From a08aa9e789ade7bb35eb442afa6566368d5a318f Mon Sep 17 00:00:00 2001
From: Shayne Chen <shayne.chen@mediatek.com>
Date: Tue, 12 Mar 2024 11:27:40 +0800
Subject: [PATCH 06/61] sync backports patches/rt2x00

---
 drivers/net/wireless/ralink/rt2x00/Kconfig    |  23 +-
 drivers/net/wireless/ralink/rt2x00/Makefile   |   1 +
 drivers/net/wireless/ralink/rt2x00/rt2800.h   |   5 +
 .../net/wireless/ralink/rt2x00/rt2800lib.c    | 373 +++++++++++-------
 .../net/wireless/ralink/rt2x00/rt2800lib.h    |  24 ++
 .../net/wireless/ralink/rt2x00/rt2800pci.c    |   7 +
 .../net/wireless/ralink/rt2x00/rt2800soc.c    |  52 ++-
 .../net/wireless/ralink/rt2x00/rt2800usb.c    |   7 +
 drivers/net/wireless/ralink/rt2x00/rt2x00.h   |  15 +
 .../net/wireless/ralink/rt2x00/rt2x00dev.c    |  34 +-
 .../net/wireless/ralink/rt2x00/rt2x00eeprom.c | 208 ++++++++++
 .../net/wireless/ralink/rt2x00/rt2x00leds.c   |   3 +
 .../net/wireless/ralink/rt2x00/rt2x00soc.c    |  16 +
 .../net/wireless/ralink/rt2x00/rt2x00soc.h    |   9 +
 include/linux/rt2x00_platform.h               |  23 ++
 local-symbols                                 |   1 +
 16 files changed, 635 insertions(+), 166 deletions(-)
 create mode 100644 drivers/net/wireless/ralink/rt2x00/rt2x00eeprom.c
 create mode 100644 include/linux/rt2x00_platform.h

diff --git a/drivers/net/wireless/ralink/rt2x00/Kconfig b/drivers/net/wireless/ralink/rt2x00/Kconfig
index 8f6e3d2..abaa51b 100644
--- a/drivers/net/wireless/ralink/rt2x00/Kconfig
+++ b/drivers/net/wireless/ralink/rt2x00/Kconfig
@@ -70,6 +70,7 @@ config RT2800PCI
 	select RT2X00_LIB_MMIO
 	select RT2X00_LIB_PCI
 	select RT2X00_LIB_FIRMWARE
+	select RT2X00_LIB_EEPROM
 	select RT2X00_LIB_CRYPTO
 	depends on CRC_CCITT
 	depends on EEPROM_93CX6
@@ -211,13 +212,15 @@ endif
 config RT2800SOC
 	tristate "Ralink WiSoC support"
 	depends on m
-	depends on SOC_RT288X || SOC_RT305X || SOC_MT7620
+	depends on SOC_RT288X || SOC_RT305X || SOC_RT3883 || SOC_MT7620
 	select RT2X00_LIB_SOC
 	select RT2X00_LIB_MMIO
 	select RT2X00_LIB_CRYPTO
 	select RT2X00_LIB_FIRMWARE
+	select RT2X00_LIB_EEPROM
 	select RT2800_LIB
 	select RT2800_LIB_MMIO
+	select MTD if SOC_RT288X || SOC_RT305X
 	help
 	  This adds support for Ralink WiSoC devices.
 	  Supported chips: RT2880, RT3050, RT3052, RT3350, RT3352.
@@ -226,36 +229,37 @@ config RT2800SOC
 
 
 config RT2800_LIB
-	tristate
+	tristate "RT2800 USB/PCI support"
 	depends on m
 
 config RT2800_LIB_MMIO
-	tristate
+	tristate "RT2800 MMIO support"
 	depends on m
 	select RT2X00_LIB_MMIO
 	select RT2800_LIB
 
 config RT2X00_LIB_MMIO
-	tristate
+	tristate "RT2x00 MMIO support"
 	depends on m
 
 config RT2X00_LIB_PCI
-	tristate
+	tristate "RT2x00 PCI support"
 	depends on m
 	select RT2X00_LIB
 
 config RT2X00_LIB_SOC
-	tristate
+	tristate "RT2x00 SoC support"
+	depends on SOC_RT288X || SOC_RT305X || SOC_RT3883 || SOC_MT7620
 	depends on m
 	select RT2X00_LIB
 
 config RT2X00_LIB_USB
-	tristate
+	tristate "RT2x00 USB support"
 	depends on m
 	select RT2X00_LIB
 
 config RT2X00_LIB
-	tristate
+	tristate "RT2x00 support"
 	depends on m
 
 config RT2X00_LIB_FIRMWARE
@@ -265,6 +269,9 @@ config RT2X00_LIB_FIRMWARE
 config RT2X00_LIB_CRYPTO
 	bool
 
+config RT2X00_LIB_EEPROM
+	bool
+
 config RT2X00_LIB_LEDS
 	bool
 	default y if (RT2X00_LIB=y && LEDS_CLASS=y) || (RT2X00_LIB=m && LEDS_CLASS!=n)
diff --git a/drivers/net/wireless/ralink/rt2x00/Makefile b/drivers/net/wireless/ralink/rt2x00/Makefile
index 4a2156b..94335ec 100644
--- a/drivers/net/wireless/ralink/rt2x00/Makefile
+++ b/drivers/net/wireless/ralink/rt2x00/Makefile
@@ -8,6 +8,7 @@ rt2x00lib-$(CPTCFG_RT2X00_LIB_DEBUGFS)	+= rt2x00debug.o
 rt2x00lib-$(CPTCFG_RT2X00_LIB_CRYPTO)	+= rt2x00crypto.o
 rt2x00lib-$(CPTCFG_RT2X00_LIB_FIRMWARE)	+= rt2x00firmware.o
 rt2x00lib-$(CPTCFG_RT2X00_LIB_LEDS)	+= rt2x00leds.o
+rt2x00lib-$(CPTCFG_RT2X00_LIB_EEPROM)	+= rt2x00eeprom.o
 
 obj-$(CPTCFG_RT2X00_LIB)		+= rt2x00lib.o
 obj-$(CPTCFG_RT2X00_LIB_MMIO)		+= rt2x00mmio.o
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800.h b/drivers/net/wireless/ralink/rt2x00/rt2800.h
index 8930589..cbfa680 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2800.h
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800.h
@@ -1056,6 +1056,11 @@
 #define MIMO_PS_CFG_RX_STBY_POL		FIELD32(0x00000010)
 #define MIMO_PS_CFG_RX_RX_STBY0		FIELD32(0x00000020)
 
+#define BB_PA_MODE_CFG0			0x1214
+#define BB_PA_MODE_CFG1			0x1218
+#define RF_PA_MODE_CFG0			0x121C
+#define RF_PA_MODE_CFG1			0x1220
+
 /*
  * EDCA_AC0_CFG:
  */
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
index d2ab374..7461d2e 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
@@ -25,6 +25,7 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/slab.h>
+#include <linux/of.h>
 
 #include "rt2x00.h"
 #include "rt2800lib.h"
@@ -304,6 +305,24 @@ static void rt2800_rf_write(struct rt2x00_dev *rt2x00dev,
 	mutex_unlock(&rt2x00dev->csr_mutex);
 }
 
