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power: S905Y2 limit cpu and gpu freq to reduce HDMI TX consumption [1/1]

Browse Source 
PD#SWPL-4653

Problem:
optimize the S905Y2 power consumption

Solution:
limit CPU and GPU frequency, reduce hdmi tx consumption

Verify:
test pass on u221

Change-Id: I1d95068f8beb5616c9aeea91122b5233e479db8b
Signed-off-by: huijie.huang <huijie.huang@amlogic.com>
This commit is contained in:
huijie.huang
2019-02-28 19:02:42 +08:00
committed by Tao Zeng
parent d81ddb2107
commit 4562dc2c0b
2 changed files with 48 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files

36
arch/arm/boot/dts/amlogic/g12a_s905y2_u221.dts
View File

@@ -669,18 +669,20 @@
opp-hz = /bits/ 64 <1512000000>;
opp-microvolt = <831000>;
};
opp08 {
opp-hz = /bits/ 64 <1608000000>;
opp-microvolt = <871000>;
};
opp09 {
opp-hz = /bits/ 64 <1704000000>;
opp-microvolt = <921000>;
};
opp10 {
opp-hz = /bits/ 64 <1800000000>;
opp-microvolt = <981000>;
};
/*
* opp08 {
* opp-hz = /bits/ 64 <1608000000>;
* opp-microvolt = <871000>;
* };
* opp09 {
* opp-hz = /bits/ 64 <1704000000>;
* opp-microvolt = <921000>;
* };
* opp10 {
* opp-hz = /bits/ 64 <1800000000>;
* opp-microvolt = <981000>;
* };
*/
};
cpufreq-meson {
@@ -1298,3 +1300,13 @@
status = "okay";
};
&gpu{
/*max gpu is 500MHz*/
tbl = <&dvfs285_cfg
&dvfs400_cfg
&dvfs500_cfg>;
};
&amhdmitx {
dongle_mode = <1>;
};

36
arch/arm64/boot/dts/amlogic/g12a_s905y2_u221.dts
View File

@@ -667,18 +667,20 @@
opp-hz = /bits/ 64 <1512000000>;
opp-microvolt = <831000>;
};
opp08 {
opp-hz = /bits/ 64 <1608000000>;
opp-microvolt = <871000>;
};
opp09 {
opp-hz = /bits/ 64 <1704000000>;
opp-microvolt = <921000>;
};
opp10 {
opp-hz = /bits/ 64 <1800000000>;
opp-microvolt = <981000>;
};
/*
* opp08 {
* opp-hz = /bits/ 64 <1608000000>;
* opp-microvolt = <871000>;
* };
* opp09 {
* opp-hz = /bits/ 64 <1704000000>;
* opp-microvolt = <921000>;
* };
* opp10 {
* opp-hz = /bits/ 64 <1800000000>;
* opp-microvolt = <981000>;
* };
*/
};
cpufreq-meson {
@@ -1296,3 +1298,13 @@
status = "okay";
};
&gpu{
/*max gpu is 500MHz*/
tbl = <&dvfs285_cfg
&dvfs400_cfg
&dvfs500_cfg>;
};
&amhdmitx {
dongle_mode = <1>;
};