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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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eef26f1c61
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>
63 lines
1.3 KiB
YAML
63 lines
1.3 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/spi/realtek,rtl9301-snand.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: SPI-NAND Flash Controller for Realtek RTL9300 SoCs
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maintainers:
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- Chris Packham <chris.packham@alliedtelesis.co.nz>
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description:
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The Realtek RTL9300 SoCs have a built in SPI-NAND controller. It supports
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typical SPI-NAND page cache operations in single, dual or quad IO mode.
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properties:
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compatible:
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oneOf:
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- items:
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- enum:
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- realtek,rtl9302b-snand
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- realtek,rtl9302c-snand
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- realtek,rtl9303-snand
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- const: realtek,rtl9301-snand
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- const: realtek,rtl9301-snand
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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clocks:
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maxItems: 1
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required:
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- compatible
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- reg
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- interrupts
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- clocks
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allOf:
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- $ref: /schemas/spi/spi-controller.yaml#
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unevaluatedProperties: false
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examples:
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- |
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spi@1a400 {
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compatible = "realtek,rtl9302c-snand", "realtek,rtl9301-snand";
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reg = <0x1a400 0x44>;
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interrupt-parent = <&intc>;
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interrupts = <19>;
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clocks = <&lx_clk>;
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#address-cells = <1>;
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#size-cells = <0>;
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flash@0 {
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compatible = "spi-nand";
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reg = <0>;
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};
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};
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