diff options
| author | Biju Das <biju.das@bp.renesas.com> | 2019-06-12 15:20:54 +0100 |
|---|---|---|
| committer | Simon Horman <horms+renesas@verge.net.au> | 2019-06-18 12:42:17 +0200 |
| commit | 06a928fb5805d1bb80a87c557ac487b916adc50d (patch) | |
| tree | cfb1d335330ca1bfaf9eb1ac6119cfa45f4f7248 /arch/arm64/boot/dts/renesas/r8a774a1.dtsi | |
| parent | 5f5249497bd7ed65d90cac36c3c3dabcda2903dd (diff) | |
| download | linux-06a928fb5805d1bb80a87c557ac487b916adc50d.tar.gz | |
arm64: dts: renesas: r8a774a1: Create thermal zone to support IPA
Setup a thermal zone driven by SoC temperature sensor. Create passive trip
points and bind them to CPUFreq cooling device that supports power
extension.
Based on work by Dien Pham <dien.pham.ry@renesas.com> for r8a7796 SoC.
Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Diffstat (limited to 'arch/arm64/boot/dts/renesas/r8a774a1.dtsi')
| -rw-r--r-- | arch/arm64/boot/dts/renesas/r8a774a1.dtsi | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/arch/arm64/boot/dts/renesas/r8a774a1.dtsi b/arch/arm64/boot/dts/renesas/r8a774a1.dtsi index 21fb7919d3bb..7d5e19c8cbd5 100644 --- a/arch/arm64/boot/dts/renesas/r8a774a1.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a774a1.dtsi @@ -138,6 +138,7 @@ clocks = <&cpg CPG_CORE R8A774A1_CLK_Z>; operating-points-v2 = <&cluster0_opp>; capacity-dmips-mhz = <1024>; + #cooling-cells = <2>; }; a57_1: cpu@1 { @@ -150,6 +151,7 @@ clocks = <&cpg CPG_CORE R8A774A1_CLK_Z>; operating-points-v2 = <&cluster0_opp>; capacity-dmips-mhz = <1024>; + #cooling-cells = <2>; }; a53_0: cpu@100 { @@ -159,6 +161,7 @@ power-domains = <&sysc R8A774A1_PD_CA53_CPU0>; next-level-cache = <&L2_CA53>; enable-method = "psci"; + #cooling-cells = <2>; clocks = <&cpg CPG_CORE R8A774A1_CLK_Z2>; operating-points-v2 = <&cluster1_opp>; capacity-dmips-mhz = <560>; @@ -2437,6 +2440,7 @@ polling-delay-passive = <250>; polling-delay = <1000>; thermal-sensors = <&tsc 0>; + sustainable-power = <3874>; trips { sensor1_crit: sensor1-crit { @@ -2451,6 +2455,7 @@ polling-delay-passive = <250>; polling-delay = <1000>; thermal-sensors = <&tsc 1>; + sustainable-power = <3874>; trips { sensor2_crit: sensor2-crit { @@ -2459,21 +2464,39 @@ type = "critical"; }; }; - }; sensor_thermal3: sensor-thermal3 { polling-delay-passive = <250>; polling-delay = <1000>; thermal-sensors = <&tsc 2>; + sustainable-power = <3874>; trips { + target: trip-point1 { + temperature = <100000>; + hysteresis = <1000>; + type = "passive"; + }; + sensor3_crit: sensor3-crit { temperature = <120000>; hysteresis = <1000>; type = "critical"; }; }; + cooling-maps { + map0 { + trip = <&target>; + cooling-device = <&a57_0 0 2>; + contribution = <1024>; + }; + map1 { + trip = <&target>; + cooling-device = <&a53_0 0 2>; + contribution = <1024>; + }; + }; }; }; |