81 lines
1.6 KiB
YAML
81 lines
1.6 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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$id: http://devicetree.org/schemas/mmc/spacemit,sdhci.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: SpacemiT SDHCI Controller
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maintainers:
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- Yixun Lan <dlan@gentoo.org>
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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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enum:
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- spacemit,k1-sdhci
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- spacemit,k3-sdhci
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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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items:
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- description: core clock, used by internal controller
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- description: io clock, output for SD, SDIO, eMMC device
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clock-names:
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items:
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- const: core
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- const: io
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resets:
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items:
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- description: axi reset, connect to AXI bus, shared by all controllers
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- description: sdh reset, connect to individual controller separately
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reset-names:
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items:
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- const: axi
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- const: sdh
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pinctrl-names:
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minItems: 1
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items:
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- const: default
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- const: uhs
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pinctrl-0:
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description: Default pinctrl state for 3.3V operation
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pinctrl-1:
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description: Optional pinctrl state for 1.8V UHS operation with "uhs" name
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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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- clock-names
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unevaluatedProperties: false
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examples:
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- |
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mmc@d4281000 {
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compatible = "spacemit,k1-sdhci";
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reg = <0xd4281000 0x200>;
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interrupts = <101>;
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interrupt-parent = <&plic>;
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clocks = <&clk_apmu 10>, <&clk_apmu 13>;
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clock-names = "core", "io";
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pinctrl-names = "default", "uhs";
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pinctrl-0 = <&sdhci_default_cfg>;
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pinctrl-1 = <&sdhci_uhs_cfg>;
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};
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