xref: /rk3399_rockchip-uboot/doc/device-tree-bindings/mmc/msm_sdhci.txt (revision 9d11d12a16d12caae7f9418322485392a5583423)
1*9d11d12aSMateusz KulikowskiQualcomm Snapdragon SDHCI controller
2*9d11d12aSMateusz Kulikowski
3*9d11d12aSMateusz KulikowskiRequired properties:
4*9d11d12aSMateusz Kulikowski- compatible : "qcom,sdhci-msm-v4"
5*9d11d12aSMateusz Kulikowski- reg: Base address and length of registers:
6*9d11d12aSMateusz Kulikowski	- Host controller registers (SDHCI)
7*9d11d12aSMateusz Kulikowski	- SD Core registers
8*9d11d12aSMateusz Kulikowski- clock: interface clock (must accept SD bus clock as a frequency)
9*9d11d12aSMateusz Kulikowski
10*9d11d12aSMateusz KulikowskiOptional properties:
11*9d11d12aSMateusz Kulikowski- index: If there is more than one controller - controller index (required
12*9d11d12aSMateusz Kulikowski	by generic SDHCI code).
13*9d11d12aSMateusz Kulikowski- bus_width: Width of SD/eMMC bus (default 4)
14*9d11d12aSMateusz Kulikowski- clock-frequency: Frequency of SD/eMMC bus (default 400 kHz)
15*9d11d12aSMateusz Kulikowski
16*9d11d12aSMateusz KulikowskiExample:
17*9d11d12aSMateusz Kulikowski
18*9d11d12aSMateusz Kulikowskisdhci@07864000 {
19*9d11d12aSMateusz Kulikowski	compatible = "qcom,sdhci-msm-v4";
20*9d11d12aSMateusz Kulikowski	reg = <0x7864900 0x11c 0x7864000 0x800>;
21*9d11d12aSMateusz Kulikowski	index = <0x1>;
22*9d11d12aSMateusz Kulikowski	bus-width = <0x4>;
23*9d11d12aSMateusz Kulikowski	clock = <&clkc 1>;
24*9d11d12aSMateusz Kulikowski	clock-frequency = <200000000>;
25*9d11d12aSMateusz Kulikowski};
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