+void rt6352_enable_pa_pin(struct rt2x00_dev *rt2x00dev, int enable)
+{
+	if (!rt2x00dev->pinctrl)
+		return;
+
+	if (enable) {
+		if (!rt2x00dev->pins_default)
+			return;
+
+		pinctrl_select_state(rt2x00dev->pinctrl, rt2x00dev->pins_default);
+	} else {
+		if (!rt2x00dev->pins_pa_gpio)
+			return;
+
+		pinctrl_select_state(rt2x00dev->pinctrl, rt2x00dev->pins_pa_gpio);
+	}
+}
+
 static const unsigned int rt2800_eeprom_map[EEPROM_WORD_COUNT] = {
 	[EEPROM_CHIP_ID]		= 0x0000,
 	[EEPROM_VERSION]		= 0x0001,
@@ -3817,14 +3836,16 @@ static void rt2800_config_channel_rf7620(struct rt2x00_dev *rt2x00dev,
 	rt2x00_set_field8(&rfcsr, RFCSR19_K, rf->rf4);
 	rt2800_rfcsr_write(rt2x00dev, 19, rfcsr);
 
-	/* Default: XO=20MHz , SDM mode */
-	rfcsr = rt2800_rfcsr_read(rt2x00dev, 16);
-	rt2x00_set_field8(&rfcsr, RFCSR16_SDM_MODE_MT7620, 0x80);
-	rt2800_rfcsr_write(rt2x00dev, 16, rfcsr);
+	if (rt2800_hw_get_chipver(rt2x00dev) > 1) {
+		/* Default: XO=20MHz , SDM mode */
+		rfcsr = rt2800_rfcsr_read(rt2x00dev, 16);
+		rt2x00_set_field8(&rfcsr, RFCSR16_SDM_MODE_MT7620, 0x80);
+		rt2800_rfcsr_write(rt2x00dev, 16, rfcsr);
 
-	rfcsr = rt2800_rfcsr_read(rt2x00dev, 21);
-	rt2x00_set_field8(&rfcsr, RFCSR21_BIT8, 1);
-	rt2800_rfcsr_write(rt2x00dev, 21, rfcsr);
+		rfcsr = rt2800_rfcsr_read(rt2x00dev, 21);
+		rt2x00_set_field8(&rfcsr, RFCSR21_BIT8, 1);
+		rt2800_rfcsr_write(rt2x00dev, 21, rfcsr);
+	}
 
 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 1);
 	rt2x00_set_field8(&rfcsr, RFCSR1_TX2_EN_MT7620,
@@ -3858,18 +3879,23 @@ static void rt2800_config_channel_rf7620(struct rt2x00_dev *rt2x00dev,
 		rt2800_rfcsr_write_dccal(rt2x00dev, 59, 0x20);
 	}
 
-	if (conf_is_ht40(conf)) {
-		rt2800_rfcsr_write_dccal(rt2x00dev, 58, 0x08);
-		rt2800_rfcsr_write_dccal(rt2x00dev, 59, 0x08);
-	} else {
-		rt2800_rfcsr_write_dccal(rt2x00dev, 58, 0x28);
-		rt2800_rfcsr_write_dccal(rt2x00dev, 59, 0x28);
+	if (rt2800_hw_get_chipver(rt2x00dev) > 1) {
+		if (conf_is_ht40(conf)) {
+			rt2800_rfcsr_write_dccal(rt2x00dev, 58, 0x08);
+			rt2800_rfcsr_write_dccal(rt2x00dev, 59, 0x08);
+		} else {
+			rt2800_rfcsr_write_dccal(rt2x00dev, 58, 0x28);
+			rt2800_rfcsr_write_dccal(rt2x00dev, 59, 0x28);
+		}
 	}
 
-	rfcsr = rt2800_rfcsr_read(rt2x00dev, 28);
-	rt2x00_set_field8(&rfcsr, RFCSR28_CH11_HT40,
-			  conf_is_ht40(conf) && (rf->channel == 11));
-	rt2800_rfcsr_write(rt2x00dev, 28, rfcsr);
+	if (rt2800_hw_get_chipver(rt2x00dev) > 1 &&
+	    rt2800_hw_get_chipeco(rt2x00dev) == 2) {
+		rfcsr = rt2800_rfcsr_read(rt2x00dev, 28);
+		rt2x00_set_field8(&rfcsr, RFCSR28_CH11_HT40,
+				  conf_is_ht40(conf) && (rf->channel == 11));
+		rt2800_rfcsr_write(rt2x00dev, 28, rfcsr);
+	}
 
 	if (!test_bit(DEVICE_STATE_SCANNING, &rt2x00dev->flags)) {
 		if (conf_is_ht40(conf)) {
@@ -3983,25 +4009,29 @@ static void rt2800_config_alc_rt6352(struct rt2x00_dev *rt2x00dev,
 	if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev, MAC_STATUS_CFG_BBP_RF_BUSY)))
 		rt2x00_warn(rt2x00dev, "RF busy while configuring ALC\n");
 
-	if (chan->center_freq > 2457) {
-		bbp = rt2800_bbp_read(rt2x00dev, 30);
-		bbp = 0x40;
-		rt2800_bbp_write(rt2x00dev, 30, bbp);
-		rt2800_rfcsr_write(rt2x00dev, 39, 0);
-		if (rt2x00_has_cap_external_lna_bg(rt2x00dev))
-			rt2800_rfcsr_write(rt2x00dev, 42, 0xfb);
-		else
-			rt2800_rfcsr_write(rt2x00dev, 42, 0x7b);
-	} else {
-		bbp = rt2800_bbp_read(rt2x00dev, 30);
-		bbp = 0x1f;
-		rt2800_bbp_write(rt2x00dev, 30, bbp);
-		rt2800_rfcsr_write(rt2x00dev, 39, 0x80);
-		if (rt2x00_has_cap_external_lna_bg(rt2x00dev))
-			rt2800_rfcsr_write(rt2x00dev, 42, 0xdb);
-		else
-			rt2800_rfcsr_write(rt2x00dev, 42, 0x5b);
+	if (rt2800_hw_get_chipver(rt2x00dev) > 1 &&
+	    rt2800_hw_get_chipeco(rt2x00dev) >= 2) {
+		if (chan->center_freq > 2457) {
+			bbp = rt2800_bbp_read(rt2x00dev, 30);
+			bbp = 0x40;
+			rt2800_bbp_write(rt2x00dev, 30, bbp);
+			rt2800_rfcsr_write(rt2x00dev, 39, 0);
+			if (rt2x00_has_cap_external_lna_bg(rt2x00dev))
+				rt2800_rfcsr_write(rt2x00dev, 42, 0xfb);
+			else
+				rt2800_rfcsr_write(rt2x00dev, 42, 0x7b);
+		} else {
+			bbp = rt2800_bbp_read(rt2x00dev, 30);
+			bbp = 0x1f;
+			rt2800_bbp_write(rt2x00dev, 30, bbp);
+			rt2800_rfcsr_write(rt2x00dev, 39, 0x80);
+			if (rt2x00_has_cap_external_lna_bg(rt2x00dev))
+				rt2800_rfcsr_write(rt2x00dev, 42, 0xdb);
+			else
+				rt2800_rfcsr_write(rt2x00dev, 42, 0x5b);
+		}
 	}
+
 	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, mac_sys_ctrl);
 
 	rt2800_vco_calibration(rt2x00dev);
@@ -4494,7 +4524,8 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
 	if (rt2x00_rt(rt2x00dev, RT6352)) {
 		/* BBP for GLRT BW */
 		bbp = conf_is_ht40(conf) ?
-		      0x10 : rt2x00_has_cap_external_lna_bg(rt2x00dev) ?
+		      0x10 : !rt2x00_has_cap_external_lna_bg(rt2x00dev) ?
+		      0x1a : rt2800_hw_get_chippkg(rt2x00dev) == 1 ?
 		      0x15 : 0x1a;
 		rt2800_bbp_glrt_write(rt2x00dev, 141, bbp);
 
