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path: root/drivers/pinctrl/pxa/pinctrl-pxa2xx.c
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Diffstat (limited to 'drivers/pinctrl/pxa/pinctrl-pxa2xx.c')
-rw-r--r--drivers/pinctrl/pxa/pinctrl-pxa2xx.c81
1 files changed, 32 insertions, 49 deletions
diff --git a/drivers/pinctrl/pxa/pinctrl-pxa2xx.c b/drivers/pinctrl/pxa/pinctrl-pxa2xx.c
index 6cf0006d4c8d..9fd7a8fb2bc4 100644
--- a/drivers/pinctrl/pxa/pinctrl-pxa2xx.c
+++ b/drivers/pinctrl/pxa/pinctrl-pxa2xx.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Marvell PXA2xx family pin control
*
* Copyright (C) 2015 Robert Jarzmik
- *
- * 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; version 2 of the License.
- *
*/
#include <linux/bitops.h>
@@ -14,6 +10,7 @@
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/module.h>
+#include <linux/pinctrl/machine.h>
#include <linux/pinctrl/pinconf.h>
#include <linux/pinctrl/pinconf-generic.h>
#include <linux/pinctrl/pinmux.h>
@@ -35,7 +32,7 @@ static const char *pxa2xx_pctrl_get_group_name(struct pinctrl_dev *pctldev,
unsigned tgroup)
{
struct pxa_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);
- struct pxa_pinctrl_group *group = pctl->groups + tgroup;
+ struct pingroup *group = pctl->groups + tgroup;
return group->name;
}
@@ -46,10 +43,10 @@ static int pxa2xx_pctrl_get_group_pins(struct pinctrl_dev *pctldev,
unsigned *num_pins)
{
struct pxa_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);
- struct pxa_pinctrl_group *group = pctl->groups + tgroup;
+ struct pingroup *group = pctl->groups + tgroup;
- *pins = (unsigned *)&group->pin;
- *num_pins = 1;
+ *pins = group->pins;
+ *num_pins = group->npins;
return 0;
}
@@ -112,7 +109,7 @@ static const char *pxa2xx_pmx_get_func_name(struct pinctrl_dev *pctldev,
unsigned function)
{
struct pxa_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);
- struct pxa_pinctrl_function *pf = pctl->functions + function;
+ struct pinfunction *pf = pctl->functions + function;
return pf->name;
}
@@ -130,7 +127,7 @@ static int pxa2xx_pmx_get_func_groups(struct pinctrl_dev *pctldev,
unsigned * const num_groups)
{
struct pxa_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);
- struct pxa_pinctrl_function *pf = pctl->functions + function;
+ struct pinfunction *pf = pctl->functions + function;
*groups = pf->groups;
*num_groups = pf->ngroups;
@@ -142,20 +139,18 @@ static int pxa2xx_pmx_set_mux(struct pinctrl_dev *pctldev, unsigned function,
unsigned tgroup)
{
struct pxa_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);
- struct pxa_pinctrl_group *group = pctl->groups + tgroup;
+ struct pingroup *g = pctl->groups + tgroup;
+ unsigned int pin = g->pins[0];
struct pxa_desc_function *df;
- int pin, shift;
unsigned long flags;
void __iomem *gafr, *gpdr;
+ int shift;
u32 val;
-
- df = pxa_desc_by_func_group(pctl, group->name,
- (pctl->functions + function)->name);
+ df = pxa_desc_by_func_group(pctl, g->name, (pctl->functions + function)->name);
if (!df)
return -EINVAL;
- pin = group->pin;
gafr = pctl->base_gafr[pin / 16];
gpdr = pctl->base_gpdr[pin / 32];
shift = (pin % 16) << 1;
@@ -189,15 +184,15 @@ static int pxa2xx_pconf_group_get(struct pinctrl_dev *pctldev,
unsigned long *config)
{
struct pxa_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);
- struct pxa_pinctrl_group *g = pctl->groups + group;
+ struct pingroup *g = pctl->groups + group;
+ unsigned int pin = g->pins[0];
unsigned long flags;
- unsigned pin = g->pin;
void __iomem *pgsr = pctl->base_pgsr[pin / 32];
u32 val;
spin_lock_irqsave(&pctl->lock, flags);
val = readl_relaxed(pgsr) & BIT(pin % 32);
- *config = val ? PIN_CONFIG_LOW_POWER_MODE : 0;
+ *config = val ? PIN_CONFIG_MODE_LOW_POWER : 0;
spin_unlock_irqrestore(&pctl->lock, flags);
dev_dbg(pctl->dev, "get sleep gpio state(pin=%d) %d\n",
