Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit ccd2fdb1 authored by Taniya Das's avatar Taniya Das Committed by Gerrit - the friendly Code Review server
Browse files

clk: msm: clock-cpu: Add a new boolean property for PM Qos 



Support "qcom,enable-qos" property which is required when the cpu clocks
require to request a pm qos value while updating the PLL and root clock
generator during clock set rate.

CRs-Fixed: 973895
Change-Id: I3254f68a001ded267a3b0eb7934e1c8233463255
Signed-off-by: default avatarTaniya Das <tdas@codeaurora.org>
parent 676c9bc2

Documentation/devicetree/bindings/arm/msm/clock-cpu-titanium.txt

+3 −0
Original line number Original line Diff line number Diff line
@@ -46,6 +46,9 @@ Optional Properties: 
			If defined, the "safe_l" value column is required to be

			If defined, the "safe_l" value column is required to be

			defined along with speedX-bin-vY-cl as indicated in

			defined along with speedX-bin-vY-cl as indicated in

			below example.

			below example.

- qcom,enable-qos:      Boolean property to indicate the pm qos is required

			during set rate of the cluster clocks, which would not

			allow the cluster cores to go to low power mode.





Example:

Example:

	clock_cpu: qcom,cpu-clock-titanium@b116000 {

	clock_cpu: qcom,cpu-clock-titanium@b116000 {

drivers/clk/msm/clock-cpu-titanium.c

+4 −2
Original line number Original line Diff line number Diff line
@@ -1737,8 +1737,10 @@ static int clock_cpu_probe(struct platform_device *pdev) 
			cpumask_set_cpu(cpu, &a53_perf_clk.cpumask);

			cpumask_set_cpu(cpu, &a53_perf_clk.cpumask);

	}

	}





	if (of_property_read_bool(pdev->dev.of_node, "qcom,enable-qos")) {

		a53_pwr_clk.hw_low_power_ctrl = true;

		a53_pwr_clk.hw_low_power_ctrl = true;

		a53_perf_clk.hw_low_power_ctrl = true;

		a53_perf_clk.hw_low_power_ctrl = true;

	}





	debugfs_init(pdev);

	debugfs_init(pdev);