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LiteSDCard is a small footprint, configurable SDCard core for FPGA based SoCs. Signed-off-by: Gabriel Somlo <gsomlo@gmail.com> Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org> Reviewed-by: Rob Herring <robh@kernel.org> Reviewed-by: Joel Stanley <joel@jms.id.au> Link: https://lore.kernel.org/r/20220113170300.3555651-3-gsomlo@gmail.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
79 lines
1.6 KiB
YAML
79 lines
1.6 KiB
YAML
# SPDX-License-Identifier: GPL-2.0-or-later OR BSD-2-Clause
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/mmc/litex,mmc.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: LiteX LiteSDCard device
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maintainers:
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- Gabriel Somlo <gsomlo@gmail.com>
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description: |
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LiteSDCard is a small footprint, configurable SDCard core for FPGA based
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system on chips.
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The hardware source is Open Source and can be found on at
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https://github.com/enjoy-digital/litesdcard/.
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allOf:
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- $ref: mmc-controller.yaml#
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properties:
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compatible:
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const: litex,mmc
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reg:
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items:
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- description: PHY registers
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- description: CORE registers
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- description: DMA Reader buffer
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- description: DMA Writer buffer
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- description: IRQ registers
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minItems: 4
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reg-names:
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items:
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- const: phy
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- const: core
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- const: reader
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- const: writer
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- const: irq
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minItems: 4
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clocks:
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maxItems: 1
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description:
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Handle to reference clock.
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vmmc-supply:
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description:
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Handle to fixed-voltage supply for the card power.
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interrupts:
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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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- reg-names
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- clocks
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- vmmc-supply
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additionalProperties: false
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examples:
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- |
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mmc: mmc@12005000 {
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compatible = "litex,mmc";
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reg = <0x12005000 0x100>,
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<0x12003800 0x100>,
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<0x12003000 0x100>,
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<0x12004800 0x100>,
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<0x12004000 0x100>;
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reg-names = "phy", "core", "reader", "writer", "irq";
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clocks = <&reference_clk>;
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vmmc-supply = <&vreg_mmc>;
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interrupts = <4>;
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};
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