+// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2009 Wind River Systems, Inc.
* Tom Rix <Tom.Rix@windriver.com>
*
- * SPDX-License-Identifier: GPL-2.0
- *
* This work is derived from the linux 2.6.27 kernel source
* To fetch, use the kernel repository
* git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
#include <fdtdec.h>
#include <asm/gpio.h>
#include <asm/io.h>
-#include <asm/errno.h>
+#include <linux/errno.h>
#include <malloc.h>
-#include <dt-bindings/gpio/gpio.h>
DECLARE_GLOBAL_DATA_PTR;
return GPIOF_INPUT;
}
-static int omap_gpio_xlate(struct udevice *dev, struct gpio_desc *desc,
- struct fdtdec_phandle_args *args)
-{
- desc->offset = args->args[0];
- desc->flags = args->args[1] & GPIO_ACTIVE_LOW ? GPIOD_ACTIVE_LOW : 0;
-
- return 0;
-}
-
static const struct dm_gpio_ops gpio_omap_ops = {
.direction_input = omap_gpio_direction_input,
.direction_output = omap_gpio_direction_output,
.get_value = omap_gpio_get_value,
.set_value = omap_gpio_set_value,
.get_function = omap_gpio_get_function,
- .xlate = omap_gpio_xlate,
};
static int omap_gpio_probe(struct udevice *dev)
static int omap_gpio_bind(struct udevice *dev)
{
- struct omap_gpio_platdata *plat = dev->platdata;
+ struct omap_gpio_platdata *plat = dev_get_platdata(dev);
fdt_addr_t base_addr;
if (plat)
return 0;
- base_addr = dev_get_addr(dev);
+ base_addr = devfdt_get_addr(dev);
if (base_addr == FDT_ADDR_T_NONE)
- return -ENODEV;
+ return -EINVAL;
/*
* TODO:
* When every board is converted to driver model and DT is
* supported, this can be done by auto-alloc feature, but
* not using calloc to alloc memory for platdata.
+ *
+ * For example am33xx_gpio uses platform data rather than device tree.
+ *
+ * NOTE: DO NOT COPY this code if you are using device tree.
*/
plat = calloc(1, sizeof(*plat));
if (!plat)
return -ENOMEM;
plat->base = base_addr;
- plat->port_name = fdt_get_name(gd->fdt_blob, dev->of_offset, NULL);
+ plat->port_name = fdt_get_name(gd->fdt_blob, dev_of_offset(dev), NULL);
dev->platdata = plat;
return 0;
.bind = omap_gpio_bind,
.probe = omap_gpio_probe,
.priv_auto_alloc_size = sizeof(struct gpio_bank),
+ .flags = DM_FLAG_PRE_RELOC,
};
#endif /* CONFIG_DM_GPIO */