RK3588 EC200A-CN【4G模块】调试
1、修改kernel
diff --git a/arch/arm64/boot/dts/rockchip/rk3588-nvr-demo.dtsi b/arch/arm64/boot/dts/rockchip/rk3588-nvr-demo.dtsi
index d8a7a43cdfa0..772f16633148 100755
--- a/arch/arm64/boot/dts/rockchip/rk3588-nvr-demo.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588-nvr-demo.dtsi
@@ -187,6 +187,13 @@status = "okay";};+ lk4g_gpio {
+ compatible = "rockchip,lk4g_gpio";
+ pinctrl-0 = <&mod4g_pins>;
+ pwr_4g = <&gpio1 RK_PB0 GPIO_ACTIVE_HIGH>;
+ rst_4g = <&gpio1 RK_PA7 GPIO_ACTIVE_HIGH>;
+ status = "okay";
+ };};&pwm11 {
@@ -207,7 +214,7 @@reset-gpios = <&gpio1 RK_PA7 GPIO_ACTIVE_LOW>;vpcie3v3-supply = <&vcc3v3_pcie30>;rockchip,init-delay-ms = <100>;
- status = "disabled";
+ status = "okay";};&pcie2x1l2 {
@@ -792,6 +799,13 @@};};+ lk4g_pins {
+ mod4g_pins: mod4g-pins {
+ rockchip,pins = <1 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>,
+ <1 RK_PA7 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+ hdmi {hdmirx_det: hdmirx-det {rockchip,pins = <1 RK_PD5 RK_FUNC_GPIO &pcfg_pull_up>;
diff --git a/arch/arm64/configs/rk3588_nvr.config b/arch/arm64/configs/rk3588_nvr.config
index 79ffd373d61e..a0e41797dd71 100644
--- a/arch/arm64/configs/rk3588_nvr.config
+++ b/arch/arm64/configs/rk3588_nvr.config
@@ -27,7 +27,7 @@ CONFIG_ROCKCHIP_CLK_COMPENSATION=y# CONFIG_USB_ACM is not set# CONFIG_USB_CONFIGFS_ACM is not set# CONFIG_USB_CONFIGFS_MASS_STORAGE is not set
-# CONFIG_USB_SERIAL is not set
+CONFIG_USB_SERIAL=y# CONFIG_WLAN is not setCONFIG_DMABUF_CACHE=yCONFIG_ASYNC_CORE=y
diff --git a/arch/arm64/configs/rockchip_linux_defconfig b/arch/arm64/configs/rockchip_linux_defconfig
index db5fdc8f6d1a..d07c618855cd 100644
--- a/arch/arm64/configs/rockchip_linux_defconfig
+++ b/arch/arm64/configs/rockchip_linux_defconfig
@@ -1,3 +1,17 @@
+CONFIG_USB_NET_DRIVERS=y
+CONFIG_USB_USBNET=y
+CONFIG_USB_NET_QMI_WWAN=y
+CONFIG_USB_WDM=y
+CONFIG_USB_USBNET=y
+CONFIG_NET_CDCETHER=y
+#CONFIG_NET_RNDIS_HOST=y
+CONFIG_PPP=y
+CONFIG_PPP_ASYNC=y
+CONFIG_PPP_SYNC_TTY=y
+CONFIG_PPP_DEFLATE=y
+CONFIG_USB_SERIAL=y
+CONFIG_USB_SERIAL_WWAN=y
+CONFIG_USB_SERIAL_OPTION=yCONFIG_R8169=yCONFIG_VIDEO_ROCKCHIP_HDMIRX=yCONFIG_DEFAULT_HOSTNAME="localhost"
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index 3944ae6552d3..397d1946790d 100755
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -64,3 +64,4 @@ obj-y += rockchip/obj-y += lkir.oobj-y += lkir_send.oobj-y += lkes7243.o
+obj-y += lk4g_gpio.o
diff --git a/drivers/misc/lk4g_gpio.c b/drivers/misc/lk4g_gpio.c
new file mode 100755
index 000000000000..8a2f8ce1ccdf
--- /dev/null
+++ b/drivers/misc/lk4g_gpio.c
@@ -0,0 +1,198 @@
+/*^M
+ * linux/drivers/hwmon/lkencodeic.c^M
+ *^M
+ * 3-Axis Orientation/Motion Detection Sensor support^M
+ *^M
+ * Copyright (C) 2009-2010 LenKeng Ltd.^M
