xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/mmc/brcm,sdhci-brcmstb.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun* BROADCOM BRCMSTB/BMIPS SDHCI Controller
2*4882a593Smuzhiyun
3*4882a593SmuzhiyunThis file documents differences between the core properties in mmc.txt
4*4882a593Smuzhiyunand the properties used by the sdhci-brcmstb driver.
5*4882a593Smuzhiyun
6*4882a593SmuzhiyunNOTE: The driver disables all UHS speed modes by default and depends
7*4882a593Smuzhiyunon Device Tree properties to enable them for SoC/Board combinations
8*4882a593Smuzhiyunthat support them.
9*4882a593Smuzhiyun
10*4882a593SmuzhiyunRequired properties:
11*4882a593Smuzhiyun- compatible: should be one of the following
12*4882a593Smuzhiyun  - "brcm,bcm7425-sdhci"
13*4882a593Smuzhiyun  - "brcm,bcm7445-sdhci"
14*4882a593Smuzhiyun  - "brcm,bcm7216-sdhci"
15*4882a593Smuzhiyun
16*4882a593SmuzhiyunRefer to clocks/clock-bindings.txt for generic clock consumer properties.
17*4882a593Smuzhiyun
18*4882a593SmuzhiyunExample:
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun	sdhci@84b0000 {
21*4882a593Smuzhiyun		sd-uhs-sdr50;
22*4882a593Smuzhiyun		sd-uhs-ddr50;
23*4882a593Smuzhiyun		sd-uhs-sdr104;
24*4882a593Smuzhiyun		sdhci,auto-cmd12;
25*4882a593Smuzhiyun		compatible = "brcm,bcm7216-sdhci",
26*4882a593Smuzhiyun			   "brcm,bcm7445-sdhci",
27*4882a593Smuzhiyun			   "brcm,sdhci-brcmstb";
28*4882a593Smuzhiyun		reg = <0x84b0000 0x260 0x84b0300 0x200>;
29*4882a593Smuzhiyun		reg-names = "host", "cfg";
30*4882a593Smuzhiyun		interrupts = <0x0 0x26 0x4>;
31*4882a593Smuzhiyun		interrupt-names = "sdio0_0";
32*4882a593Smuzhiyun		clocks = <&scmi_clk 245>;
33*4882a593Smuzhiyun		clock-names = "sw_sdio";
34*4882a593Smuzhiyun	};
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun	sdhci@84b1000 {
37*4882a593Smuzhiyun		mmc-ddr-1_8v;
38*4882a593Smuzhiyun		mmc-hs200-1_8v;
39*4882a593Smuzhiyun		mmc-hs400-1_8v;
40*4882a593Smuzhiyun		mmc-hs400-enhanced-strobe;
41*4882a593Smuzhiyun		supports-cqe;
42*4882a593Smuzhiyun		non-removable;
43*4882a593Smuzhiyun		bus-width = <0x8>;
44*4882a593Smuzhiyun		compatible = "brcm,bcm7216-sdhci",
45*4882a593Smuzhiyun			   "brcm,bcm7445-sdhci",
46*4882a593Smuzhiyun			   "brcm,sdhci-brcmstb";
47*4882a593Smuzhiyun		reg = <0x84b1000 0x260 0x84b1300 0x200>;
48*4882a593Smuzhiyun		reg-names = "host", "cfg";
49*4882a593Smuzhiyun		interrupts = <0x0 0x27 0x4>;
50*4882a593Smuzhiyun		interrupt-names = "sdio1_0";
51*4882a593Smuzhiyun		clocks = <&scmi_clk 245>;
52*4882a593Smuzhiyun		clock-names = "sw_sdio";
53*4882a593Smuzhiyun	};
54