# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause %YAML 1.2 --- $id: http://devicetree.org/schemas/mmc/wm,wm8505-sdhc.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: WonderMedia SoC SDHCI Controller maintainers: - Alexey Charkov allOf: - $ref: mmc-controller.yaml# properties: compatible: oneOf: - const: wm,wm8505-sdhc - items: - const: wm,wm8650-sdhc - const: wm,wm8505-sdhc - items: - const: wm,wm8750-sdhc - const: wm,wm8505-sdhc - items: - const: wm,wm8850-sdhc - const: wm,wm8505-sdhc reg: maxItems: 1 clocks: maxItems: 1 interrupts: items: - description: SDMMC controller interrupt - description: SDMMC controller DMA interrupt sdon-inverted: type: boolean description: All chips before (not including) WM8505 rev. A2 treated their "clock stop" bit (register offset 0x08 a.k.a. SDMMC_BUSMODE, bit 0x10) as "set 1 to disable SD clock", while all the later versions treated it as "set 0 to disable SD clock". Set this property for later versions of wm,wm8505-sdhc. On wm,wm8650-sdhc and later this property is implied and does not need to be set explicitly required: - compatible - reg - interrupts - clocks unevaluatedProperties: false examples: - | mmc@d800a000 { compatible = "wm,wm8505-sdhc"; reg = <0xd800a000 0x1000>; interrupts = <20>, <21>; clocks = <&sdhc>; bus-width = <4>; sdon-inverted; };