diff options
Diffstat (limited to 'Documentation/devicetree/bindings/spi/spi-sifive.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/spi/spi-sifive.yaml | 39 |
1 files changed, 20 insertions, 19 deletions
diff --git a/Documentation/devicetree/bindings/spi/spi-sifive.yaml b/Documentation/devicetree/bindings/spi/spi-sifive.yaml index 140e4351a19f..5bffefb9c7eb 100644 --- a/Documentation/devicetree/bindings/spi/spi-sifive.yaml +++ b/Documentation/devicetree/bindings/spi/spi-sifive.yaml @@ -12,31 +12,32 @@ maintainers: - Palmer Dabbelt <palmer@sifive.com> allOf: - - $ref: "spi-controller.yaml#" + - $ref: spi-controller.yaml# properties: compatible: items: - - const: sifive,fu540-c000-spi + - enum: + - sifive,fu540-c000-spi + - sifive,fu740-c000-spi - const: sifive,spi0 description: Should be "sifive,<chip>-spi" and "sifive,spi<version>". Supported compatible strings are - - "sifive,fu540-c000-spi" for the SiFive SPI v0 as integrated - onto the SiFive FU540 chip, and "sifive,spi0" for the SiFive - SPI v0 IP block with no chip integration tweaks. + "sifive,fu540-c000-spi" and "sifive,fu740-c000-spi" for the SiFive SPI v0 + as integrated onto the SiFive FU540 and FU740 chip resp, and "sifive,spi0" + for the SiFive SPI v0 IP block with no chip integration tweaks. Please refer to sifive-blocks-ip-versioning.txt for details SPI RTL that corresponds to the IP block version numbers can be found here - https://github.com/sifive/sifive-blocks/tree/master/src/main/scala/devices/spi reg: - maxItems: 1 - - description: - Physical base address and size of SPI registers map - A second (optional) range can indicate memory mapped flash + minItems: 1 + items: + - description: SPI registers region + - description: Memory mapped flash region interrupts: maxItems: 1 @@ -50,18 +51,16 @@ properties: sifive,fifo-depth: description: Depth of hardware queues; defaults to 8 - allOf: - - $ref: "/schemas/types.yaml#/definitions/uint32" - - enum: [ 8 ] - - default: 8 + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [8] + default: 8 sifive,max-bits-per-word: description: Maximum bits per word; defaults to 8 - allOf: - - $ref: "/schemas/types.yaml#/definitions/uint32" - - enum: [ 0, 1, 2, 3, 4, 5, 6, 7, 8 ] - - default: 8 + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 2, 3, 4, 5, 6, 7, 8] + default: 8 required: - compatible @@ -69,11 +68,13 @@ required: - interrupts - clocks +unevaluatedProperties: false + examples: - | spi: spi@10040000 { compatible = "sifive,fu540-c000-spi", "sifive,spi0"; - reg = <0x0 0x10040000 0x0 0x1000 0x0 0x20000000 0x0 0x10000000>; + reg = <0x10040000 0x1000>, <0x20000000 0x10000000>; interrupt-parent = <&plic>; interrupts = <51>; clocks = <&tlclk>; |