ar71xx: add support for PQI Air Pen

SoC: AR9331
Ethernet x1, Wireless 2.4G, uSD card slot x1.
USB Power, include Li-Po Battery.

Signed-off-by: YuheiOKAWA <tochiro.srchack@gmail.com>

Changes in v2:
alphabetical ordering, tabs fron spaces.

1 files changed, 99 insertions, 0 deletions

diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-pqi-air-pen.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-pqi-air-pen.c
new file mode 100644
index 0000000000..56769bfb61
--- /dev/null
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-pqi-air-pen.c
@@ -0,0 +1,99 @@
+/*
+ *  PQI Air Pen stick support
+ *
+ *  Copyright (C) 2016 YuheiOKAWA <tochiro.srchack@gmail.com>
+ *
+ *  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 "common.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 PQI_AIR_PEN_GPIO_LED_WLAN		0
+#define PQI_AIR_PEN_GPIO_LED_WPS		23
+
+#define PQI_AIR_PEN_GPIO_BTN_WPS		22
+#define PQI_AIR_PEN_GPIO_BTN_RESET		12
+
+#define PQI_AIR_PEN_KEYS_POLL_INTERVAL		20 /* msecs */
+#define PQI_AIR_PEN_KEYS_DEBOUNCE_INTERVAL	(3 * PQI_AIR_PEN_KEYS_POLL_INTERVAL)
+
+#define PQI_AIR_PEN_WMAC_CALDATA_OFFSET		0x1000
+#define PQI_AIR_PEN_LAN_MAC_OFFSET		0x1002
+#define PQI_AIR_PEN_WMAC_MAC_OFFSET		0x1002
+
+static struct gpio_led pqi_air_pen_leds_gpio[] __initdata = {
+	{
+		.name = "pqi-air-pen:blue:wlan",
+		.gpio = PQI_AIR_PEN_GPIO_LED_WLAN,
+		.active_low = 0,
+	},
+	{
+		.name = "pqi-air-pen:blue:wps",
+		.gpio = PQI_AIR_PEN_GPIO_LED_WPS,
+		.active_low = 0,
+	},
+};
+
+static struct gpio_keys_button pqi_air_pen_gpio_keys[] __initdata = {
+	{
+		.desc = "wps",
+		.type = EV_KEY,
+		.code = KEY_WPS_BUTTON,
+		.debounce_interval = PQI_AIR_PEN_KEYS_DEBOUNCE_INTERVAL,
+		.gpio = PQI_AIR_PEN_GPIO_BTN_WPS,
+		.active_low = 0,
+	},
+	{
+		.desc = "reset",
+		.type = EV_KEY,
+		.code = KEY_RESTART,
+		.debounce_interval = PQI_AIR_PEN_KEYS_DEBOUNCE_INTERVAL,
+		.gpio = PQI_AIR_PEN_GPIO_BTN_RESET,
+		.active_low = 0,
+	},
+};
+
+static void __init pqi_air_pen_setup(void)
+{
+	/* ART base address */
+	u8 *art = (u8 *) KSEG1ADDR(0x9f050000);
+
+	/* register flash. */
+	ath79_register_m25p80(NULL);
+
+	/* register wireless mac with cal data */
+	ath79_register_wmac(art + PQI_AIR_PEN_WMAC_CALDATA_OFFSET, art + PQI_AIR_PEN_WMAC_MAC_OFFSET);
+
+	/* false PHY_SWAP and PHY_ADDR_SWAP bits */
+	ath79_setup_ar933x_phy4_switch(false, false);
+
+	/* register gpio LEDs and keys */
+	ath79_register_leds_gpio(-1, ARRAY_SIZE(pqi_air_pen_leds_gpio),
+				 pqi_air_pen_leds_gpio);
+	ath79_register_gpio_keys_polled(-1, PQI_AIR_PEN_KEYS_POLL_INTERVAL,
+					ARRAY_SIZE(pqi_air_pen_gpio_keys),
+					pqi_air_pen_gpio_keys);
+
+	/* enable usb */
+	ath79_register_usb();
+	
+	/* register eth0 as LAN */
+	ath79_init_mac(ath79_eth0_data.mac_addr, art + PQI_AIR_PEN_LAN_MAC_OFFSET, 0);
+	ath79_register_mdio(0, 0x0);
+	ath79_register_eth(0);
+}
+
+MIPS_MACHINE(ATH79_MACH_PQI_AIR_PEN, "PQI-AIR-PEN", "PQI Air Pen",pqi_air_pen_setup);