@@ -5998,18 +6029,33 @@ static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
 	} else if (rt2x00_rt(rt2x00dev, RT5350)) {
 		rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000404);
 	} else if (rt2x00_rt(rt2x00dev, RT6352)) {
-		rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000401);
-		rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x000C0001);
-		rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
-		rt2800_register_write(rt2x00dev, TX_ALC_VGA3, 0x00000000);
-		rt2800_register_write(rt2x00dev, TX0_BB_GAIN_ATTEN, 0x0);
-		rt2800_register_write(rt2x00dev, TX1_BB_GAIN_ATTEN, 0x0);
-		rt2800_register_write(rt2x00dev, TX0_RF_GAIN_ATTEN, 0x6C6C666C);
-		rt2800_register_write(rt2x00dev, TX1_RF_GAIN_ATTEN, 0x6C6C666C);
-		rt2800_register_write(rt2x00dev, TX0_RF_GAIN_CORRECT,
-				      0x3630363A);
-		rt2800_register_write(rt2x00dev, TX1_RF_GAIN_CORRECT,
-				      0x3630363A);
+		if (rt2800_hw_get_chipver(rt2x00dev) <= 1) {
+			rt2800_register_write(rt2x00dev, TX_ALC_VGA3,
+					      0x00000000);
+			rt2800_register_write(rt2x00dev, BB_PA_MODE_CFG0,
+					      0x000055FF);
+			rt2800_register_write(rt2x00dev, BB_PA_MODE_CFG1,
+					      0x00550055);
+			rt2800_register_write(rt2x00dev, RF_PA_MODE_CFG0,
+					      0x000055FF);
+			rt2800_register_write(rt2x00dev, RF_PA_MODE_CFG1,
+					      0x00550055);
+		} else {
+			rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000401);
+			rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x000C0001);
+			rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
+			rt2800_register_write(rt2x00dev, TX_ALC_VGA3, 0x00000000);
+			rt2800_register_write(rt2x00dev, TX0_BB_GAIN_ATTEN, 0x0);
+			rt2800_register_write(rt2x00dev, TX1_BB_GAIN_ATTEN, 0x0);
+			rt2800_register_write(rt2x00dev, TX0_RF_GAIN_ATTEN,
+					      0x6C6C666C);
+			rt2800_register_write(rt2x00dev, TX1_RF_GAIN_ATTEN,
+					      0x6C6C666C);
+			rt2800_register_write(rt2x00dev, TX0_RF_GAIN_CORRECT,
+					      0x3630363A);
+			rt2800_register_write(rt2x00dev, TX1_RF_GAIN_CORRECT,
+					      0x3630363A);
+		}
 		reg = rt2800_register_read(rt2x00dev, TX_ALC_CFG_1);
 		rt2x00_set_field32(&reg, TX_ALC_CFG_1_ROS_BUSY_EN, 0);
 		rt2800_register_write(rt2x00dev, TX_ALC_CFG_1, reg);
@@ -7122,14 +7168,16 @@ static void rt2800_init_bbp_6352(struct rt2x00_dev *rt2x00dev)
 	rt2800_bbp_write(rt2x00dev, 188, 0x00);
 	rt2800_bbp_write(rt2x00dev, 189, 0x00);
 
-	rt2800_bbp_write(rt2x00dev, 91, 0x06);
-	rt2800_bbp_write(rt2x00dev, 92, 0x04);
-	rt2800_bbp_write(rt2x00dev, 93, 0x54);
-	rt2800_bbp_write(rt2x00dev, 99, 0x50);
-	rt2800_bbp_write(rt2x00dev, 148, 0x84);
-	rt2800_bbp_write(rt2x00dev, 167, 0x80);
-	rt2800_bbp_write(rt2x00dev, 178, 0xFF);
-	rt2800_bbp_write(rt2x00dev, 106, 0x13);
+	if (rt2800_hw_get_chipver(rt2x00dev) > 1) {
+		rt2800_bbp_write(rt2x00dev, 91, 0x06);
+		rt2800_bbp_write(rt2x00dev, 92, 0x04);
+		rt2800_bbp_write(rt2x00dev, 93, 0x54);
+		rt2800_bbp_write(rt2x00dev, 99, 0x50);
+		rt2800_bbp_write(rt2x00dev, 148, 0x84);
+		rt2800_bbp_write(rt2x00dev, 167, 0x80);
+		rt2800_bbp_write(rt2x00dev, 178, 0xFF);
+		rt2800_bbp_write(rt2x00dev, 106, 0x13);
+	}
 
 	/* BBP for G band GLRT function (BBP_128 ~ BBP_221) */
 	rt2800_bbp_glrt_write(rt2x00dev, 0, 0x00);
@@ -10359,6 +10407,9 @@ static void rt2800_restore_rf_bbp_rt6352(struct rt2x00_dev *rt2x00dev)
 		rt2800_register_write(rt2x00dev, RF_BYPASS3, 0x0);
 	}
 
+	if (rt2800_hw_get_chippkg(rt2x00dev) != 1)
+		return;
+
 	if (rt2x00_has_cap_external_lna_bg(rt2x00dev)) {
 		rt2800_rfcsr_write_chanreg(rt2x00dev, 14, 0x16);
 		rt2800_rfcsr_write_chanreg(rt2x00dev, 17, 0x23);
@@ -10403,8 +10454,10 @@ static void rt2800_calibration_rt6352(struct rt2x00_dev *rt2x00dev)
 	u32 reg;
 
 	if (rt2x00_has_cap_external_pa(rt2x00dev) ||
-	    rt2x00_has_cap_external_lna_bg(rt2x00dev))
+	    rt2x00_has_cap_external_lna_bg(rt2x00dev)) {
+		rt6352_enable_pa_pin(rt2x00dev, 0);
 		rt2800_restore_rf_bbp_rt6352(rt2x00dev);
+	}
 
 	rt2800_r_calibration(rt2x00dev);
 	rt2800_rf_self_txdc_cal(rt2x00dev);
@@ -10422,6 +10475,8 @@ static void rt2800_calibration_rt6352(struct rt2x00_dev *rt2x00dev)
 	    !rt2x00_has_cap_external_lna_bg(rt2x00dev))
 		return;
 
+	rt6352_enable_pa_pin(rt2x00dev, 1);
+
 	if (rt2x00_has_cap_external_pa(rt2x00dev)) {
 		reg = rt2800_register_read(rt2x00dev, RF_CONTROL3);
 		reg |= 0x00000101;
@@ -10432,6 +10487,9 @@ static void rt2800_calibration_rt6352(struct rt2x00_dev *rt2x00dev)
 		rt2800_register_write(rt2x00dev, RF_BYPASS3, reg);
 	}
 
