LX2160A TMU support for 5.5:

- Add TMU (Thermal Monitoring Unit) device node to enable thermal
    support on LX2160A SoC.
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Merge tag 'imx-dt64-tmu-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/dt

LX2160A TMU support for 5.5:
 - Add TMU (Thermal Monitoring Unit) device node to enable thermal
   support on LX2160A SoC.

* tag 'imx-dt64-tmu-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  arm64: dts: lx2160a: add tmu device node
  ARM: imx_v6_v7_defconfig: Enable CONFIG_DRM_MSM
  arm64: dts: imx8mn: Use correct clock for usdhc's ipg clk
  arm64: dts: imx8mm: Use correct clock for usdhc's ipg clk
  arm64: dts: imx8mq: Use correct clock for usdhc's ipg clk
  ARM: dts: imx7s: Correct GPT's ipg clock source
  ARM: dts: vf610-zii-scu4-aib: Specify 'i2c-mux-idle-disconnect'
  ARM: dts: imx6q-logicpd: Re-Enable SNVS power key
  arm64: dts: lx2160a: Correct CPU core idle state name
  arm64: dts: zii-ultra: fix ARM regulator states
  soc: imx: imx-scu: Getting UID from SCU should have response

Link: https://lore.kernel.org/r/20191105150315.15477-6-shawnguo@kernel.org
Signed-off-by: Olof Johansson <olof@lixom.net>

arch/arm/boot/dts/imx6-logicpd-som.dtsi

@@ -207,6 +207,10 @@
 	vin-supply = <&sw1c_reg>;
 };
 
+&snvs_poweroff {
+	status = "okay";
+};
+
 &iomuxc {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_hog>;

arch/arm/boot/dts/imx7s.dtsi

@@ -448,7 +448,7 @@
 				compatible = "fsl,imx7d-gpt", "fsl,imx6sx-gpt";
 				reg = <0x302d0000 0x10000>;
 				interrupts = <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>;
-				clocks = <&clks IMX7D_CLK_DUMMY>,
+				clocks = <&clks IMX7D_GPT1_ROOT_CLK>,
 					 <&clks IMX7D_GPT1_ROOT_CLK>;
 				clock-names = "ipg", "per";
 			};
@@ -457,7 +457,7 @@
 				compatible = "fsl,imx7d-gpt", "fsl,imx6sx-gpt";
 				reg = <0x302e0000 0x10000>;
 				interrupts = <GIC_SPI 54 IRQ_TYPE_LEVEL_HIGH>;
-				clocks = <&clks IMX7D_CLK_DUMMY>,
+				clocks = <&clks IMX7D_GPT2_ROOT_CLK>,
 					 <&clks IMX7D_GPT2_ROOT_CLK>;
 				clock-names = "ipg", "per";
 				status = "disabled";
@@ -467,7 +467,7 @@
 				compatible = "fsl,imx7d-gpt", "fsl,imx6sx-gpt";
 				reg = <0x302f0000 0x10000>;
 				interrupts = <GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>;
-				clocks = <&clks IMX7D_CLK_DUMMY>,
+				clocks = <&clks IMX7D_GPT3_ROOT_CLK>,
 					 <&clks IMX7D_GPT3_ROOT_CLK>;
 				clock-names = "ipg", "per";
 				status = "disabled";
@@ -477,7 +477,7 @@
 				compatible = "fsl,imx7d-gpt", "fsl,imx6sx-gpt";
 				reg = <0x30300000 0x10000>;
 				interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>;
-				clocks = <&clks IMX7D_CLK_DUMMY>,
+				clocks = <&clks IMX7D_GPT4_ROOT_CLK>,
 					 <&clks IMX7D_GPT4_ROOT_CLK>;
 				clock-names = "ipg", "per";
 				status = "disabled";

arch/arm/boot/dts/vf610-zii-scu4-aib.dts

@@ -592,6 +592,7 @@
 		#address-cells = <1>;
 		#size-cells = <0>;
 		reg = <0x70>;
+		i2c-mux-idle-disconnect;
 
