ar71xx: add support for the devolo dLAN Hotspot

Signed-off-by: Günther Kelleter <guenther.kelleter@devolo.de>

SVN-Revision: 47554

1 files changed, 117 insertions, 0 deletions

diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-dlan-hotspot.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-dlan-hotspot.c
new file mode 100644
index 0000000..3ae4651
--- /dev/null
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-dlan-hotspot.c
@@ -0,0 +1,117 @@
+/*
+ *  devolo dLAN Hotspot board support
+ *
+ *  Copyright (C) 2015 Torsten Schnuis <torsten.schnuis@gik.de>
+ *  Copyright (C) 2015 devolo AG
+ *
+ *  This program is free software; you can redistribute it and/or modify it
+ *  under the terms of the GNU General Public License version 2 as published
+ *  by the Free Software Foundation.
+ */
+
+#include <linux/gpio.h>
+
+#include <asm/mach-ath79/ath79.h>
+
+#include "dev-eth.h"
+#include "dev-gpio-buttons.h"
+#include "dev-leds-gpio.h"
+#include "dev-m25p80.h"
+#include "dev-usb.h"
+#include "dev-wmac.h"
+#include "machtypes.h"
+
+#define DLAN_HOTSPOT_GPIO_LED_WIFI                0
+
+#define DLAN_HOTSPOT_GPIO_BTN_RESET              11
+#define DLAN_HOTSPOT_GPIO_BTN_PLC_PAIRING        12
+#define DLAN_HOTSPOT_GPIO_BTN_WIFI               21
+
+#define DLAN_HOTSPOT_GPIO_PLC_POWER              22
+#define DLAN_HOTSPOT_GPIO_PLC_RESET              20
+#define DLAN_HOTSPOT_GPIO_PLC_DISABLE_LEDS       18
+
+#define DLAN_HOTSPOT_KEYS_POLL_INTERVAL          20    /* msecs */
+#define DLAN_HOTSPOT_KEYS_DEBOUNCE_INTERVAL      (3 * DLAN_HOTSPOT_KEYS_POLL_INTERVAL)
+
+#define DLAN_HOTSPOT_ART_ADDRESS                 0x1fff0000
+#define DLAN_HOTSPOT_CALDATA_OFFSET              0x00001000
+#define DLAN_HOTSPOT_MAC_ADDRESS_OFFSET          0x00001002
+
+static struct gpio_led dlan_hotspot_leds_gpio[] __initdata = {
+	{
+		.name		= "devolo:green:wifi",
+		.gpio		= DLAN_HOTSPOT_GPIO_LED_WIFI,
+		.active_low	= 0,
+	}
+};
+
+static struct gpio_keys_button dlan_hotspot_gpio_keys[] __initdata = {
+	{
+		.desc		= "Reset button",
+		.type		= EV_KEY,
+		.code		= KEY_RESTART,
+		.debounce_interval = DLAN_HOTSPOT_KEYS_DEBOUNCE_INTERVAL,
+		.gpio		= DLAN_HOTSPOT_GPIO_BTN_RESET,
+		.active_low     = 0,
+	},
+	{
+		.desc		= "Pairing button",
+		.type		= EV_KEY,
+		.code		= BTN_0,
+		.debounce_interval = DLAN_HOTSPOT_KEYS_DEBOUNCE_INTERVAL,
+		.gpio		= DLAN_HOTSPOT_GPIO_BTN_PLC_PAIRING,
+		.active_low	= 0,
+	},
+	{
+		.desc		= "WLAN button",
+		.type		= EV_KEY,
+		.code		= KEY_WPS_BUTTON,
+		.debounce_interval = DLAN_HOTSPOT_KEYS_DEBOUNCE_INTERVAL,
+		.gpio		= DLAN_HOTSPOT_GPIO_BTN_WIFI,
+		.active_low	= 0,
+	}
+};
+
+static void __init dlan_hotspot_setup(void)
+{
+	u8 *art = (u8 *) KSEG1ADDR(DLAN_HOTSPOT_ART_ADDRESS);
+	u8 *cal = art + DLAN_HOTSPOT_CALDATA_OFFSET;
+	u8 *wifi_mac = art + DLAN_HOTSPOT_MAC_ADDRESS_OFFSET;
+
+	/* disable PHY_SWAP and PHY_ADDR_SWAP bits */
+	ath79_setup_ar933x_phy4_switch(false, false);
+
+	ath79_register_leds_gpio(-1, ARRAY_SIZE(dlan_hotspot_leds_gpio),
+				 dlan_hotspot_leds_gpio);
+
+	ath79_register_gpio_keys_polled(-1, DLAN_HOTSPOT_KEYS_POLL_INTERVAL,
+					ARRAY_SIZE(dlan_hotspot_gpio_keys),
+					dlan_hotspot_gpio_keys);
+
+	gpio_request_one(DLAN_HOTSPOT_GPIO_PLC_POWER,
+			 GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
+			 "PLC power");
+	gpio_request_one(DLAN_HOTSPOT_GPIO_PLC_RESET,
+			 GPIOF_OUT_INIT_LOW | GPIOF_EXPORT_DIR_FIXED,
+			 "PLC reset");
+	gpio_request_one(DLAN_HOTSPOT_GPIO_PLC_DISABLE_LEDS,
+			 GPIOF_OUT_INIT_LOW | GPIOF_EXPORT_DIR_FIXED,
+			 "PLC LEDs");
+
+	ath79_register_usb();
+
+	ath79_register_m25p80(NULL);
+
+	ath79_init_mac(ath79_eth0_data.mac_addr, wifi_mac, 1);
+	ath79_init_mac(ath79_eth1_data.mac_addr, wifi_mac, 2);
+
+	ath79_register_mdio(0, 0x0);
+	ath79_register_eth(0);
+	ath79_register_eth(1);
+
+	ath79_register_wmac(cal, wifi_mac);
+}
+
+MIPS_MACHINE(ATH79_MACH_DLAN_HOTSPOT, "dLAN-Hotspot",
+	     "dLAN Hotspot", dlan_hotspot_setup);