+ *^M
+ * This program is free software; you can redistribute it and/or modify^M
+ * it under the terms of the GNU General Public License as published by^M
+ * the Free Software Foundation; either version 2 of the License, or^M
+ * (at your option) any later version.^M
+ *^M
+ * This program is distributed in the hope that it will be useful,^M
+ * but WITHOUT ANY WARRANTY; without even the implied warranty ofdddfsafasfasfasfsafd^M
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the^M
+ * GNU General Public License for more details.^M
+ *^M
+ * You should have received a copy of the GNU General Public License^M
+ * along with this program; if not, write to the Free Software^M
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.^M
+ */^M
+^M
+#include <linux/module.h>^M
+#include <linux/slab.h>^M
+#include <linux/interrupt.h>^M
+#include <linux/irq.h>^M
+#include <linux/delay.h>^M
+#include <linux/i2c.h>^M
+#include <linux/err.h>^M
+#include <linux/input-polldev.h>^M
+#include <linux/device.h>^M
+#include <linux/uaccess.h>^M
+#include <linux/timer.h>^M
+#include <linux/timex.h>^M
+#include <linux/rtc.h>^M
+#include <linux/platform_device.h>^M
+#include <linux/miscdevice.h>^M
+//#include <linux/lkec.h>^M
+#include <linux/gpio.h>^M
+#include <linux/of_gpio.h>^M
+^M
+#include <linux/wakelock.h>^M
+^M
+#include <linux/timekeeping.h>^M
+^M
+//static struct pwm_device *pwm;^M
+^M
+typedef unsigned char uchar;^M
+typedef char schar;^M
+typedef unsigned char uint8;^M
+typedef signed char int8;^M
+typedef unsigned short uint16;^M
+typedef short int16;^M
+typedef unsigned int uint32;^M
+typedef int int32;^M
+^M
+#define GPIO_RST_HIGH _IO('k', 0)^M
+#define GPIO_RST_LOW _IO('k', 1)^M
+#define GPIO_PWR_HIGH _IO('k', 2)^M
+#define GPIO_PWR_LOW _IO('k', 3)^M
+^M
+static int gpio_pwr_4g;^M
+static int gpio_rst_4g;^M
+^M
+static long lk4g_gpio_ioctl(struct file * file, unsigned int cmd, unsigned long arg)^M
+{^M
+ switch (cmd) {^M
+ case GPIO_RST_HIGH:^M
+ gpio_direction_output(gpio_rst_4g, 1);^M
+ break;^M
+ ^M
+ case GPIO_RST_LOW:^M
+ gpio_direction_output(gpio_rst_4g, 0);^M
+ break;^M
+ ^M
+ case GPIO_PWR_HIGH:^M
+ gpio_direction_output(gpio_pwr_4g, 1);^M
+ break;^M
+ ^M
+ case GPIO_PWR_LOW:^M
+ gpio_direction_output(gpio_pwr_4g, 0);^M
+ break;^M
+ break;^M
+ }^M
+ return 0;^M
+}^M
+^M
+^M
+static struct file_operations lk4g_gpio_fops = {^M
+ .owner = THIS_MODULE,^M
+ //.open = lk4g_gpio_open,^M
+ //.release = lk4g_gpio_release,^M
+ .unlocked_ioctl = lk4g_gpio_ioctl,^M
+ //.read = lk4g_gpio_read,^M
+ //.write = lk4g_gpio_write,^M
+};^M
+^M
+static struct miscdevice lk4g_gpio_device = {^M
+ .minor = MISC_DYNAMIC_MINOR,^M
+ .name = "lk4g_gpio",^M
+ .fops = &lk4g_gpio_fops,^M
+};^M
+^M