 		sff0_i2c: i2c@1 {
 			#address-cells = <1>;
@@ -630,6 +631,7 @@
 		reg = <0x71>;
 		#address-cells = <1>;
 		#size-cells = <0>;
+		i2c-mux-idle-disconnect;
 
 		sff5_i2c: i2c@1 {
 			#address-cells = <1>;

arch/arm/configs/imx_v6_v7_defconfig

@@ -276,6 +276,7 @@ CONFIG_VIDEO_OV5640=m
 CONFIG_VIDEO_OV5645=m
 CONFIG_IMX_IPUV3_CORE=y
 CONFIG_DRM=y
+CONFIG_DRM_MSM=y
 CONFIG_DRM_PANEL_LVDS=y
 CONFIG_DRM_PANEL_SIMPLE=y
 CONFIG_DRM_PANEL_SEIKO_43WVF1G=y

arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi

@@ -6,6 +6,7 @@
 
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/thermal/thermal.h>
 
 /memreserve/ 0x80000000 0x00010000;
 
@@ -20,7 +21,7 @@
 		#size-cells = <0>;
 
 		// 8 clusters having 2 Cortex-A72 cores each
-		cpu@0 {
+		cpu0: cpu@0 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a72";
 			enable-method = "psci";
@@ -33,10 +34,11 @@
 			i-cache-line-size = <64>;
 			i-cache-sets = <192>;
 			next-level-cache = <&cluster0_l2>;
-			cpu-idle-states = <&cpu_pw20>;
+			cpu-idle-states = <&cpu_pw15>;
+			#cooling-cells = <2>;
 		};
 
-		cpu@1 {
+		cpu1: cpu@1 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a72";
 			enable-method = "psci";
@@ -49,10 +51,11 @@
 			i-cache-line-size = <64>;
 			i-cache-sets = <192>;
 			next-level-cache = <&cluster0_l2>;
-			cpu-idle-states = <&cpu_pw20>;
+			cpu-idle-states = <&cpu_pw15>;
+			#cooling-cells = <2>;
 		};
 
-		cpu@100 {
+		cpu100: cpu@100 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a72";
 			enable-method = "psci";
@@ -65,10 +68,11 @@
 			i-cache-line-size = <64>;
 			i-cache-sets = <192>;
 			next-level-cache = <&cluster1_l2>;
-			cpu-idle-states = <&cpu_pw20>;
+			cpu-idle-states = <&cpu_pw15>;
+			#cooling-cells = <2>;
 		};
 
-		cpu@101 {
+		cpu101: cpu@101 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a72";
 			enable-method = "psci";
@@ -81,10 +85,11 @@
 			i-cache-line-size = <64>;
 			i-cache-sets = <192>;
 			next-level-cache = <&cluster1_l2>;
-			cpu-idle-states = <&cpu_pw20>;
+			cpu-idle-states = <&cpu_pw15>;
+			#cooling-cells = <2>;
 		};
 
-		cpu@200 {
+		cpu200: cpu@200 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a72";
 			enable-method = "psci";
@@ -97,10 +102,11 @@
 			i-cache-line-size = <64>;
 			i-cache-sets = <192>;
 			next-level-cache = <&cluster2_l2>;
-			cpu-idle-states = <&cpu_pw20>;
+			cpu-idle-states = <&cpu_pw15>;
+			#cooling-cells = <2>;
 		};
 
-		cpu@201 {
+		cpu201: cpu@201 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a72";
 			enable-method = "psci";
@@ -113,10 +119,11 @@
 			i-cache-line-size = <64>;
 			i-cache-sets = <192>;
 			next-level-cache = <&cluster2_l2>;
-			cpu-idle-states = <&cpu_pw20>;
+			cpu-idle-states = <&cpu_pw15>;
+			#cooling-cells = <2>;
 		};
 
-		cpu@300 {
+		cpu300: cpu@300 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a72";
 			enable-method = "psci";
@@ -129,10 +136,11 @@
 			i-cache-line-size = <64>;
 			i-cache-sets = <192>;
 			next-level-cache = <&cluster3_l2>;
-			cpu-idle-states = <&cpu_pw20>;
+			cpu-idle-states = <&cpu_pw15>;
+			#cooling-cells = <2>;
 		};
 
