ar71xx: Add support to TP-Link EAP120

Signed-off-by: Henryk Heisig <hyniu@o2.pl>

4 files changed, 137 insertions, 0 deletions

diff --git a/target/linux/ar71xx/files/arch/mips/ath79/Kconfig.openwrt b/target/linux/ar71xx/files/arch/mips/ath79/Kconfig.openwrt
index 3084155673..7c171ee2ac 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/Kconfig.openwrt
+++ b/target/linux/ar71xx/files/arch/mips/ath79/Kconfig.openwrt
@@ -666,6 +666,15 @@ config ATH79_MACH_GL_INET
 	select ATH79_DEV_USB
 	select ATH79_DEV_WMAC
 
+config ATH79_MACH_EAP120
+	bool "TP-LINK EAP120 support"
+	select SOC_AR934X
+	select ATH79_DEV_ETH
+	select ATH79_DEV_GPIO_BUTTONS
+	select ATH79_DEV_LEDS_GPIO
+	select ATH79_DEV_M25P80
+	select ATH79_DEV_WMAC
+
 config ATH79_MACH_EAP300V2
 	bool "EnGenius EAP300 v2 support"
 	select SOC_AR934X
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/Makefile b/target/linux/ar71xx/files/arch/mips/ath79/Makefile
index ed5c4d8faf..c528c03e35 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/Makefile
+++ b/target/linux/ar71xx/files/arch/mips/ath79/Makefile
@@ -86,6 +86,7 @@ obj-$(CONFIG_ATH79_MACH_DLAN_PRO_500_WP)	+= mach-dlan-pro-500-wp.o
 obj-$(CONFIG_ATH79_MACH_DR344)			+= mach-dr344.o
 obj-$(CONFIG_ATH79_MACH_DR531)			+= mach-dr531.o
 obj-$(CONFIG_ATH79_MACH_DRAGINO2)		+= mach-dragino2.o
+obj-$(CONFIG_ATH79_MACH_EAP120)			+= mach-eap120.o
 obj-$(CONFIG_ATH79_MACH_EAP300V2)		+= mach-eap300v2.o
 obj-$(CONFIG_ATH79_MACH_EAP7660D)		+= mach-eap7660d.o
 obj-$(CONFIG_ATH79_MACH_EL_M150)		+= mach-el-m150.o
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-eap120.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-eap120.c
new file mode 100644
index 0000000000..130c7706a6
--- /dev/null
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-eap120.c
@@ -0,0 +1,126 @@
+/*
+ *  TP-LINK EAP120 board support
+ *
+ * Copyright (C) 2016 Henryk Heisig <hyniu@o2.pl>
+ *
+ * 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 <linux/platform_device.h>
+#include <linux/platform_data/mdio-gpio.h>
+#include <asm/mach-ath79/ath79.h>
+#include <asm/mach-ath79/ar71xx_regs.h>
+#include <linux/platform_data/phy-at803x.h>
+
+#include "common.h"
+#include "dev-eth.h"
+#include "dev-gpio-buttons.h"
+#include "dev-leds-gpio.h"
+#include "dev-m25p80.h"
+#include "dev-wmac.h"
+#include "machtypes.h"
+
+
+#define EAP120_GPIO_LED_RED	12
+#define EAP120_GPIO_LED_YEL	13
+#define EAP120_GPIO_LED_GRN	15
+#define EAP120_GPIO_BTN_RESET	4
+
+#define EAP120_KEYS_POLL_INTERVAL	20 /* msecs */
+#define EAP120_KEYS_DEBOUNCE_INTERVAL	(3 * EAP120_KEYS_POLL_INTERVAL)
+
+#define EAP120_GPIO_SMI_MDIO		16
+#define EAP120_GPIO_SMI_MDC		17
+
+#define EAP120_LAN_PHYADDR		4
+
+static struct gpio_led eap120_leds_gpio[] __initdata = {
+	{
+		.name		= "eap120:red:system",
+		.gpio		= EAP120_GPIO_LED_RED,
