diff options
Diffstat (limited to 'drivers/pinctrl/pinctrl-mvebu.c')
| -rw-r--r-- | drivers/pinctrl/pinctrl-mvebu.c | 754 |
1 files changed, 0 insertions, 754 deletions
diff --git a/drivers/pinctrl/pinctrl-mvebu.c b/drivers/pinctrl/pinctrl-mvebu.c deleted file mode 100644 index 8e6266c6249a..000000000000 --- a/drivers/pinctrl/pinctrl-mvebu.c +++ /dev/null @@ -1,754 +0,0 @@ -/* - * Marvell MVEBU pinctrl core driver - * - * Authors: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> - * Thomas Petazzoni <thomas.petazzoni@free-electrons.com> - * - * 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. - */ - -#include <linux/platform_device.h> -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/io.h> -#include <linux/of.h> -#include <linux/of_address.h> -#include <linux/of_platform.h> -#include <linux/err.h> -#include <linux/gpio.h> -#include <linux/pinctrl/machine.h> -#include <linux/pinctrl/pinconf.h> -#include <linux/pinctrl/pinctrl.h> -#include <linux/pinctrl/pinmux.h> - -#include "core.h" -#include "pinctrl-mvebu.h" - -#define MPPS_PER_REG 8 -#define MPP_BITS 4 -#define MPP_MASK 0xf - -struct mvebu_pinctrl_function { - const char *name; - const char **groups; - unsigned num_groups; -}; - -struct mvebu_pinctrl_group { - const char *name; - struct mvebu_mpp_ctrl *ctrl; - struct mvebu_mpp_ctrl_setting *settings; - unsigned num_settings; - unsigned gid; - unsigned *pins; - unsigned npins; -}; - -struct mvebu_pinctrl { - struct device *dev; - struct pinctrl_dev *pctldev; - struct pinctrl_desc desc; - void __iomem *base; - struct mvebu_pinctrl_group *groups; - unsigned num_groups; - struct mvebu_pinctrl_function *functions; - unsigned num_functions; - u8 variant; -}; - -static struct mvebu_pinctrl_group *mvebu_pinctrl_find_group_by_pid( - struct mvebu_pinctrl *pctl, unsigned pid) -{ - unsigned n; - for (n = 0; n < pctl->num_groups; n++) { - if (pid >= pctl->groups[n].pins[0] && - pid < pctl->groups[n].pins[0] + - pctl->groups[n].npins) - return &pctl->groups[n]; - } - return NULL; -} - -static struct mvebu_pinctrl_group *mvebu_pinctrl_find_group_by_name( - struct mvebu_pinctrl *pctl, const char *name) -{ - unsigned n; - for (n = 0; n < pctl->num_groups; n++) { - if (strcmp(name, pctl->groups[n].name) == 0) - return &pctl->groups[n]; - } - return NULL; -} - -static struct mvebu_mpp_ctrl_setting *mvebu_pinctrl_find_setting_by_val( - struct mvebu_pinctrl *pctl, struct mvebu_pinctrl_group *grp, - unsigned long config) -{ - unsigned n; - for (n = 0; n < grp->num_settings; n++) { - if (config == grp->settings[n].val) { - if (!pctl->variant || (pctl->variant & - grp->settings[n].variant)) - return &grp->settings[n]; - } - } - return NULL; -} - -static struct mvebu_mpp_ctrl_setting *mvebu_pinctrl_find_setting_by_name( - struct mvebu_pinctrl *pctl, struct mvebu_pinctrl_group *grp, - const char *name) -{ - unsigned n; - for (n = 0; n < grp->num_settings; n++) { - if (strcmp(name, grp->settings[n].name) == 0) { - if (!pctl->variant || (pctl->variant & - grp->settings[n].variant)) - return &grp->settings[n]; - } - } - return NULL; -} - -static struct mvebu_mpp_ctrl_setting *mvebu_pinctrl_find_gpio_setting( - struct mvebu_pinctrl *pctl, struct mvebu_pinctrl_group *grp) -{ - unsigned n; - for (n = 0; n < grp->num_settings; n++) { - if (grp->settings[n].flags & - (MVEBU_SETTING_GPO | MVEBU_SETTING_GPI)) { - if (!pctl->variant || (pctl->variant & - grp->settings[n].variant)) - return &grp->settings[n]; - } - } - return NULL; -} - -static struct mvebu_pinctrl_function *mvebu_pinctrl_find_function_by_name( - struct mvebu_pinctrl *pctl, const char *name) -{ - unsigned n; - for (n = 0; n < pctl->num_functions; n++) { - if (strcmp(name, pctl->functions[n].name) == 0) - return &pctl->functions[n]; - } - return NULL; -} - -/* - * Common mpp pin configuration registers on MVEBU are - * registers of eight 4-bit values for each mpp setting. - * Register offset and bit mask are calculated accordingly below. - */ -static int mvebu_common_mpp_get(struct mvebu_pinctrl *pctl, - struct mvebu_pinctrl_group *grp, - unsigned long *config) -{ - unsigned pin = grp->gid; - unsigned off = (pin / MPPS_PER_REG) * MPP_BITS; - unsigned shift = (pin % MPPS_PER_REG) * MPP_BITS; - - *config = readl(pctl->base + off); - *config >>= shift; - *config &= MPP_MASK; - - return 0; -} - -static int mvebu_common_mpp_set(struct mvebu_pinctrl *pctl, - struct mvebu_pinctrl_group *grp, - unsigned long config) -{ - unsigned pin = grp->gid; - unsigned off = (pin / MPPS_PER_REG) * MPP_BITS; - unsigned shift = (pin % MPPS_PER_REG) * MPP_BITS; - unsigned long reg; - - reg = readl(pctl->base + off); - reg &= ~(MPP_MASK << shift); - reg |= (config << shift); - writel(reg, pctl->base + off); - - return 0; -} - -static int mvebu_pinconf_group_get(struct pinctrl_dev *pctldev, - unsigned gid, unsigned long *config) -{ - struct mvebu_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - struct mvebu_pinctrl_group *grp = &pctl->groups[gid]; - - if (!grp->ctrl) - return -EINVAL; - - if (grp->ctrl->mpp_get) - return grp->ctrl->mpp_get(grp->ctrl, config); - - return mvebu_common_mpp_get(pctl, grp, config); -} - -static int mvebu_pinconf_group_set(struct pinctrl_dev *pctldev, - unsigned gid, unsigned long config) -{ - struct mvebu_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - struct mvebu_pinctrl_group *grp = &pctl->groups[gid]; - - if (!grp->ctrl) - return -EINVAL; - - if (grp->ctrl->mpp_set) - return grp->ctrl->mpp_set(grp->ctrl, config); - - return mvebu_common_mpp_set(pctl, grp, config); -} - -static void mvebu_pinconf_group_dbg_show(struct pinctrl_dev *pctldev, - struct seq_file *s, unsigned gid) -{ - struct mvebu_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - struct mvebu_pinctrl_group *grp = &pctl->groups[gid]; - struct mvebu_mpp_ctrl_setting *curr; - unsigned long config; - unsigned n; - - if (mvebu_pinconf_group_get(pctldev, gid, &config)) - return; - - curr = mvebu_pinctrl_find_setting_by_val(pctl, grp, config); - - if (curr) { - seq_printf(s, "current: %s", curr->name); - if (curr->subname) - seq_printf(s, "(%s)", curr->subname); - if (curr->flags & (MVEBU_SETTING_GPO | MVEBU_SETTING_GPI)) { - seq_printf(s, "("); - if (curr->flags & MVEBU_SETTING_GPI) - seq_printf(s, "i"); - if (curr->flags & MVEBU_SETTING_GPO) - seq_printf(s, "o"); - seq_printf(s, ")"); - } - } else - seq_printf(s, "current: UNKNOWN"); - - if (grp->num_settings > 1) { - seq_printf(s, ", available = ["); - for (n = 0; n < grp->num_settings; n++) { - if (curr == &grp->settings[n]) - continue; - - /* skip unsupported settings for this variant */ - if (pctl->variant && - !