arm: tegra: thermal: remove dead Tegra 3 tsensor code

dev-kernel doesn't support Tegra 3 devices any longer, so remove some
T30 thermal sensor code that's now dead.

Bug 1201644
Bug 1380438
Bug 1482001

Change-Id: I340cd2f79fc3d2d3d3de6de08d4e80b24ee70b7a
Signed-off-by: Paul Walmsley <pwalmsley@nvidia.com>
Cc: Matthew Longnecker <mlongnecker@nvidia.com>
Cc: Diwakar Tundlam <dtundlam@nvidia.com>

Reviewed-on: http://git-master/r/392200
GVS: Gerrit_Virtual_Submit
Reviewed-by: Diwakar Tundlam <dtundlam@nvidia.com>
Tested-by: Diwakar Tundlam <dtundlam@nvidia.com>

3 files changed, 0 insertions, 192 deletions

diff --git a/arch/arm/mach-tegra/Makefile b/arch/arm/mach-tegra/Makefile
index 5502d4321f1a..044aa03c08aa 100644
--- a/arch/arm/mach-tegra/Makefile
+++ b/arch/arm/mach-tegra/Makefile
@@ -152,7 +152,6 @@ obj-$(CONFIG_ARCH_TEGRA_12x_SOC)        += tegra3_throttle.o
 endif
 obj-$(CONFIG_DEBUG_ICEDCC)              += sysfs-dcc.o
 obj-$(CONFIG_TEGRA_CLUSTER_CONTROL)     += sysfs-cluster.o
-obj-$(CONFIG_SENSORS_TEGRA_TSENSOR)     += tegra3_tsensor.o
 obj-$(CONFIG_TEGRA_DYNAMIC_PWRDET)      += powerdetect.o
 obj-$(CONFIG_ARCH_TEGRA_HAS_CL_DVFS)    += tegra_cl_dvfs.o
 
