xref: /freebsd/sys/contrib/device-tree/Bindings/mmc/mmc-card.txt (revision dd41de95a84d979615a2ef11df6850622bf6184e) 
1mmc-card / eMMC bindings
2------------------------
3
4This documents describes the devicetree bindings for a mmc-host controller
5child node describing a mmc-card / an eMMC, see "Use of Function subnodes"
6in mmc.txt
7
8Required properties:
9-compatible : Must be "mmc-card"
10-reg        : Must be <0>
11
12Optional properties:
13-broken-hpi : Use this to indicate that the mmc-card has a broken hpi
14              implementation, and that hpi should not be used
15
16Example:
17
18&mmc2 {
19	pinctrl-names = "default";
20	pinctrl-0 = <&mmc2_pins_a>;
21	vmmc-supply = <&reg_vcc3v3>;
22	bus-width = <8>;
23	non-removable;
24
25	mmccard: mmccard@0 {
26		reg = <0>;
27		compatible = "mmc-card";
28		broken-hpi;
29	};
30};
31