+		.active_low	= 1,
+	}, {
+		.name		= "eap120:yellow:system",
+		.gpio		= EAP120_GPIO_LED_YEL,
+		.active_low	= 1,
+	}, {
+		.name		= "eap120:green:system",
+		.gpio		= EAP120_GPIO_LED_GRN,
+		.active_low	= 1,
+	},
+};
+
+static struct gpio_keys_button eap120_gpio_keys[] __initdata = {
+	{
+		.desc		= "Reset button",
+		.type		= EV_KEY,
+		.code		= KEY_RESTART,
+		.debounce_interval = EAP120_KEYS_DEBOUNCE_INTERVAL,
+		.gpio		= EAP120_GPIO_BTN_RESET,
+		.active_low	= 1,
+	}
+};
+
+static struct mdio_gpio_platform_data eap120_mdio = {
+	.mdc		= EAP120_GPIO_SMI_MDC,
+	.mdio		= EAP120_GPIO_SMI_MDIO,
+	.phy_mask	= ~BIT(EAP120_LAN_PHYADDR),
+};
+
+static struct at803x_platform_data eap120_ar8035_data = {
+	.disable_smarteee = 0,
+	.enable_rgmii_rx_delay = 1,
+	.enable_rgmii_tx_delay = 0,
+	.fixup_rgmii_tx_delay = 1,
+};
+
+static struct platform_device eap120_phy_device = {
+	.name	= "mdio-gpio",
+	.id	= 0,
+	.dev	= {
+		.platform_data = &eap120_mdio, &eap120_ar8035_data
+	},
+};
+
+static void __init eap_setup(u8 *mac)
+{
+	ath79_register_leds_gpio(-1, ARRAY_SIZE(eap120_leds_gpio),
+				 eap120_leds_gpio);
+
+	ath79_register_gpio_keys_polled(1, EAP120_KEYS_POLL_INTERVAL,
+					ARRAY_SIZE(eap120_gpio_keys),
+					eap120_gpio_keys);
+
+	ath79_register_m25p80(NULL);
+
+	/* MDIO Interface */
+	platform_device_register(&eap120_phy_device);
+	ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0);
+
+	/* GMAC0 is connected to the RGMII interface to an Atheros AR8035-A */
+	ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);
+	ath79_eth0_data.mii_bus_dev = &eap120_phy_device.dev;
+	ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
+	ath79_eth0_data.phy_mask = BIT(EAP120_LAN_PHYADDR);
+	ath79_eth0_pll_data.pll_1000 = 0x0e000000;
+	ath79_eth0_pll_data.pll_100 = 0x00000101;
+	ath79_eth0_pll_data.pll_10 = 0x00001313;
+	ath79_register_eth(0);
+}
+
+static void __init eap120_setup(void)
+{
+	u8 *mac = (u8 *) KSEG1ADDR(0x1f030008);
+	u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
+
+	eap_setup(mac);
+
+	ath79_register_wmac(ee, mac);
+}
+
+MIPS_MACHINE(ATH79_MACH_EAP120, "EAP120", "TP-LINK EAP120",
+		eap120_setup);
+
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/machtypes.h b/target/linux/ar71xx/files/arch/mips/ath79/machtypes.h
index 8835b97bd0..aa8215bbeb 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/machtypes.h
+++ b/target/linux/ar71xx/files/arch/mips/ath79/machtypes.h
@@ -75,6 +75,7 @@ enum ath79_mach_type {
 	ATH79_MACH_DR344,			/* Wallys DR344 */
 	ATH79_MACH_DR531,			/* Wallys DR531 */
 	ATH79_MACH_DRAGINO2,			/* Dragino Version 2 */
+	ATH79_MACH_EAP120,			/* TP-LINK EAP120 */
 	ATH79_MACH_EAP300V2,			/* EnGenius EAP300 v2 */
 	ATH79_MACH_EAP7660D,			/* Senao EAP7660D */
 	ATH79_MACH_EL_M150,			/* EasyLink EL-M150 */