On 17/12/2020 19:06, Dmitry Osipenko wrote:
Enable CPU voltage scaling and thermal throttling on Tegra30 Cardhu board.
Signed-off-by: Dmitry Osipenko digetx@gmail.com
Same comments as 47/48
arch/arm/boot/dts/tegra30-cardhu.dtsi | 61 ++++++++++++++++++++++++++- 1 file changed, 60 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/tegra30-cardhu.dtsi b/arch/arm/boot/dts/tegra30-cardhu.dtsi index d74c9ca78a7f..08c0ea4e6228 100644 --- a/arch/arm/boot/dts/tegra30-cardhu.dtsi +++ b/arch/arm/boot/dts/tegra30-cardhu.dtsi @@ -1,6 +1,9 @@ // SPDX-License-Identifier: GPL-2.0 #include <dt-bindings/input/input.h> +#include <dt-bindings/thermal/thermal.h> #include "tegra30.dtsi" +#include "tegra30-cpu-opp.dtsi" +#include "tegra30-cpu-opp-microvolt.dtsi"
/**
- This file contains common DT entry for all fab version of Cardhu.
@@ -339,12 +342,13 @@ ldo8_reg: ldo8 { }; };
temperature-sensor@4c {
nct1008: temperature-sensor@4c { compatible = "onnn,nct1008"; reg = <0x4c>; vcc-supply = <&sys_3v3_reg>; interrupt-parent = <&gpio>; interrupts = <TEGRA_GPIO(CC, 2) IRQ_TYPE_LEVEL_LOW>;
#thermal-sensor-cells = <1>;
};
vdd_core: tps62361@60 {
@@ -438,6 +442,29 @@ clk32k_in: clock@0 { #clock-cells = <0>; };
- cpus {
cpu0: cpu@0 {
cpu-supply = <&vddctrl_reg>;
operating-points-v2 = <&cpu0_opp_table>;
#cooling-cells = <2>;
};
cpu@1 {
cpu-supply = <&vddctrl_reg>;
operating-points-v2 = <&cpu0_opp_table>;
};
cpu@2 {
cpu-supply = <&vddctrl_reg>;
operating-points-v2 = <&cpu0_opp_table>;
};
cpu@3 {
cpu-supply = <&vddctrl_reg>;
operating-points-v2 = <&cpu0_opp_table>;
};
- };
- panel: panel { compatible = "chunghwa,claa101wb01"; ddc-i2c-bus = <&panelddc>;
@@ -617,6 +644,38 @@ sound { <&tegra_car TEGRA30_CLK_EXTERN1>; };
- thermal-zones {
cpu-thermal {
polling-delay-passive = <1000>; /* milliseconds */
polling-delay = <5000>; /* milliseconds */
thermal-sensors = <&nct1008 1>;
trips {
trip0: cpu-alert0 {
/* throttle at 57C until temperature drops to 56.8C */
temperature = <57000>;
hysteresis = <200>;
type = "passive";
};
trip1: cpu-crit {
/* shut down at 60C */
temperature = <60000>;
hysteresis = <2000>;
type = "critical";
};
};
cooling-maps {
map0 {
trip = <&trip0>;
cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
};
};
};
- };
- gpio-keys { compatible = "gpio-keys";