summaryrefslogtreecommitdiff
path: root/drivers/thermal/ti-soc-thermal/ti-bandgap.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/thermal/ti-soc-thermal/ti-bandgap.h')
-rw-r--r--drivers/thermal/ti-soc-thermal/ti-bandgap.h32
1 files changed, 12 insertions, 20 deletions
diff --git a/drivers/thermal/ti-soc-thermal/ti-bandgap.h b/drivers/thermal/ti-soc-thermal/ti-bandgap.h
index 68d39ad43241..46263c1da8b6 100644
--- a/drivers/thermal/ti-soc-thermal/ti-bandgap.h
+++ b/drivers/thermal/ti-soc-thermal/ti-bandgap.h
@@ -1,24 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* OMAP4 Bandgap temperature sensor driver
*
* Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
* Contact:
* Eduardo Valentin <eduardo.valentin@ti.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
- * 02110-1301 USA
- *
*/
#ifndef __TI_BANDGAP_H
#define __TI_BANDGAP_H
@@ -26,6 +12,12 @@
#include <linux/spinlock.h>
#include <linux/types.h>
#include <linux/err.h>
+#include <linux/cpu_pm.h>
+#include <linux/device.h>
+#include <linux/pm_runtime.h>
+#include <linux/pm.h>
+
+struct gpio_desc;
/**
* DOC: bandgap driver data structure
@@ -213,8 +205,10 @@ struct ti_bandgap {
struct clk *div_clk;
spinlock_t lock; /* shields this struct */
int irq;
- int tshut_gpio;
+ struct gpio_desc *tshut_gpiod;
u32 clk_rate;
+ struct notifier_block nb;
+ unsigned int is_suspended:1;
};
/**
@@ -286,6 +280,7 @@ struct ti_temp_sensor {
* has Errata 814
* TI_BANDGAP_FEATURE_UNRELIABLE - used when the sensor readings are too
* inaccurate.
+ * TI_BANDGAP_FEATURE_CONT_MODE_ONLY - used when single mode hangs the sensor
* TI_BANDGAP_HAS(b, f) - macro to check if a bandgap device is capable of a
* specific feature (above) or not. Return non-zero, if yes.
*/
@@ -301,6 +296,7 @@ struct ti_temp_sensor {
#define TI_BANDGAP_FEATURE_HISTORY_BUFFER BIT(9)
#define TI_BANDGAP_FEATURE_ERRATA_814 BIT(10)
#define TI_BANDGAP_FEATURE_UNRELIABLE BIT(11)
+#define TI_BANDGAP_FEATURE_CONT_MODE_ONLY BIT(12)
#define TI_BANDGAP_HAS(b, f) \
((b)->conf->features & TI_BANDGAP_FEATURE_ ## f)
@@ -340,10 +336,6 @@ struct ti_bandgap_data {
struct ti_temp_sensor sensors[];
};
-int ti_bandgap_read_thot(struct ti_bandgap *bgp, int id, int *thot);
-int ti_bandgap_write_thot(struct ti_bandgap *bgp, int id, int val);
-int ti_bandgap_read_tcold(struct ti_bandgap *bgp, int id, int *tcold);
-int ti_bandgap_write_tcold(struct ti_bandgap *bgp, int id, int val);
int ti_bandgap_read_update_interval(struct ti_bandgap *bgp, int id,
int *interval);
int ti_bandgap_write_update_interval(struct ti_bandgap *bgp, int id,