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authorScott Wood <scottwood@freescale.com>2014-04-07 23:49:35 (GMT)
committerScott Wood <scottwood@freescale.com>2014-04-07 23:49:35 (GMT)
commit62b8c978ee6b8d135d9e7953221de58000dba986 (patch)
tree683b04b2e627f6710c22c151b23c8cc9a165315e /drivers/pwm
parent78fd82238d0e5716578c326404184a27ba67fd6e (diff)
downloadlinux-fsl-qoriq-62b8c978ee6b8d135d9e7953221de58000dba986.tar.xz
Rewind v3.13-rc3+ (78fd82238d0e5716) to v3.12
Diffstat (limited to 'drivers/pwm')
-rw-r--r--drivers/pwm/Kconfig9
-rw-r--r--drivers/pwm/Makefile1
-rw-r--r--drivers/pwm/pwm-atmel-tcb.c4
-rw-r--r--drivers/pwm/pwm-ep93xx.c230
-rw-r--r--drivers/pwm/pwm-imx.c3
-rw-r--r--drivers/pwm/pwm-lpc32xx.c2
-rw-r--r--drivers/pwm/pwm-mxs.c2
-rw-r--r--drivers/pwm/pwm-samsung.c3
-rw-r--r--drivers/pwm/pwm-tiecap.c6
-rw-r--r--drivers/pwm/pwm-tiehrpwm.c6
-rw-r--r--drivers/pwm/pwm-twl-led.c1
-rw-r--r--drivers/pwm/pwm-twl.c1
12 files changed, 17 insertions, 251 deletions
diff --git a/drivers/pwm/Kconfig b/drivers/pwm/Kconfig
index eece329..75840b5 100644
--- a/drivers/pwm/Kconfig
+++ b/drivers/pwm/Kconfig
@@ -62,15 +62,6 @@ config PWM_BFIN
To compile this driver as a module, choose M here: the module
will be called pwm-bfin.
-config PWM_EP93XX
- tristate "Cirrus Logic EP93xx PWM support"
- depends on ARCH_EP93XX
- help
- Generic PWM framework driver for Cirrus Logic EP93xx.
-
- To compile this driver as a module, choose M here: the module
- will be called pwm-ep93xx.
-
config PWM_IMX
tristate "i.MX PWM support"
depends on ARCH_MXC
diff --git a/drivers/pwm/Makefile b/drivers/pwm/Makefile
index 8b754e4..77a8c18 100644
--- a/drivers/pwm/Makefile
+++ b/drivers/pwm/Makefile
@@ -3,7 +3,6 @@ obj-$(CONFIG_PWM_SYSFS) += sysfs.o
obj-$(CONFIG_PWM_AB8500) += pwm-ab8500.o
obj-$(CONFIG_PWM_ATMEL_TCB) += pwm-atmel-tcb.o
obj-$(CONFIG_PWM_BFIN) += pwm-bfin.o
-obj-$(CONFIG_PWM_EP93XX) += pwm-ep93xx.o
obj-$(CONFIG_PWM_IMX) += pwm-imx.o
obj-$(CONFIG_PWM_JZ4740) += pwm-jz4740.o
obj-$(CONFIG_PWM_LPC32XX) += pwm-lpc32xx.o
diff --git a/drivers/pwm/pwm-atmel-tcb.c b/drivers/pwm/pwm-atmel-tcb.c
index f3dcd02..ba6ce01 100644
--- a/drivers/pwm/pwm-atmel-tcb.c
+++ b/drivers/pwm/pwm-atmel-tcb.c
@@ -249,8 +249,6 @@ static int atmel_tcb_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm)
}
}
- cmr |= (tcbpwm->div & ATMEL_TC_TCCLKS);
-
__raw_writel(cmr, regs + ATMEL_TC_REG(group, CMR));
if (index == 0)
@@ -307,7 +305,7 @@ static int atmel_tcb_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
i = slowclk;
rate = 32768;
min = div_u64(NSEC_PER_SEC, rate);
- max = min << tc->tcb_config->counter_width;
+ max = min << 16;
/* If period is too big return ERANGE error */
if (max < period_ns)
diff --git a/drivers/pwm/pwm-ep93xx.c b/drivers/pwm/pwm-ep93xx.c
deleted file mode 100644
index 33aa446..0000000
--- a/drivers/pwm/pwm-ep93xx.c
+++ /dev/null
@@ -1,230 +0,0 @@
-/*
- * PWM framework driver for Cirrus Logic EP93xx
- *
- * Copyright (c) 2009 Matthieu Crapet <mcrapet@gmail.com>
- * Copyright (c) 2009, 2013 H Hartley Sweeten <hsweeten@visionengravers.com>
