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.

10 files changed, 132 insertions, 0 deletions

diff --git a/target/linux/ar71xx/base-files/etc/board.d/01_leds b/target/linux/ar71xx/base-files/etc/board.d/01_leds
index fb0dda3ddc..7a7329f965 100755
--- a/target/linux/ar71xx/base-files/etc/board.d/01_leds
+++ b/target/linux/ar71xx/base-files/etc/board.d/01_leds
@@ -431,6 +431,10 @@ omy-x1)
 	ucidef_set_led_default "power" "POWER" "omy:green:power" "1"
 	ucidef_set_led_default "wan" "WAN" "omy:green:wan" "eth0"
 	;;
+pqi-air-pen)
+	ucidef_set_led_wlan "wlan" "WLAN" "pqi-air-pen:blue:wlan" "phy0tpt"
+	ucidef_set_led_default "wps" "WPS" "pqi-air-pen:blue:wps" "0"
+	;;
 qihoo-c301)
 	ucidef_set_led_wlan "wlan2g" "WLAN2G" "qihoo:red:status" "phy1tpt"
 	;;
diff --git a/target/linux/ar71xx/base-files/etc/board.d/02_network b/target/linux/ar71xx/base-files/etc/board.d/02_network
index 987a8e4f12..09986c03a2 100755
--- a/target/linux/ar71xx/base-files/etc/board.d/02_network
+++ b/target/linux/ar71xx/base-files/etc/board.d/02_network
@@ -83,6 +83,7 @@ ar71xx_setup_interfaces()
 	mr900|\
 	mr900v2|\
 	mynet-rext|\
+	pqi-air-pen|\
 	rb-411|\
 	rb-411u|\
 	rb-911g-2hpnd|\
diff --git a/target/linux/ar71xx/base-files/lib/ar71xx.sh b/target/linux/ar71xx/base-files/lib/ar71xx.sh
index eb8b671b97..ad73ec1520 100755
--- a/target/linux/ar71xx/base-files/lib/ar71xx.sh
+++ b/target/linux/ar71xx/base-files/lib/ar71xx.sh
@@ -775,6 +775,9 @@ ar71xx_board_detect() {
 	*"PB44 reference board")
 		name="pb44"
 		;;
+	*"PQI Air Pen")
+		name="pqi-air-pen"
+		;;
 	*"Qihoo 360 C301")
 		name="qihoo-c301"
 		;;
diff --git a/target/linux/ar71xx/base-files/lib/upgrade/platform.sh b/target/linux/ar71xx/base-files/lib/upgrade/platform.sh
index 02eb960db3..9cf20499e3 100755
--- a/target/linux/ar71xx/base-files/lib/upgrade/platform.sh
+++ b/target/linux/ar71xx/base-files/lib/upgrade/platform.sh
@@ -250,6 +250,7 @@ platform_check_image() {
 	nanostation-m-xw|\
 	nanostation-m|\
 	nbg460n_550n_550nh|\
+	pqi-air-pen|\
 	rocket-m-ti|\
 	rocket-m-xw|\
 	rocket-m|\
diff --git a/target/linux/ar71xx/config-4.4 b/target/linux/ar71xx/config-4.4
index 427e8bd2be..26de3a6393 100644
--- a/target/linux/ar71xx/config-4.4
+++ b/target/linux/ar71xx/config-4.4
@@ -136,6 +136,7 @@ CONFIG_ATH79_MACH_OMY_X1=y
 CONFIG_ATH79_MACH_ONION_OMEGA=y
 CONFIG_ATH79_MACH_PB42=y
 CONFIG_ATH79_MACH_PB44=y
+CONFIG_ATH79_MACH_PQI_AIR_PEN=y
 CONFIG_ATH79_MACH_QIHOO_C301=y
 CONFIG_ATH79_MACH_R6100=y
 # CONFIG_ATH79_MACH_RB2011 is not set
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/Kconfig.openwrt b/target/linux/ar71xx/files/arch/mips/ath79/Kconfig.openwrt
index 3c10be9e24..c3f958869e 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/Kconfig.openwrt
+++ b/target/linux/ar71xx/files/arch/mips/ath79/Kconfig.openwrt
@@ -276,6 +276,16 @@ config ATH79_MACH_ESR1750
 	select ATH79_DEV_USB
 	select ATH79_DEV_WMAC
 
