[deliverable/linux.git] / Documentation / devicetree / bindings / mmc / mmc-card.txt

mmc-card / eMMC bindings
------------------------

This documents describes the devicetree bindings for a mmc-host controller
child node describing a mmc-card / an eMMC, see "Use of Function subnodes"
in mmc.txt

Required properties:
-compatible : Must be "mmc-card"
-reg        : Must be <0>

Optional properties:
-broken-hpi : Use this to indicate that the mmc-card has a broken hpi
              implementation, and that hpi should not be used

Example:

&mmc2 {
	pinctrl-names = "default";
	pinctrl-0 = <&mmc2_pins_a>;
	vmmc-supply = <&reg_vcc3v3>;
	bus-width = <8>;
	non-removable;
	status = "okay";

	mmccard: mmccard@0 {
		reg = <0>;
		compatible = "mmc-card";
		broken-hpi;
	};
};
Commit	Line	Data
81f8a7be HG	1	mmc-card / eMMC bindings
	2	------------------------
	3
	4	This documents describes the devicetree bindings for a mmc-host controller
	5	child node describing a mmc-card / an eMMC, see "Use of Function subnodes"
	6	in mmc.txt
	7
	8	Required properties:
	9	-compatible : Must be "mmc-card"
	10	-reg : Must be <0>
	11
	12	Optional 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
	16	Example:
	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	status = "okay";
	25
	26	mmccard: mmccard@0 {
	27	reg = <0>;
	28	compatible = "mmc-card";
	29	broken-hpi;
	30	};
	31	};