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| author | Richard Zhu <hongxing.zhu@nxp.com> | 2020-10-14 10:09:37 +0800 |
|---|---|---|
| committer | Richard Zhu <hongxing.zhu@nxp.com> | 2020-10-15 10:23:59 +0800 |
| commit | 312c00b37d5e087cf7d8f09667111210ed402ee4 (patch) | |
| tree | dcc6dba5f75aee7ab88a20ed1a7ffc678310bd6f /arch/arm64/boot/dts/freescale/imx8mq-evk-root.dts | |
| parent | 1657a49e90e3c0642606522193bbad1add5b03b8 (diff) | |
MLK-16836 PCI: imx: add the bus freq sysfile interface
To support the bus freq power saving mode, add the sysfile interface.
Request bus high: echo 1 > /sys/devices/platform/xxxxxxxx.pcie/bus_freq
Release bus high: echo 0 > /sys/devices/platform/xxxxxxxx.pcie/bus_freq
Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
Reviewed-by: Fugang Duan <fugang.duan@nxp.com>
Diffstat (limited to 'arch/arm64/boot/dts/freescale/imx8mq-evk-root.dts')
0 files changed, 0 insertions, 0 deletions