+static int lk4g_gpio_probe(struct platform_device *pdev)^M
+{^M
+ struct device_node *np = pdev->dev.of_node;^M
+ int ret;^M
+ int err;^M
+ ^M
+ printk("====lk4g_gpio_probe==\n");^M
+^M
+ gpio_pwr_4g = of_get_named_gpio(np, "pwr_4g", 0);^M
+ if (!gpio_is_valid(gpio_pwr_4g)) {^M
+ dev_err(&pdev->dev, "invalid host gpio%d\n", gpio_pwr_4g);^M
+ } else {^M
+ err = devm_gpio_request(&pdev->dev, gpio_pwr_4g, "pwr_4g");^M
+ if (err) {^M
+ dev_err(&pdev->dev,^M
+ "failed to request GPIO%d for pwr_4g\n",^M
+ gpio_pwr_4g);^M
+ ret = err;^M
+ }^M
+ gpio_direction_output(gpio_pwr_4g, 1);^M
+ printk("====gpio_pwr_4g==\n");^M
+ }^M
+ ^M
+ gpio_rst_4g = of_get_named_gpio(np, "rst_4g", 0);^M
+ if (!gpio_is_valid(gpio_rst_4g)) {^M
+ dev_err(&pdev->dev, "invalid host gpio%d\n", gpio_rst_4g);^M
+ } else {^M
+ err = devm_gpio_request(&pdev->dev, gpio_rst_4g, "rst_4g");^M
+ if (err) {^M
+ dev_err(&pdev->dev,^M
+ "failed to request GPIO%d for rst_4g\n",^M
+ gpio_rst_4g);^M
+ ret = err;^M
+ }^M
+ gpio_direction_output(gpio_rst_4g, 1);^M
+ printk("====rst_4g==\n");^M
+ }^M
+ ret = misc_register(&lk4g_gpio_device);^M
+ if (ret) {^M
+ pr_err("lkgsv_probe: lk4g_gpio_device register failed\n");^M
+ goto misc_register_failed;^M
+ }^M
+ ^M
+ return 0;^M
+ ^M
+misc_register_failed:^M
+ misc_deregister(&lk4g_gpio_device);^M
+ return -1;^M
+}^M
+^M
+static int lk4g_gpio_remove(struct platform_device *pdev)^M
+{^M
+ misc_deregister(&lk4g_gpio_device);^M
+ return 0;^M
+}^M
+^M
+static struct of_device_id lk4g_gpio_of_match[] = {^M
+ { .compatible = "rockchip,lk4g_gpio" },^M
+ { }^M
+};^M
+^M
+static struct platform_driver lk4g_gpio_driver = {^M
+ .probe = lk4g_gpio_probe,^M
+ .remove = lk4g_gpio_remove, ^M
+ .driver = {^M
+ .name = "lk4g_gpio", ^M
+ .of_match_table = of_match_ptr(lk4g_gpio_of_match),^M
+ .owner = THIS_MODULE,^M
+ },^M
+};^M
+^M
+static int lk4g_gpio_init(void)^M
+{^M
+ int retval = 0;^M
+^M
+ retval = platform_driver_register(&lk4g_gpio_driver);^M
+ if (retval < 0) {^M
+ printk(KERN_ERR "%s retval=%d\n", __func__, retval);^M
+ return retval;^M
+ }^M
+ return 0;^M
+}^M
+^M
+static void lk4g_gpio_exit(void)^M
+{^M
+ platform_driver_unregister(&lk4g_gpio_driver);^M
+}^M
+^M
+module_init(lk4g_gpio_init); ^M
+module_exit(lk4g_gpio_exit);^M
+^M
+MODULE_AUTHOR("LenKeng,Inc.");^M
+MODULE_DESCRIPTION("lk4g_gpio driver");^M
+MODULE_LICENSE("GPL");^M
+^M
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
old mode 100644
new mode 100755
index b878f4c87fee..67bd7c27ef07
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -587,6 +587,9 @@ static void option_instat_callback(struct urb *urb);static const struct usb_device_id option_ids[] = {
+#if 1 //Added by Quectel
+ {USB_DEVICE(0x2C7C, 0x6005) },
