Documentation/devicetree/bindings/mmc/microchip,sdhci-pic32.txt

   1 * Microchip PIC32 SDHCI Controller
   2
   3 This file documents differences between the core properties in mmc.txt
   4 and the properties used by the sdhci-pic32 driver.
   5
   6 Required properties:
   7 - compatible: Should be "microchip,pic32mzda-sdhci"
   8 - interrupts: Should contain interrupt
   9 - clock-names: Should be "base_clk", "sys_clk".
  10                See: Documentation/devicetree/bindings/resource-names.txt
  11 - clocks: Phandle to the clock.
  12           See: Documentation/devicetree/bindings/clock/clock-bindings.txt
  13 - pinctrl-names: A pinctrl state names "default" must be defined.
  14 - pinctrl-0: Phandle referencing pin configuration of the SDHCI controller.
  15              See: Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
  16
  17 Example:
  18
  19         sdhci@1f8ec000 {
  20                 compatible = "microchip,pic32mzda-sdhci";
  21                 reg = <0x1f8ec000 0x100>;
  22                 interrupts = <191 IRQ_TYPE_LEVEL_HIGH>;
  23                 clocks = <&rootclk REF4CLK>, <&rootclk PB5CLK>;
  24                 clock-names = "base_clk", "sys_clk";
  25                 bus-width = <4>;
  26                 cap-sd-highspeed;
  27                 pinctrl-names = "default";
  28                 pinctrl-0 = <&pinctrl_sdhc1>;
  29         };