diff --git a/arch/arm/mach-tegra/tegra3_tsensor.c b/arch/arm/mach-tegra/tegra3_tsensor.c
deleted file mode 100644
index e8e2d119ede2..000000000000
--- a/arch/arm/mach-tegra/tegra3_tsensor.c
+++ /dev/null
@@ -1,162 +0,0 @@
-/*
- * arch/arm/mach-tegra/tegra3_tsensor.c
- *
- * Copyright (C) 2011-2014, NVIDIA Corporation. All rights reserved.
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/io.h>
-#include <linux/slab.h>
-#include <linux/tegra-fuse.h>
-#include <linux/tegra-pmc.h>
-
-#include <mach/tsensor.h>
-
-#include "cpu-tegra.h"
-#include "devices.h"
-#include "iomap.h"
-
-/* fuse revision constants used for tsensor */
-#define TSENSOR_FUSE_REVISION_DECIMAL 8
-#define TSENSOR_FUSE_REVISION_INTEGER 0
-
-/* scratch register offsets needed for powering off PMU */
-#define SCRATCH54_OFFSET			0x258
-#define SCRATCH55_OFFSET			0x25C
-
-/* scratch 54 register bit field offsets */
-#define PMU_OFF_DATA_OFFSET			8
-
-/* scratch 55 register bit field offsets */
-#define RESET_TEGRA_OFFSET			31
-#define CONTROLLER_TYPE_OFFSET			30
-#define I2C_CONTROLLER_ID_OFFSET		27
-#define PINMUX_OFFSET				24
-#define CHECKSUM_OFFSET				16
-#define PMU_16BIT_SUPPORT_OFFSET		15
-/* scratch 55 register bit field masks */
-#define RESET_TEGRA_MASK			0x1
-#define CONTROLLER_TYPE_MASK			0x1
-#define I2C_CONTROLLER_ID_MASK			0x7
-#define PINMUX_MASK				0x7
-#define CHECKSUM_MASK				0xff
-#define PMU_16BIT_SUPPORT_MASK			0x1
-
-#define TSENSOR_OFFSET	(4000 + 5000)
-#define TDIODE_OFFSET	(9000 + 1000)
-
-static struct throttle_table tj_throttle_table[] = {
-		/* CPU_THROT_LOW cannot be used by other than CPU */
-		/* NO_CAP cannot be used by CPU */
-		/*    CPU,    CBUS,    SCLK,     EMC */
-		{ { 1000000,  NO_CAP,  NO_CAP,  NO_CAP } },
-		{ {  760000,  NO_CAP,  NO_CAP,  NO_CAP } },
-		{ {  760000,  NO_CAP,  NO_CAP,  NO_CAP } },
-		{ {  620000,  NO_CAP,  NO_CAP,  NO_CAP } },
-		{ {  620000,  NO_CAP,  NO_CAP,  NO_CAP } },
-		{ {  620000,  437000,  NO_CAP,  NO_CAP } },
-		{ {  620000,  352000,  NO_CAP,  NO_CAP } },
-		{ {  475000,  352000,  NO_CAP,  NO_CAP } },
-		{ {  475000,  352000,  NO_CAP,  NO_CAP } },
-		{ {  475000,  352000,  250000,  375000 } },
-		{ {  475000,  352000,  250000,  375000 } },
-		{ {  475000,  247000,  204000,  375000 } },
-		{ {  475000,  247000,  204000,  204000 } },
-		{ {  475000,  247000,  204000,  204000 } },
-	  { { CPU_THROT_LOW,  247000,  204000,  102000 } },
-};
-
-static struct balanced_throttle tj_throttle = {
-	.throt_tab_size = ARRAY_SIZE(tj_throttle_table),
-	.throt_tab = tj_throttle_table,
-};
-
-static struct tegra_tsensor_platform_data tsensor_data = {
-	.shutdown_temp = 90 + TDIODE_OFFSET - TSENSOR_OFFSET,
-	.passive = {
-		.trip_temp = 85 + TDIODE_OFFSET - TSENSOR_OFFSET,
-		.tc1 = 0,
-		.tc2 = 1,
-		.passive_delay = 2000,
-	}
-};
-
-void __init tegra3_tsensor_init(struct tegra_tsensor_pmu_data *data)
-{
-	unsigned int reg;
-	int err;
-	u32 val, checksum;
-	void __iomem *pMem = NULL;
-	/* tsensor driver is instantiated based on fuse revision */
-	err = tegra_fuse_get_revision(&reg);
-	if (err)
-		goto labelEnd;
-	pr_info("\nTegra3 fuse revision %d ", reg);
-	if (reg < TSENSOR_FUSE_REVISION_DECIMAL)
-		goto labelEnd;
-
-	if (!data)
-		goto labelSkipPowerOff;
-
-	if (!request_mem_region(TEGRA_PMC_BASE +
-		SCRATCH54_OFFSET, 8, "tegra-tsensor"))
-		pr_err(" [%s, line=%d]: Error mem busy\n",
-			__func__, __LINE__);
-
-	pMem = ioremap(TEGRA_PMC_BASE + SCRATCH54_OFFSET, 8);
-	if (!pMem) {
-		pr_err(" [%s, line=%d]: can't ioremap "
-			"pmc iomem\n", __FILE__, __LINE__);
-		goto labelEnd;
-	}
-
-	/*
-	 * Fill scratch registers to power off the device
-	 * in case if temperature crosses threshold TH3
-	 */
-	val = (data->poweroff_reg_data << PMU_OFF_DATA_OFFSET) |
-		data->poweroff_reg_addr;
-	writel(val, pMem);
-
-	val = ((data->reset_tegra & RESET_TEGRA_MASK) << RESET_TEGRA_OFFSET) |
-		((data->controller_type & CONTROLLER_TYPE_MASK) <<
-		CONTROLLER_TYPE_OFFSET) |
-		((data->i2c_controller_id & I2C_CONTROLLER_ID_MASK) <<
-		I2C_CONTROLLER_ID_OFFSET) |
-		((data->pinmux & PINMUX_MASK) << PINMUX_OFFSET) |
-		((data->pmu_16bit_ops & PMU_16BIT_SUPPORT_MASK) <<
-		PMU_16BIT_SUPPORT_OFFSET) | data->pmu_i2c_addr;
-
-	checksum = data->poweroff_reg_addr +
-		data->poweroff_reg_data + (val & 0xFF) +
-		((val >> 8) & 0xFF) + ((val >> 24) & 0xFF);
-	checksum &= 0xFF;
-	checksum = 0x100 - checksum;
-
-	val |= (checksum << CHECKSUM_OFFSET);
-	writel(val, pMem + 4);
-
-
-labelSkipPowerOff:
-	/* Thermal throttling */
-	tsensor_data.passive.cdev = balanced_throttle_register(
-					&tj_throttle, "tegra-balanced");
-
-	/* set platform data for device before register */
-	tegra_tsensor_device.dev.platform_data = &tsensor_data;
-	platform_device_register(&tegra_tsensor_device);
-
-labelEnd:
-	return;
-}
diff --git a/arch/arm/mach-tegra/tegra3_tsensor.h b/arch/arm/mach-tegra/tegra3_tsensor.h
deleted file mode 100644
index b88c71a84020..000000000000
--- a/arch/arm/mach-tegra/tegra3_tsensor.h
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * arch/arm/mach-tegra/tegra3_tsensor.h
- *
- * Tegra tsensor header file
- *
- * Copyright (c) 2011-2014, NVIDIA CORPORATION. All rights reserved.
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- */
-
-#ifndef __MACH_TEGRA_TEGRA3_TSENSOR_H
-#define __MACH_TEGRA_TEGRA3_TSENSOR_H
-
-#ifdef CONFIG_SENSORS_TEGRA_TSENSOR
-void __init tegra3_tsensor_init(struct tegra_tsensor_pmu_data *data);
-#else
-static inline void tegra3_tsensor_init(struct tegra_tsensor_pmu_data *data)
-{}
-#endif
-
-#endif