-		cpu@301 {
+		cpu301: cpu@301 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a72";
 			enable-method = "psci";
@@ -145,10 +153,11 @@
 			i-cache-line-size = <64>;
 			i-cache-sets = <192>;
 			next-level-cache = <&cluster3_l2>;
-			cpu-idle-states = <&cpu_pw20>;
+			cpu-idle-states = <&cpu_pw15>;
+			#cooling-cells = <2>;
 		};
 
-		cpu@400 {
+		cpu400: cpu@400 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a72";
 			enable-method = "psci";
@@ -161,10 +170,11 @@
 			i-cache-line-size = <64>;
 			i-cache-sets = <192>;
 			next-level-cache = <&cluster4_l2>;
-			cpu-idle-states = <&cpu_pw20>;
+			cpu-idle-states = <&cpu_pw15>;
+			#cooling-cells = <2>;
 		};
 
-		cpu@401 {
+		cpu401: cpu@401 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a72";
 			enable-method = "psci";
@@ -177,10 +187,11 @@
 			i-cache-line-size = <64>;
 			i-cache-sets = <192>;
 			next-level-cache = <&cluster4_l2>;
-			cpu-idle-states = <&cpu_pw20>;
+			cpu-idle-states = <&cpu_pw15>;
+			#cooling-cells = <2>;
 		};
 
-		cpu@500 {
+		cpu500: cpu@500 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a72";
 			enable-method = "psci";
@@ -193,10 +204,11 @@
 			i-cache-line-size = <64>;
 			i-cache-sets = <192>;
 			next-level-cache = <&cluster5_l2>;
-			cpu-idle-states = <&cpu_pw20>;
+			cpu-idle-states = <&cpu_pw15>;
+			#cooling-cells = <2>;
 		};
 
-		cpu@501 {
+		cpu501: cpu@501 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a72";
 			enable-method = "psci";
@@ -209,10 +221,11 @@
 			i-cache-line-size = <64>;
 			i-cache-sets = <192>;
 			next-level-cache = <&cluster5_l2>;
-			cpu-idle-states = <&cpu_pw20>;
+			cpu-idle-states = <&cpu_pw15>;
+			#cooling-cells = <2>;
 		};
 
-		cpu@600 {
+		cpu600: cpu@600 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a72";
 			enable-method = "psci";
@@ -225,10 +238,11 @@
 			i-cache-line-size = <64>;
 			i-cache-sets = <192>;
 			next-level-cache = <&cluster6_l2>;
-			cpu-idle-states = <&cpu_pw20>;
+			cpu-idle-states = <&cpu_pw15>;
+			#cooling-cells = <2>;
 		};
 
-		cpu@601 {
+		cpu601: cpu@601 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a72";
 			enable-method = "psci";
@@ -241,10 +255,11 @@
 			i-cache-line-size = <64>;
 			i-cache-sets = <192>;
 			next-level-cache = <&cluster6_l2>;
-			cpu-idle-states = <&cpu_pw20>;
+			cpu-idle-states = <&cpu_pw15>;
+			#cooling-cells = <2>;
 		};
 
-		cpu@700 {
+		cpu700: cpu@700 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a72";
 			enable-method = "psci";
@@ -257,10 +272,11 @@
 			i-cache-line-size = <64>;
 			i-cache-sets = <192>;
 			next-level-cache = <&cluster7_l2>;
-			cpu-idle-states = <&cpu_pw20>;
+			cpu-idle-states = <&cpu_pw15>;
+			#cooling-cells = <2>;
 		};
 
-		cpu@701 {
+		cpu701: cpu@701 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a72";
 			enable-method = "psci";
@@ -273,7 +289,8 @@
 			i-cache-line-size = <64>;
 			i-cache-sets = <192>;
 			next-level-cache = <&cluster7_l2>;
-			cpu-idle-states = <&cpu_pw20>;
+			cpu-idle-states = <&cpu_pw15>;
+			#cooling-cells = <2>;
 		};
 
 		cluster0_l2: l2-cache0 {
@@ -340,9 +357,9 @@
 			cache-level = <2>;
 		};
 