+config ATH79_MACH_PQI_AIR_PEN
+	bool "PQI Air Pen"
+	select SOC_AR933X
+	select ATH79_DEV_ETH
+	select ATH79_DEV_GPIO_BUTTONS
+	select ATH79_DEV_LEDS_GPIO
+	select ATH79_DEV_M25P80
+	select ATH79_DEV_USB
+	select ATH79_DEV_WMAC
+
 config ATH79_MACH_SOM9331
 	bool "SOM9331 support"
 	select SOC_AR933X
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/Makefile b/target/linux/ar71xx/files/arch/mips/ath79/Makefile
index 8ce07a49b5..ac0bbc46bf 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/Makefile
+++ b/target/linux/ar71xx/files/arch/mips/ath79/Makefile
@@ -140,6 +140,7 @@ obj-$(CONFIG_ATH79_MACH_OMY_X1)			+= mach-omy-x1.o
 obj-$(CONFIG_ATH79_MACH_ONION_OMEGA)		+= mach-onion-omega.o
 obj-$(CONFIG_ATH79_MACH_PB42)			+= mach-pb42.o
 obj-$(CONFIG_ATH79_MACH_PB44)			+= mach-pb44.o
+obj-$(CONFIG_ATH79_MACH_PQI_AIR_PEN)		+= mach-pqi-air-pen.o
 obj-$(CONFIG_ATH79_MACH_QIHOO_C301)		+= mach-qihoo-c301.o
 obj-$(CONFIG_ATH79_MACH_R6100)			+= mach-r6100.o
 obj-$(CONFIG_ATH79_MACH_RB2011)			+= mach-rb2011.o
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);
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/machtypes.h b/target/linux/ar71xx/files/arch/mips/ath79/machtypes.h
index b7946e55e4..857d0eee89 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/machtypes.h
+++ b/target/linux/ar71xx/files/arch/mips/ath79/machtypes.h
@@ -141,6 +141,7 @@ enum ath79_mach_type {
 	ATH79_MACH_ONION_OMEGA,			/* ONION OMEGA */
 	ATH79_MACH_PB42,			/* Atheros PB42 */
 	ATH79_MACH_PB44,			/* Atheros PB44 reference board */
+	ATH79_MACH_PQI_AIR_PEN,			/* PQI Air Pen */
 	ATH79_MACH_QIHOO_C301,			/* Qihoo 360 C301 */
 	ATH79_MACH_R6100,			/* NETGEAR R6100 */
 	ATH79_MACH_RB_2011G,			/* Mikrotik RouterBOARD 2011UAS-2HnD */
diff --git a/target/linux/ar71xx/image/generic.mk b/target/linux/ar71xx/image/generic.mk
index 1f96a5b960..37ee755ee4 100644
--- a/target/linux/ar71xx/image/generic.mk
+++ b/target/linux/ar71xx/image/generic.mk
@@ -323,6 +323,17 @@ endef
 
 TARGET_DEVICES += cr5000-nocloud
 
+define Device/pqi-air-pen
+  DEVICE_TITLE := PQI Air Pen
+  DEVICE_PACKAGES := kmod-usb-core kmod-usb2 kmod-usb-storage
+  BOARDNAME = PQI-AIR-PEN
+  IMAGE_SIZE = 7744k
+  CONSOLE = ttyATH0,115200
+  MTDPARTS = spi0.0:256k(u-boot)ro,64k(u-boot-env)ro,64k(art)ro,64k(NVRAM)ro,7680k(firmware),64k(CONF)
+endef
+
+TARGET_DEVICES += pqi-air-pen
+
 define Device/antminer-s1
   $(Device/tplink-8mlzma)
   DEVICE_TITLE := Antminer-S1