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     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         };
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