+	if (rt2800_hw_get_chippkg(rt2x00dev) != 1)
+		return;
+
 	if (rt2x00_has_cap_external_lna_bg(rt2x00dev)) {
 		rt2800_rfcsr_write_chanreg(rt2x00dev, 14, 0x66);
 		rt2800_rfcsr_write_chanreg(rt2x00dev, 17, 0x20);
@@ -10522,31 +10580,36 @@ static void rt2800_init_rfcsr_6352(struct rt2x00_dev *rt2x00dev)
 	rt2800_rfcsr_write(rt2x00dev, 42, 0x5B);
 	rt2800_rfcsr_write(rt2x00dev, 43, 0x00);
 
-	rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
-	if (rt2800_clk_is_20mhz(rt2x00dev))
-		rt2800_rfcsr_write(rt2x00dev, 13, 0x03);
-	else
-		rt2800_rfcsr_write(rt2x00dev, 13, 0x00);
-	rt2800_rfcsr_write(rt2x00dev, 14, 0x7C);
-	rt2800_rfcsr_write(rt2x00dev, 16, 0x80);
-	rt2800_rfcsr_write(rt2x00dev, 17, 0x99);
-	rt2800_rfcsr_write(rt2x00dev, 18, 0x99);
-	rt2800_rfcsr_write(rt2x00dev, 19, 0x09);
-	rt2800_rfcsr_write(rt2x00dev, 20, 0x50);
-	rt2800_rfcsr_write(rt2x00dev, 21, 0xB0);
-	rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
-	rt2800_rfcsr_write(rt2x00dev, 23, 0x06);
-	rt2800_rfcsr_write(rt2x00dev, 24, 0x00);
-	rt2800_rfcsr_write(rt2x00dev, 25, 0x00);
-	rt2800_rfcsr_write(rt2x00dev, 26, 0x5D);
-	rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
-	rt2800_rfcsr_write(rt2x00dev, 28, 0x61);
-	rt2800_rfcsr_write(rt2x00dev, 29, 0xB5);
-	rt2800_rfcsr_write(rt2x00dev, 43, 0x02);
+	if (rt2800_hw_get_chipver(rt2x00dev) > 1) {
+		rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
+		if (rt2800_clk_is_20mhz(rt2x00dev))
+			rt2800_rfcsr_write(rt2x00dev, 13, 0x03);
+		else
+			rt2800_rfcsr_write(rt2x00dev, 13, 0x00);
+		rt2800_rfcsr_write(rt2x00dev, 14, 0x7C);
+		rt2800_rfcsr_write(rt2x00dev, 16, 0x80);
+		rt2800_rfcsr_write(rt2x00dev, 17, 0x99);
+		rt2800_rfcsr_write(rt2x00dev, 18, 0x99);
+		rt2800_rfcsr_write(rt2x00dev, 19, 0x09);
+		rt2800_rfcsr_write(rt2x00dev, 20, 0x50);
+		rt2800_rfcsr_write(rt2x00dev, 21, 0xB0);
+		rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
+		rt2800_rfcsr_write(rt2x00dev, 23, 0x06);
+		rt2800_rfcsr_write(rt2x00dev, 24, 0x00);
+		rt2800_rfcsr_write(rt2x00dev, 25, 0x00);
+		rt2800_rfcsr_write(rt2x00dev, 26, 0x5D);
+		rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
+		rt2800_rfcsr_write(rt2x00dev, 28, 0x61);
+		rt2800_rfcsr_write(rt2x00dev, 29, 0xB5);
+		rt2800_rfcsr_write(rt2x00dev, 43, 0x02);
+	}
 
-	rt2800_rfcsr_write(rt2x00dev, 28, 0x62);
-	rt2800_rfcsr_write(rt2x00dev, 29, 0xAD);
-	rt2800_rfcsr_write(rt2x00dev, 39, 0x80);
+	if (rt2800_hw_get_chipver(rt2x00dev) > 1 &&
+	    rt2800_hw_get_chipeco(rt2x00dev) >= 2) {
+		rt2800_rfcsr_write(rt2x00dev, 28, 0x62);
+		rt2800_rfcsr_write(rt2x00dev, 29, 0xAD);
+		rt2800_rfcsr_write(rt2x00dev, 39, 0x80);
+	}
 
 	/* Initialize RF channel register to default value */
 	rt2800_rfcsr_write_chanreg(rt2x00dev, 0, 0x03);
@@ -10612,63 +10675,71 @@ static void rt2800_init_rfcsr_6352(struct rt2x00_dev *rt2x00dev)
 
 	rt2800_rfcsr_write_bank(rt2x00dev, 6, 45, 0xC5);
 
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 9, 0x47);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 10, 0x71);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 11, 0x33);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 14, 0x0E);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 17, 0x23);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 19, 0xA4);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 20, 0x02);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 21, 0x12);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 28, 0x1C);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 29, 0xEB);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 32, 0x7D);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 34, 0xD6);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 36, 0x08);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 38, 0xB4);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 43, 0xD3);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 44, 0xB3);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 45, 0xD5);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 46, 0x27);
-	rt2800_rfcsr_write_bank(rt2x00dev, 4, 47, 0x67);
-	rt2800_rfcsr_write_bank(rt2x00dev, 6, 47, 0x69);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 48, 0xFF);
-	rt2800_rfcsr_write_bank(rt2x00dev, 4, 54, 0x27);
-	rt2800_rfcsr_write_bank(rt2x00dev, 6, 54, 0x20);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 55, 0x66);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 56, 0xFF);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 57, 0x1C);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 58, 0x20);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 59, 0x6B);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 60, 0xF7);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 61, 0x09);
-
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 10, 0x51);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 14, 0x06);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 19, 0xA7);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 28, 0x2C);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 55, 0x64);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 8, 0x51);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 9, 0x36);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 11, 0x53);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 14, 0x16);
-
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 47, 0x6C);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 48, 0xFC);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 49, 0x1F);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 54, 0x27);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 55, 0x66);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 59, 0x6B);
-
-	/* Initialize RF channel register for DRQFN */
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 43, 0xD3);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 44, 0xE3);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 45, 0xE5);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 47, 0x28);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 55, 0x68);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 56, 0xF7);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 58, 0x02);
-	rt2800_rfcsr_write_chanreg(rt2x00dev, 60, 0xC7);
+	if (rt2800_hw_get_chipver(rt2x00dev) > 1) {
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 9, 0x47);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 10, 0x71);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 11, 0x33);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 14, 0x0E);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 17, 0x23);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 19, 0xA4);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 20, 0x02);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 21, 0x12);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 28, 0x1C);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 29, 0xEB);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 32, 0x7D);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 34, 0xD6);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 36, 0x08);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 38, 0xB4);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 43, 0xD3);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 44, 0xB3);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 45, 0xD5);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 46, 0x27);
+		rt2800_rfcsr_write_bank(rt2x00dev, 4, 47, 0x67);
+		rt2800_rfcsr_write_bank(rt2x00dev, 6, 47, 0x69);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 48, 0xFF);
+		rt2800_rfcsr_write_bank(rt2x00dev, 4, 54, 0x27);
+		rt2800_rfcsr_write_bank(rt2x00dev, 6, 54, 0x20);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 55, 0x66);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 56, 0xFF);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 57, 0x1C);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 58, 0x20);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 59, 0x6B);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 60, 0xF7);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 61, 0x09);
+	}
+
+	if (rt2800_hw_get_chipver(rt2x00dev) > 1 &&
+	    rt2800_hw_get_chipeco(rt2x00dev) >= 2) {
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 10, 0x51);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 14, 0x06);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 19, 0xA7);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 28, 0x2C);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 55, 0x64);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 8, 0x51);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 9, 0x36);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 11, 0x53);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 14, 0x16);
+
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 47, 0x6C);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 48, 0xFC);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 49, 0x1F);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 54, 0x27);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 55, 0x66);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 59, 0x6B);
+	}
+
+	if (rt2800_hw_get_chippkg(rt2x00dev) == 0 &&
+	    rt2800_hw_get_chipver(rt2x00dev) == 1) {
+		/* Initialize RF channel register for DRQFN */
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 43, 0xD3);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 44, 0xE3);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 45, 0xE5);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 47, 0x28);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 55, 0x68);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 56, 0xF7);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 58, 0x02);
+		rt2800_rfcsr_write_chanreg(rt2x00dev, 60, 0xC7);
+	}
 
