1 files changed, 106 insertions, 0 deletions
diff --git a/arch/arm/mach-orion5x/board-d2net.c b/arch/arm/mach-orion5x/board-d2net.c
new file mode 100644
index 000000000..0297e302d
--- /dev/null
+++ b/arch/arm/mach-orion5x/board-d2net.c
@@ -0,0 +1,106 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * arch/arm/mach-orion5x/board-d2net.c
+ *
+ * LaCie d2Network and Big Disk Network NAS setup
+ *
+ * Copyright (C) 2009 Simon Guinot <sguinot@lacie.com>
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/pci.h>
+#include <linux/irq.h>
+#include <linux/leds.h>
+#include <linux/gpio.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/pci.h>
+#include <plat/orion-gpio.h>
+#include "common.h"
+#include "orion5x.h"
+
+/*****************************************************************************
+ * LaCie d2 Network Info
+ ****************************************************************************/
+
+/*****************************************************************************
+ * GPIO LED's
+ ****************************************************************************/
+
+/*
+ * The blue front LED is wired to the CPLD and can blink in relation with the
+ * SATA activity.
+ *
+ * The following array detail the different LED registers and the combination
+ * of their possible values:
+ *
+ * led_off   | blink_ctrl | SATA active | LED state
+ *           |            |             |
+ *    1      |     x      |      x      |  off
+ *    0      |     0      |      0      |  off
+ *    0      |     1      |      0      |  blink (rate 300ms)
+ *    0      |     x      |      1      |  on
+ *
+ * Notes: The blue and the red front LED's can't be on at the same time.
+ *        Red LED have priority.
+ */
+
+#define D2NET_GPIO_RED_LED		6
+#define D2NET_GPIO_BLUE_LED_BLINK_CTRL	16
+#define D2NET_GPIO_BLUE_LED_OFF		23
+
+static struct gpio_led d2net_leds[] = {
+	{
+		.name = "d2net:blue:sata",
+		.default_trigger = "default-on",
+		.gpio = D2NET_GPIO_BLUE_LED_OFF,
+		.active_low = 1,
+	},
+	{
+		.name = "d2net:red:fail",
+		.gpio = D2NET_GPIO_RED_LED,
+	},
+};
+
+static struct gpio_led_platform_data d2net_led_data = {
+	.num_leds = ARRAY_SIZE(d2net_leds),
+	.leds = d2net_leds,
+};
+
+static struct platform_device d2net_gpio_leds = {
+	.name           = "leds-gpio",
+	.id             = -1,
+	.dev            = {
+		.platform_data  = &d2net_led_data,
+	},
+};
+
+static void __init d2net_gpio_leds_init(void)
+{
+	int err;
+
+	/* Configure register blink_ctrl to allow SATA activity LED blinking. */
+	err = gpio_request(D2NET_GPIO_BLUE_LED_BLINK_CTRL, "blue LED blink");
+	if (err == 0) {
+		err = gpio_direction_output(D2NET_GPIO_BLUE_LED_BLINK_CTRL, 1);
+		if (err)
+			gpio_free(D2NET_GPIO_BLUE_LED_BLINK_CTRL);
+	}
+	if (err)
+		pr_err("d2net: failed to configure blue LED blink GPIO\n");
+
+	platform_device_register(&d2net_gpio_leds);
+}
+
+/*****************************************************************************
+ * General Setup
+ ****************************************************************************/
+
+void __init d2net_init(void)
+{
+	d2net_gpio_leds_init();
+
+	pr_notice("d2net: Flash write are not yet supported.\n");
+}