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| author |  Xiangsheng Hou <xiangsheng.hou@mediatek.com>
| 2023-02-01 10:09:19 +0800 |
|---|---|---|
| committer |  Mark Brown <broonie@kernel.org>
| 2023-02-09 17:07:21 +0000 |
| commit | 8aa2ef233fa3b985ced1ed31b86fddddfd6be4b2 (patch) | |
| tree | db49f90a6c60c12f97fe655f68288ce79a8a2e0a /Documentation/devicetree/bindings/spi | |
| parent | spi: mtk-snfi: Add snfi sample delay and read latency adjustment (diff) | |
| download | linux-8aa2ef233fa3b985ced1ed31b86fddddfd6be4b2.tar.gz linux-8aa2ef233fa3b985ced1ed31b86fddddfd6be4b2.tar.bz2 linux-8aa2ef233fa3b985ced1ed31b86fddddfd6be4b2.zip | |
spi: dt-bindings: mtk-snfi: Add compatible for MT7986
Add dt-bindings documentation of SPI NAND controller
for MediaTek MT7986 SoC platform. And add optional
nfi_hclk property which is needed for MT7986.
Signed-off-by: Xiangsheng Hou <xiangsheng.hou@mediatek.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230201020921.26712-4-xiangsheng.hou@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/spi')
| -rw-r--r-- | Documentation/devicetree/bindings/spi/mediatek,spi-mtk-snfi.yaml | 51 |
1 files changed, 42 insertions, 9 deletions
diff --git a/Documentation/devicetree/bindings/spi/mediatek,spi-mtk-snfi.yaml b/Documentation/devicetree/bindings/spi/mediatek,spi-mtk-snfi.yaml index 6e6e02c91780..bab23f1b11fd 100644 --- a/Documentation/devicetree/bindings/spi/mediatek,spi-mtk-snfi.yaml +++ b/Documentation/devicetree/bindings/spi/mediatek,spi-mtk-snfi.yaml @@ -18,14 +18,12 @@ description: | using the accompanying ECC engine. There should be only one spi slave device following generic spi bindings. -allOf: - - $ref: /schemas/spi/spi-controller.yaml# - properties: compatible: enum: - mediatek,mt7622-snand - mediatek,mt7629-snand + - mediatek,mt7986-snand reg: items: @@ -36,14 +34,12 @@ properties: - description: NFI interrupt clocks: - items: - - description: clock used for the controller - - description: clock used for the SPI bus + minItems: 2 + maxItems: 3 clock-names: - items: - - const: nfi_clk - - const: pad_clk + minItems: 2 + maxItems: 3 nand-ecc-engine: description: device-tree node of the accompanying ECC engine. @@ -57,6 +53,43 @@ required: - clock-names - nand-ecc-engine +allOf: + - $ref: /schemas/spi/spi-controller.yaml# + - if: + properties: + compatible: + enum: + - mediatek,mt7622-snand + - mediatek,mt7629-snand + then: + properties: + clocks: + items: + - description: clock used for the controller + - description: clock used for the SPI bus + clock-names: + items: + - const: nfi_clk + - const: pad_clk + + - if: + properties: + compatible: + enum: + - mediatek,mt7986-snand + then: + properties: + clocks: + items: + - description: clock used for the controller + - description: clock used for the SPI bus + - description: clock used for the AHB bus + clock-names: + items: + - const: nfi_clk + - const: pad_clk + - const: nfi_hclk + unevaluatedProperties: false examples: |