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ARM: tegra: stingray: Enable NCT1008 temperature monitor

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From Varun Wadekar and Dmitriy Gruzman, plus changes to pass
NCT1008 alarm function from platform data.

Change-Id: I4b625e9278a9c214c71ee8859316bb1a9a9bfd91
Signed-off-by: Todd Poynor <toddpoynor@google.com>
This commit is contained in:
Dmitriy Gruzman 2010-12-16 23:15:53 -06:00 committed by Todd Poynor
parent 3d9f0d7a7e
commit ec28871223
1 changed files with 32 additions and 2 deletions
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34
arch/arm/mach-tegra/board-stingray-sensors.c
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@ -30,10 +30,10 @@
#include <media/ov5650.h>
#include <media/soc2030.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/regulator/consumer.h>
#include <mach/gpio.h>
#include <linux/nct1008.h>
#include "board-stingray.h"
#include "gpio-names.h"
@ -49,6 +49,9 @@
#define SOC2030_RESETN_GPIO TEGRA_GPIO_PD5
#define SOC2030_PWRDN_GPIO TEGRA_GPIO_PBB5
#define CAP_PROX_IRQ_GPIO TEGRA_GPIO_PZ3
#define NCT1008_THERM2_GPIO TEGRA_GPIO_PQ7
extern void tegra_throttling_enable(bool enable);
static int stingray_ov5650_power_on(void)
{
@ -343,6 +346,30 @@ static void stingray_lm3559_init(void)
#endif
}
static struct nct1008_platform_data stingray_nct1008_data = {
.supported_hwrev = true,
.ext_range = true,
.conv_rate = 0x08,
.offset = 6,
.hysteresis = 5,
.shutdown_ext_limit = 115,
.shutdown_local_limit = 120,
.throttling_ext_limit = 90,
.alarm_fn = tegra_throttling_enable,
};
static int stingray_nct1008_init(void)
{
if (stingray_revision() >= STINGRAY_REVISION_P2) {
tegra_gpio_enable(NCT1008_THERM2_GPIO);
gpio_request(NCT1008_THERM2_GPIO, "nct1008_therm2");
gpio_direction_input(NCT1008_THERM2_GPIO);
} else {
stingray_nct1008_data.supported_hwrev = false;
}
return 0;
}
static struct i2c_board_info __initdata stingray_i2c_bus4_sensor_info[] = {
{
I2C_BOARD_INFO("akm8975", 0x0C),
@ -355,6 +382,8 @@ static struct i2c_board_info __initdata stingray_i2c_bus4_sensor_info[] = {
},
{
I2C_BOARD_INFO("nct1008", 0x4C),
.platform_data = &stingray_nct1008_data,
.irq = TEGRA_GPIO_TO_IRQ(NCT1008_THERM2_GPIO),
},
{
I2C_BOARD_INFO("cap-prox", 0x12),
@ -414,6 +443,7 @@ int __init stingray_sensors_init(void)
stingray_ov5650_init();
stingray_soc2030_init();
stingray_cap_prox_init();
stingray_nct1008_init();
i2c_register_board_info(3, stingray_i2c_bus4_sensor_info,
ARRAY_SIZE(stingray_i2c_bus4_sensor_info));