 	/* Initialize RF DC calibration register to default value */
 	rt2800_rfcsr_write_dccal(rt2x00dev, 0, 0x47);
@@ -10731,12 +10802,17 @@ static void rt2800_init_rfcsr_6352(struct rt2x00_dev *rt2x00dev)
 	rt2800_rfcsr_write_dccal(rt2x00dev, 62, 0x00);
 	rt2800_rfcsr_write_dccal(rt2x00dev, 63, 0x00);
 
-	rt2800_rfcsr_write_dccal(rt2x00dev, 3, 0x08);
-	rt2800_rfcsr_write_dccal(rt2x00dev, 4, 0x04);
-	rt2800_rfcsr_write_dccal(rt2x00dev, 5, 0x20);
+	if (rt2800_hw_get_chipver(rt2x00dev) > 1) {
+		rt2800_rfcsr_write_dccal(rt2x00dev, 3, 0x08);
+		rt2800_rfcsr_write_dccal(rt2x00dev, 4, 0x04);
+		rt2800_rfcsr_write_dccal(rt2x00dev, 5, 0x20);
+	}
 
-	rt2800_rfcsr_write_dccal(rt2x00dev, 5, 0x00);
-	rt2800_rfcsr_write_dccal(rt2x00dev, 17, 0x7C);
+	if (rt2800_hw_get_chipver(rt2x00dev) > 1 &&
+	    rt2800_hw_get_chipeco(rt2x00dev) >= 2) {
+		rt2800_rfcsr_write_dccal(rt2x00dev, 5, 0x00);
+		rt2800_rfcsr_write_dccal(rt2x00dev, 17, 0x7C);
+	}
 
 	/* Do calibration and init PA/LNA */
 	rt2800_calibration_rt6352(rt2x00dev);
@@ -11282,6 +11358,17 @@ static int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev)
 	rt2800_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC);
 	rt2800_init_led(rt2x00dev, &rt2x00dev->led_qual, LED_TYPE_QUALITY);
 
+	{
+		struct device_node *np = rt2x00dev->dev->of_node;
+		unsigned int led_polarity;
+
+		/* Allow overriding polarity from OF */
+		if (!of_property_read_u32(np, "ralink,led-polarity",
+					  &led_polarity))
+			rt2x00_set_field16(&eeprom, EEPROM_FREQ_LED_POLARITY,
+					   led_polarity);
+	}
+
 	rt2x00dev->led_mcu_reg = eeprom;
 #endif /* CPTCFG_RT2X00_LIB_LEDS */
 
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.h b/drivers/net/wireless/ralink/rt2x00/rt2800lib.h
index 194de67..a18140c 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.h
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.h
@@ -76,6 +76,9 @@ struct rt2800_ops {
 	int (*drv_init_registers)(struct rt2x00_dev *rt2x00dev);
 	__le32 *(*drv_get_txwi)(struct queue_entry *entry);
 	unsigned int (*drv_get_dma_done)(struct data_queue *queue);
+	int (*hw_get_chippkg)(void);
+	int (*hw_get_chipver)(void);
+	int (*hw_get_chipeco)(void);
 };
 
 static inline u32 rt2800_register_read(struct rt2x00_dev *rt2x00dev,
@@ -184,6 +187,27 @@ static inline unsigned int rt2800_drv_get_dma_done(struct data_queue *queue)
 	return rt2800ops->drv_get_dma_done(queue);
 }
 
+static inline int rt2800_hw_get_chippkg(struct rt2x00_dev *rt2x00dev)
+{
+	const struct rt2800_ops *rt2800ops = rt2x00dev->ops->drv;
+
+	return rt2800ops->hw_get_chippkg();
+}
+
+static inline int rt2800_hw_get_chipver(struct rt2x00_dev *rt2x00dev)
+{
+	const struct rt2800_ops *rt2800ops = rt2x00dev->ops->drv;
+
+	return rt2800ops->hw_get_chipver();
+}
+
+static inline int rt2800_hw_get_chipeco(struct rt2x00_dev *rt2x00dev)
+{
+	const struct rt2800_ops *rt2800ops = rt2x00dev->ops->drv;
+
+	return rt2800ops->hw_get_chipeco();
+}
+
 void rt2800_mcu_request(struct rt2x00_dev *rt2x00dev,
 			const u8 command, const u8 token,
 			const u8 arg0, const u8 arg1);
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800pci.c b/drivers/net/wireless/ralink/rt2x00/rt2800pci.c
index c891043..b041952 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800pci.c
@@ -286,6 +286,10 @@ static int rt2800pci_read_eeprom(struct rt2x00_dev *rt2x00dev)
 	return retval;
 }
 
+static int rt2800pci_get_chippkg(void) { return 0; }
+static int rt2800pci_get_chipver(void) { return 0; }
+static int rt2800pci_get_chipeco(void) { return 0; }
+
 static const struct ieee80211_ops rt2800pci_mac80211_ops = {
 	.add_chanctx = ieee80211_emulate_add_chanctx,
 	.remove_chanctx = ieee80211_emulate_remove_chanctx,
@@ -333,6 +337,9 @@ static const struct rt2800_ops rt2800pci_rt2800_ops = {
 	.drv_init_registers	= rt2800mmio_init_registers,
 	.drv_get_txwi		= rt2800mmio_get_txwi,
 	.drv_get_dma_done	= rt2800mmio_get_dma_done,
+	.hw_get_chippkg		= rt2800pci_get_chippkg,
+	.hw_get_chipver		= rt2800pci_get_chipver,
+	.hw_get_chipeco		= rt2800pci_get_chipeco,
 };
 
 static const struct rt2x00lib_ops rt2800pci_rt2x00_ops = {
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800soc.c b/drivers/net/wireless/ralink/rt2x00/rt2800soc.c
index 787dbf0..e0d7893 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2800soc.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800soc.c
@@ -27,6 +27,12 @@
 #include "rt2800lib.h"
 #include "rt2800mmio.h"
 
