| Message ID | 20190731153529.30159-5-glaroque@baylibre.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add support of New Amlogic temperature sensor for G12 SoCs | expand |
Hi Guillaume, On Wed, Jul 31, 2019 at 5:36 PM Guillaume La Roque <glaroque@baylibre.com> wrote: > > Add minimal thermal zone for DDR and CPU sensor so high DDR (controller?) temperatures will throttle Mali and high PLL temperatures will throttle the CPU? to get things started I'm fine with this, but I think it should be mentioned here > Signed-off-by: Guillaume La Roque <glaroque@baylibre.com> > --- > .../boot/dts/amlogic/meson-g12a-sei510.dts | 56 +++++++++++++++++++ > 1 file changed, 56 insertions(+) > > diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts b/arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts > index 979449968a5f..2c16a2cba0a3 100644 > --- a/arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts > +++ b/arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts > @@ -10,6 +10,7 @@ > #include <dt-bindings/input/input.h> > #include <dt-bindings/gpio/meson-g12a-gpio.h> > #include <dt-bindings/sound/meson-g12a-tohdmitx.h> > +#include <dt-bindings/thermal/thermal.h> > > / { > compatible = "seirobotics,sei510", "amlogic,g12a"; > @@ -33,6 +34,53 @@ > ethernet0 = ðmac; > }; > > + thermal-zones { > + cpu-thermal { > + polling-delay = <1000>; > + polling-delay-passive = <100>; > + thermal-sensors = <&cpu_temp>; > + > + trips { > + cpu_critical: cpu-critical { > + temperature = <110000>; /* millicelsius */ > + hysteresis = <2000>; /* millicelsius */ > + type = "critical"; > + }; > + }; > + > + cooling-maps { > + map { > + trip = <&cpu_critical>; > + cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, > + <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, > + <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, > + <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; > + }; > + }; > + }; > + > + ddr-thermal { > + polling-delay = <1000>; > + polling-delay-passive = <100>; > + thermal-sensors = <&ddr_temp>; > + > + trips { > + ddr_critical: ddr-critical { > + temperature = <110000>; /* millicelsius */ > + hysteresis = <2000>; /* millicelsius */ > + type = "critical"; > + }; > + }; > + > + cooling-maps { > + map { > + trip = <&ddr_critical>; > + cooling-device = <&mali THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; > + }; > + }; > + }; > + }; > + > mono_dac: audio-codec-0 { > compatible = "maxim,max98357a"; > #sound-dai-cells = <0>; > @@ -321,6 +369,7 @@ > operating-points-v2 = <&cpu_opp_table>; > clocks = <&clkc CLKID_CPU_CLK>; > clock-latency = <50000>; > + #cooling-cells = <2>; > }; > > &cpu1 { > @@ -328,6 +377,7 @@ > operating-points-v2 = <&cpu_opp_table>; > clocks = <&clkc CLKID_CPU_CLK>; > clock-latency = <50000>; > + #cooling-cells = <2>; > }; > > &cpu2 { > @@ -335,6 +385,7 @@ > operating-points-v2 = <&cpu_opp_table>; > clocks = <&clkc CLKID_CPU_CLK>; > clock-latency = <50000>; > + #cooling-cells = <2>; > }; > > &cpu3 { > @@ -342,6 +393,7 @@ > operating-points-v2 = <&cpu_opp_table>; > clocks = <&clkc CLKID_CPU_CLK>; > clock-latency = <50000>; > + #cooling-cells = <2>; > }; > > &cvbs_vdac_port { > @@ -368,6 +420,10 @@ > status = "okay"; > }; > > +&mali { > + #cooling-cells = <2>; > +}; is there something device-specific in this patch? I'm wondering whether we can move all of this go g12a.dtsi to simplify maintenance in the future Martin
Hi Martin, On 8/3/19 8:29 PM, Martin Blumenstingl wrote: > Hi Guillaume, > > On Wed, Jul 31, 2019 at 5:36 PM Guillaume La Roque > <glaroque@baylibre.com> wrote: >> Add minimal thermal zone for DDR and CPU sensor > so high DDR (controller?) temperatures will throttle Mali and high PLL > temperatures will throttle the CPU? > to get things started I'm fine with this, but I think it should be > mentioned here i will add in commit description > >> Signed-off-by: Guillaume La Roque <glaroque@baylibre.com> >> --- >> .../boot/dts/amlogic/meson-g12a-sei510.dts | 56 +++++++++++++++++++ >> 1 file changed, 56 insertions(+) >> >> diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts b/arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts >> index 979449968a5f..2c16a2cba0a3 100644 >> --- a/arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts >> +++ b/arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts >> @@ -10,6 +10,7 @@ >> #include <dt-bindings/input/input.h> >> #include <dt-bindings/gpio/meson-g12a-gpio.h> >> #include <dt-bindings/sound/meson-g12a-tohdmitx.h> >> +#include <dt-bindings/thermal/thermal.h> >> >> / { >> compatible = "seirobotics,sei510", "amlogic,g12a"; >> @@ -33,6 +34,53 @@ >> ethernet0 = ðmac; >> }; >> >> + thermal-zones { >> + cpu-thermal { >> + polling-delay = <1000>; >> + polling-delay-passive = <100>; >> + thermal-sensors = <&cpu_temp>; >> + >> + trips { >> + cpu_critical: cpu-critical { >> + temperature = <110000>; /* millicelsius */ >> + hysteresis = <2000>; /* millicelsius */ >> + type = "critical"; >> + }; >> + }; >> + >> + cooling-maps { >> + map { >> + trip = <&cpu_critical>; >> + cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, >> + <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, >> + <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, >> + <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; >> + }; >> + }; >> + }; >> + >> + ddr-thermal { >> + polling-delay = <1000>; >> + polling-delay-passive = <100>; >> + thermal-sensors = <&ddr_temp>; >> + >> + trips { >> + ddr_critical: ddr-critical { >> + temperature = <110000>; /* millicelsius */ >> + hysteresis = <2000>; /* millicelsius */ >> + type = "critical"; >> + }; >> + }; >> + >> + cooling-maps { >> + map { >> + trip = <&ddr_critical>; >> + cooling-device = <&mali THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; >> + }; >> + }; >> + }; >> + }; >> + >> mono_dac: audio-codec-0 { >> compatible = "maxim,max98357a"; >> #sound-dai-cells = <0>; >> @@ -321,6 +369,7 @@ >> operating-points-v2 = <&cpu_opp_table>; >> clocks = <&clkc CLKID_CPU_CLK>; >> clock-latency = <50000>; >> + #cooling-cells = <2>; >> }; >> >> &cpu1 { >> @@ -328,6 +377,7 @@ >> operating-points-v2 = <&cpu_opp_table>; >> clocks = <&clkc CLKID_CPU_CLK>; >> clock-latency = <50000>; >> + #cooling-cells = <2>; >> }; >> >> &cpu2 { >> @@ -335,6 +385,7 @@ >> operating-points-v2 = <&cpu_opp_table>; >> clocks = <&clkc CLKID_CPU_CLK>; >> clock-latency = <50000>; >> + #cooling-cells = <2>; >> }; >> >> &cpu3 { >> @@ -342,6 +393,7 @@ >> operating-points-v2 = <&cpu_opp_table>; >> clocks = <&clkc CLKID_CPU_CLK>; >> clock-latency = <50000>; >> + #cooling-cells = <2>; >> }; >> >> &cvbs_vdac_port { >> @@ -368,6 +420,10 @@ >> status = "okay"; >> }; >> >> +&mali { >> + #cooling-cells = <2>; >> +}; > is there something device-specific in this patch? I'm wondering > whether we can move all of this go g12a.dtsi to simplify maintenance > in the future this is depending of each board. actually it's same on all but if a new one have a fan this value should be different or not. > > > Martin thanks, Guillaume
diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts b/arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts index 979449968a5f..2c16a2cba0a3 100644 --- a/arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts +++ b/arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts @@ -10,6 +10,7 @@ #include <dt-bindings/input/input.h> #include <dt-bindings/gpio/meson-g12a-gpio.h> #include <dt-bindings/sound/meson-g12a-tohdmitx.h> +#include <dt-bindings/thermal/thermal.h> / { compatible = "seirobotics,sei510", "amlogic,g12a"; @@ -33,6 +34,53 @@ ethernet0 = ðmac; }; + thermal-zones { + cpu-thermal { + polling-delay = <1000>; + polling-delay-passive = <100>; + thermal-sensors = <&cpu_temp>; + + trips { + cpu_critical: cpu-critical { + temperature = <110000>; /* millicelsius */ + hysteresis = <2000>; /* millicelsius */ + type = "critical"; + }; + }; + + cooling-maps { + map { + trip = <&cpu_critical>; + cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; + }; + + ddr-thermal { + polling-delay = <1000>; + polling-delay-passive = <100>; + thermal-sensors = <&ddr_temp>; + + trips { + ddr_critical: ddr-critical { + temperature = <110000>; /* millicelsius */ + hysteresis = <2000>; /* millicelsius */ + type = "critical"; + }; + }; + + cooling-maps { + map { + trip = <&ddr_critical>; + cooling-device = <&mali THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; + }; + }; + mono_dac: audio-codec-0 { compatible = "maxim,max98357a"; #sound-dai-cells = <0>; @@ -321,6 +369,7 @@ operating-points-v2 = <&cpu_opp_table>; clocks = <&clkc CLKID_CPU_CLK>; clock-latency = <50000>; + #cooling-cells = <2>; }; &cpu1 { @@ -328,6 +377,7 @@ operating-points-v2 = <&cpu_opp_table>; clocks = <&clkc CLKID_CPU_CLK>; clock-latency = <50000>; + #cooling-cells = <2>; }; &cpu2 { @@ -335,6 +385,7 @@ operating-points-v2 = <&cpu_opp_table>; clocks = <&clkc CLKID_CPU_CLK>; clock-latency = <50000>; + #cooling-cells = <2>; }; &cpu3 { @@ -342,6 +393,7 @@ operating-points-v2 = <&cpu_opp_table>; clocks = <&clkc CLKID_CPU_CLK>; clock-latency = <50000>; + #cooling-cells = <2>; }; &cvbs_vdac_port { @@ -368,6 +420,10 @@ status = "okay"; }; +&mali { + #cooling-cells = <2>; +}; + &hdmi_tx { status = "okay"; pinctrl-0 = <&hdmitx_hpd_pins>, <&hdmitx_ddc_pins>;
Add minimal thermal zone for DDR and CPU sensor Signed-off-by: Guillaume La Roque <glaroque@baylibre.com> --- .../boot/dts/amlogic/meson-g12a-sei510.dts | 56 +++++++++++++++++++ 1 file changed, 56 insertions(+)