+// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2012 Henrik Nordstrom <henrik@henriknordstrom.net>
*
* (C) Copyright 2007-2011
* Allwinner Technology Co., Ltd. <www.allwinnertech.com>
* Tom Cubie <tangliang@allwinnertech.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <errno.h>
#include <fdtdec.h>
#include <malloc.h>
+#include <asm/arch/gpio.h>
#include <asm/io.h>
#include <asm/gpio.h>
#include <dm/device-internal.h>
-#ifdef CONFIG_AXP209_POWER
-#include <axp209.h>
-#endif
-#ifdef CONFIG_AXP221_POWER
-#include <axp221.h>
-#endif
-
-DECLARE_GLOBAL_DATA_PTR;
+#include <dt-bindings/gpio/gpio.h>
#define SUNXI_GPIOS_PER_BANK SUNXI_GPIO_A_NR
int gpio_direction_input(unsigned gpio)
{
-#ifdef AXP_GPIO
- if (gpio >= SUNXI_GPIO_AXP0_START)
- return axp_gpio_direction_input(gpio - SUNXI_GPIO_AXP0_START);
-#endif
sunxi_gpio_set_cfgpin(gpio, SUNXI_GPIO_INPUT);
return 0;
int gpio_direction_output(unsigned gpio, int value)
{
-#ifdef AXP_GPIO
- if (gpio >= SUNXI_GPIO_AXP0_START)
- return axp_gpio_direction_output(gpio - SUNXI_GPIO_AXP0_START,
- value);
-#endif
sunxi_gpio_set_cfgpin(gpio, SUNXI_GPIO_OUTPUT);
return sunxi_gpio_output(gpio, value);
int gpio_get_value(unsigned gpio)
{
-#ifdef AXP_GPIO
- if (gpio >= SUNXI_GPIO_AXP0_START)
- return axp_gpio_get_value(gpio - SUNXI_GPIO_AXP0_START);
-#endif
return sunxi_gpio_input(gpio);
}
int gpio_set_value(unsigned gpio, int value)
{
-#ifdef AXP_GPIO
- if (gpio >= SUNXI_GPIO_AXP0_START)
- return axp_gpio_set_value(gpio - SUNXI_GPIO_AXP0_START, value);
-#endif
return sunxi_gpio_output(gpio, value);
}
-int sunxi_name_to_gpio_bank(const char *name)
-{
- int group = 0;
-
- if (*name == 'P' || *name == 'p')
- name++;
- if (*name >= 'A') {
- group = *name - (*name > 'a' ? 'a' : 'A');
- return group;
- }
-
- return -1;
-}
-
int sunxi_name_to_gpio(const char *name)
{
int group = 0;
long pin;
char *eptr;
-#ifdef AXP_GPIO
- if (strncasecmp(name, "AXP0-", 5) == 0) {
- name += 5;
- if (strcmp(name, "VBUS-DETECT") == 0)
- return SUNXI_GPIO_AXP0_START +
- SUNXI_GPIO_AXP0_VBUS_DETECT;
- if (strcmp(name, "VBUS-ENABLE") == 0)
- return SUNXI_GPIO_AXP0_START +
- SUNXI_GPIO_AXP0_VBUS_ENABLE;
- pin = simple_strtol(name, &eptr, 10);
- if (!*name || *eptr)
- return -1;
- return SUNXI_GPIO_AXP0_START + pin;
- }
-#endif
if (*name == 'P' || *name == 'p')
name++;
if (*name >= 'A') {
}
#endif
+int sunxi_name_to_gpio_bank(const char *name)
+{
+ int group = 0;
+
+ if (*name == 'P' || *name == 'p')
+ name++;
+ if (*name >= 'A') {
+ group = *name - (*name > 'a' ? 'a' : 'A');
+ return group;
+ }
+
+ return -1;
+}
+
#ifdef CONFIG_DM_GPIO
/* TODO(sjg@chromium.org): Remove this function and use device tree */
int sunxi_name_to_gpio(const char *name)
{
unsigned int gpio;
int ret;
-
+#if !defined CONFIG_SPL_BUILD && defined CONFIG_AXP_GPIO
+ char lookup[8];
+
+ if (strcasecmp(name, "AXP0-VBUS-DETECT") == 0) {
+ sprintf(lookup, SUNXI_GPIO_AXP0_PREFIX "%d",
+ SUNXI_GPIO_AXP0_VBUS_DETECT);
+ name = lookup;
+ } else if (strcasecmp(name, "AXP0-VBUS-ENABLE") == 0) {
+ sprintf(lookup, SUNXI_GPIO_AXP0_PREFIX "%d",
+ SUNXI_GPIO_AXP0_VBUS_ENABLE);
+ name = lookup;
+ }
+#endif
ret = gpio_lookup_name(name, NULL, NULL, &gpio);
return ret ? ret : gpio;
return GPIOF_FUNC;
}
+static int sunxi_gpio_xlate(struct udevice *dev, struct gpio_desc *desc,
+ struct ofnode_phandle_args *args)
+{
+ int ret;
+
+ ret = device_get_child(dev, args->args[0], &desc->dev);
+ if (ret)
+ return ret;
+ desc->offset = args->args[1];
+ desc->flags = args->args[2] & GPIO_ACTIVE_LOW ? GPIOD_ACTIVE_LOW : 0;
+
+ return 0;
+}
+
static const struct dm_gpio_ops gpio_sunxi_ops = {
.direction_input = sunxi_gpio_direction_input,
.direction_output = sunxi_gpio_direction_output,
.get_value = sunxi_gpio_get_value,
.set_value = sunxi_gpio_set_value,
.get_function = sunxi_gpio_get_function,
+ .xlate = sunxi_gpio_xlate,
};
/**
return 0;
}
+
+struct sunxi_gpio_soc_data {
+ int start;
+ int no_banks;
+};
+
/**
* We have a top-level GPIO device with no actual GPIOs. It has a child
* device for each Sunxi bank.
