mediatek: backport a hell of thermal commits
[openwrt/staging/dangole.git] / target / linux / mediatek / patches-6.1 / 830-v6.4-07-dt-bindings-thermal-mediatek-Add-LVTS-thermal-contro.patch
diff --git a/target/linux/mediatek/patches-6.1/830-v6.4-07-dt-bindings-thermal-mediatek-Add-LVTS-thermal-contro.patch b/target/linux/mediatek/patches-6.1/830-v6.4-07-dt-bindings-thermal-mediatek-Add-LVTS-thermal-contro.patch
new file mode 100644 (file)
index 0000000..b6a5f64
--- /dev/null
@@ -0,0 +1,186 @@
+From 498e2f7a6e69dcbca24715de2b4b97569fdfeff4 Mon Sep 17 00:00:00 2001
+From: Balsam CHIHI <bchihi@baylibre.com>
+Date: Thu, 9 Feb 2023 11:56:24 +0100
+Subject: [PATCH] dt-bindings: thermal: mediatek: Add LVTS thermal controllers
+
+Add LVTS thermal controllers dt-binding definition for mt8192 and mt8195.
+
+Signed-off-by: Balsam CHIHI <bchihi@baylibre.com>
+Reviewed-by: Rob Herring <robh@kernel.org>
+Link: https://lore.kernel.org/r/20230209105628.50294-3-bchihi@baylibre.com
+Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
+Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
+---
+ .../thermal/mediatek,lvts-thermal.yaml        | 142 ++++++++++++++++++
+ .../thermal/mediatek,lvts-thermal.h           |  19 +++
+ 2 files changed, 161 insertions(+)
+ create mode 100644 Documentation/devicetree/bindings/thermal/mediatek,lvts-thermal.yaml
+ create mode 100644 include/dt-bindings/thermal/mediatek,lvts-thermal.h
+
+--- /dev/null
++++ b/Documentation/devicetree/bindings/thermal/mediatek,lvts-thermal.yaml
+@@ -0,0 +1,142 @@
++# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
++%YAML 1.2
++---
++$id: http://devicetree.org/schemas/thermal/mediatek,lvts-thermal.yaml#
++$schema: http://devicetree.org/meta-schemas/core.yaml#
++
++title: MediaTek SoC Low Voltage Thermal Sensor (LVTS)
++
++maintainers:
++  - Balsam CHIHI <bchihi@baylibre.com>
++
++description: |
++  LVTS is a thermal management architecture composed of three subsystems,
++  a Sensing device - Thermal Sensing Micro Circuit Unit (TSMCU),
++  a Converter - Low Voltage Thermal Sensor converter (LVTS), and
++  a Digital controller (LVTS_CTRL).
++
++properties:
++  compatible:
++    enum:
++      - mediatek,mt8192-lvts-ap
++      - mediatek,mt8192-lvts-mcu
++      - mediatek,mt8195-lvts-ap
++      - mediatek,mt8195-lvts-mcu
++
++  reg:
++    maxItems: 1
++
++  interrupts:
++    maxItems: 1
++
++  clocks:
++    maxItems: 1
++
++  resets:
++    maxItems: 1
++    description: LVTS reset for clearing temporary data on AP/MCU.
++
++  nvmem-cells:
++    minItems: 1
++    items:
++      - description: Calibration eFuse data 1 for LVTS
++      - description: Calibration eFuse data 2 for LVTS
++
++  nvmem-cell-names:
++    minItems: 1
++    items:
++      - const: lvts-calib-data-1
++      - const: lvts-calib-data-2
++
++  "#thermal-sensor-cells":
++    const: 1
++
++allOf:
++  - $ref: thermal-sensor.yaml#
++
++  - if:
++      properties:
++        compatible:
++          contains:
++            enum:
++              - mediatek,mt8192-lvts-ap
++              - mediatek,mt8192-lvts-mcu
++    then:
++      properties:
++        nvmem-cells:
++          maxItems: 1
++
++        nvmem-cell-names:
++          maxItems: 1
++
++  - if:
++      properties:
++        compatible:
++          contains:
++            enum:
++              - mediatek,mt8195-lvts-ap
++              - mediatek,mt8195-lvts-mcu
++    then:
++      properties:
++        nvmem-cells:
++          minItems: 2
++
++        nvmem-cell-names:
++          minItems: 2
++
++required:
++  - compatible
++  - reg
++  - interrupts
++  - clocks
++  - resets
++  - nvmem-cells
++  - nvmem-cell-names
++  - "#thermal-sensor-cells"
++
++additionalProperties: false
++
++examples:
++  - |
++    #include <dt-bindings/interrupt-controller/arm-gic.h>
++    #include <dt-bindings/clock/mt8195-clk.h>
++    #include <dt-bindings/reset/mt8195-resets.h>
++    #include <dt-bindings/thermal/mediatek,lvts-thermal.h>
++
++    soc {
++      #address-cells = <2>;
++      #size-cells = <2>;
++
++      lvts_mcu: thermal-sensor@11278000 {
++        compatible = "mediatek,mt8195-lvts-mcu";
++        reg = <0 0x11278000 0 0x1000>;
++        interrupts = <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH 0>;
++        clocks = <&infracfg_ao CLK_INFRA_AO_THERM>;
++        resets = <&infracfg_ao MT8195_INFRA_RST4_THERM_CTRL_MCU_SWRST>;
++        nvmem-cells = <&lvts_efuse_data1 &lvts_efuse_data2>;
++        nvmem-cell-names = "lvts-calib-data-1", "lvts-calib-data-2";
++        #thermal-sensor-cells = <1>;
++      };
++    };
++
++    thermal_zones: thermal-zones {
++      cpu0-thermal {
++        polling-delay = <1000>;
++        polling-delay-passive = <250>;
++        thermal-sensors = <&lvts_mcu MT8195_MCU_LITTLE_CPU0>;
++
++        trips {
++          cpu0_alert: trip-alert {
++            temperature = <85000>;
++            hysteresis = <2000>;
++            type = "passive";
++          };
++
++          cpu0_crit: trip-crit {
++            temperature = <100000>;
++            hysteresis = <2000>;
++            type = "critical";
++          };
++        };
++      };
++    };
+--- /dev/null
++++ b/include/dt-bindings/thermal/mediatek,lvts-thermal.h
+@@ -0,0 +1,19 @@
++/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
++/*
++ * Copyright (c) 2023 MediaTek Inc.
++ * Author: Balsam CHIHI <bchihi@baylibre.com>
++ */
++
++#ifndef __MEDIATEK_LVTS_DT_H
++#define __MEDIATEK_LVTS_DT_H
++
++#define MT8195_MCU_BIG_CPU0     0
++#define MT8195_MCU_BIG_CPU1     1
++#define MT8195_MCU_BIG_CPU2     2
++#define MT8195_MCU_BIG_CPU3     3
++#define MT8195_MCU_LITTLE_CPU0  4
++#define MT8195_MCU_LITTLE_CPU1  5
++#define MT8195_MCU_LITTLE_CPU2  6
++#define MT8195_MCU_LITTLE_CPU3  7
++
++#endif /* __MEDIATEK_LVTS_DT_H */