Introduce device-tree binding documentation for Airoha EN7581 SPI-NAND Flash Interface. Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx> Reviewed-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx> Tested-by: Rajeev Kumar <Rajeev.Kumar@xxxxxxxxxx> Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx> --- .../bindings/spi/airoha,en7581-snand.yaml | 65 +++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/airoha,en7581-snand.yaml diff --git a/Documentation/devicetree/bindings/spi/airoha,en7581-snand.yaml b/Documentation/devicetree/bindings/spi/airoha,en7581-snand.yaml new file mode 100644 index 000000000000..b820c5613dcc --- /dev/null +++ b/Documentation/devicetree/bindings/spi/airoha,en7581-snand.yaml @@ -0,0 +1,65 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spi/airoha,en7581-snand.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: SPI-NAND flash controller for Airoha ARM SoCs + +maintainers: + - Lorenzo Bianconi <lorenzo@xxxxxxxxxx> + +allOf: + - $ref: spi-controller.yaml# + +properties: + compatible: + const: airoha,en7581-snand + + reg: + items: + - description: spi base address + - description: nfi2spi base address + + clocks: + maxItems: 1 + + clock-names: + items: + - const: spi + +required: + - compatible + - reg + - clocks + - clock-names + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/clock/en7523-clk.h> + + soc { + #address-cells = <2>; + #size-cells = <2>; + + spi@1fa10000 { + compatible = "airoha,en7581-snand"; + reg = <0x0 0x1fa10000 0x0 0x140>, + <0x0 0x1fa11000 0x0 0x160>; + + clocks = <&scuclk EN7523_CLK_SPI>; + clock-names = "spi"; + + #address-cells = <1>; + #size-cells = <0>; + + flash@0 { + compatible = "spi-nand"; + reg = <0>; + spi-tx-bus-width = <1>; + spi-rx-bus-width = <2>; + }; + }; + }; -- 2.44.0
