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authorLinus Torvalds <torvalds@linux-foundation.org>2016-01-21 22:45:02 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2016-01-21 22:45:02 +0300
commit859e762544902c3e09b3f8d994aab80ea5ff5042 (patch)
tree538b0655591a3f3573dd33ae0c9b1a15600ed2f1 /include/linux/platform_data
parent96461fdb3ace6753d29eaa43387bcd6d540710e9 (diff)
parentff01c944cfa939f3474c28d88223213494aedf0b (diff)
downloadlinux-859e762544902c3e09b3f8d994aab80ea5ff5042.tar.xz
Merge tag 'pwm/for-4.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm updates from Thierry Reding: "This set of changes contains a new driver for OMAP (using the dual-mode timers) as well as an assortment of fixes all across the board" * tag 'pwm/for-4.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: pwm: Mark all devices as "might sleep" pwm: omap-dmtimer: Potential NULL dereference on error pwm: add HAS_IOMEM dependency to PWM_FSL_FTM pwm: Add PWM driver for OMAP using dual-mode timers pwm: rcar: Improve accuracy of frequency division setting pwm: lpc32xx: return ERANGE, if requested period is not supported pwm: lpc32xx: fix and simplify duty cycle and period calculations pwm: lpc32xx: make device usable with common clock framework pwm: lpc32xx: correct number of PWM channels from 2 to 1 dt: lpc32xx: pwm: update documentation of LPC32xx PWM device dt: lpc32xx: pwm: correct LPC32xx PWM device node example pwm: fsl-ftm: Fix clock enable/disable when using PM pwm: lpss: Rework the sequence of programming PWM_SW_UPDATE pwm: lpss: Select core part automatically pwm: lpss: Update PWM setting for Broxton pwm: bcm2835: Fix email address specification pwm: bcm2835: Prevent division by zero pwm: bcm2835: Calculate scaler in ->config() pwm: lpss: Remove ->free() callback
Diffstat (limited to 'include/linux/platform_data')
-rw-r--r--include/linux/platform_data/pwm_omap_dmtimer.h69
1 files changed, 69 insertions, 0 deletions
diff --git a/include/linux/platform_data/pwm_omap_dmtimer.h b/include/linux/platform_data/pwm_omap_dmtimer.h
new file mode 100644
index 000000000000..59384217208f
--- /dev/null
+++ b/include/linux/platform_data/pwm_omap_dmtimer.h
@@ -0,0 +1,69 @@
+/*
+ * include/linux/platform_data/pwm_omap_dmtimer.h
+ *
+ * OMAP Dual-Mode Timer PWM platform data
+ *
+ * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
+ * Tarun Kanti DebBarma <tarun.kanti@ti.com>
+ * Thara Gopinath <thara@ti.com>
+ *
+ * Platform device conversion and hwmod support.
+ *
+ * Copyright (C) 2005 Nokia Corporation
+ * Author: Lauri Leukkunen <lauri.leukkunen@nokia.com>
+ * PWM and clock framework support by Timo Teras.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * 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.,
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __PWM_OMAP_DMTIMER_PDATA_H
+#define __PWM_OMAP_DMTIMER_PDATA_H
+
+/* trigger types */
+#define PWM_OMAP_DMTIMER_TRIGGER_NONE 0x00
+#define PWM_OMAP_DMTIMER_TRIGGER_OVERFLOW 0x01
+#define PWM_OMAP_DMTIMER_TRIGGER_OVERFLOW_AND_COMPARE 0x02
+
+struct omap_dm_timer;
+typedef struct omap_dm_timer pwm_omap_dmtimer;
+
+struct pwm_omap_dmtimer_pdata {
+ pwm_omap_dmtimer *(*request_by_node)(struct device_node *np);
+ int (*free)(pwm_omap_dmtimer *timer);
+
+ void (*enable)(pwm_omap_dmtimer *timer);
+ void (*disable)(pwm_omap_dmtimer *timer);
+
+ struct clk *(*get_fclk)(pwm_omap_dmtimer *timer);
+
+ int (*start)(pwm_omap_dmtimer *timer);
+ int (*stop)(pwm_omap_dmtimer *timer);
+
+ int (*set_load)(pwm_omap_dmtimer *timer, int autoreload,
+ unsigned int value);
+ int (*set_match)(pwm_omap_dmtimer *timer, int enable,
+ unsigned int match);
+ int (*set_pwm)(pwm_omap_dmtimer *timer, int def_on,
+ int toggle, int trigger);
+ int (*set_prescaler)(pwm_omap_dmtimer *timer, int prescaler);
+
+ int (*write_counter)(pwm_omap_dmtimer *timer, unsigned int value);
+};
+
+#endif /* __PWM_OMAP_DMTIMER_PDATA_H */