arch/arm/boot/dts/overlays/mmc-overlay.dts

   1 /dts-v1/;
   2 /plugin/;
   3
   4 /{
   5         compatible = "brcm,bcm2835";
   6
   7         fragment@0 {
   8                 target = <&mmc>;
   9                 frag0: __overlay__ {
  10                         pinctrl-names = "default";
  11                         pinctrl-0 = <&mmc_pins>;
  12                         bus-width = <4>;
  13                         brcm,overclock-50 = <0>;
  14                         status = "okay";
  15                 };
  16         };
  17
  18         fragment@1 {
  19                 target = <&gpio>;
  20                 __overlay__ {
  21                         mmc_pins: mmc_pins {
  22                                 brcm,pins = <48 49 50 51 52 53>;
  23                                 brcm,function = <7>; /* alt3 */
  24                                 brcm,pull = <0 2 2 2 2 2>;
  25                         };
  26                 };
  27         };
  28
  29         fragment@2 {
  30                 target = <&sdhost>;
  31                 __overlay__ {
  32                         status = "disabled";
  33                 };
  34         };
  35
  36         fragment@3 {
  37                 target = <&mmcnr>;
  38                 __overlay__ {
  39                         status = "disabled";
  40                 };
  41         };
  42
  43         __overrides__ {
  44                 overclock_50     = <&frag0>,"brcm,overclock-50:0";
  45         };
  46 };