mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-06 05:04:26 +00:00
26 lines
690 B
Text
26 lines
690 B
Text
|
Qualcomm Snapdragon SDHCI controller
|
||
|
|
|
||
|
|
Required properties:
|
||
|
|
- compatible : "qcom,sdhci-msm-v4"
|
||
|
|
- reg: Base address and length of registers:
|
||
|
|
- Host controller registers (SDHCI)
|
||
|
|
- SD Core registers
|
||
|
|
- clock: interface clock (must accept SD bus clock as a frequency)
|
||
|
|
|
||
|
|
Optional properties:
|
||
|
|
- index: If there is more than one controller - controller index (required
|
||
|
|
by generic SDHCI code).
|
||
|
|
- bus_width: Width of SD/eMMC bus (default 4)
|
||
|
|
- clock-frequency: Frequency of SD/eMMC bus (default 400 kHz)
|
||
|
|
|
||
|
|
Example:
|
||
|
|
|
||
|
|
sdhci@07864000 {
|
||
|
|
compatible = "qcom,sdhci-msm-v4";
|
||
|
|
reg = <0x7864900 0x11c 0x7864000 0x800>;
|
||
|
|
index = <0x1>;
|
||
|
|
bus-width = <0x4>;
|
||
|
|
clock = <&clkc 1>;
|
||
|
|
clock-frequency = <200000000>;
|
||
|
|
};
|