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

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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: hongbo.zhang <hongbo.zhang@linaro.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This commit is contained in:
hongbo.zhang 2012-11-15 18:56:43 +08:00 committed by Zhang Rui
parent aa1acb0451
commit dc1956b5f8
4 changed files with 111 additions and 0 deletions
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14
arch/arm/boot/dts/dbx5x0.dtsi
View File

@ -203,6 +203,14 @@ prcmu-timer-4@80157450 {
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 @@ external-bus@50000000 {
ranges = <0 0x50000000 0x4000000>;
status = "disabled";
};
cpufreq-cooling {
compatible = "stericsson,db8500-cpufreq-cooling";
status = "disabled";
};
};
};

31
arch/arm/boot/dts/snowball.dts
View File

@ -99,6 +99,33 @@ msp3: msp@80125000 {
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 @@ bh1780@0x29 {
reg = <0x33>;
};
};
cpufreq-cooling {
status = "okay";
};
};
};

2
arch/arm/configs/u8500_defconfig
View File

@ -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

64
arch/arm/mach-ux500/board-mop500.c
View File

@ -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)