diff options
| author | Chris Packham <chris.packham@alliedtelesis.co.nz> | 2024-10-16 11:54:32 +1300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2024-10-21 12:49:37 +0100 |
| commit | eef26f1c6179eee5b622362b324a0a72dafb5c16 (patch) | |
| tree | 664f27c42f51bcea1217ce3b641747b2a0181d0d | |
| parent | 36dbe4521a381fd4d2561a90200ae4a2a3efb222 (diff) | |
dt-bindings: spi: Add realtek,rtl9301-snand
Add a dtschema for the SPI-NAND controller on the RTL9300 SoCs. The
controller supports
* Serial/Dual/Quad data with
* PIO and DMA data read/write operation
* Configurable flash access timing
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20241015225434.3970360-2-chris.packham@alliedtelesis.co.nz
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | Documentation/devicetree/bindings/spi/realtek,rtl9301-snand.yaml | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/spi/realtek,rtl9301-snand.yaml b/Documentation/devicetree/bindings/spi/realtek,rtl9301-snand.yaml new file mode 100644 index 000000000000..36d79a90552b --- /dev/null +++ b/Documentation/devicetree/bindings/spi/realtek,rtl9301-snand.yaml @@ -0,0 +1,62 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spi/realtek,rtl9301-snand.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: SPI-NAND Flash Controller for Realtek RTL9300 SoCs + +maintainers: + - Chris Packham <chris.packham@alliedtelesis.co.nz> + +description: + The Realtek RTL9300 SoCs have a built in SPI-NAND controller. It supports + typical SPI-NAND page cache operations in single, dual or quad IO mode. + +properties: + compatible: + oneOf: + - items: + - enum: + - realtek,rtl9302b-snand + - realtek,rtl9302c-snand + - realtek,rtl9303-snand + - const: realtek,rtl9301-snand + - const: realtek,rtl9301-snand + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - clocks + +allOf: + - $ref: /schemas/spi/spi-controller.yaml# + +unevaluatedProperties: false + +examples: + - | + spi@1a400 { + compatible = "realtek,rtl9302c-snand", "realtek,rtl9301-snand"; + reg = <0x1a400 0x44>; + interrupt-parent = <&intc>; + interrupts = <19>; + clocks = <&lx_clk>; + #address-cells = <1>; + #size-cells = <0>; + + flash@0 { + compatible = "spi-nand"; + reg = <0>; + }; + }; |