+#endif{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) },{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) },{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_LIGHT) },
@@ -2161,6 +2164,9 @@ static struct usb_serial_driver option_1port_device = {.suspend = usb_wwan_suspend,.resume = usb_wwan_resume,#endif
+#if 1 //Added by Quectel
+ .reset_resume = usb_wwan_resume,
+#endif};static struct usb_serial_driver * const serial_drivers[] = {
@@ -2203,6 +2209,23 @@ static int option_probe(struct usb_serial *serial,if (device_flags & NUMEP2 && iface_desc->bNumEndpoints != 2)return -ENODEV;+#if 1 //Added by Quectel
+ if (serial->dev->descriptor.idVendor == cpu_to_le16(0x2C7C)) {
+ __u16 idProduct = le16_to_cpu(serial->dev->descriptor.idProduct);
+ struct usb_interface_descriptor *intf = &serial->interface->cur_altsetting->desc;
+ if (intf->bInterfaceClass != 0xFF || intf->bInterfaceSubClass == 0x42) {
+ //ECM, RNDIS, NCM, MBIM, ACM, UAC, ADB
+ return -ENODEV;
+ }
+ if ((idProduct&0xF000) == 0x0000) {
+ //MDM interface 4 is QMI
+ if (intf->bInterfaceNumber == 4 && intf->bNumEndpoints == 3
+ && intf->bInterfaceSubClass == 0xFF && intf->bInterfaceProtocol == 0xFF)
+ return -ENODEV;
+ }
+ }
+#endif
+/* Store the device flags so we can use them during attach. */usb_set_serial_data(serial, (void *)device_flags);diff --git a/drivers/usb/serial/usb_wwan.c b/drivers/usb/serial/usb_wwan.c
old mode 100644
new mode 100755
index b2285d5a869d..33826cdcedb3
--- a/drivers/usb/serial/usb_wwan.c
+++ b/drivers/usb/serial/usb_wwan.c
@@ -476,6 +476,13 @@ static struct urb *usb_wwan_setup_urb(struct usb_serial_port *port,usb_fill_bulk_urb(urb, serial->dev,usb_sndbulkpipe(serial->dev, endpoint) | dir,buf, len, callback, ctx);
+ #if 1 //Added by Quectel for zero packet
+ if (dir == USB_DIR_OUT) {
+ struct usb_device_descriptor *desc = &serial->dev->descriptor;
+ if (desc->idVendor == cpu_to_le16(0x2C7C))
+ urb->transfer_flags |= URB_ZERO_PACKET;
+ }
+ #endifif (intfdata->use_zlp && dir == USB_DIR_OUT)urb->transfer_flags |= URB_ZERO_PACKET;2、配置网卡接口类型
EC200A只有这两种拨号方式，LINUX系统自带都支持
echo "AT+QCFG=\"usbnet\",1" > /dev/ttyUSB23、拨号
echo -en "AT+QNETDEVCTL=1,1,1\r\n" > /dev/ttyUSB2最后可以ping'百度成功，就代表拨号成功
4、调试命令
[root@RK3588:/]# lsusb
Bus 005 Device 001: ID 1d6b:0002
Bus 003 Device 001: ID 1d6b:0001
Bus 001 Device 001: ID 1d6b:0002
Bus 001 Device 003: ID 2c7c:6005
Bus 006 Device 001: ID 1d6b:0003
Bus 001 Device 002: ID 1a86:8092
Bus 004 Device 001: ID 1d6b:0001
Bus 002 Device 001: ID 1d6b:0002
[root@RK3588:/]# ls -ll /dev/ttyUSB
ls: cannot access '/dev/ttyUSB': No such file or directory
[root@RK3588:/]# ls -ll /dev/ttyUSB*
crw-rw---- 1 root dialout 188, 0 Jan 1 00:00 /dev/ttyUSB0
crw-rw---- 1 root dialout 188, 1 Jan 1 00:00 /dev/ttyUSB1
crw-rw---- 1 root dialout 188, 2 Jan 1 00:00 /dev/ttyUSB2