mediatek: filogic: add support for hw i2c, pwm and thermal

Add support for hardware I2C and PWM units found in the Filogic SoCs
as well as the CPU thermal support.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

1 files changed, 121 insertions, 1 deletions

diff --git a/target/linux/mediatek/files-5.15/arch/arm64/boot/dts/mediatek/mt7986a.dtsi b/target/linux/mediatek/files-5.15/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
index e135fee35a..ade4cebbd5 100644
--- a/target/linux/mediatek/files-5.15/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
+++ b/target/linux/mediatek/files-5.15/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
@@ -9,6 +9,7 @@
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/phy/phy.h>
 #include <dt-bindings/reset/mt7986-resets.h>
+#include <dt-bindings/thermal/thermal.h>
 
 / {
 	interrupt-parent = <&gic>;
@@ -199,6 +200,20 @@
 			status = "okay";
 		};
 
+		pwm: pwm@10048000 {
+			compatible = "mediatek,mt7986-pwm";
+			reg = <0 0x10048000 0 0x1000>;
+			#clock-cells = <1>;
+			#pwm-cells = <2>;
+			interrupts = <GIC_SPI 137 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&topckgen CLK_TOP_PWM_SEL>,
+				 <&infracfg CLK_INFRA_PWM_BSEL>,
+				 <&infracfg CLK_INFRA_PWM1_CK>,
+				 <&infracfg CLK_INFRA_PWM2_CK>;
+			clock-names = "top", "main", "pwm1", "pwm2";
+			status = "disabled";
+		};
+
 		uart0: serial@11002000 {
 			compatible = "mediatek,mt7986-uart",
 				     "mediatek,mt6577-uart";
@@ -240,6 +255,20 @@
 			status = "disabled";
 		};
 
+		i2c0: i2c@11008000 {
+			compatible = "mediatek,mt7986-i2c";
+			reg = <0 0x11008000 0 0x90>,
+			      <0 0x10217080 0 0x80>;
+			interrupts = <GIC_SPI 136 IRQ_TYPE_LEVEL_HIGH>;
+			clock-div = <5>;
+			clocks = <&infracfg CLK_INFRA_I2C0_CK>,
+				 <&infracfg CLK_INFRA_AP_DMA_CK>;
+			clock-names = "main", "dma";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
 		spi0: spi@1100a000 {
 			compatible = "mediatek,mt7986-spi-ipm", "mediatek,spi-ipm";
 			reg = <0 0x1100a000 0 0x100>;
@@ -264,6 +293,16 @@
 			status = "disabled";
 		};
 
+		auxadc: adc@1100d000 {
+			compatible = "mediatek,mt7986-auxadc",
+				     "mediatek,mt7622-auxadc";
+			reg = <0 0x1100d000 0 0x1000>;
+			clocks = <&infracfg CLK_INFRA_ADC_26M_CK>,
+				 <&infracfg CLK_INFRA_ADC_FRC_CK>;
+			clock-names = "main", "32k";
+			#io-channel-cells = <1>;
+		};
+
 		ssusb: usb@11200000 {
 			compatible = "mediatek,mt7986-xhci",
 				     "mediatek,mtk-xhci";
@@ -304,6 +343,21 @@
 			status = "disabled";
 		};
 
+		thermal: thermal@1100c800 {
+			#thermal-sensor-cells = <1>;
+			compatible = "mediatek,mt7986-thermal";
+			reg = <0 0x1100c800 0 0x800>;
+			interrupts = <GIC_SPI 138 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&infracfg CLK_INFRA_THERM_CK>,
+				 <&infracfg CLK_INFRA_ADC_26M_CK>,
+				 <&infracfg CLK_INFRA_ADC_FRC_CK>;
+			clock-names = "therm", "auxadc", "adc_32k";
+			mediatek,auxadc = <&auxadc>;
+			mediatek,apmixedsys = <&apmixedsys>;
+			nvmem-cells = <&thermal_calibration>;
+			nvmem-cell-names = "calibration-data";
+		};
+
 		pcie: pcie@11280000 {
 			compatible = "mediatek,mt7986-pcie",
 				     "mediatek,mt8192-pcie";
@@ -373,7 +427,6 @@
 			};
 		};
 
-
 		efuse: efuse@11d00000 {
 			compatible = "mediatek,mt7986-efuse",
 				     "mediatek,efuse";
@@ -609,4 +662,71 @@
 		};
 	};
 
+	fan: pwm-fan {
+		compatible = "pwm-fan";
+		/* cooling level (0, 1, 2) : (0% duty, 50% duty, 100% duty) */
+		cooling-levels = <0 128 255>;
+		#cooling-cells = <2>;
+		status = "disabled";
+	};
+
+	thermal-zones {
+		cpu_thermal: cpu-thermal {
+			polling-delay-passive = <1000>;
+			polling-delay = <1000>;
+			thermal-sensors = <&thermal 0>;
+			trips {
+				cpu_trip_crit: crit {
+					temperature = <125000>;
+					hysteresis = <2000>;
+					type = "critical";
+				};
+
+				cpu_trip_hot: hot {
+					temperature = <120000>;
+					hysteresis = <2000>;
+					type = "hot";
+				};
+
+				cpu_trip_active_high: active-high {
+					temperature = <115000>;
+					hysteresis = <2000>;
+					type = "active";
+				};
+
+				cpu_trip_active_low: active-low {
+					temperature = <85000>;
+					hysteresis = <2000>;
+					type = "active";
+				};
+
+				cpu_trip_passive: passive {
+					temperature = <40000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+			};
+
+			cooling-maps {
+				cpu-active-high {
+					/* active: set fan to cooling level 2 */
+					cooling-device = <&fan 2 2>;
+					trip = <&cpu_trip_active_high>;
+				};
+
+				cpu-active-low {
+					/* active: set fan to cooling level 1 */
+					cooling-device = <&fan 1 1>;
+					trip = <&cpu_trip_active_low>;
+				};
+
+				cpu-passive {
+					/* passive: set fan to cooling level 0 */
+					cooling-device = <&fan 0 0>;
+					trip = <&cpu_trip_passive>;
+				};
+			};
+
+		};
+	};
 };