1 * Allwinner sunxi MMC controller
3 The highspeed MMC host controller on Allwinner SoCs provides an interface
4 for MMC, SD and SDIO types of memory cards.
6 Supported maximum speeds are the ones of the eMMC standard 4.5 as well
7 as the speed of SD standard 3.0.
8 Absolute maximum transfer rate is 200MB/s
11 - compatible : should be one of:
12 * "allwinner,sun4i-a10-mmc"
13 * "allwinner,sun5i-a13-mmc"
14 * "allwinner,sun7i-a20-mmc"
15 * "allwinner,sun9i-a80-mmc"
16 * "allwinner,sun50i-a64-emmc"
17 * "allwinner,sun50i-a64-mmc"
18 - reg : mmc controller base registers
19 - clocks : a list with 4 phandle + clock specifier pairs
20 - clock-names : must contain "ahb", "mmc", "output" and "sample"
21 - interrupts : mmc controller interrupt
24 - resets : phandle + reset specifier pair
25 - reset-names : must contain "ahb"
26 - for cd, bus-width and additional generic mmc parameters
27 please refer to mmc.txt within this directory
32 compatible = "allwinner,sun5i-a13-mmc";
33 reg = <0x01c0f000 0x1000>;
34 clocks = <&ahb_gates 8>, <&mmc0_clk>, <&mmc0_output_clk>, <&mmc0_sample_clk>;
35 clock-names = "ahb", "mod", "output", "sample";
36 interrupts = <0 32 4>;
42 pinctrl-names = "default", "default";
43 pinctrl-0 = <&mmc0_pins_a>;
44 pinctrl-1 = <&mmc0_cd_pin_reference_design>;
46 cd-gpios = <&pio 7 1 0>; /* PH1 */