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author | Kunihiko Hayashi <hayashi.kunihiko@socionext.com> | 2022-11-24 03:33:50 +0300 |
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committer | Mark Brown <broonie@kernel.org> | 2022-11-24 14:05:08 +0300 |
commit | bcd58c8ca0f89fe6a890f909916bc97561341a06 (patch) | |
tree | 45d64b1edb01ed946b74c65a3b7dad34852d39ca /Documentation/devicetree/bindings/spi | |
parent | 1b74dd64c8612619e399e5a31da79a3636914495 (diff) | |
download | linux-bcd58c8ca0f89fe6a890f909916bc97561341a06.tar.xz |
spi: Add Socionext F_OSPI controller bindings
Add devicetree binding documentation for Socionext F_OSPI SPI flash
controller.
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20221124003351.7792-2-hayashi.kunihiko@socionext.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/spi')
-rw-r--r-- | Documentation/devicetree/bindings/spi/socionext,f-ospi.yaml | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/spi/socionext,f-ospi.yaml b/Documentation/devicetree/bindings/spi/socionext,f-ospi.yaml new file mode 100644 index 000000000000..9878d1446552 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/socionext,f-ospi.yaml @@ -0,0 +1,57 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spi/socionext,f-ospi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Socionext F_OSPI controller + +description: | + The Socionext F_OSPI is a controller used to interface with flash + memories using the SPI communication interface. + +maintainers: + - Kunihiko Hayashi <hayashi.kunihiko@socionext.com> + +allOf: + - $ref: spi-controller.yaml# + +properties: + compatible: + const: socionext,f-ospi + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + num-cs: + minimum: 1 + maximum: 4 + +required: + - compatible + - reg + - clocks + - "#address-cells" + - "#size-cells" + +unevaluatedProperties: false + +examples: + - | + ospi0: spi@80000000 { + compatible = "socionext,f-ospi"; + reg = <0x80000000 0x1000>; + clocks = <&clks 0>; + num-cs = <1>; + #address-cells = <1>; + #size-cells = <0>; + + flash@0 { + compatible = "spansion,s25fl128s", "jedec,spi-nor"; + reg = <0>; + spi-max-frequency = <50000000>; + }; + }; |