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Add orangepi zero cpufreqscaling

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This commit is contained in:
Igor Pecovnik 2017-09-04 19:39:41 +02:00
parent 925b859222
commit 506fa69515
1 changed files with 95 additions and 0 deletions
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95
patch/kernel/sun8i-dev/orangepi-zero-add-cpufreqscaling.path Normal file
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@ -0,0 +1,95 @@
diff --git a/arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts b/arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts
index 69b4a35..506c462 100644
--- a/arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts
+++ b/arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts
@@ -50,10 +50,11 @@
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/pinctrl/sun4i-a10.h>
+#include <dt-bindings/thermal/thermal.h>
/ {
model = "Xunlong Orange Pi Zero";
- compatible = "xunlong,orangepi-zero", "allwinner,sun8i-h2-plus";
+ compatible = "xunlong,orangepi-zero", "allwinner,sun8i-h3";
aliases {
serial0 = &uart0;
@@ -94,6 +95,77 @@
reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>;
post-power-on-delay-ms = <200>;
};
+
+ vdd_cpux: gpio-regulator {
+ compatible = "regulator-gpio";
+ regulator-name = "vdd-cpux";
+ regulator-type = "voltage";
+ regulator-boot-on;
+ regulator-always-on;
+ regulator-min-microvolt = <1100000>;
+ regulator-max-microvolt = <1300000>;
+ regulator-ramp-delay = <50>; /* 4ms */
+ gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>;
+ gpios-states = <0x1>;
+ states = <1100000 0x0
+ 1300000 0x1>;
+ };
+};
+
+&cpu0 {
+ operating-points = <
+ 1008000 1300000
+ 816000 1100000
+ 624000 1100000
+ 480000 1100000
+ 312000 1100000
+ 240000 1100000
+ 120000 1100000
+ >;
+ #cooling-cells = <2>;
+ cooling-min-level = <0>;
+ cooling-max-level = <6>;
+ cpu0-supply = <&vdd_cpux>;
+};
+
+&cpu_thermal {
+ trips {
+ cpu_warm: cpu_warm {
+ temperature = <65000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+ cpu_hot: cpu_hot {
+ temperature = <75000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+ cpu_very_hot: cpu_very_hot {
+ temperature = <90000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+ cpu_crit: cpu_crit {
+ temperature = <105000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
+
+ cooling-maps {
+ cpu_warm_limit_cpu {
+ trip = <&cpu_warm>;
+ cooling-device = <&cpu0 THERMAL_NO_LIMIT 1>;
+ };
+ cpu_hot_limit_cpu {
+ trip = <&cpu_hot>;
+ cooling-device = <&cpu0 2 3>;
+ };
+ cpu_very_hot_limit_cpu {
+ trip = <&cpu_very_hot>;
+ cooling-device = <&cpu0 5 THERMAL_NO_LIMIT>;
+ };
+ };
};
&ehci0 {