-		cpu_pw20: cpu-pw20 {
+		cpu_pw15: cpu-pw15 {
 			compatible = "arm,idle-state";
-			idle-state-name = "PW20";
+			idle-state-name = "PW15";
 			arm,psci-suspend-param = <0x0>;
 			entry-latency-us = <2000>;
 			exit-latency-us = <2000>;
@@ -418,6 +435,51 @@
 		clock-output-names = "sysclk";
 	};
 
+	thermal-zones {
+		core_thermal1: core-thermal1 {
+			polling-delay-passive = <1000>;
+			polling-delay = <5000>;
+			thermal-sensors = <&tmu 0>;
+
+			trips {
+				core_cluster_alert: core-cluster-alert {
+					temperature = <85000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				core_cluster_crit: core-cluster-crit {
+					temperature = <95000>;
+					hysteresis = <2000>;
+					type = "critical";
+				};
+			};
+
+			cooling-maps {
+				map0 {
+					trip = <&core_cluster_alert>;
+					cooling-device =
+						<&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&cpu100 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&cpu101 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&cpu200 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&cpu201 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&cpu300 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&cpu301 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&cpu400 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&cpu401 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&cpu500 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&cpu501 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&cpu600 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&cpu601 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&cpu700 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&cpu701 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
+		};
+	};
+
 	soc {
 		compatible = "simple-bus";
 		#address-cells = <2>;
@@ -478,6 +540,20 @@
 			little-endian;
 		};
 
+		tmu: tmu@1f80000 {
+			compatible = "fsl,qoriq-tmu";
+			reg = <0x0 0x1f80000 0x0 0x10000>;
+			interrupts = <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>;
+			fsl,tmu-range = <0x800000e6 0x8001017d>;
+			fsl,tmu-calibration =
+				/* Calibration data group 1 */
+				<0x00000000 0x00000035
+				/* Calibration data group 2 */
+				0x00010001 0x00000154>;
+			little-endian;
+			#thermal-sensor-cells = <1>;
+		};
+
 		i2c0: i2c@2000000 {
 			compatible = "fsl,vf610-i2c";
 			#address-cells = <1>;

arch/arm64/boot/dts/freescale/imx8mm.dtsi

@@ -697,7 +697,7 @@
 				compatible = "fsl,imx8mm-usdhc", "fsl,imx7d-usdhc";
 				reg = <0x30b40000 0x10000>;
 				interrupts = <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>;
-				clocks = <&clk IMX8MM_CLK_DUMMY>,
+				clocks = <&clk IMX8MM_CLK_IPG_ROOT>,
 					 <&clk IMX8MM_CLK_NAND_USDHC_BUS>,
 					 <&clk IMX8MM_CLK_USDHC1_ROOT>;
 				clock-names = "ipg", "ahb", "per";
@@ -711,7 +711,7 @@
 				compatible = "fsl,imx8mm-usdhc", "fsl,imx7d-usdhc";
 				reg = <0x30b50000 0x10000>;
 				interrupts = <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>;
-				clocks = <&clk IMX8MM_CLK_DUMMY>,
+				clocks = <&clk IMX8MM_CLK_IPG_ROOT>,
 					 <&clk IMX8MM_CLK_NAND_USDHC_BUS>,
 					 <&clk IMX8MM_CLK_USDHC2_ROOT>;
 				clock-names = "ipg", "ahb", "per";
@@ -725,7 +725,7 @@
 				compatible = "fsl,imx8mm-usdhc", "fsl,imx7d-usdhc";
 				reg = <0x30b60000 0x10000>;
 				interrupts = <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>;
-				clocks = <&clk IMX8MM_CLK_DUMMY>,
+				clocks = <&clk IMX8MM_CLK_IPG_ROOT>,
 					 <&clk IMX8MM_CLK_NAND_USDHC_BUS>,
 					 <&clk IMX8MM_CLK_USDHC3_ROOT>;
 				clock-names = "ipg", "ahb", "per";

