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Message-ID: <1352700425.1834.11.camel@rzhang1-mobl4>
Date: Mon, 12 Nov 2012 14:07:05 +0800
From: Zhang Rui <rui.zhang@...el.com>
To: "hongbo.zhang" <hongbo.zhang@...aro.org>
Cc: linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-pm@...r.kernel.org, amit.kachhap@...aro.org,
patches@...aro.org, linaro-dev@...ts.linaro.org,
linaro-kernel@...ts.linaro.org,
STEricsson_nomadik_linux@...t.st.com, kernel@...oocommunity.org,
"hongbo.zhang" <hongbo.zhang@...aro.com>
Subject: Re: [PATCH V5 2/2] Thermal: Add ST-Ericsson DB8500 thermal
properties and platform data.
On Fri, 2012-11-09 at 19:29 +0800, hongbo.zhang wrote:
> From: "hongbo.zhang" <hongbo.zhang@...aro.com>
>
> 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@...aro.com>
> Reviewed-by: Viresh Kumar <viresh.kumar@...aro.org>
hmmm,
who should take this patch?
I'd like to see ACK from the maintainer of these code before applying
them to thermal tree.
thanks,
rui
> ---
> arch/arm/boot/dts/dbx5x0.dtsi | 14 +++++++++
> arch/arm/boot/dts/snowball.dts | 31 ++++++++++++++++++
> arch/arm/configs/u8500_defconfig | 2 ++
> arch/arm/mach-ux500/board-mop500.c | 64 ++++++++++++++++++++++++++++++++++++++
> 4 files changed, 111 insertions(+)
>
> diff --git a/arch/arm/boot/dts/dbx5x0.dtsi b/arch/arm/boot/dts/dbx5x0.dtsi
> index 4b0e0ca..731086b 100644
> --- a/arch/arm/boot/dts/dbx5x0.dtsi
> +++ b/arch/arm/boot/dts/dbx5x0.dtsi
> @@ -203,6 +203,14 @@
> reg = <0x80157450 0xC>;
> };
>
> + thermal@...573c0 {
> + 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";
> + };
> +
> };
> };
> diff --git a/arch/arm/boot/dts/snowball.dts b/arch/arm/boot/dts/snowball.dts
> index 702c0ba..c6f85f0 100644
> --- a/arch/arm/boot/dts/snowball.dts
> +++ b/arch/arm/boot/dts/snowball.dts
> @@ -99,6 +99,33 @@
> status = "okay";
> };
>
> + prcmu@...57000 {
> + thermal@...573c0 {
> + 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@...00000 {
> status = "okay";
>
> @@ -183,5 +210,9 @@
> reg = <0x33>;
> };
> };
> +
> + cpufreq-cooling {
> + status = "okay";
> + };
> };
> };
> diff --git a/arch/arm/configs/u8500_defconfig b/arch/arm/configs/u8500_defconfig
> index da68454..250625d 100644
> --- a/arch/arm/configs/u8500_defconfig
> +++ b/arch/arm/configs/u8500_defconfig
> @@ -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
> diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c
> index 416d436..b03216b 100644
> --- a/arch/arm/mach-ux500/board-mop500.c
> +++ b/arch/arm/mach-ux500/board-mop500.c
> @@ -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>
> @@ -229,6 +230,67 @@ static struct ab8500_platform_data ab8500_platdata = {
> };
>
> /*
> + * 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)
--
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