Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab...
[firefly-linux-kernel-4.4.55.git] / Documentation / devicetree / bindings / mmc / usdhi6rol0.txt
1 * Renesas usdhi6rol0 SD/SDIO host controller
2
3 Required properties:
4
5 - compatible:   must be
6                 "renesas,usdhi6rol0"
7 - interrupts:   3 interrupts, named "card detect", "data" and "SDIO" must be
8                 specified
9 - clocks:       a clock binding for the IMCLK input
10
11 Optional properties:
12
13 - vmmc-supply:  a phandle of a regulator, supplying Vcc to the card
14 - vqmmc-supply: a phandle of a regulator, supplying VccQ to the card
15
16 Additionally any standard mmc bindings from mmc.txt can be used.
17
18 Example:
19
20 sd0: sd@ab000000 {
21         compatible = "renesas,usdhi6rol0";
22         reg = <0xab000000 0x200>;
23         interrupts = <0 23 0x4
24                       0 24 0x4
25                       0 25 0x4>;
26         interrupt-names = "card detect", "data", "SDIO";
27         bus-width = <4>;
28         max-frequency = <50000000>;
29         cap-power-off-card;
30         clocks = <&imclk>;
31         vmmc-supply = <&vcc_sd0>;
32         vqmmc-supply = <&vccq_sd0>;
33 };