ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/drivers/gpio/gpio-clps711x.c b/marvell/linux/drivers/gpio/gpio-clps711x.c
new file mode 100644
index 0000000..75f6f8d
--- /dev/null
+++ b/marvell/linux/drivers/gpio/gpio-clps711x.c
@@ -0,0 +1,88 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * CLPS711X GPIO driver
+ *
+ * Copyright (C) 2012,2013 Alexander Shiyan <shc_work@mail.ru>
+ */
+
+#include <linux/err.h>
+#include <linux/module.h>
+#include <linux/gpio/driver.h>
+#include <linux/platform_device.h>
+
+static int clps711x_gpio_probe(struct platform_device *pdev)
+{
+ struct device_node *np = pdev->dev.of_node;
+ void __iomem *dat, *dir;
+ struct gpio_chip *gc;
+ int err, id;
+
+ if (!np)
+ return -ENODEV;
+
+ id = of_alias_get_id(np, "gpio");
+ if ((id < 0) || (id > 4))
+ return -ENODEV;
+
+ gc = devm_kzalloc(&pdev->dev, sizeof(*gc), GFP_KERNEL);
+ if (!gc)
+ return -ENOMEM;
+
+ dat = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(dat))
+ return PTR_ERR(dat);
+
+ dir = devm_platform_ioremap_resource(pdev, 1);
+ if (IS_ERR(dir))
+ return PTR_ERR(dir);
+
+ switch (id) {
+ case 3:
+ /* PORTD is inverted logic for direction register */
+ err = bgpio_init(gc, &pdev->dev, 1, dat, NULL, NULL,
+ NULL, dir, 0);
+ break;
+ default:
+ err = bgpio_init(gc, &pdev->dev, 1, dat, NULL, NULL,
+ dir, NULL, 0);
+ break;
+ }
+
+ if (err)
+ return err;
+
+ switch (id) {
+ case 4:
+ /* PORTE is 3 lines only */
+ gc->ngpio = 3;
+ break;
+ default:
+ break;
+ }
+
+ gc->base = -1;
+ gc->owner = THIS_MODULE;
+ platform_set_drvdata(pdev, gc);
+
+ return devm_gpiochip_add_data(&pdev->dev, gc, NULL);
+}
+
+static const struct of_device_id __maybe_unused clps711x_gpio_ids[] = {
+ { .compatible = "cirrus,ep7209-gpio" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, clps711x_gpio_ids);
+
+static struct platform_driver clps711x_gpio_driver = {
+ .driver = {
+ .name = "clps711x-gpio",
+ .of_match_table = of_match_ptr(clps711x_gpio_ids),
+ },
+ .probe = clps711x_gpio_probe,
+};
+module_platform_driver(clps711x_gpio_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Alexander Shiyan <shc_work@mail.ru>");
+MODULE_DESCRIPTION("CLPS711X GPIO driver");
+MODULE_ALIAS("platform:clps711x-gpio");