Hi Krzysztof, On Thursday 25 February 2016 09:36 AM, Krzysztof Kozlowski wrote: > On 25.02.2016 12:27, Pankaj Dubey wrote: >> From: Alim Akhtar <alim.akh...@samsung.com> >> >> This patch adds tmu node, related temprature sensor and triping >> point data for Atlas cpu core found on exynos7 SoC. >> >> Signed-off-by: Alim Akhtar <alim.akh...@samsung.com> > > Yours Sob is missing. > > Cc-ed Lukasz Majewski. >
Due to some technical difficulty Alim posted via my account. He will re-spin this patch via his account soon. Thanks, Pankaj Dubey > Lukasz, > Your review or ack would be appreciated. > > >> --- >> .../boot/dts/exynos/exynos7-tmu-sensor-conf.dtsi | 25 +++++++++ >> .../arm64/boot/dts/exynos/exynos7-trip-points.dtsi | 55 >> ++++++++++++++++++++ >> arch/arm64/boot/dts/exynos/exynos7.dtsi | 20 +++++++ >> 3 files changed, 100 insertions(+) >> create mode 100644 arch/arm64/boot/dts/exynos/exynos7-tmu-sensor-conf.dtsi >> create mode 100644 arch/arm64/boot/dts/exynos/exynos7-trip-points.dtsi >> >> diff --git a/arch/arm64/boot/dts/exynos/exynos7-tmu-sensor-conf.dtsi >> b/arch/arm64/boot/dts/exynos/exynos7-tmu-sensor-conf.dtsi >> new file mode 100644 >> index 0000000..1d6dcf2 >> --- /dev/null >> +++ b/arch/arm64/boot/dts/exynos/exynos7-tmu-sensor-conf.dtsi >> @@ -0,0 +1,25 @@ >> +/* >> + * Device tree sources for Exynos7 TMU sensor configuration >> + * >> + * Copyright (c) 2016 Samsung Electronics Co., Ltd. >> + * http://www.samsung.com >> + * >> + * This program is free software; you can redistribute it and/or modify >> + * it under the terms of the GNU General Public License version 2 as >> + * published by the Free Software Foundation. >> + * >> + */ >> + >> +#include <dt-bindings/thermal/thermal_exynos.h> >> + >> +#thermal-sensor-cells = <0>; >> +samsung,tmu_gain = <9>; >> +samsung,tmu_reference_voltage = <17>; >> +samsung,tmu_noise_cancel_mode = <4>; >> +samsung,tmu_efuse_value = <75>; >> +samsung,tmu_min_efuse_value = <15>; >> +samsung,tmu_max_efuse_value = <100>; >> +samsung,tmu_first_point_trim = <25>; >> +samsung,tmu_second_point_trim = <85>; >> +samsung,tmu_default_temp_offset = <50>; >> +samsung,tmu_cal_type = <TYPE_ONE_POINT_TRIMMING>; >> diff --git a/arch/arm64/boot/dts/exynos/exynos7-trip-points.dtsi >> b/arch/arm64/boot/dts/exynos/exynos7-trip-points.dtsi >> new file mode 100644 >> index 0000000..3970545 >> --- /dev/null >> +++ b/arch/arm64/boot/dts/exynos/exynos7-trip-points.dtsi >> @@ -0,0 +1,55 @@ >> +/* >> + * Device tree sources for default Exynos7 thermal zone definition >> + * >> + * Copyright (c) 2016 Samsung Electronics Co., Ltd. >> + * http://www.samsung.com >> + * >> + * This program is free software; you can redistribute it and/or modify >> + * it under the terms of the GNU General Public License version 2 as >> + * published by the Free Software Foundation. >> + * >> + */ >> + >> +trips { >> + cpu-alert-0 { >> + temperature = <75000>; /* millicelsius */ >> + hysteresis = <10000>; /* millicelsius */ >> + type = "passive"; >> + }; >> + cpu-alert-1 { >> + temperature = <80000>; /* millicelsius */ >> + hysteresis = <10000>; /* millicelsius */ >> + type = "passive"; >> + }; >> + cpu-alert-2 { >> + temperature = <85000>; /* millicelsius */ >> + hysteresis = <10000>; /* millicelsius */ >> + type = "passive"; >> + }; >> + cpu-alert-3 { >> + temperature = <90000>; /* millicelsius */ >> + hysteresis = <10000>; /* millicelsius */ >> + type = "passive"; >> + }; >> + cpu-alert-4 { >> + temperature = <95000>; /* millicelsius */ >> + hysteresis = <10000>; /* millicelsius */ >> + type = "passive"; >> + }; >> + cpu-alert-5 { >> + temperature = <100000>; /* millicelsius */ >> + hysteresis = <10000>; /* millicelsius */ >> + type = "passive"; >> + }; >> + cpu-alert-6 { >> + temperature = <110000>; /* millicelsius */ >> + hysteresis = <10000>; /* millicelsius */ >> + type = "passive"; >> + }; >> + /* HW Trip point */ > > The comment looks unnecessary, all of these are HW trip points, right? > >> + cpu-crit-0 { >> + temperature = <115000>; /* millicelsius */ >> + hysteresis = <0>; /* millicelsius */ >> + type = "critical"; >> + }; >> +}; >> diff --git a/arch/arm64/boot/dts/exynos/exynos7.dtsi >> b/arch/arm64/boot/dts/exynos/exynos7.dtsi >> index c662f98..fc9d130 100644 >> --- a/arch/arm64/boot/dts/exynos/exynos7.dtsi >> +++ b/arch/arm64/boot/dts/exynos/exynos7.dtsi >> @@ -27,6 +27,7 @@ >> pinctrl6 = &pinctrl_fsys0; >> pinctrl7 = &pinctrl_fsys1; >> pinctrl8 = &pinctrl_bus1; >> + tmuctrl0 = &tmuctrl_0; > > Why the alias is needed? > >> }; >> >> cpus { >> @@ -538,6 +539,25 @@ >> clocks = <&clock_peric0 PCLK_PWM>; >> clock-names = "timers"; >> }; >> + >> + tmuctrl_0: tmu@10060000 { >> + compatible = "samsung,exynos7-tmu"; >> + reg = <0x10060000 0x200>; >> + interrupts = <0 108 0>; >> + clocks = <&clock_peris PCLK_TMU>, >> + <&clock_peris SCLK_TMU>; >> + clock-names = "tmu_apbif", "tmu_sclk"; >> + #include "exynos7-tmu-sensor-conf.dtsi" >> + }; >> + >> + thermal-zones { >> + atlas_thermal: atlas-thermal { > > The atlas is a Exynos7 specific codename. The name of node should be a > general class of the device, so maybe: > atlas_thermal: cluster0-thermal > ? > > Best regards, > Krzysztof >
