On 07/01/2020 6:00 pm, Anand Moon wrote:
Hi All,
On my rock960 I want to add power domain feature for pcie node using
following patch. [0] https://patchwork.kernel.org/patch/9322549/
I also tried to add some more cru to see below
but the power domain summary shows unsupported
Doesn't that just mean that the EHCI and PCIe drivers haven't enabled
RPM (or have explicitly disabled it)?
Robin.
# cat /sys/kernel/debug/pm_genpd/pm_genpd_summary
...
pd_sdioaudio off-0
/devices/platform/fe310000.dwmmc suspended
/devices/platform/ff8a0000.i2s suspended
pd_perihp on
/devices/platform/fe380000.usb unsupported
/devices/platform/fe3c0000.usb unsupported
/devices/platform/fe3a0000.usb suspended
/devices/platform/fe3e0000.usb suspended
/devices/platform/f8000000.pcie unsupported
pd_sd on
/devices/platform/fe320000.dwmmc active
pd_gmac off-0
...
can any one share more inputs.
----
@@ -1049,6 +1056,19 @@
<&cru SCLK_SDMMC>;
pm_qos = <&qos_sd>;
};
+ pd_perihp@RK3399_PD_PERIHP {
+ reg = <RK3399_PD_PERIHP>;
+ clocks = <&cru ACLK_PERIHP>,
+ <&cru SCLK_PCIEPHY_REF>,
+ <&cru ACLK_PERF_PCIE>,
+ <&cru ACLK_PCIE>,
+ <&cru PCLK_PCIE>,
+ <&cru SCLK_PCIE_PM>;
+ pm_qos = <&qos_perihp>,
+ <&qos_pcie>,
+ <&qos_usb_host0>,
+ <&qos_usb_host1>;
+ };
-Anand
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