148 lines
3.9 KiB
YAML
148 lines
3.9 KiB
YAML
# SPDX-License-Identifier: GPL-2.0-only
|
|
# Copyright (C) 2020 Renesas Electronics Corp.
|
|
%YAML 1.2
|
|
---
|
|
$id: http://devicetree.org/schemas/thermal/rcar-gen3-thermal.yaml#
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
|
|
|
title: Renesas R-Car Gen3 Thermal Sensor
|
|
|
|
description:
|
|
On most R-Car Gen3 and later SoCs, the thermal sensor controllers (TSC)
|
|
control the thermal sensors (THS) which are the analog circuits for
|
|
measuring temperature (Tj) inside the LSI.
|
|
|
|
maintainers:
|
|
- Niklas Söderlund <niklas.soderlund@ragnatech.se>
|
|
|
|
properties:
|
|
compatible:
|
|
enum:
|
|
- renesas,r8a774a1-thermal # RZ/G2M
|
|
- renesas,r8a774b1-thermal # RZ/G2N
|
|
- renesas,r8a774e1-thermal # RZ/G2H
|
|
- renesas,r8a7795-thermal # R-Car H3
|
|
- renesas,r8a7796-thermal # R-Car M3-W
|
|
- renesas,r8a77961-thermal # R-Car M3-W+
|
|
- renesas,r8a77965-thermal # R-Car M3-N
|
|
- renesas,r8a77980-thermal # R-Car V3H
|
|
- renesas,r8a779a0-thermal # R-Car V3U
|
|
- renesas,r8a779f0-thermal # R-Car S4-8
|
|
|
|
reg: true
|
|
|
|
interrupts:
|
|
items:
|
|
- description: TEMP1 interrupt
|
|
- description: TEMP2 interrupt
|
|
- description: TEMP3 interrupt
|
|
|
|
clocks:
|
|
maxItems: 1
|
|
|
|
power-domains:
|
|
maxItems: 1
|
|
|
|
resets:
|
|
maxItems: 1
|
|
|
|
"#thermal-sensor-cells":
|
|
const: 1
|
|
|
|
required:
|
|
- compatible
|
|
- reg
|
|
- clocks
|
|
- power-domains
|
|
- resets
|
|
- "#thermal-sensor-cells"
|
|
|
|
if:
|
|
properties:
|
|
compatible:
|
|
contains:
|
|
enum:
|
|
- renesas,r8a779a0-thermal
|
|
then:
|
|
properties:
|
|
reg:
|
|
items:
|
|
- description: TSC0 registers
|
|
- description: TSC1 registers
|
|
- description: TSC2 registers
|
|
- description: TSC3 registers
|
|
- description: TSC4 registers
|
|
else:
|
|
properties:
|
|
reg:
|
|
minItems: 2
|
|
items:
|
|
- description: TSC1 registers
|
|
- description: TSC2 registers
|
|
- description: TSC3 registers
|
|
if:
|
|
not:
|
|
properties:
|
|
compatible:
|
|
contains:
|
|
enum:
|
|
- renesas,r8a779f0-thermal
|
|
then:
|
|
required:
|
|
- interrupts
|
|
|
|
additionalProperties: false
|
|
|
|
examples:
|
|
- |
|
|
#include <dt-bindings/clock/r8a7795-cpg-mssr.h>
|
|
#include <dt-bindings/interrupt-controller/arm-gic.h>
|
|
#include <dt-bindings/power/r8a7795-sysc.h>
|
|
|
|
tsc: thermal@e6198000 {
|
|
compatible = "renesas,r8a7795-thermal";
|
|
reg = <0xe6198000 0x100>,
|
|
<0xe61a0000 0x100>,
|
|
<0xe61a8000 0x100>;
|
|
interrupts = <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>,
|
|
<GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>,
|
|
<GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>;
|
|
clocks = <&cpg CPG_MOD 522>;
|
|
power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
|
|
resets = <&cpg 522>;
|
|
#thermal-sensor-cells = <1>;
|
|
};
|
|
|
|
thermal-zones {
|
|
sensor_thermal: sensor-thermal {
|
|
polling-delay-passive = <250>;
|
|
polling-delay = <1000>;
|
|
thermal-sensors = <&tsc 0>;
|
|
|
|
trips {
|
|
sensor1_crit: sensor1-crit {
|
|
temperature = <90000>;
|
|
hysteresis = <2000>;
|
|
type = "critical";
|
|
};
|
|
};
|
|
};
|
|
};
|
|
- |
|
|
#include <dt-bindings/clock/r8a779a0-cpg-mssr.h>
|
|
#include <dt-bindings/interrupt-controller/arm-gic.h>
|
|
#include <dt-bindings/power/r8a779a0-sysc.h>
|
|
|
|
tsc_r8a779a0: thermal@e6190000 {
|
|
compatible = "renesas,r8a779a0-thermal";
|
|
reg = <0xe6190000 0x200>,
|
|
<0xe6198000 0x200>,
|
|
<0xe61a0000 0x200>,
|
|
<0xe61a8000 0x200>,
|
|
<0xe61b0000 0x200>;
|
|
clocks = <&cpg CPG_MOD 919>;
|
|
power-domains = <&sysc R8A779A0_PD_ALWAYS_ON>;
|
|
resets = <&cpg 919>;
|
|
#thermal-sensor-cells = <1>;
|
|
};
|