- *
- * EP9301/02 have only one channel:
- * platform device ep93xx-pwm.1 - PWMOUT1 (EGPIO14)
- *
- * EP9307 has only one channel:
- * platform device ep93xx-pwm.0 - PWMOUT
- *
- * EP9312/15 have two channels:
- * platform device ep93xx-pwm.0 - PWMOUT
- * platform device ep93xx-pwm.1 - PWMOUT1 (EGPIO14)
- *
- * 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 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/module.h>
-#include <linux/platform_device.h>
-#include <linux/slab.h>
-#include <linux/clk.h>
-#include <linux/err.h>
-#include <linux/io.h>
-#include <linux/pwm.h>
-
-#include <asm/div64.h>
-
-#include <mach/platform.h> /* for ep93xx_pwm_{acquire,release}_gpio() */
-
-#define EP93XX_PWMx_TERM_COUNT 0x00
-#define EP93XX_PWMx_DUTY_CYCLE 0x04
-#define EP93XX_PWMx_ENABLE 0x08
-#define EP93XX_PWMx_INVERT 0x0c
-
-struct ep93xx_pwm {
- void __iomem *base;
- struct clk *clk;
- struct pwm_chip chip;
-};
-
-static inline struct ep93xx_pwm *to_ep93xx_pwm(struct pwm_chip *chip)
-{
- return container_of(chip, struct ep93xx_pwm, chip);
-}
-
-static int ep93xx_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm)
-{
- struct platform_device *pdev = to_platform_device(chip->dev);
-
- return ep93xx_pwm_acquire_gpio(pdev);
-}
-
-static void ep93xx_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm)
-{
- struct platform_device *pdev = to_platform_device(chip->dev);
-
- ep93xx_pwm_release_gpio(pdev);
-}
-
-static int ep93xx_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
- int duty_ns, int period_ns)
-{
- struct ep93xx_pwm *ep93xx_pwm = to_ep93xx_pwm(chip);
- void __iomem *base = ep93xx_pwm->base;
- unsigned long long c;
- unsigned long period_cycles;
- unsigned long duty_cycles;
- unsigned long term;
- int ret = 0;
-
- /*
- * The clock needs to be enabled to access the PWM registers.
- * Configuration can be changed at any time.
- */
- if (!test_bit(PWMF_ENABLED, &pwm->flags)) {
- ret = clk_enable(ep93xx_pwm->clk);
- if (ret)
- return ret;
- }
-
- c = clk_get_rate(ep93xx_pwm->clk);
- c *= period_ns;
- do_div(c, 1000000000);
- period_cycles = c;
-
- c = period_cycles;
- c *= duty_ns;
- do_div(c, period_ns);
- duty_cycles = c;
-
- if (period_cycles < 0x10000 && duty_cycles < 0x10000) {
- term = readw(base + EP93XX_PWMx_TERM_COUNT);
-
- /* Order is important if PWM is running */
- if (period_cycles > term) {
- writew(period_cycles, base + EP93XX_PWMx_TERM_COUNT);
- writew(duty_cycles, base + EP93XX_PWMx_DUTY_CYCLE);
- } else {
- writew(duty_cycles, base + EP93XX_PWMx_DUTY_CYCLE);
- writew(period_cycles, base + EP93XX_PWMx_TERM_COUNT);
- }
- } else {
- ret = -EINVAL;
- }
-
- if (!test_bit(PWMF_ENABLED, &pwm->flags))
- clk_disable(ep93xx_pwm->clk);
-
- return ret;
-}
-
-static int ep93xx_pwm_polarity(struct pwm_chip *chip, struct pwm_device *pwm,
- enum pwm_polarity polarity)
-{
- struct ep93xx_pwm *ep93xx_pwm = to_ep93xx_pwm(chip);
- int ret;
-
- /*
- * The clock needs to be enabled to access the PWM registers.
- * Polarity can only be changed when the PWM is disabled.
