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path: root/drivers/pinctrl/pinctrl-bcm2835.c
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Diffstat (limited to 'drivers/pinctrl/pinctrl-bcm2835.c')
-rw-r--r--drivers/pinctrl/pinctrl-bcm2835.c45
1 files changed, 26 insertions, 19 deletions
diff --git a/drivers/pinctrl/pinctrl-bcm2835.c b/drivers/pinctrl/pinctrl-bcm2835.c
index b8e9b60372..57c1aee3af 100644
--- a/drivers/pinctrl/pinctrl-bcm2835.c
+++ b/drivers/pinctrl/pinctrl-bcm2835.c
@@ -1,20 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Author: Carlo Caione <carlo@carlocaione.org>
*
* GPIO code based on linux/arch/arm/mach-bcm2708/bcm2708_gpio.c
*
* pinctrl part added by Tomaz Solc <tomaz.solc@tablix.org>
- *
- * 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 <common.h>
@@ -52,6 +42,10 @@ struct bcm2835_gpio_chip {
struct pinctrl_device pctl;
};
+struct plat_data {
+ unsigned ngpios;
+};
+
static int bcm2835_set_function(struct gpio_chip *chip, unsigned gpio, int function)
{
struct bcm2835_gpio_chip *bcmgpio = container_of(chip, struct bcm2835_gpio_chip, chip);
@@ -147,12 +141,15 @@ static struct pinctrl_ops bcm2835_pinctrl_ops = {
.set_state = bcm2835_pinctrl_set_state,
};
-static int bcm2835_gpio_probe(struct device_d *dev)
+static int bcm2835_gpio_probe(struct device *dev)
{
+ const struct plat_data *plat_data;
struct resource *iores;
struct bcm2835_gpio_chip *bcmgpio;
int ret;
+ plat_data = device_get_match_data(dev);
+
bcmgpio = xzalloc(sizeof(*bcmgpio));
iores = dev_request_mem_resource(dev, 0);
if (IS_ERR(iores))
@@ -160,7 +157,8 @@ static int bcm2835_gpio_probe(struct device_d *dev)
bcmgpio->base = IOMEM(iores->start);
bcmgpio->chip.ops = &bcm2835_gpio_ops;
bcmgpio->chip.base = 0;
- bcmgpio->chip.ngpio = 54;
+ bcmgpio->chip.ngpio = plat_data->ngpios;
+
bcmgpio->chip.dev = dev;
bcmgpio->pctl.ops = &bcm2835_pinctrl_ops;
bcmgpio->pctl.dev = dev;
@@ -191,22 +189,31 @@ err:
return ret;
}
+static const struct plat_data bcm2835_plat_data = {
+ .ngpios = 54,
+};
+
+static const struct plat_data bcm2711_plat_data = {
+ .ngpios = 58,
+};
+
static __maybe_unused struct of_device_id bcm2835_gpio_dt_ids[] = {
{
.compatible = "brcm,bcm2835-gpio",
+ .data = &bcm2835_plat_data,
+ }, {
+ .compatible = "brcm,bcm2711-gpio",
+ .data = &bcm2711_plat_data,
}, {
/* sentinel */
}
};
+MODULE_DEVICE_TABLE(of, bcm2835_gpio_dt_ids);
-static struct driver_d bcm2835_gpio_driver = {
+static struct driver bcm2835_gpio_driver = {
.name = "bcm2835-gpio",
.probe = bcm2835_gpio_probe,
.of_compatible = DRV_OF_COMPAT(bcm2835_gpio_dt_ids),
};
-static int bcm2835_gpio_add(void)
-{
- return platform_driver_register(&bcm2835_gpio_driver);
-}
-coredevice_initcall(bcm2835_gpio_add);
+core_platform_driver(bcm2835_gpio_driver);