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@@ -0,0 +1,59 @@
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+// SPDX-License-Identifier: GPL-2.0
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+/*
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+ * Copyright (C) 2018 Xilinx, Inc. - Michal Simek
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+ */
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+
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+#include <common.h>
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+#include <dm.h>
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+#include <errno.h>
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+#include <sysreset.h>
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+#include <asm/gpio.h>
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+
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+struct gpio_reboot_priv {
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+ struct gpio_desc gpio;
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+};
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+
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+static int gpio_reboot_request(struct udevice *dev, enum sysreset_t type)
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+{
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+ struct gpio_reboot_priv *priv = dev_get_priv(dev);
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+
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+ /*
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+ * When debug log is enabled please make sure that chars won't end up
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+ * in output fifo. Or you can append udelay(); to get enough time
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+ * to HW to emit output fifo.
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+ */
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+ debug("GPIO reset\n");
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+
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+ /* Writing 1 respects polarity (active high/low) based on gpio->flags */
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+ return dm_gpio_set_value(&priv->gpio, 1);
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+}
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+
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+static struct sysreset_ops gpio_reboot_ops = {
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+ .request = gpio_reboot_request,
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+};
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+
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+int gpio_reboot_probe(struct udevice *dev)
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+{
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+ struct gpio_reboot_priv *priv = dev_get_priv(dev);
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+
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+ /*
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+ * Linux kernel DT binding contain others optional properties
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+ * which are not supported now
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+ */
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+
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+ return gpio_request_by_name(dev, "gpios", 0, &priv->gpio, GPIOD_IS_OUT);
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+}
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+
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+static const struct udevice_id led_gpio_ids[] = {
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+ { .compatible = "gpio-restart" },
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+ { }
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+};
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+
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+U_BOOT_DRIVER(gpio_reboot) = {
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+ .id = UCLASS_SYSRESET,
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+ .name = "gpio_restart",
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+ .of_match = led_gpio_ids,
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+ .ops = &gpio_reboot_ops,
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+ .priv_auto_alloc_size = sizeof(struct gpio_reboot_priv),
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+ .probe = gpio_reboot_probe,
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+};
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