+/* Needed to probe CHIP_VER register on MT7620 */
+#ifdef CONFIG_SOC_MT7620
+#include <asm/mach-ralink/ralink_regs.h>
+#include <asm/mach-ralink/mt7620.h>
+#endif
+
 /* Allow hardware encryption to be disabled. */
 static bool modparam_nohwcrypt;
 module_param_named(nohwcrypt, modparam_nohwcrypt, bool, 0444);
@@ -90,19 +96,6 @@ static int rt2800soc_set_device_state(struct rt2x00_dev *rt2x00dev,
 	return retval;
 }
 
-static int rt2800soc_read_eeprom(struct rt2x00_dev *rt2x00dev)
-{
-	void __iomem *base_addr = ioremap(0x1F040000, EEPROM_SIZE);
-
-	if (!base_addr)
-		return -ENOMEM;
-
-	memcpy_fromio(rt2x00dev->eeprom, base_addr, EEPROM_SIZE);
-
-	iounmap(base_addr);
-	return 0;
-}
-
 /* Firmware functions */
 static char *rt2800soc_get_firmware_name(struct rt2x00_dev *rt2x00dev)
 {
@@ -131,6 +124,27 @@ static int rt2800soc_write_firmware(struct rt2x00_dev *rt2x00dev,
 	return 0;
 }
 
+#ifdef CONFIG_SOC_MT7620
+static int rt2800soc_get_chippkg(void)
+{
+	return mt7620_get_pkg();
+}
+
+static int rt2800soc_get_chipver(void)
+{
+	return mt7620_get_chipver();
+}
+
+static int rt2800soc_get_chipeco(void)
+{
+	return mt7620_get_eco();
+}
+#else
+static int rt2800soc_get_chippkg(void) { return 0; }
+static int rt2800soc_get_chipver(void) { return 0; }
+static int rt2800soc_get_chipeco(void) { return 0; }
+#endif
+
 static const struct ieee80211_ops rt2800soc_mac80211_ops = {
 	.add_chanctx = ieee80211_emulate_add_chanctx,
 	.remove_chanctx = ieee80211_emulate_remove_chanctx,
@@ -172,12 +186,15 @@ static const struct rt2800_ops rt2800soc_rt2800_ops = {
 	.register_multiread	= rt2x00mmio_register_multiread,
 	.register_multiwrite	= rt2x00mmio_register_multiwrite,
 	.regbusy_read		= rt2x00mmio_regbusy_read,
-	.read_eeprom		= rt2800soc_read_eeprom,
+	.read_eeprom		= rt2x00lib_read_eeprom,
 	.hwcrypt_disabled	= rt2800soc_hwcrypt_disabled,
 	.drv_write_firmware	= rt2800soc_write_firmware,
 	.drv_init_registers	= rt2800mmio_init_registers,
 	.drv_get_txwi		= rt2800mmio_get_txwi,
 	.drv_get_dma_done	= rt2800mmio_get_dma_done,
+	.hw_get_chippkg		= rt2800soc_get_chippkg,
+	.hw_get_chipver		= rt2800soc_get_chipver,
+	.hw_get_chipeco		= rt2800soc_get_chipeco,
 };
 
 static const struct rt2x00lib_ops rt2800soc_rt2x00_ops = {
@@ -243,10 +260,17 @@ static int rt2800soc_probe(struct platform_device *pdev)
 	return rt2x00soc_probe(pdev, &rt2800soc_ops);
 }
 
+static const struct of_device_id rt2880_wmac_match[] = {
+	{ .compatible = "ralink,rt2880-wmac" },
+	{},
+};
+MODULE_DEVICE_TABLE(of, rt2880_wmac_match);
+
 static struct platform_driver rt2800soc_driver = {
 	.driver		= {
 		.name		= "rt2800_wmac",
 		.mod_name	= KBUILD_MODNAME,
+		.of_match_table	= rt2880_wmac_match,
 	},
 	.probe		= rt2800soc_probe,
 	.remove		= rt2x00soc_remove,
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800usb.c b/drivers/net/wireless/ralink/rt2x00/rt2800usb.c
index a37f8ea..2663447 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800usb.c
@@ -628,6 +628,10 @@ static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev)
 	return 0;
 }
 
+static int rt2800usb_get_chippkg(void) { return 0; }
+static int rt2800usb_get_chipver(void) { return 0; }
+static int rt2800usb_get_chipeco(void) { return 0; }
+
 static const struct ieee80211_ops rt2800usb_mac80211_ops = {
 	.add_chanctx = ieee80211_emulate_add_chanctx,
 	.remove_chanctx = ieee80211_emulate_remove_chanctx,
@@ -676,6 +680,9 @@ static const struct rt2800_ops rt2800usb_rt2800_ops = {
 	.drv_init_registers	= rt2800usb_init_registers,
 	.drv_get_txwi		= rt2800usb_get_txwi,
 	.drv_get_dma_done	= rt2800usb_get_dma_done,
+	.hw_get_chippkg		= rt2800usb_get_chippkg,
+	.hw_get_chipver		= rt2800usb_get_chipver,
+	.hw_get_chipeco		= rt2800usb_get_chipeco,
 };
 
 static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = {
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00.h b/drivers/net/wireless/ralink/rt2x00/rt2x00.h
index 0ac4ae9..27d283b 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00.h
@@ -28,6 +28,8 @@
 #include <linux/average.h>
 #include <linux/usb.h>
 #include <linux/clk.h>
+#include <linux/pinctrl/consumer.h>
+#include <linux/rt2x00_platform.h>
 
 #include <net/mac80211.h>
 
@@ -407,6 +409,7 @@ struct hw_mode_spec {
 	unsigned int supported_bands;
 #define SUPPORT_BAND_2GHZ	0x00000001
 #define SUPPORT_BAND_5GHZ	0x00000002
+#define SUPPORT_BAND_BOTH	(SUPPORT_BAND_2GHZ | SUPPORT_BAND_5GHZ)
 
 	unsigned int supported_rates;
 #define SUPPORT_RATE_CCK	0x00000001
@@ -702,6 +705,7 @@ enum rt2x00_capability_flags {
 	REQUIRE_HT_TX_DESC,
 	REQUIRE_PS_AUTOWAKE,
 	REQUIRE_DELAYED_RFKILL,
+	REQUIRE_EEPROM_FILE,
 
 	/*
 	 * Capabilities
@@ -1024,6 +1028,11 @@ struct rt2x00_dev {
 
 	/* Clock for System On Chip devices. */
 	struct clk *clk;
+
+	/* pinctrl and states for System On Chip devices with PA/LNA. */
+	struct pinctrl *pinctrl;
+	struct pinctrl_state *pins_default;
+	struct pinctrl_state *pins_pa_gpio;
 };
 
 struct rt2x00_bar_list_entry {
@@ -1271,6 +1280,12 @@ rt2x00_has_cap_external_pa(struct rt2x00_dev *rt2x00dev)
 	return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_EXTERNAL_PA_TX0);
 }
 