(pctl->variant & grp->settings[n].variant)) - continue; - - seq_printf(s, " %s", grp->settings[n].name); - if (grp->settings[n].subname) - seq_printf(s, "(%s)", grp->settings[n].subname); - if (grp->settings[n].flags & - (MVEBU_SETTING_GPO | MVEBU_SETTING_GPI)) { - seq_printf(s, "("); - if (grp->settings[n].flags & MVEBU_SETTING_GPI) - seq_printf(s, "i"); - if (grp->settings[n].flags & MVEBU_SETTING_GPO) - seq_printf(s, "o"); - seq_printf(s, ")"); - } - } - seq_printf(s, " ]"); - } - return; -} - -static struct pinconf_ops mvebu_pinconf_ops = { - .pin_config_group_get = mvebu_pinconf_group_get, - .pin_config_group_set = mvebu_pinconf_group_set, - .pin_config_group_dbg_show = mvebu_pinconf_group_dbg_show, -}; - -static int mvebu_pinmux_get_funcs_count(struct pinctrl_dev *pctldev) -{ - struct mvebu_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - - return pctl->num_functions; -} - -static const char *mvebu_pinmux_get_func_name(struct pinctrl_dev *pctldev, - unsigned fid) -{ - struct mvebu_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - - return pctl->functions[fid].name; -} - -static int mvebu_pinmux_get_groups(struct pinctrl_dev *pctldev, unsigned fid, - const char * const **groups, - unsigned * const num_groups) -{ - struct mvebu_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - - *groups = pctl->functions[fid].groups; - *num_groups = pctl->functions[fid].num_groups; - return 0; -} - -static int mvebu_pinmux_enable(struct pinctrl_dev *pctldev, unsigned fid, - unsigned gid) -{ - struct mvebu_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - struct mvebu_pinctrl_function *func = &pctl->functions[fid]; - struct mvebu_pinctrl_group *grp = &pctl->groups[gid]; - struct mvebu_mpp_ctrl_setting *setting; - int ret; - - setting = mvebu_pinctrl_find_setting_by_name(pctl, grp, - func->name); - if (!setting) { - dev_err(pctl->dev, - "unable to find setting %s in group %s\n", - func->name, func->groups[gid]); - return -EINVAL; - } - - ret = mvebu_pinconf_group_set(pctldev, grp->gid, setting->val); - if (ret) { - dev_err(pctl->dev, "cannot set group %s to %s\n", - func->groups[gid], func->name); - return ret; - } - - return 0; -} - -static int mvebu_pinmux_gpio_request_enable(struct pinctrl_dev *pctldev, - struct pinctrl_gpio_range *range, unsigned offset) -{ - struct mvebu_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - struct mvebu_pinctrl_group *grp; - struct mvebu_mpp_ctrl_setting *setting; - - grp = mvebu_pinctrl_find_group_by_pid(pctl, offset); - if (!grp) - return -EINVAL; - - if (grp->ctrl->mpp_gpio_req) - return grp->ctrl->mpp_gpio_req(grp->ctrl, offset); - - setting = mvebu_pinctrl_find_gpio_setting(pctl, grp); - if (!setting) - return -ENOTSUPP; - - return mvebu_pinconf_group_set(pctldev, grp->gid, setting->val); -} - -static int mvebu_pinmux_gpio_set_direction(struct pinctrl_dev *pctldev, - struct pinctrl_gpio_range *range, unsigned offset, bool input) -{ - struct mvebu_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - struct mvebu_pinctrl_group *grp; - struct mvebu_mpp_ctrl_setting *setting; - - grp = mvebu_pinctrl_find_group_by_pid(pctl, offset); - if (!grp) - return -EINVAL; - - if (grp->ctrl->mpp_gpio_dir) - return grp->ctrl->mpp_gpio_dir(grp->ctrl, offset, input); - - setting = mvebu_pinctrl_find_gpio_setting(pctl, grp); - if (!setting) - return -ENOTSUPP; - - if ((input && (setting->flags & MVEBU_SETTING_GPI)) || - (!input && (setting->flags & MVEBU_SETTING_GPO))) - return 0; - - return -ENOTSUPP; -} - -static struct pinmux_ops mvebu_pinmux_ops = { - .get_functions_count = mvebu_pinmux_get_funcs_count, - .get_function_name = mvebu_pinmux_get_func_name, - .get_function_groups = mvebu_pinmux_get_groups, - .gpio_request_enable = mvebu_pinmux_gpio_request_enable, - .gpio_set_direction = mvebu_pinmux_gpio_set_direction, - .enable = mvebu_pinmux_enable, -}; - -static int mvebu_pinctrl_get_groups_count(struct pinctrl_dev *pctldev) -{ - struct mvebu_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - return pctl->num_groups; -} - -static const char *mvebu_pinctrl_get_group_name(struct pinctrl_dev *pctldev, - unsigned gid) -{ - struct mvebu_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - return pctl->groups[gid].name; -} - -static int mvebu_pinctrl_get_group_pins(struct pinctrl_dev *pctldev, - unsigned gid, const unsigned **pins, - unsigned *num_pins) -{ - struct mvebu_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - *pins = pctl->groups[gid].pins; - *num_pins = pctl->groups[gid].npins; - return 0; -} - -static int mvebu_pinctrl_dt_node_to_map(struct pinctrl_dev *pctldev, - struct device_node *np, - struct pinctrl_map **map, - unsigned *num_maps) -{ - struct mvebu_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - struct property *prop; - const char *function; - const char *group; - int ret, nmaps, n; - - *map = NULL; - *num_maps = 0; - - ret = of_property_read_string(np, "marvell,function", &function); - if (ret) { - dev_err(pctl->dev, - "missing marvell,function in node %s\n", np->name); - return 0; - } - - nmaps = of_property_count_strings(np, "marvell,pins"); - if (nmaps < 0) { - dev_err(pctl->dev, - "missing marvell,pins in node %s\n", np->name); - return 0; - } - - *map = kmalloc(nmaps * sizeof(struct pinctrl_map), GFP_KERNEL); - if (map == NULL) { - dev_err(pctl->dev, - "cannot allocate pinctrl_map memory for %s\n", - np->name); - return -ENOMEM; - } - - n = 0; - of_property_for_each_string(np, "marvell,pins", prop, group) { - struct mvebu_pinctrl_group *grp = - mvebu_pinctrl_find_group_by_name(pctl, group); - - if (!grp) { - dev_err(pctl->dev, "unknown pin %s", group); - continue; - } - - if (!mvebu_pinctrl_find_setting_by_name(pctl, grp, function)) { - dev_err(pctl->dev, "unsupported function %s on pin %s", - function, group); - continue; - } - - (*map)[n].type = PIN_MAP_TYPE_MUX_GROUP; - (*map)[n].data.mux.group = group; - (*map)[n].data.mux.function = function; - n++; - } - - *num_maps = nmaps; - - return 0; -} - -static void mvebu_pinctrl_dt_free_map(struct pinctrl_dev *pctldev, - struct pinctrl_map *map, unsigned num_maps) -{ - kfree(map); -} - -static struct pinctrl_ops mvebu_pinctrl_ops = { - .get_groups_count = mvebu_pinctrl_get_groups_count, - .get_group_name = mvebu_pinctrl_get_group_name, - .get_group_pins = mvebu_pinctrl_get_group_pins, - .dt_node_to_map = mvebu_pinctrl_dt_node_to_map, - .dt_free_map = mvebu_pinctrl_dt_free_map, -}; - -static int __devinit _add_function(struct mvebu_pinctrl_function *funcs, - const char *name) -{ - while (funcs->num_groups) { - /* function already there */ - if (strcmp(funcs->name, name) == 0) { - funcs->num_groups++; - return -EEXIST; - } - funcs++; - } - funcs->name = name; - funcs->num_groups = 1; - return 0; -} - -static int __devinit mvebu_pinctrl_build_functions(struct platform_device *pdev, - struct mvebu_pinctrl *pctl) -{ - struct mvebu_pinctrl_function *funcs; - int num = 0; - int n, s; - - /* we allocate functions for number of pins and hope - * there are less unique functions than pins available */ - funcs = devm_kzalloc(&pdev->dev, pctl->desc.npins * - sizeof(struct mvebu_pinctrl_function), GFP_KERNEL); - if (!funcs) - return -ENOMEM; - - for (n = 0; n < pctl->num_groups; n++) { - struct mvebu_pinctrl_group *grp = &pctl->groups[n]; - for (s = 0; s < grp->num_settings; s++) { - /* skip unsupported settings on this variant */ - if (pctl->variant && - !(pctl->variant & grp->settings[s].variant)) - continue; - - /* check for unique functions and count groups */ - if (_add_function(funcs, grp->settings[s].name)) - continue; - - num++; - } - } - - /* with the number of unique functions and it's groups known, - reallocate functions and assign group names */ - funcs = krealloc(funcs, num * sizeof(struct mvebu_pinctrl_function), - GFP_KERNEL); - if (!funcs) - return -ENOMEM; - - pctl->num_functions = num; - pctl->functions = funcs; - - for (n = 0; n < pctl->num_groups; n++) { - struct mvebu_pinctrl_group *grp = &pctl->groups[n]; - for (s = 0; s < grp->num_settings; s++) { - struct mvebu_pinctrl_function *f; - const char **groups; - - /* skip unsupported settings on this variant */ - if (pctl->variant && - !(pctl->variant & grp->settings[s].variant)) - continue; - - f = mvebu_pinctrl_find_function_by_name(pctl, - grp->settings[s].name); - - /* allocate group name array if not done already */ - if (!f->groups) { - f->groups = devm_kzalloc(&pdev->dev, - f->num_groups * sizeof(char *), - GFP_KERNEL); - if (!f->groups) - return -ENOMEM; - } - - /* find next free group name and assign current name */ - groups = f->groups; - while (*groups) - groups++; - *groups = grp->name; - } - } - - return 0; -} - -int __devinit mvebu_pinctrl_probe(struct platform_device *pdev) -{ - struct mvebu_pinctrl_soc_info *soc = dev_get_platdata(&pdev->dev); - struct device_node *np = pdev->dev.of_node; - struct mvebu_pinctrl *pctl; - void __iomem *base; - struct pinctrl_pin_desc *pdesc; - unsigned gid, n, k; - int ret; - - if (!soc || !soc->controls || !soc->modes) { - dev_err(&pdev->dev, "wrong pinctrl soc info\n"); - return -EINVAL; - } - - base = of_iomap(np, 0); - if (!base) { - dev_err(&pdev->dev, "unable to get base address\n"); - return -ENODEV; - } - - pctl = devm_kzalloc(&pdev->dev, sizeof(struct mvebu_pinctrl), - GFP_KERNEL); - if (!pctl) { - dev_err(&pdev->dev, "unable to alloc driver\n"); - return -ENOMEM; - } - - pctl->desc.name = dev_name(&pdev->dev); - pctl->desc.owner = THIS_MODULE; - pctl->desc.pctlops = &mvebu_pinctrl_ops; - pctl->desc.pmxops = &mvebu_pinmux_ops; - pctl->desc.confops = &mvebu_pinconf_ops; - pctl->variant = soc->variant; - pctl->base = base; - pctl->dev = &pdev->dev; - platform_set_drvdata(pdev, pctl); - - /* count controls and create names for mvebu generic - register controls; also does sanity checks */ - pctl->num_groups = 0; - pctl->desc.npins = 0; - for (n = 0; n < soc->ncontrols; n++) { - struct mvebu_mpp_ctrl *ctrl = &soc->controls[n]; - char *names; - - pctl->desc.npins += ctrl->npins; - /* initial control pins */ - for (k = 0; k < ctrl->npins; k++) - ctrl->pins[k] = ctrl->pid + k; - - /* special soc specific control */ - if (ctrl->mpp_get || ctrl->mpp_set) { - if (!ctrl->name || !ctrl->mpp_set || !ctrl->mpp_set) { - dev_err(&pdev->dev, "wrong soc control info\n"); - return -EINVAL; - } - pctl->num_groups += 1; - continue; - } - - /* generic mvebu register control */ - names = devm_kzalloc(&pdev->dev, ctrl->npins * 8, GFP_KERNEL); - if (!names) { - dev_err(&pdev->dev, "failed to alloc mpp names\n"); - return -ENOMEM; - } - for (k = 0; k < ctrl->npins; k++) - sprintf(names + 8*k, "mpp%d", ctrl->pid+k); - ctrl->name = names; - pctl->num_groups += ctrl->npins; - } - - pdesc = devm_kzalloc(&pdev->dev, pctl->desc.npins * - sizeof(struct pinctrl_pin_desc), GFP_KERNEL); - if (!pdesc) { - dev_err(&pdev->dev, "failed to alloc pinctrl pins\n"); - return -ENOMEM; - } - - for (n = 0; n < pctl->desc.npins; n++) - pdesc[n].number = n; - pctl->desc.pins = pdesc; - - pctl->groups = devm_kzalloc(&pdev->dev, pctl->num_groups * - sizeof(struct mvebu_pinctrl_group), GFP_KERNEL); - if (!pctl->groups) { - dev_err(&pdev->dev, "failed to alloc pinctrl groups\n"); - return -ENOMEM; - } - - /* assign mpp controls to groups */ - gid = 0; - for (n = 0; n < soc->ncontrols; n++) { - struct mvebu_mpp_ctrl *ctrl = &soc->controls[n]; - pctl->groups[gid].gid = gid; - pctl->groups[gid].ctrl = ctrl; - pctl->groups[gid].name = ctrl->name; - pctl->groups[gid].pins = ctrl->pins; - pctl->groups[gid].npins = ctrl->npins; - - /* generic mvebu register control maps to a number of groups */ - if (!ctrl->mpp_get && !ctrl->mpp_set) { - pctl->groups[gid].npins = 1; - - for (k = 1; k < ctrl->npins; k++) { - gid++; - pctl->groups[gid].gid = gid; - pctl->groups[gid].ctrl = ctrl; - pctl->groups[gid].name = &ctrl->name[8*k]; - pctl->groups[gid].pins = &ctrl->pins[k]; - pctl->groups[gid].npins = 1; - } - } - gid++; - } - - /* assign mpp modes to groups */ - for (n = 0; n < soc->nmodes; n++) { - struct mvebu_mpp_mode *mode = &soc->modes[n]; - struct mvebu_pinctrl_group *grp = - mvebu_pinctrl_find_group_by_pid(pctl, mode->pid); - unsigned num_settings; - - if (!grp) { - dev_warn(&pdev->dev, "unknown pinctrl group %d\n", - mode->pid); - continue; - } - - for (num_settings = 0; ;) { - struct mvebu_mpp_ctrl_setting *set = - &mode->settings[num_settings]; - - if (!set->name) - break; - num_settings++; - - /* skip unsupported settings for this variant */ - if (pctl->variant && !(pctl->variant & set->variant)) - continue; - - /* find gpio/gpo/gpi settings */ - if (strcmp(set->name, "gpio") == 0) - set->flags = MVEBU_SETTING_GPI | - MVEBU_SETTING_GPO; - else if (strcmp(set->name, "gpo") == 0) - set->flags = MVEBU_SETTING_GPO; - else if (strcmp(set->name, "gpi") == 0) - set->flags = MVEBU_SETTING_GPI; - } - - grp->settings = mode->settings; - grp->num_settings = num_settings; - } - - ret = mvebu_pinctrl_build_functions(pdev, pctl); - if (ret) { - dev_err(&pdev->dev, "unable to build functions\n"); - return ret; - } - - pctl->pctldev = pinctrl_register(&pctl->desc, &pdev->dev, pctl); - if (!pctl->pctldev) { - dev_err(&pdev->dev, "unable to register pinctrl driver\n"); - return -EINVAL; - } - - dev_info(&pdev->dev, "registered pinctrl driver\n"); - - /* register gpio ranges */ - for (n = 0; n < soc->ngpioranges; n++) - pinctrl_add_gpio_range(pctl->pctldev, &soc->gpioranges[n]); - - return 0; -} - -int __devexit mvebu_pinctrl_remove(struct platform_device *pdev) -{ - struct mvebu_pinctrl *pctl = platform_get_drvdata(pdev); - pinctrl_unregister(pctl->pctldev); - return 0; -} |