[PATCH 6/7] USB: serial: xr: add support for XR2280X devices
From: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Date: 2021-02-26 13:30:59
Also in:
lkml
Subsystem:
the rest, usb serial subsystem, usb subsystem · Maintainers:
Linus Torvalds, Johan Hovold, Greg Kroah-Hartman
There's nothing special on those devices either. They just use a different set of registers. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> --- drivers/usb/serial/xr_serial.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+)
diff --git a/drivers/usb/serial/xr_serial.c b/drivers/usb/serial/xr_serial.c
index 78722502da63..63a45a2451f9 100644
--- a/drivers/usb/serial/xr_serial.c
+++ b/drivers/usb/serial/xr_serial.c@@ -99,6 +99,7 @@ struct xr_txrx_clk_mask { #define VIA_CDC_REGISTER -1 enum xr_model { + XR2280X, XR21B1411, XR21V141X, XR21B142X,
@@ -133,6 +134,30 @@ enum xr_hal_type { }; static const int xr_hal_table[MAX_XR_MODELS][MAX_XR_HAL_TYPE] = { + [XR2280X] = { + [REG_ENABLE] = 0x40, + [REG_FORMAT] = 0x45, + [REG_FLOW_CTRL] = 0x46, + [REG_XON_CHAR] = 0x47, + [REG_XOFF_CHAR] = 0x48, + [REG_TX_BREAK] = 0x4a, + [REG_RS485_DELAY] = 0x4b, + [REG_GPIO_MODE] = 0x4c, + [REG_GPIO_DIR] = 0x4d, + [REG_GPIO_SET] = 0x4e, + [REG_GPIO_CLR] = 0x4f, + [REG_GPIO_STATUS] = 0x50, + [REG_GPIO_INT_MASK] = 0x51, + [REG_CUSTOMIZED_INT] = 0x52, + [REG_GPIO_PULL_UP_ENABLE] = 0x54, + [REG_GPIO_PULL_DOWN_ENABLE] = 0x55, + [REG_LOOPBACK] = 0x56, + [REG_LOW_LATENCY] = 0x66, + [REG_CUSTOM_DRIVER] = 0x81, + + [REQ_SET] = 5, + [REQ_GET] = 5, + }, [XR21B1411] = { [REG_ENABLE] = 0xc00, [REG_FORMAT] = VIA_CDC_REGISTER,
@@ -215,6 +240,7 @@ static int xr_set_reg(struct usb_serial_port *port, u8 block, u8 reg, u8 val) int ret; switch (port_priv->model) { + case XR2280X: case XR21B1411: break; case XR21V141X:
@@ -253,6 +279,7 @@ static int xr_get_reg(struct usb_serial_port *port, u8 block, u8 reg, u8 *val) return -ENOMEM; switch (port_priv->model) { + case XR2280X: case XR21B1411: break; case XR21V141X:
@@ -902,6 +929,11 @@ static void xr_disconnect(struct usb_serial *serial) } static const struct usb_device_id id_table[] = { + { USB_DEVICE(0x04e2, 0x1400), .driver_info = XR2280X}, + { USB_DEVICE(0x04e2, 0x1401), .driver_info = XR2280X}, + { USB_DEVICE(0x04e2, 0x1402), .driver_info = XR2280X}, + { USB_DEVICE(0x04e2, 0x1403), .driver_info = XR2280X}, + { USB_DEVICE(0x04e2, 0x1410), .driver_info = XR21V141X}, { USB_DEVICE(0x04e2, 0x1411), .driver_info = XR21B1411}, { USB_DEVICE(0x04e2, 0x1412), .driver_info = XR21V141X},
--
2.29.2