+static inline bool
+rt2x00_has_cap_external_pa(struct rt2x00_dev *rt2x00dev)
+{
+	return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_EXTERNAL_PA_TX0);
+}
+
 static inline bool
 rt2x00_has_cap_double_antenna(struct rt2x00_dev *rt2x00dev)
 {
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c b/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c
index 274524e..69f8d5a 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c
@@ -990,6 +990,12 @@ static void rt2x00lib_rate(struct ieee80211_rate *entry,
 
 void rt2x00lib_set_mac_address(struct rt2x00_dev *rt2x00dev, u8 *eeprom_mac_addr)
 {
+	struct rt2x00_platform_data *pdata;
+
+	pdata = rt2x00dev->dev->platform_data;
+	if (pdata && pdata->mac_address)
+		ether_addr_copy(eeprom_mac_addr, pdata->mac_address);
+
 	of_get_mac_address(rt2x00dev->dev->of_node, eeprom_mac_addr);
 
 	if (!is_valid_ether_addr(eeprom_mac_addr)) {
@@ -1007,6 +1013,32 @@ static int rt2x00lib_probe_hw_modes(struct rt2x00_dev *rt2x00dev,
 	struct ieee80211_rate *rates;
 	unsigned int num_rates;
 	unsigned int i;
+#ifdef CONFIG_OF
+	struct device_node *np = rt2x00dev->dev->of_node;
+	unsigned int enabled;
+	if (!of_property_read_u32(np, "ralink,2ghz",
+                                          &enabled) && !enabled)
+		spec->supported_bands &= ~SUPPORT_BAND_2GHZ;
+	if (!of_property_read_u32(np, "ralink,5ghz",
+                                          &enabled) && !enabled)
+		spec->supported_bands &= ~SUPPORT_BAND_5GHZ;
+#endif /* CONFIG_OF */
+
+	if (rt2x00dev->dev->platform_data) {
+		struct rt2x00_platform_data *pdata;
+
+		pdata = rt2x00dev->dev->platform_data;
+		if (pdata->disable_2ghz)
+			spec->supported_bands &= ~SUPPORT_BAND_2GHZ;
+		if (pdata->disable_5ghz)
+			spec->supported_bands &= ~SUPPORT_BAND_5GHZ;
+	}
+
+	if ((spec->supported_bands & SUPPORT_BAND_BOTH) == 0) {
+		rt2x00_err(rt2x00dev, "No supported bands\n");
+		return -EINVAL;
+	}
+
 
 	num_rates = 0;
 	if (spec->supported_rates & SUPPORT_RATE_CCK)
@@ -1330,7 +1362,7 @@ static inline void rt2x00lib_set_if_combinations(struct rt2x00_dev *rt2x00dev)
 	 */
 	if_limit = &rt2x00dev->if_limits_ap;
 	if_limit->max = rt2x00dev->ops->max_ap_intf;
-	if_limit->types = BIT(NL80211_IFTYPE_AP);
+	if_limit->types = BIT(NL80211_IFTYPE_AP) | BIT(NL80211_IFTYPE_STATION);
 #ifdef CPTCFG_MAC80211_MESH
 	if_limit->types |= BIT(NL80211_IFTYPE_MESH_POINT);
 #endif
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00eeprom.c b/drivers/net/wireless/ralink/rt2x00/rt2x00eeprom.c
new file mode 100644
index 0000000..15c4e0b
--- /dev/null
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00eeprom.c
@@ -0,0 +1,208 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
+ *	Copyright (C) 2004 - 2009 Gertjan van Wingerde <gwingerde@gmail.com>
+ *	<http://rt2x00.serialmonkey.com>
+ */
+
+/*	Module: rt2x00lib
+ *	Abstract: rt2x00 eeprom file loading routines.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#if IS_ENABLED(CONFIG_MTD)
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#endif
+#include <linux/nvmem-consumer.h>
+#include <linux/of.h>
+
+#include "rt2x00.h"
+#include "rt2x00soc.h"
+
+static void rt2800lib_eeprom_swap(struct rt2x00_dev *rt2x00dev)
+{
+	struct device_node *np = rt2x00dev->dev->of_node;
+	size_t len = rt2x00dev->ops->eeprom_size;
+	int i;
+
+	if (!of_find_property(np, "ralink,eeprom-swap", NULL))
+		return;
+
+	for (i = 0; i < len / sizeof(u16); i++)
+		rt2x00dev->eeprom[i] = swab16(rt2x00dev->eeprom[i]);
+}
+
+#if IS_ENABLED(CONFIG_MTD)
+static int rt2800lib_read_eeprom_mtd(struct rt2x00_dev *rt2x00dev)
+{
+	int ret = -EINVAL;
+#ifdef CONFIG_OF
+	struct device_node *np = rt2x00dev->dev->of_node, *mtd_np = NULL;
+	int size, offset = 0;
+	struct mtd_info *mtd;
+	const char *part;
+	const __be32 *list;
+	phandle phandle;
+	size_t retlen;
+
+	list = of_get_property(np, "ralink,mtd-eeprom", &size);
+	if (!list)
+		return -ENOENT;
+
+	phandle = be32_to_cpup(list++);
+	if (phandle)
+		mtd_np = of_find_node_by_phandle(phandle);
+	if (!mtd_np) {
+		dev_err(rt2x00dev->dev, "failed to load mtd phandle\n");
+		return -EINVAL;
+	}
+
+	part = of_get_property(mtd_np, "label", NULL);
+	if (!part)
+		part = mtd_np->name;
+
+	mtd = get_mtd_device_nm(part);
+	if (IS_ERR(mtd)) {
+		dev_err(rt2x00dev->dev, "failed to get mtd device \"%s\"\n", part);
+		return PTR_ERR(mtd);
+	}
+
+	if (size > sizeof(*list))
+		offset = be32_to_cpup(list);
+
+	ret = mtd_read(mtd, offset, rt2x00dev->ops->eeprom_size,
+		       &retlen, (u_char *)rt2x00dev->eeprom);
+	put_mtd_device(mtd);
+
+	if (retlen != rt2x00dev->ops->eeprom_size || ret) {
+		dev_err(rt2x00dev->dev, "failed to load eeprom from device \"%s\"\n", part);
+		return ret;
+	}
+
+	rt2800lib_eeprom_swap(rt2x00dev);
+
+	dev_info(rt2x00dev->dev, "loaded eeprom from mtd device \"%s\"\n", part);
+#endif
+
+	return ret;
+}
+#endif
+
+static int rt2800lib_read_eeprom_nvmem(struct rt2x00_dev *rt2x00dev)
+{
+	struct device_node *np = rt2x00dev->dev->of_node;
+	unsigned int len = rt2x00dev->ops->eeprom_size;
+	struct nvmem_cell *cell;
+	const void *data;
+	size_t retlen;
+	int ret = 0;
+
+	cell = of_nvmem_cell_get(np, "eeprom");
+	if (IS_ERR(cell))
+		return PTR_ERR(cell);
+
+	data = nvmem_cell_read(cell, &retlen);
+	nvmem_cell_put(cell);
+
+	if (IS_ERR(data))
+		return PTR_ERR(data);
+
+	if (retlen != len) {
+		dev_err(rt2x00dev->dev, "invalid eeprom size, required: 0x%04x\n", len);
+		ret = -EINVAL;
+		goto exit;
+	}
+
+	memcpy(rt2x00dev->eeprom, data, len);
+
+	rt2800lib_eeprom_swap(rt2x00dev);
+
+exit:
+	kfree(data);
+	return ret;
+}
+
+static const char *
+rt2x00lib_get_eeprom_file_name(struct rt2x00_dev *rt2x00dev)
+{
+	struct rt2x00_platform_data *pdata = rt2x00dev->dev->platform_data;
+#ifdef CONFIG_OF
+	struct device_node *np;
+	const char *eep;
+#endif
+
+	if (pdata && pdata->eeprom_file_name)
+		return pdata->eeprom_file_name;
+
+#ifdef CONFIG_OF
+	np = rt2x00dev->dev->of_node;
+	if (np && !of_property_read_string(np, "ralink,eeprom", &eep))
+		return eep;
+#endif
+
+	return NULL;
+}
+
+static int rt2x00lib_read_eeprom_file(struct rt2x00_dev *rt2x00dev)
+{
+	const struct firmware *ee;
+	const char *ee_name;
+	int retval;
+
+	ee_name = rt2x00lib_get_eeprom_file_name(rt2x00dev);
+	if (!ee_name && test_bit(REQUIRE_EEPROM_FILE, &rt2x00dev->cap_flags)) {
+		rt2x00_err(rt2x00dev, "Required EEPROM name is missing.");
+		return -EINVAL;
+	}
+
+	if (!ee_name)
+		return 0;
+
+	rt2x00_info(rt2x00dev, "Loading EEPROM data from '%s'.\n", ee_name);
+
+	retval = request_firmware(&ee, ee_name, rt2x00dev->dev);
+	if (retval) {
+		rt2x00_err(rt2x00dev, "Failed to request EEPROM.\n");
+		return retval;
+	}
+
+	if (!ee || !ee->size || !ee->data) {
+		rt2x00_err(rt2x00dev, "Failed to read EEPROM file.\n");
+		retval = -ENOENT;
+		goto err_exit;
+	}
+
+	if (ee->size != rt2x00dev->ops->eeprom_size) {
+		rt2x00_err(rt2x00dev,
+			   "EEPROM file size is invalid, it should be %d bytes\n",
+			   rt2x00dev->ops->eeprom_size);
+		retval = -EINVAL;
+		goto err_release_ee;
+	}
+
+	memcpy(rt2x00dev->eeprom, ee->data, rt2x00dev->ops->eeprom_size);
+
+err_release_ee:
+	release_firmware(ee);
+err_exit:
+	return retval;
+}
+
+int rt2x00lib_read_eeprom(struct rt2x00_dev *rt2x00dev)
+{
+	int ret;
+
+#if IS_ENABLED(CONFIG_MTD)
+	ret = rt2800lib_read_eeprom_mtd(rt2x00dev);
+	if (!ret)
+		return 0;
+#endif
+
+	ret = rt2800lib_read_eeprom_nvmem(rt2x00dev);
+	if (!ret)
+		return 0;
+
+	return rt2x00lib_read_eeprom_file(rt2x00dev);
+}
+EXPORT_SYMBOL_GPL(rt2x00lib_read_eeprom);
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00leds.c b/drivers/net/wireless/ralink/rt2x00/rt2x00leds.c
index f5361d5..bad5ce2 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00leds.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00leds.c
@@ -98,6 +98,9 @@ static int rt2x00leds_register_led(struct rt2x00_dev *rt2x00dev,
 	led->led_dev.name = name;
 	led->led_dev.brightness = LED_OFF;
 