*/
static int gpio_sunxi_bind(struct udevice *parent)
{
+ struct sunxi_gpio_soc_data *soc_data =
+ (struct sunxi_gpio_soc_data *)dev_get_driver_data(parent);
struct sunxi_gpio_platdata *plat = parent->platdata;
struct sunxi_gpio_reg *ctlr;
- int bank;
- int ret;
+ int bank, ret;
/* If this is a child device, there is nothing to do here */
if (plat)
return 0;
- ctlr = (struct sunxi_gpio_reg *)fdtdec_get_addr(gd->fdt_blob,
- parent->of_offset, "reg");
- for (bank = 0; bank < SUNXI_GPIO_BANKS; bank++) {
+ ctlr = (struct sunxi_gpio_reg *)devfdt_get_addr(parent);
+ for (bank = 0; bank < soc_data->no_banks; bank++) {
struct sunxi_gpio_platdata *plat;
struct udevice *dev;
if (!plat)
return -ENOMEM;
plat->regs = &ctlr->gpio_bank[bank];
- plat->bank_name = gpio_bank_name(bank);
+ plat->bank_name = gpio_bank_name(soc_data->start + bank);
plat->gpio_count = SUNXI_GPIOS_PER_BANK;
ret = device_bind(parent, parent->driver,
plat->bank_name, plat, -1, &dev);
if (ret)
return ret;
- dev->of_offset = parent->of_offset;
+ dev_set_of_offset(dev, dev_of_offset(parent));
}
return 0;
}
+static const struct sunxi_gpio_soc_data soc_data_a_all = {
+ .start = 0,
+ .no_banks = SUNXI_GPIO_BANKS,
+};
+
+static const struct sunxi_gpio_soc_data soc_data_l_1 = {
+ .start = 'L' - 'A',
+ .no_banks = 1,
+};
+
+static const struct sunxi_gpio_soc_data soc_data_l_2 = {
+ .start = 'L' - 'A',
+ .no_banks = 2,
+};
+
+static const struct sunxi_gpio_soc_data soc_data_l_3 = {
+ .start = 'L' - 'A',
+ .no_banks = 3,
+};
+
+#define ID(_compat_, _soc_data_) \
+ { .compatible = _compat_, .data = (ulong)&soc_data_##_soc_data_ }
+
static const struct udevice_id sunxi_gpio_ids[] = {
- { .compatible = "allwinner,sun4i-a10-pinctrl" },
- { .compatible = "allwinner,sun5i-a10s-pinctrl" },
- { .compatible = "allwinner,sun5i-a13-pinctrl" },
- { .compatible = "allwinner,sun6i-a31-pinctrl" },
- { .compatible = "allwinner,sun6i-a31s-pinctrl" },
- { .compatible = "allwinner,sun7i-a20-pinctrl" },
- { .compatible = "allwinner,sun8i-a23-pinctrl" },
- { .compatible = "allwinner,sun9i-a80-pinctrl" },
+ ID("allwinner,sun4i-a10-pinctrl", a_all),
+ ID("allwinner,sun5i-a10s-pinctrl", a_all),
+ ID("allwinner,sun5i-a13-pinctrl", a_all),
+ ID("allwinner,sun50i-h5-pinctrl", a_all),
+ ID("allwinner,sun6i-a31-pinctrl", a_all),
+ ID("allwinner,sun6i-a31s-pinctrl", a_all),
+ ID("allwinner,sun7i-a20-pinctrl", a_all),
+ ID("allwinner,sun8i-a23-pinctrl", a_all),
+ ID("allwinner,sun8i-a33-pinctrl", a_all),
+ ID("allwinner,sun8i-a83t-pinctrl", a_all),
+ ID("allwinner,sun8i-h3-pinctrl", a_all),
+ ID("allwinner,sun8i-r40-pinctrl", a_all),
+ ID("allwinner,sun8i-v3s-pinctrl", a_all),
+ ID("allwinner,sun9i-a80-pinctrl", a_all),
+ ID("allwinner,sun50i-a64-pinctrl", a_all),
+ ID("allwinner,sun6i-a31-r-pinctrl", l_2),
+ ID("allwinner,sun8i-a23-r-pinctrl", l_1),
+ ID("allwinner,sun8i-a83t-r-pinctrl", l_1),
+ ID("allwinner,sun8i-h3-r-pinctrl", l_1),
+ ID("allwinner,sun9i-a80-r-pinctrl", l_3),
+ ID("allwinner,sun50i-a64-r-pinctrl", l_1),
{ }
};
projects / u-boot / blobdiff