ARM: tegra: thermal: Thermals in kai/enterprise

Enabled edp thermal capping, thermal throttling, and thermal
shutdown on the Kai and Enterprise platforms which got lost
in the previous refactor.

Change-Id: I5b65058fd94162f256fdc40006db32d1e2dbde28
Signed-off-by: Joshua Primero <jprimero@nvidia.com>
Reviewed-on: http://git-master/r/132884
(cherry picked from commit f6d6f30e07d679a74342bb5e5d599993414a9d56)
Signed-off-by: Gaurav Batra <gbatra@nvidia.com>
Reviewed-on: http://git-master/r/130366
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Diwakar Tundlam <dtundlam@nvidia.com>
Tested-by: Diwakar Tundlam <dtundlam@nvidia.com>

1 files changed, 64 insertions, 0 deletions

diff --git a/arch/arm/mach-tegra/board-kai-sensors.c b/arch/arm/mach-tegra/board-kai-sensors.c
index 062d9c9e66aa..e6ca6462a175 100644
--- a/arch/arm/mach-tegra/board-kai-sensors.c
+++ b/arch/arm/mach-tegra/board-kai-sensors.c
@@ -27,6 +27,7 @@
 #include <linux/regulator/consumer.h>
 #include <linux/slab.h>
 #include <linux/gpio.h>
+#include <mach/edp.h>
 #include <asm/mach-types.h>
 #include <media/ov2710.h>
 
@@ -39,11 +40,41 @@
 static struct regulator *kai_1v8_cam3;
 static struct regulator *kai_vdd_cam3;
 
+static struct balanced_throttle tj_throttle = {
+	.throt_tab_size = 10,
+	.throt_tab = {
+		{      0, 1000 },
+		{ 640000, 1000 },
+		{ 640000, 1000 },
+		{ 640000, 1000 },
+		{ 640000, 1000 },
+		{ 640000, 1000 },
+		{ 760000, 1000 },
+		{ 760000, 1050 },
+		{1000000, 1050 },
+		{1000000, 1100 },
+	},
+};
+
 static struct nct1008_platform_data kai_nct1008_pdata = {
 	.supported_hwrev = true,
 	.ext_range = true,
 	.conv_rate = 0x09, /* 0x09 corresponds to 32Hz conversion rate */
 	.offset = 8, /* 4 * 2C. 1C for device accuracies */
+
+	.shutdown_ext_limit = 90, /* C */
+	.shutdown_local_limit = 100, /* C */
+
+	/* Thermal Throttling */
+	.passive = {
+		.create_cdev = (struct thermal_cooling_device *(*)(void *))
+				balanced_throttle_register,
+		.cdev_data = &tj_throttle,
+		.trip_temp = 85000,
+		.tc1 = 0,
+		.tc1 = 1,
+		.passive_delay = 2000,
+	}
 };
 
 static struct i2c_board_info kai_i2c4_nct1008_board_info[] = {
@@ -54,6 +85,36 @@ static struct i2c_board_info kai_i2c4_nct1008_board_info[] = {
 	}
 };
 
+#ifdef CONFIG_TEGRA_EDP_LIMITS
+static void kai_init_edp_cdev(void)
+{
+	const struct tegra_edp_limits *cpu_edp_limits;
+	int cpu_edp_limits_size;
+	int i;
+
+	/* edp capping */
+	tegra_get_cpu_edp_limits(&cpu_edp_limits, &cpu_edp_limits_size);
+
+	if (cpu_edp_limits_size > MAX_THROT_TABLE_SIZE)
+		BUG();
+
+	for (i = 0; i < cpu_edp_limits_size-1; i++) {
+		kai_nct1008_pdata.active[i].create_cdev =
+			(struct thermal_cooling_device *(*)(void *))
+				edp_cooling_device_create;
+		kai_nct1008_pdata.active[i].cdev_data = (void *)i;
+		kai_nct1008_pdata.active[i].trip_temp =
+			cpu_edp_limits[i].temperature * 1000;
+	}
+	kai_nct1008_pdata.active[i].create_cdev = NULL;
+}
+#else
+static void kai_init_edp_cdev(void)
+{
+}
+#endif
+
+
 static int kai_nct1008_init(void)
 {
 	int ret = 0;
@@ -73,6 +134,9 @@ static int kai_nct1008_init(void)
 		pr_err("%s: set gpio to input failed\n", __func__);
 		gpio_free(KAI_TEMP_ALERT_GPIO);
 	}
+
+	kai_init_edp_cdev();
+
 	return ret;
 }