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authorDmitry Osipenko <digetx@gmail.com>2019-05-02 02:38:15 +0300
committerMyungJoo Ham <myungjoo.ham@samsung.com>2019-08-24 14:11:12 +0300
commitd196175ed8f45248b54bf5c2e7c05ac0e1e97d70 (patch)
treefab5249d3665fbebde83917bd2a4e1fda422a189 /drivers/devfreq/Kconfig
parent23601752911b5dac91207859e0ab77bd8c77545c (diff)
downloadlinux-d196175ed8f45248b54bf5c2e7c05ac0e1e97d70.tar.xz
PM / devfreq: Introduce driver for NVIDIA Tegra20
Add devfreq driver for NVIDIA Tegra20 SoC's. The driver periodically reads out Memory Controller counters and adjusts memory frequency based on the memory clients activity. Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com> Signed-off-by: Dmitry Osipenko <digetx@gmail.com> [Removed MAINTAINERS updates by MyungJoo so that it can be sent elsewhere.] Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Diffstat (limited to 'drivers/devfreq/Kconfig')
-rw-r--r--drivers/devfreq/Kconfig10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/devfreq/Kconfig b/drivers/devfreq/Kconfig
index 1091119c1d0a..f3b242987fd9 100644
--- a/drivers/devfreq/Kconfig
+++ b/drivers/devfreq/Kconfig
@@ -104,6 +104,16 @@ config ARM_TEGRA_DEVFREQ
It reads ACTMON counters of memory controllers and adjusts the
operating frequencies and voltages with OPP support.
+config ARM_TEGRA20_DEVFREQ
+ tristate "NVIDIA Tegra20 DEVFREQ Driver"
+ depends on (TEGRA_MC && TEGRA20_EMC) || COMPILE_TEST
+ select DEVFREQ_GOV_SIMPLE_ONDEMAND
+ select PM_OPP
+ help
+ This adds the DEVFREQ driver for the Tegra20 family of SoCs.
+ It reads Memory Controller counters and adjusts the operating
+ frequencies and voltages with OPP support.
+
config ARM_RK3399_DMC_DEVFREQ
tristate "ARM RK3399 DMC DEVFREQ Driver"
depends on ARCH_ROCKCHIP