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[ sunxi-current ] add new 1.2GHz/1.3v overclock overlay for H3

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5kft 2020-08-06 11:11:42 -07:00
parent b0331a80c9
commit e5cca8692f
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GPG Key ID: D8753DB99CEADE18
1 changed files with 44 additions and 6 deletions
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patch/kernel/sunxi-current/sunxi-h3-add-overclock.patch
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@ -1,15 +1,53 @@
diff --git a/arch/arm/boot/dts/overlay/Makefile b/arch/arm/boot/dts/overlay/Makefile
index d2e94f6b7..075d13757 100644
index d2e94f6b7..1a33e8f12 100644
--- a/arch/arm/boot/dts/overlay/Makefile
+++ b/arch/arm/boot/dts/overlay/Makefile
@@ -63,6 +63,7 @@ dtbo-$(CONFIG_MACH_SUN8I) += \
@@ -60,6 +60,8 @@ dtbo-$(CONFIG_MACH_SUN7I) += \
dtbo-$(CONFIG_MACH_SUN8I) += \
sun8i-h3-analog-codec.dtbo \
sun8i-h3-cir.dtbo \
+ sun8i-h3-cpu-clock-1.2GHz-1.3v.dtbo \
+ sun8i-h3-cpu-clock-1.3GHz-1.3v.dtbo \
sun8i-h3-i2c0.dtbo \
sun8i-h3-i2c1.dtbo \
sun8i-h3-i2c2.dtbo \
+ sun8i-h3-cpu-clock-1.3GHz-1.3v.dtbo \
sun8i-h3-pps-gpio.dtbo \
sun8i-h3-pwm.dtbo \
sun8i-h3-spdif-out.dtbo \
diff --git a/arch/arm/boot/dts/overlay/sun8i-h3-cpu-clock-1.2GHz-1.3v.dts b/arch/arm/boot/dts/overlay/sun8i-h3-cpu-clock-1.2GHz-1.3v.dts
new file mode 100644
index 000000000..b07e694c7
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/sun8i-h3-cpu-clock-1.2GHz-1.3v.dts
@@ -0,0 +1,31 @@
+// DT overlay for CPU frequency operating points to up to 1.2GHz at a maximum CPU voltage of 1.3v
+
+/dts-v1/;
+/plugin/;
+
+/ {
+ fragment@0 {
+ target = <&cpu0_opp_table>;
+
+ __overlay__ {
+ compatible = "operating-points-v2";
+ opp-shared;
+
+ // in order to match the existing DT cooling-maps, update the existing OP table in-place
+ // with the new voltages
+
+ opp-1104000000 {
+ opp-hz = /bits/ 64 <1104000000>;
+ opp-microvolt = <1300000 1300000 1300000>;
+ clock-latency-ns = <244144>; /* 8 32k periods */
+ };
+
+ opp-1200000000 {
+ opp-hz = /bits/ 64 <1200000000>;
+ opp-microvolt = <1300000 1300000 1300000>;
+ clock-latency-ns = <244144>; /* 8 32k periods */
+ };
+ };
+ };
+};
+
diff --git a/arch/arm/boot/dts/overlay/sun8i-h3-cpu-clock-1.3GHz-1.3v.dts b/arch/arm/boot/dts/overlay/sun8i-h3-cpu-clock-1.3GHz-1.3v.dts
new file mode 100644
index 000000000..ed0d9ac63