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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/devicetree/bindings/mmc/synopsys-dw-mshc-common.yaml | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | Documentation/devicetree/bindings/mmc/synopsys-dw-mshc-common.yaml | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc-common.yaml b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc-common.yaml new file mode 100644 index 000000000..8dfad89c7 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc-common.yaml @@ -0,0 +1,66 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mmc/synopsys-dw-mshc-common.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Synopsys Designware Mobile Storage Host Controller Common Properties + +allOf: + - $ref: "mmc-controller.yaml#" + +maintainers: + - Ulf Hansson <ulf.hansson@linaro.org> + +# Everything else is described in the common file +properties: + resets: + maxItems: 1 + + reset-names: + const: reset + + clock-frequency: + description: + Should be the frequency (in Hz) of the ciu clock. If this + is specified and the ciu clock is specified then we'll try to set the ciu + clock to this at probe time. + + fifo-depth: + description: + The maximum size of the tx/rx fifo's. If this property is not + specified, the default value of the fifo size is determined from the + controller registers. + $ref: /schemas/types.yaml#/definitions/uint32 + + card-detect-delay: + description: + Delay in milli-seconds before detecting card after card + insert event. The default value is 0. + $ref: /schemas/types.yaml#/definitions/uint32 + default: 0 + + data-addr: + description: + Override fifo address with value provided by DT. The default FIFO reg + offset is assumed as 0x100 (version < 0x240A) and 0x200(version >= 0x240A) + by driver. If the controller does not follow this rule, please use + this property to set fifo address in device tree. + $ref: /schemas/types.yaml#/definitions/uint32 + + fifo-watermark-aligned: + description: + Data done irq is expected if data length is less than + watermark in PIO mode. But fifo watermark is requested to be aligned + with data length in some SoC so that TX/RX irq can be generated with + data done irq. Add this watermark quirk to mark this requirement and + force fifo watermark setting accordingly. + $ref: /schemas/types.yaml#/definitions/flag + + dmas: + maxItems: 1 + + dma-names: + const: rx-tx + +additionalProperties: true |