1 files changed, 0 insertions, 177 deletions

diff --git a/arch/mips/jz4740/pwm.c b/arch/mips/jz4740/pwm.c
deleted file mode 100644
index a26a6faec9a6..000000000000
--- a/arch/mips/jz4740/pwm.c
+++ /dev/null
@@ -1,177 +0,0 @@
-/*
- *  Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
- *  JZ4740 platform PWM support
- *
- *  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.
- *
- *  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.
- *
- */
-
-#include <linux/kernel.h>
-
-#include <linux/clk.h>
-#include <linux/err.h>
-#include <linux/pwm.h>
-#include <linux/gpio.h>
-
-#include <asm/mach-jz4740/gpio.h>
-#include "timer.h"
-
-static struct clk *jz4740_pwm_clk;
-
-DEFINE_MUTEX(jz4740_pwm_mutex);
-
-struct pwm_device {
-	unsigned int id;
-	unsigned int gpio;
-	bool used;
-};
-
-static struct pwm_device jz4740_pwm_list[] = {
-	{ 2, JZ_GPIO_PWM2, false },
-	{ 3, JZ_GPIO_PWM3, false },
-	{ 4, JZ_GPIO_PWM4, false },
-	{ 5, JZ_GPIO_PWM5, false },
-	{ 6, JZ_GPIO_PWM6, false },
-	{ 7, JZ_GPIO_PWM7, false },
-};
-
-struct pwm_device *pwm_request(int id, const char *label)
-{
-	int ret = 0;
-	struct pwm_device *pwm;
-
-	if (id < 2 || id > 7 || !jz4740_pwm_clk)
-		return ERR_PTR(-ENODEV);
-
-	mutex_lock(&jz4740_pwm_mutex);
-
-	pwm = &jz4740_pwm_list[id - 2];
-	if (pwm->used)
-		ret = -EBUSY;
-	else
-		pwm->used = true;
-
-	mutex_unlock(&jz4740_pwm_mutex);
-
-	if (ret)
-		return ERR_PTR(ret);
-
-	ret = gpio_request(pwm->gpio, label);
-
-	if (ret) {
-		printk(KERN_ERR "Failed to request pwm gpio: %d\n", ret);
-		pwm->used = false;
-		return ERR_PTR(ret);
-	}
-
-	jz_gpio_set_function(pwm->gpio, JZ_GPIO_FUNC_PWM);
-
-	jz4740_timer_start(id);
-
-	return pwm;
-}
-
-void pwm_free(struct pwm_device *pwm)
-{
-	pwm_disable(pwm);
-	jz4740_timer_set_ctrl(pwm->id, 0);
-
-	jz_gpio_set_function(pwm->gpio, JZ_GPIO_FUNC_NONE);
-	gpio_free(pwm->gpio);
-
-	jz4740_timer_stop(pwm->id);
-
-	pwm->used = false;
-}
-
-int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns)
-{
-	unsigned long long tmp;
-	unsigned long period, duty;
-	unsigned int prescaler = 0;
-	unsigned int id = pwm->id;
-	uint16_t ctrl;
-	bool is_enabled;
-
-	if (duty_ns < 0 || duty_ns > period_ns)
-		return -EINVAL;
-
-	tmp = (unsigned long long)clk_get_rate(jz4740_pwm_clk) * period_ns;
-	do_div(tmp, 1000000000);
-	period = tmp;
-
-	while (period > 0xffff && prescaler < 6) {
-		period >>= 2;
-		++prescaler;
-	}
-
-	if (prescaler == 6)
-		return -EINVAL;
-
-	tmp = (unsigned long long)period * duty_ns;
-	do_div(tmp, period_ns);
-	duty = period - tmp;
-
-	if (duty >= period)
-		duty = period - 1;
-
-	is_enabled = jz4740_timer_is_enabled(id);
-	if (is_enabled)
-		pwm_disable(pwm);
-
-	jz4740_timer_set_count(id, 0);
-	jz4740_timer_set_duty(id, duty);
-	jz4740_timer_set_period(id, period);
-
-	ctrl = JZ_TIMER_CTRL_PRESCALER(prescaler) | JZ_TIMER_CTRL_SRC_EXT |
-		JZ_TIMER_CTRL_PWM_ABBRUPT_SHUTDOWN;
-
-	jz4740_timer_set_ctrl(id, ctrl);
-
-	if (is_enabled)
-		pwm_enable(pwm);
-
-	return 0;
-}
-
-int pwm_enable(struct pwm_device *pwm)
-{
-	uint32_t ctrl = jz4740_timer_get_ctrl(pwm->id);
-
-	ctrl |= JZ_TIMER_CTRL_PWM_ENABLE;
-	jz4740_timer_set_ctrl(pwm->id, ctrl);
-	jz4740_timer_enable(pwm->id);
-
-	return 0;
-}
-
-void pwm_disable(struct pwm_device *pwm)
-{
-	uint32_t ctrl = jz4740_timer_get_ctrl(pwm->id);
-
-	ctrl &= ~JZ_TIMER_CTRL_PWM_ENABLE;
-	jz4740_timer_disable(pwm->id);
-	jz4740_timer_set_ctrl(pwm->id, ctrl);
-}
-
-static int __init jz4740_pwm_init(void)
-{
-	int ret = 0;
-
-	jz4740_pwm_clk = clk_get(NULL, "ext");
-
-	if (IS_ERR(jz4740_pwm_clk)) {
-		ret = PTR_ERR(jz4740_pwm_clk);
-		jz4740_pwm_clk = NULL;
-	}
-
-	return ret;
-}
-subsys_initcall(jz4740_pwm_init);