mirror of
https://github.com/torvalds/linux.git
synced 2024-12-19 01:23:20 +00:00
3a96dff0f8
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
|
|
|
|
This file documents differences between the core properties described
|
|
by mmc.txt and the properties used by the wmt-sdmmc driver.
|
|
|
|
Required properties:
|
|
- compatible: Should be "wm,wm8505-sdhc".
|
|
- interrupts: Two interrupts are required - regular irq and dma irq.
|
|
|
|
Optional properties:
|
|
- sdon-inverted: SD_ON bit is inverted on the controller
|
|
|
|
Examples:
|
|
|
|
sdhc@d800a000 {
|
|
compatible = "wm,wm8505-sdhc";
|
|
reg = <0xd800a000 0x1000>;
|
|
interrupts = <20 21>;
|
|
clocks = <&sdhc>;
|
|
bus-width = <4>;
|
|
sdon-inverted;
|
|
};
|
|
|