- */
- ret = clk_enable(ep93xx_pwm->clk);
- if (ret)
- return ret;
-
- if (polarity == PWM_POLARITY_INVERSED)
- writew(0x1, ep93xx_pwm->base + EP93XX_PWMx_INVERT);
- else
- writew(0x0, ep93xx_pwm->base + EP93XX_PWMx_INVERT);
-
- clk_disable(ep93xx_pwm->clk);
-
- return 0;
-}
-
-static int ep93xx_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm)
-{
- struct ep93xx_pwm *ep93xx_pwm = to_ep93xx_pwm(chip);
- int ret;
-
- ret = clk_enable(ep93xx_pwm->clk);
- if (ret)
- return ret;
-
- writew(0x1, ep93xx_pwm->base + EP93XX_PWMx_ENABLE);
-
- return 0;
-}
-
-static void ep93xx_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm)
-{
- struct ep93xx_pwm *ep93xx_pwm = to_ep93xx_pwm(chip);
-
- writew(0x0, ep93xx_pwm->base + EP93XX_PWMx_ENABLE);
- clk_disable(ep93xx_pwm->clk);
-}
-
-static const struct pwm_ops ep93xx_pwm_ops = {
- .request = ep93xx_pwm_request,
- .free = ep93xx_pwm_free,
- .config = ep93xx_pwm_config,
- .set_polarity = ep93xx_pwm_polarity,
- .enable = ep93xx_pwm_enable,
- .disable = ep93xx_pwm_disable,
- .owner = THIS_MODULE,
-};
-
-static int ep93xx_pwm_probe(struct platform_device *pdev)
-{
- struct ep93xx_pwm *ep93xx_pwm;
- struct resource *res;
- int ret;
-
- ep93xx_pwm = devm_kzalloc(&pdev->dev, sizeof(*ep93xx_pwm), GFP_KERNEL);
- if (!ep93xx_pwm)
- return -ENOMEM;
-
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- ep93xx_pwm->base = devm_ioremap_resource(&pdev->dev, res);
- if (IS_ERR(ep93xx_pwm->base))
- return PTR_ERR(ep93xx_pwm->base);
-
- ep93xx_pwm->clk = devm_clk_get(&pdev->dev, "pwm_clk");
- if (IS_ERR(ep93xx_pwm->clk))
- return PTR_ERR(ep93xx_pwm->clk);
-
- ep93xx_pwm->chip.dev = &pdev->dev;
- ep93xx_pwm->chip.ops = &ep93xx_pwm_ops;
- ep93xx_pwm->chip.base = -1;
- ep93xx_pwm->chip.npwm = 1;
-
- ret = pwmchip_add(&ep93xx_pwm->chip);
- if (ret < 0)
- return ret;
-
- platform_set_drvdata(pdev, ep93xx_pwm);
- return 0;
-}
-
-static int ep93xx_pwm_remove(struct platform_device *pdev)
-{
- struct ep93xx_pwm *ep93xx_pwm = platform_get_drvdata(pdev);
-
- return pwmchip_remove(&ep93xx_pwm->chip);
-}
-
-static struct platform_driver ep93xx_pwm_driver = {
- .driver = {
- .name = "ep93xx-pwm",
- },
- .probe = ep93xx_pwm_probe,
- .remove = ep93xx_pwm_remove,
-};
-module_platform_driver(ep93xx_pwm_driver);
-
-MODULE_DESCRIPTION("Cirrus Logic EP93xx PWM driver");
-MODULE_AUTHOR("Matthieu Crapet <mcrapet@gmail.com>, "
- "H Hartley Sweeten <hsweeten@visionengravers.com>");
-MODULE_ALIAS("platform:ep93xx-pwm");
-MODULE_LICENSE("GPL");
diff --git a/drivers/pwm/pwm-imx.c b/drivers/pwm/pwm-imx.c
index cc47733..2b7c4f8 100644
--- a/drivers/pwm/pwm-imx.c
+++ b/drivers/pwm/pwm-imx.c
@@ -16,7 +16,6 @@
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/pwm.h>
-#include <linux/of.h>
#include <linux/of_device.h>
/* i.MX1 and i.MX21 share the same PWM function block: */
@@ -297,7 +296,7 @@ static struct platform_driver imx_pwm_driver = {
.driver = {
.name = "imx-pwm",
.owner = THIS_MODULE,
- .of_match_table = imx_pwm_dt_ids,
+ .of_match_table = of_match_ptr(imx_pwm_dt_ids),
},
.probe = imx_pwm_probe,
.remove = imx_pwm_remove,
diff --git a/drivers/pwm/pwm-lpc32xx.c b/drivers/pwm/pwm-lpc32xx.c
index 9dc0f9d..efac99e0 100644
--- a/drivers/pwm/pwm-lpc32xx.c
+++ b/drivers/pwm/pwm-lpc32xx.c
@@ -169,7 +169,7 @@ static struct platform_driver lpc32xx_pwm_driver = {
