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Commit dc1956b5 authored by hongbo.zhang's avatar hongbo.zhang Committed by Zhang Rui
Browse files

Thermal: Add ST-Ericsson DB8500 thermal properties and platform data. 



This patch adds device tree properties for ST-Ericsson DB8500 thermal driver,
also adds the platform data to support the old fashion.

Signed-off-by: default avatarhongbo.zhang <hongbo.zhang@linaro.com>
Reviewed-by: default avatarViresh Kumar <viresh.kumar@linaro.org>
Acked-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: default avatarZhang Rui <rui.zhang@intel.com>
parent aa1acb04

arch/arm/boot/dts/dbx5x0.dtsi

+14 −0
Original line number Diff line number Diff line
@@ -203,6 +203,14 @@ 
				reg = <0x80157450 0xC>;

			};



			thermal@801573c0 {

				compatible = "stericsson,db8500-thermal";

				reg = <0x801573c0 0x40>;

				interrupts = <21 0x4>, <22 0x4>;

				interrupt-names = "IRQ_HOTMON_LOW", "IRQ_HOTMON_HIGH";

				status = "disabled";

			 };



			db8500-prcmu-regulators {

				compatible = "stericsson,db8500-prcmu-regulator";
@@ -660,5 +668,11 @@ 
			ranges = <0 0x50000000 0x4000000>;

			status = "disabled";

		};



		cpufreq-cooling {

			compatible = "stericsson,db8500-cpufreq-cooling";

			status = "disabled";

		 };



	};

};

arch/arm/boot/dts/snowball.dts

+31 −0
Original line number Diff line number Diff line
@@ -99,6 +99,33 @@ 
			status = "okay";

		};



		prcmu@80157000 {

			thermal@801573c0 {

				num-trips = <4>;



				trip0-temp = <70000>;

				trip0-type = "active";

				trip0-cdev-num = <1>;

				trip0-cdev-name0 = "thermal-cpufreq-0";



				trip1-temp = <75000>;

				trip1-type = "active";

				trip1-cdev-num = <1>;

				trip1-cdev-name0 = "thermal-cpufreq-0";



				trip2-temp = <80000>;

				trip2-type = "active";

				trip2-cdev-num = <1>;

				trip2-cdev-name0 = "thermal-cpufreq-0";



				trip3-temp = <85000>;

				trip3-type = "critical";

				trip3-cdev-num = <0>;



				status = "okay";

			 };

		};



		external-bus@50000000 {

			status = "okay";
@@ -183,5 +210,9 @@ 
				reg = <0x33>;

			};

		};



		cpufreq-cooling {

			status = "okay";

		};

	};

};

arch/arm/configs/u8500_defconfig

+2 −0
Original line number Diff line number Diff line
@@ -69,6 +69,8 @@ CONFIG_GPIO_TC3589X=y 
CONFIG_POWER_SUPPLY=y

CONFIG_AB8500_BM=y

CONFIG_AB8500_BATTERY_THERM_ON_BATCTRL=y

CONFIG_THERMAL=y

CONFIG_CPU_THERMAL=y

CONFIG_MFD_STMPE=y

CONFIG_MFD_TC3589X=y

CONFIG_AB5500_CORE=y

arch/arm/mach-ux500/board-mop500.c

+64 −0
Original line number Diff line number Diff line
@@ -16,6 +16,7 @@ 
#include <linux/io.h>

#include <linux/i2c.h>

#include <linux/platform_data/i2c-nomadik.h>

#include <linux/platform_data/db8500_thermal.h>

#include <linux/gpio.h>

#include <linux/amba/bus.h>

#include <linux/amba/pl022.h>
@@ -228,6 +229,67 @@ static struct ab8500_platform_data ab8500_platdata = { 
	.codec		= &ab8500_codec_pdata,

};



/*

 * Thermal Sensor

 */



static struct resource db8500_thsens_resources[] = {

	{

		.name = "IRQ_HOTMON_LOW",

		.start  = IRQ_PRCMU_HOTMON_LOW,

		.end    = IRQ_PRCMU_HOTMON_LOW,

		.flags  = IORESOURCE_IRQ,

	},

	{

		.name = "IRQ_HOTMON_HIGH",

		.start  = IRQ_PRCMU_HOTMON_HIGH,

		.end    = IRQ_PRCMU_HOTMON_HIGH,

		.flags  = IORESOURCE_IRQ,

	},

};



static struct db8500_thsens_platform_data db8500_thsens_data = {

	.trip_points[0] = {

		.temp = 70000,

		.type = THERMAL_TRIP_ACTIVE,

		.cdev_name = {

			[0] = "thermal-cpufreq-0",

		},

	},

	.trip_points[1] = {

		.temp = 75000,

		.type = THERMAL_TRIP_ACTIVE,

		.cdev_name = {

			[0] = "thermal-cpufreq-0",

		},

	},

	.trip_points[2] = {

		.temp = 80000,

		.type = THERMAL_TRIP_ACTIVE,

		.cdev_name = {

			[0] = "thermal-cpufreq-0",

		},

	},

	.trip_points[3] = {

		.temp = 85000,

		.type = THERMAL_TRIP_CRITICAL,

	},

	.num_trips = 4,

};



static struct platform_device u8500_thsens_device = {

	.name           = "db8500-thermal",

	.resource       = db8500_thsens_resources,

	.num_resources  = ARRAY_SIZE(db8500_thsens_resources),

	.dev	= {

		.platform_data	= &db8500_thsens_data,

	},

};



static struct platform_device u8500_cpufreq_cooling_device = {

	.name           = "db8500-cpufreq-cooling",

};



/*

 * TPS61052

 */
@@ -583,6 +645,8 @@ static struct platform_device *snowball_platform_devs[] __initdata = { 
	&snowball_key_dev,

	&snowball_sbnet_dev,

	&snowball_gpio_en_3v3_regulator_dev,

	&u8500_thsens_device,

	&u8500_cpufreq_cooling_device,

};



static void __init mop500_init_machine(void)