33 insertions, 17 deletions
diff --git a/dts/Bindings/spi/snps,dw-apb-ssi.yaml b/dts/Bindings/spi/snps,dw-apb-ssi.yaml index d7e08b03e2..fde3776a55 100644 --- a/dts/Bindings/spi/snps,dw-apb-ssi.yaml +++ b/dts/Bindings/spi/snps,dw-apb-ssi.yaml @@ -10,7 +10,7 @@ maintainers: - Mark Brown <broonie@kernel.org> allOf: - - $ref: "spi-controller.yaml#" + - $ref: spi-controller.yaml# - if: properties: compatible: @@ -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: @@ -61,6 +72,10 @@ properties: - const: snps,dw-apb-ssi - description: Intel Keem Bay SPI Controller const: intel,keembay-ssi + - description: Intel Mount Evans Integrated Management Complex SPI Controller + const: intel,mountevans-imc-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 @@ -102,7 +117,6 @@ properties: const: spi reg-io-width: - $ref: /schemas/types.yaml#/definitions/uint32 description: I/O register width (in bytes) implemented by this device default: 4 enum: [ 2, 4 ] @@ -124,31 +138,33 @@ properties: rx-sample-delay-ns: default: 0 - description: Default value of the rx-sample-delay-ns property. + description: | + Default value of the rx-sample-delay-ns property. This value will be used if the property is not explicitly defined - for a SPI slave device. See below. + for a SPI slave device. + + SPI Rx sample delay offset, unit is nanoseconds. + The delay from the default sample time before the actual sample of the + rxd input signal occurs. The "rx_sample_delay" is an optional feature + 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 + additionalProperties: true + properties: reg: minimum: 0 maximum: 3 - spi-rx-bus-width: - const: 1 - - spi-tx-bus-width: - const: 1 - - rx-sample-delay-ns: - description: SPI Rx sample delay offset, unit is nanoseconds. - The delay from the default sample time before the actual - sample of the rxd input signal occurs. The "rx_sample_delay" - is an optional feature of the designware controller, and the - upper limit is also subject to controller configuration. - unevaluatedProperties: false required: |