@@ -211,16 +206,16 @@ static int pxa2xx_pconf_group_set(struct pinctrl_dev *pctldev,
unsigned num_configs)
{
struct pxa_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);
- struct pxa_pinctrl_group *g = pctl->groups + group;
+ struct pingroup *g = pctl->groups + group;
+ unsigned int pin = g->pins[0];
unsigned long flags;
- unsigned pin = g->pin;
void __iomem *pgsr = pctl->base_pgsr[pin / 32];
int i, is_set = 0;
u32 val;
for (i = 0; i < num_configs; i++) {
switch (pinconf_to_config_param(configs[i])) {
- case PIN_CONFIG_LOW_POWER_MODE:
+ case PIN_CONFIG_MODE_LOW_POWER:
is_set = pinconf_to_config_argument(configs[i]);
break;
default:
@@ -252,11 +247,11 @@ static struct pinctrl_desc pxa2xx_pinctrl_desc = {
.pmxops = &pxa2xx_pinmux_ops,
};
-static const struct pxa_pinctrl_function *
-pxa2xx_find_function(struct pxa_pinctrl *pctl, const char *fname,
- const struct pxa_pinctrl_function *functions)
+static const struct pinfunction *pxa2xx_find_function(struct pxa_pinctrl *pctl,
+ const char *fname,
+ const struct pinfunction *functions)
{
- const struct pxa_pinctrl_function *func;
+ const struct pinfunction *func;
for (func = functions; func->name; func++)
if (!strcmp(fname, func->name))
@@ -267,8 +262,8 @@ pxa2xx_find_function(struct pxa_pinctrl *pctl, const char *fname,
static int pxa2xx_build_functions(struct pxa_pinctrl *pctl)
{
+ struct pinfunction *functions;
int i;
- struct pxa_pinctrl_function *functions;
struct pxa_desc_function *df;
/*
@@ -286,9 +281,8 @@ static int pxa2xx_build_functions(struct pxa_pinctrl *pctl)
for (df = pctl->ppins[i].functions; df->name; df++)
if (!pxa2xx_find_function(pctl, df->name, functions))
(functions + pctl->nfuncs++)->name = df->name;
- pctl->functions = devm_kmemdup(pctl->dev, functions,
- pctl->nfuncs * sizeof(*functions),
- GFP_KERNEL);
+ pctl->functions = devm_kmemdup_array(pctl->dev, functions, pctl->nfuncs,
+ sizeof(*functions), GFP_KERNEL);
if (!pctl->functions)
return -ENOMEM;
@@ -299,9 +293,9 @@ static int pxa2xx_build_functions(struct pxa_pinctrl *pctl)
static int pxa2xx_build_groups(struct pxa_pinctrl *pctl)
{
int i, j, ngroups;
- struct pxa_pinctrl_function *func;
struct pxa_desc_function *df;
- char **gtmp;
+ struct pinfunction *func;
+ const char **gtmp;
gtmp = devm_kmalloc_array(pctl->dev, pctl->npins, sizeof(*gtmp),
GFP_KERNEL);
@@ -319,13 +313,10 @@ static int pxa2xx_build_groups(struct pxa_pinctrl *pctl)
pctl->ppins[j].pin.name;
func = pctl->functions + i;
func->ngroups = ngroups;
- func->groups =
- devm_kmalloc_array(pctl->dev, ngroups,
- sizeof(char *), GFP_KERNEL);
+ func->groups = devm_kmemdup_array(pctl->dev, gtmp, ngroups,
+ sizeof(*gtmp), GFP_KERNEL);
if (!func->groups)
return -ENOMEM;
-
- memcpy(func->groups, gtmp, ngroups * sizeof(*gtmp));
}
devm_kfree(pctl->dev, gtmp);
@@ -335,8 +326,8 @@ static int pxa2xx_build_groups(struct pxa_pinctrl *pctl)
static int pxa2xx_build_state(struct pxa_pinctrl *pctl,
const struct pxa_desc_pin *ppins, int npins)
{
- struct pxa_pinctrl_group *group;
struct pinctrl_pin_desc *pins;
+ struct pingroup *group;
int ret, i;
pctl->npins = npins;
@@ -360,7 +351,8 @@ static int pxa2xx_build_state(struct pxa_pinctrl *pctl,
for (i = 0; i < npins; i++) {
group = pctl->groups + i;
group->name = ppins[i].pin.name;
- group->pin = ppins[i].pin.number;
+ group->pins = &ppins[i].pin.number;
+ group->npins = 1;
}
ret = pxa2xx_build_functions(pctl);
@@ -428,15 +420,6 @@ int pxa2xx_pinctrl_init(struct platform_device *pdev,
}
EXPORT_SYMBOL_GPL(pxa2xx_pinctrl_init);
-int pxa2xx_pinctrl_exit(struct platform_device *pdev)
-{
- struct pxa_pinctrl *pctl = platform_get_drvdata(pdev);
-
- pinctrl_unregister(pctl->pctl_dev);
- return 0;
-}
-EXPORT_SYMBOL_GPL(pxa2xx_pinctrl_exit);
-
MODULE_AUTHOR("Robert Jarzmik <robert.jarzmik@free.fr>");
MODULE_DESCRIPTION("Marvell PXA2xx pinctrl driver");
MODULE_LICENSE("GPL v2");