1* NVIDIA Tegra Secure Digital Host Controller
2
3This controller on Tegra family SoCs provides an interface for MMC, SD,
4and SDIO types of memory cards.
5
6This file documents differences between the core properties described
7by mmc.txt and the properties used by the sdhci-tegra driver.
8
9Required properties:
10- compatible : For Tegra20, must contain "nvidia,tegra20-sdhci".
11  For Tegra30, must contain "nvidia,tegra30-sdhci".  For Tegra114,
12  must contain "nvidia,tegra114-sdhci".  For Tegra124, must contain
13  "nvidia,tegra124-sdhci".  Otherwise, must contain "nvidia,<chip>-sdhci",
14  plus one of the above, where <chip> is tegra132 or tegra210.
15- clocks : Must contain one entry, for the module clock.
16  See ../clocks/clock-bindings.txt for details.
17- resets : Must contain an entry for each entry in reset-names.
18  See ../reset/reset.txt for details.
19- reset-names : Must include the following entries:
20  - sdhci
21
22Optional properties:
23- power-gpios : Specify GPIOs for power control
24
25Example:
26
27sdhci@c8000200 {
28	compatible = "nvidia,tegra20-sdhci";
29	reg = <0xc8000200 0x200>;
30	interrupts = <47>;
31	clocks = <&tegra_car 14>;
32	resets = <&tegra_car 14>;
33	reset-names = "sdhci";
34	cd-gpios = <&gpio 69 0>; /* gpio PI5 */
35	wp-gpios = <&gpio 57 0>; /* gpio PH1 */
36	power-gpios = <&gpio 155 0>; /* gpio PT3 */
37	bus-width = <8>;
38};
39