The "interrupt" property is optional because it is only necessary for controllers supporting DMAs (Not implemented yet in the new driver). Cc: Chin-Ting Kuo <chin-ting_kuo@xxxxxxxxxxxxxx> Signed-off-by: Cédric Le Goater <clg@xxxxxxxx> --- .../bindings/spi/aspeed,ast2600-fmc.yaml | 92 +++++++++++++++++++ 1 file changed, 92 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/aspeed,ast2600-fmc.yaml diff --git a/Documentation/devicetree/bindings/spi/aspeed,ast2600-fmc.yaml b/Documentation/devicetree/bindings/spi/aspeed,ast2600-fmc.yaml new file mode 100644 index 000000000000..ed71c4d86930 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/aspeed,ast2600-fmc.yaml @@ -0,0 +1,92 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spi/aspeed,ast2600-fmc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Aspeed SMC controllers bindings + +maintainers: + - Chin-Ting Kuo <chin-ting_kuo@xxxxxxxxxxxxxx> + - Cédric Le Goater <clg@xxxxxxxx> + +description: | + This binding describes the Aspeed Static Memory Controllers (FMC and + SPI) of the AST2400, AST2500 and AST2600 SOCs. + +allOf: + - $ref: "spi-controller.yaml#" + +properties: + compatible: + enum: + - aspeed,ast2600-fmc + - aspeed,ast2600-spi + - aspeed,ast2500-fmc + - aspeed,ast2500-spi + - aspeed,ast2400-fmc + - aspeed,ast2400-spi + + reg: + items: + - description: registers + - description: memory mapping + + clocks: + maxItems: 1 + + interrupts: + maxItems: 1 + +patternProperties: + "@[0-9a-f]+": + type: object + + properties: + spi-rx-bus-width: + enum: [1, 2, 4] + + required: + - reg + +required: + - compatible + - reg + - clocks + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/interrupt-controller/aspeed-scu-ic.h> + #include <dt-bindings/clock/ast2600-clock.h> + + spi@1e620000 { + reg = < 0x1e620000 0xc4 + 0x20000000 0x10000000 >; + #address-cells = <1>; + #size-cells = <0>; + compatible = "aspeed,ast2600-fmc"; + clocks = <&syscon ASPEED_CLK_AHB>; + status = "disabled"; + interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>; + flash@0 { + reg = < 0 >; + compatible = "jedec,spi-nor"; + spi-max-frequency = <50000000>; + status = "disabled"; + }; + flash@1 { + reg = < 1 >; + compatible = "jedec,spi-nor"; + spi-max-frequency = <50000000>; + status = "disabled"; + }; + flash@2 { + reg = < 2 >; + compatible = "jedec,spi-nor"; + spi-max-frequency = <50000000>; + status = "disabled"; + }; + }; -- 2.34.1