arch/arm64/boot/dts/freescale/imx8mn.dtsi

@@ -593,7 +593,7 @@
 				compatible = "fsl,imx8mn-usdhc", "fsl,imx7d-usdhc";
 				reg = <0x30b40000 0x10000>;
 				interrupts = <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>;
-				clocks = <&clk IMX8MN_CLK_DUMMY>,
+				clocks = <&clk IMX8MN_CLK_IPG_ROOT>,
 					 <&clk IMX8MN_CLK_NAND_USDHC_BUS>,
 					 <&clk IMX8MN_CLK_USDHC1_ROOT>;
 				clock-names = "ipg", "ahb", "per";
@@ -607,7 +607,7 @@
 				compatible = "fsl,imx8mn-usdhc", "fsl,imx7d-usdhc";
 				reg = <0x30b50000 0x10000>;
 				interrupts = <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>;
-				clocks = <&clk IMX8MN_CLK_DUMMY>,
+				clocks = <&clk IMX8MN_CLK_IPG_ROOT>,
 					 <&clk IMX8MN_CLK_NAND_USDHC_BUS>,
 					 <&clk IMX8MN_CLK_USDHC2_ROOT>;
 				clock-names = "ipg", "ahb", "per";
@@ -621,7 +621,7 @@
 				compatible = "fsl,imx8mn-usdhc", "fsl,imx7d-usdhc";
 				reg = <0x30b60000 0x10000>;
 				interrupts = <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>;
-				clocks = <&clk IMX8MN_CLK_DUMMY>,
+				clocks = <&clk IMX8MN_CLK_IPG_ROOT>,
 					 <&clk IMX8MN_CLK_NAND_USDHC_BUS>,
 					 <&clk IMX8MN_CLK_USDHC3_ROOT>;
 				clock-names = "ipg", "ahb", "per";

arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi

@@ -98,8 +98,8 @@
 		regulator-min-microvolt = <900000>;
 		regulator-max-microvolt = <1000000>;
 		gpios = <&gpio3 19 GPIO_ACTIVE_HIGH>;
-		states = <1000000 0x0
+		states = <1000000 0x1
-		           900000 0x1>;
+		           900000 0x0>;
 		regulator-always-on;
 	};
 };

arch/arm64/boot/dts/freescale/imx8mq.dtsi

@@ -864,7 +864,7 @@
 				             "fsl,imx7d-usdhc";
 				reg = <0x30b40000 0x10000>;
 				interrupts = <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>;
-				clocks = <&clk IMX8MQ_CLK_DUMMY>,
+				clocks = <&clk IMX8MQ_CLK_IPG_ROOT>,
 				         <&clk IMX8MQ_CLK_NAND_USDHC_BUS>,
 				         <&clk IMX8MQ_CLK_USDHC1_ROOT>;
 				clock-names = "ipg", "ahb", "per";
@@ -879,7 +879,7 @@
 				             "fsl,imx7d-usdhc";
 				reg = <0x30b50000 0x10000>;
 				interrupts = <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>;
-				clocks = <&clk IMX8MQ_CLK_DUMMY>,
+				clocks = <&clk IMX8MQ_CLK_IPG_ROOT>,
 				         <&clk IMX8MQ_CLK_NAND_USDHC_BUS>,
 				         <&clk IMX8MQ_CLK_USDHC2_ROOT>;
 				clock-names = "ipg", "ahb", "per";

drivers/soc/imx/soc-imx-scu.c

@@ -46,7 +46,7 @@ static ssize_t soc_uid_show(struct device *dev,
 	hdr->func = IMX_SC_MISC_FUNC_UNIQUE_ID;
 	hdr->size = 1;
 
-	ret = imx_scu_call_rpc(soc_ipc_handle, &msg, false);
+	ret = imx_scu_call_rpc(soc_ipc_handle, &msg, true);
 	if (ret) {
 		pr_err("%s: get soc uid failed, ret %d\n", __func__, ret);
 		return ret;