.driver = {
.name = "lpc32xx-pwm",
.owner = THIS_MODULE,
- .of_match_table = lpc32xx_pwm_dt_ids,
+ .of_match_table = of_match_ptr(lpc32xx_pwm_dt_ids),
},
.probe = lpc32xx_pwm_probe,
.remove = lpc32xx_pwm_remove,
diff --git a/drivers/pwm/pwm-mxs.c b/drivers/pwm/pwm-mxs.c
index 9475bc7..c2c5a4f 100644
--- a/drivers/pwm/pwm-mxs.c
+++ b/drivers/pwm/pwm-mxs.c
@@ -189,7 +189,7 @@ static struct platform_driver mxs_pwm_driver = {
.driver = {
.name = "mxs-pwm",
.owner = THIS_MODULE,
- .of_match_table = mxs_pwm_dt_ids,
+ .of_match_table = of_match_ptr(mxs_pwm_dt_ids),
},
.probe = mxs_pwm_probe,
.remove = mxs_pwm_remove,
diff --git a/drivers/pwm/pwm-samsung.c b/drivers/pwm/pwm-samsung.c
index b59639e..fcc8b9a 100644
--- a/drivers/pwm/pwm-samsung.c
+++ b/drivers/pwm/pwm-samsung.c
@@ -18,7 +18,6 @@
#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/module.h>
-#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/pwm.h>
#include <linux/slab.h>
@@ -225,8 +224,8 @@ static int pwm_samsung_request(struct pwm_chip *chip, struct pwm_device *pwm)
static void pwm_samsung_free(struct pwm_chip *chip, struct pwm_device *pwm)
{
- devm_kfree(chip->dev, pwm_get_chip_data(pwm));
pwm_set_chip_data(pwm, NULL);
+ devm_kfree(chip->dev, pwm_get_chip_data(pwm));
}
static int pwm_samsung_enable(struct pwm_chip *chip, struct pwm_device *pwm)
diff --git a/drivers/pwm/pwm-tiecap.c b/drivers/pwm/pwm-tiecap.c
index 4e5c3d1..c2e2e58 100644
--- a/drivers/pwm/pwm-tiecap.c
+++ b/drivers/pwm/pwm-tiecap.c
@@ -26,6 +26,7 @@
#include <linux/pm_runtime.h>
#include <linux/pwm.h>
#include <linux/of_device.h>
+#include <linux/pinctrl/consumer.h>
#include "pwm-tipwmss.h"
@@ -207,6 +208,11 @@ static int ecap_pwm_probe(struct platform_device *pdev)
struct clk *clk;
struct ecap_pwm_chip *pc;
u16 status;
+ struct pinctrl *pinctrl;
+
+ pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
+ if (IS_ERR(pinctrl))
+ dev_warn(&pdev->dev, "unable to select pin group\n");
pc = devm_kzalloc(&pdev->dev, sizeof(*pc), GFP_KERNEL);
if (!pc) {
diff --git a/drivers/pwm/pwm-tiehrpwm.c b/drivers/pwm/pwm-tiehrpwm.c
index a4d8f51..084f552 100644
--- a/drivers/pwm/pwm-tiehrpwm.c
+++ b/drivers/pwm/pwm-tiehrpwm.c
@@ -26,6 +26,7 @@
#include <linux/clk.h>
#include <linux/pm_runtime.h>
#include <linux/of_device.h>
+#include <linux/pinctrl/consumer.h>
#include "pwm-tipwmss.h"
@@ -438,6 +439,11 @@ static int ehrpwm_pwm_probe(struct platform_device *pdev)
struct clk *clk;
struct ehrpwm_pwm_chip *pc;
u16 status;
+ struct pinctrl *pinctrl;
+
+ pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
+ if (IS_ERR(pinctrl))
+ dev_warn(&pdev->dev, "unable to select pin group\n");
pc = devm_kzalloc(&pdev->dev, sizeof(*pc), GFP_KERNEL);
if (!pc) {
diff --git a/drivers/pwm/pwm-twl-led.c b/drivers/pwm/pwm-twl-led.c
index b964470..29d1bba 100644
--- a/drivers/pwm/pwm-twl-led.c
+++ b/drivers/pwm/pwm-twl-led.c
@@ -21,7 +21,6 @@
*/
#include <linux/module.h>
-#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/pwm.h>
#include <linux/i2c/twl.h>
diff --git a/drivers/pwm/pwm-twl.c b/drivers/pwm/pwm-twl.c
index b99a50e..eef9105 100644
--- a/drivers/pwm/pwm-twl.c
+++ b/drivers/pwm/pwm-twl.c
@@ -18,7 +18,6 @@
*/
#include <linux/module.h>
-#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/pwm.h>
#include <linux/i2c/twl.h>