+	if (rt2x00_is_soc(rt2x00dev))
+		led->led_dev.brightness_set(&led->led_dev, LED_OFF);
+
 	retval = led_classdev_register(device, &led->led_dev);
 	if (retval) {
 		rt2x00_err(rt2x00dev, "Failed to register led handler\n");
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00soc.c b/drivers/net/wireless/ralink/rt2x00/rt2x00soc.c
index eface61..541b718 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00soc.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00soc.c
@@ -86,6 +86,7 @@ int rt2x00soc_probe(struct platform_device *pdev, const struct rt2x00_ops *ops)
 	if (IS_ERR(rt2x00dev->clk))
 		rt2x00dev->clk = NULL;
 
+	set_bit(REQUIRE_EEPROM_FILE, &rt2x00dev->cap_flags);
 	rt2x00_set_chip_intf(rt2x00dev, RT2X00_CHIP_INTF_SOC);
 
 	retval = rt2x00soc_alloc_reg(rt2x00dev);
@@ -96,6 +97,21 @@ int rt2x00soc_probe(struct platform_device *pdev, const struct rt2x00_ops *ops)
 	if (retval)
 		goto exit_free_reg;
 
+	rt2x00dev->pinctrl = devm_pinctrl_get(&pdev->dev);
+	if (IS_ERR(rt2x00dev->pinctrl)) {
+		rt2x00dev->pinctrl = NULL;
+		rt2x00dev->pins_default = NULL;
+		rt2x00dev->pins_pa_gpio = NULL;
+	} else {
+		rt2x00dev->pins_default = pinctrl_lookup_state(rt2x00dev->pinctrl, "default");
+		if (IS_ERR(rt2x00dev->pins_default))
+			rt2x00dev->pins_default = NULL;
+
+		rt2x00dev->pins_pa_gpio = pinctrl_lookup_state(rt2x00dev->pinctrl, "pa_gpio");
+		if (IS_ERR(rt2x00dev->pins_pa_gpio))
+			rt2x00dev->pins_pa_gpio = NULL;
+	}
+
 	return 0;
 
 exit_free_reg:
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00soc.h b/drivers/net/wireless/ralink/rt2x00/rt2x00soc.h
index 021fd06..21cd951 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00soc.h
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00soc.h
@@ -26,4 +26,13 @@ int rt2x00soc_resume(struct platform_device *pdev);
 #define rt2x00soc_resume	NULL
 #endif /* CONFIG_PM */
 
+/*
+ * EEPROM file handlers.
+ */
+#ifdef CPTCFG_RT2X00_LIB_EEPROM
+int rt2x00lib_read_eeprom(struct rt2x00_dev *rt2x00dev);
+#else
+#define rt2x00lib_read_eeprom	NULL
+#endif /* CPTCFG_RT2X00_LIB_EEPROM */
+
 #endif /* RT2X00SOC_H */
diff --git a/include/linux/rt2x00_platform.h b/include/linux/rt2x00_platform.h
new file mode 100644
index 0000000..e10377e
--- /dev/null
+++ b/include/linux/rt2x00_platform.h
@@ -0,0 +1,23 @@
+/*
+ * Platform data definition for the rt2x00 driver
+ *
+ * Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
+ *
+ * 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.
+ *
+ */
+
+#ifndef _RT2X00_PLATFORM_H
+#define _RT2X00_PLATFORM_H
+
+struct rt2x00_platform_data {
+	char *eeprom_file_name;
+	const u8 *mac_address;
+
+	int disable_2ghz;
+	int disable_5ghz;
+};
+
+#endif /* _RT2X00_PLATFORM_H */
diff --git a/local-symbols b/local-symbols
index 3d81ba5..beafad9 100644
--- a/local-symbols
+++ b/local-symbols
@@ -331,6 +331,7 @@ RT2X00_LIB_FIRMWARE=
 RT2X00_LIB_CRYPTO=
 RT2X00_LIB_LEDS=
 RT2X00_LIB_DEBUGFS=
+RT2X00_LIB_EEPROM=
 RT2X00_DEBUG=
 WLAN_VENDOR_REALTEK=
 RTL8180=
-- 
2.39.2