diff options
Diffstat (limited to 'Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml | 135 |
1 files changed, 105 insertions, 30 deletions
diff --git a/Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml b/Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml index 4707294d8f59..53a52fb8b819 100644 --- a/Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml +++ b/Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml @@ -4,7 +4,7 @@ $id: http://devicetree.org/schemas/spi/cdns,qspi-nor.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# -title: Cadence Quad SPI controller +title: Cadence Quad/Octal SPI controller maintainers: - Vaishnav Achath <vaishnav.a@ti.com> @@ -19,19 +19,69 @@ allOf: then: required: - power-domains + - if: + properties: + compatible: + contains: + const: starfive,jh7110-qspi + then: + properties: + resets: + minItems: 2 + maxItems: 3 + + reset-names: + minItems: 2 + maxItems: 3 + items: + enum: [ qspi, qspi-ocp, rstc_ref ] + + else: + properties: + resets: + maxItems: 2 + + reset-names: + minItems: 1 + maxItems: 2 + items: + enum: [ qspi, qspi-ocp ] + - if: + properties: + compatible: + contains: + const: amd,pensando-elba-qspi + then: + properties: + cdns,fifo-depth: + enum: [ 128, 256, 1024 ] + default: 1024 + else: + properties: + cdns,fifo-depth: + enum: [ 128, 256 ] + default: 128 properties: compatible: oneOf: - items: - enum: - - ti,k2g-qspi - - ti,am654-ospi + - amd,pensando-elba-qspi + - amd,versal2-ospi - intel,lgm-qspi - - xlnx,versal-ospi-1.0 - intel,socfpga-qspi + - mobileye,eyeq5-ospi + - starfive,jh7110-qspi + - ti,am654-ospi + - ti,k2g-qspi + - xlnx,versal-ospi-1.0 + # The compatible is qspi-nor for historical reasons but such + # controllers are meant to be used with flashes of all kinds, + # ie. also NAND flashes, not only NOR flashes. - const: cdns,qspi-nor - const: cdns,qspi-nor + deprecated: true reg: items: @@ -42,14 +92,22 @@ properties: maxItems: 1 clocks: - maxItems: 1 + minItems: 1 + maxItems: 3 + + clock-names: + oneOf: + - items: + - const: ref + - items: + - const: ref + - const: ahb + - const: apb cdns,fifo-depth: description: Size of the data FIFO in words. - $ref: "/schemas/types.yaml#/definitions/uint32" - enum: [ 128, 256 ] - default: 128 + $ref: /schemas/types.yaml#/definitions/uint32 cdns,fifo-width: $ref: /schemas/types.yaml#/definitions/uint32 @@ -79,20 +137,32 @@ properties: maxItems: 1 resets: - maxItems: 2 + minItems: 2 + maxItems: 3 reset-names: - minItems: 1 - maxItems: 2 + minItems: 2 + maxItems: 3 items: - enum: [ qspi, qspi-ocp ] + enum: [ qspi, qspi-ocp, rstc_ref ] + +patternProperties: + "^flash@[0-9a-f]+$": + type: object + $ref: cdns,qspi-nor-peripheral-props.yaml + additionalProperties: true + required: + - cdns,read-delay + - cdns,tshsl-ns + - cdns,tsd2d-ns + - cdns,tchsh-ns + - cdns,tslch-ns required: - compatible - reg - interrupts - clocks - - cdns,fifo-depth - cdns,fifo-width - cdns,trigger-address - '#address-cells' @@ -103,21 +173,26 @@ unevaluatedProperties: false examples: - | qspi: spi@ff705000 { - compatible = "cdns,qspi-nor"; - #address-cells = <1>; - #size-cells = <0>; - reg = <0xff705000 0x1000>, - <0xffa00000 0x1000>; - interrupts = <0 151 4>; - clocks = <&qspi_clk>; - cdns,fifo-depth = <128>; - cdns,fifo-width = <4>; - cdns,trigger-address = <0x00000000>; - resets = <&rst 0x1>, <&rst 0x2>; - reset-names = "qspi", "qspi-ocp"; - - flash@0 { - compatible = "jedec,spi-nor"; - reg = <0x0>; - }; + compatible = "intel,socfpga-qspi", "cdns,qspi-nor"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0xff705000 0x1000>, + <0xffa00000 0x1000>; + interrupts = <0 151 4>; + clocks = <&qspi_clk>; + cdns,fifo-depth = <128>; + cdns,fifo-width = <4>; + cdns,trigger-address = <0x00000000>; + resets = <&rst 0x1>, <&rst 0x2>; + reset-names = "qspi", "qspi-ocp"; + + flash@0 { + compatible = "jedec,spi-nor"; + reg = <0x0>; + cdns,read-delay = <4>; + cdns,tshsl-ns = <60>; + cdns,tsd2d-ns = <60>; + cdns,tchsh-ns = <60>; + cdns,tslch-ns = <60>; + }; }; |