Odroid C2: Enable DVFS for cpu
Subsystems (2)
cover Odroid C2: Enable DVFS for cpu
This patch enable DVFS on GXBB Odroid C2.
DVFS has been tested by running the arm64 cpuburn
[1] https://github.com/ssvb/cpuburn-arm/blob/master/cpuburn-a53.S
PM-QA testing
[2] https://git.linaro.org/power/pm-qa.git [cpufreq testcase]
Tested on latest U-Boot 2019.07-1 (Aug 01 2019 - 23:58:01 +0000) Arch Linux ARM
Patch based on my linu-next-20190904 on top of my previous patch's.
Best Regards
-Anand
Anand Moon (1):
arm64: dts: meson: odroid-c2: Enable SCPI DVFS for cpu
arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
Signature · 1 line
2.23.0
RFC 1/1 arm64: dts: meson: odroid-c2: Enable SCPI DVFS for cpu
Enable System Control and Power Interface, DVFS for cpu with setting 1.54 GHz as max freq in the initial SCPI tables loaded by the BL2, i.e. packed with U-Boot.
---
In discuss on other mailing list thread below.
[0] https://lkml.org/lkml/2019/8/30/186
Tested on mainline U-Boot 2019.07-1 (Aug 01 2019 - 23:58:01 +0000) Arch Linux ARM on archlinux distro.
--- arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts +1 -1
@@ -307,7 +307,7 @@ }; &scpi_clocks { - status = "disabled"; + status = "okay"; }; /* SD */
Signature · 1 line
2.23.0