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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/mmc/spacemit,sdhci.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: SpacemiT SDHCI Controller
maintainers:
- Yixun Lan <dlan@gentoo.org>
allOf:
- $ref: mmc-controller.yaml#
properties:
compatible:
enum:
- spacemit,k1-sdhci
- spacemit,k3-sdhci
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
items:
- description: core clock, used by internal controller
- description: io clock, output for SD, SDIO, eMMC device
clock-names:
items:
- const: core
- const: io
resets:
items:
- description: axi reset, connect to AXI bus, shared by all controllers
- description: sdh reset, connect to individual controller separately
reset-names:
items:
- const: axi
- const: sdh
pinctrl-names:
minItems: 1
items:
- const: default
- const: uhs
pinctrl-0:
description: Default pinctrl state for 3.3V operation
pinctrl-1:
description: Optional pinctrl state for 1.8V UHS operation with "uhs" name
required:
- compatible
- reg
- interrupts
- clocks
- clock-names
unevaluatedProperties: false
examples:
- |
mmc@d4281000 {
compatible = "spacemit,k1-sdhci";
reg = <0xd4281000 0x200>;
interrupts = <101>;
interrupt-parent = <&plic>;
clocks = <&clk_apmu 10>, <&clk_apmu 13>;
clock-names = "core", "io";
pinctrl-names = "default", "uhs";
pinctrl-0 = <&sdhci_default_cfg>;
pinctrl-1 = <&sdhci_uhs_cfg>;
};
|
