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This patch adds support for the SD/MMC host controller found on Wondermedia 8xxx series SoCs, currently supported under arm/arch-vt8500. A binding document is also included, based on mmc.txt with additional properties. Signed-off-by: Tony Prisk <linux@prisktech.co.nz> Signed-off-by: Chris Ball <cjb@laptop.org>
24 lines
562 B
Plaintext
24 lines
562 B
Plaintext
* Wondermedia WM8505/WM8650 SD/MMC Host Controller
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This file documents differences between the core properties described
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by mmc.txt and the properties used by the wmt-sdmmc driver.
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Required properties:
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- compatible: Should be "wm,wm8505-sdhc".
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- interrupts: Two interrupts are required - regular irq and dma irq.
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Optional properties:
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- sdon-inverted: SD_ON bit is inverted on the controller
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Examples:
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sdhc@d800a000 {
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compatible = "wm,wm8505-sdhc";
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reg = <0xd800a000 0x1000>;
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interrupts = <20 21>;
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clocks = <&sdhc>;
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bus-width = <4>;
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sdon-inverted;
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};
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