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Searched refs:UART (Results 1 – 25 of 265) sorted by relevance

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/linux/arch/arm/mach-sa1100/include/mach/
H A Duncompress.h21 #define UART(x) (*(volatile unsigned long *)(serial_port + (x))) macro
29 if (UART(UTCR3) & UTCR3_TXE) break; in putc()
31 if (UART(UTCR3) & UTCR3_TXE) break; in putc()
33 if (UART(UTCR3) & UTCR3_TXE) break; in putc()
38 while (!(UART(UTSR1) & UTSR1_TNF)) in putc()
42 UART(UTDR) = c; in putc()
/linux/arch/arm/
H A DKconfig.debug120 UART definition, as specified below. Attempting to boot the kernel
137 bool "Kernel low-level debugging via asm9260 UART"
141 their output to an UART or USART port on asm9260 based
231 bool "Kernel low-level debugging on BCM2835 PL011 UART"
236 bool "Kernel low-level debugging on BCM2836 PL011 UART"
263 bool "Kernel low-level debugging messages via BCM KONA UART"
274 bool "Kernel low-level debugging on BCM63XX UART"
278 bool "Marvell Berlin SoC Debug UART"
286 bool "Use BRCMSTB UART for low-level debug"
291 UART physical and virtual address is automatically provided
[all …]
/linux/arch/arm/include/debug/
H A Dtegra.S85 cmp \rv, #2 @ 2 and 3 mean DCC, UART
89 11: lsr \rv, \rp, #15 @ 17:15 are UART ID
91 cmp \rv, #0 @ UART 0?
93 cmp \rv, #1 @ UART 1?
95 cmp \rv, #2 @ UART 2?
97 cmp \rv, #3 @ UART 3?
99 cmp \rv, #4 @ UART 4?
141 cmp \rp, #0 @ Valid UART address?
H A Dvexpress.S27 @ should use UART at 0x10009000
28 @ - all other (RS1 complaint) tiles use UART mapped
/linux/Documentation/w1/masters/
H A Dw1-uart.rst13 UART 1-Wire bus driver. The driver utilizes the UART interface via the
15 the document `"Using a UART to Implement a 1-Wire Bus Master"`_.
17 .. _"Using a UART to Implement a 1-Wire Bus Master": https://www.analog.com/en/technical-articles/u…
19 In short, the UART peripheral must support full-duplex and operate in
26 UART (least significant bit first, start-bit low) sets the reset low time
45 Specify the UART 1-wire bus in the device tree by adding the single child
/linux/Documentation/ABI/testing/
H A Dsysfs-platform-kim6 Name of the UART device at which the WL128x chip
21 UART configurations, so the baud-rate needs to be set
32 entry most often should be 1, the host's UART is required
42 use of the shared UART transport, it registers to the shared
46 daemon managing the UART, and is notified about the change
47 by the sysfs_notify. The value would be '1' when UART needs
48 to be opened/ldisc installed, and would be '0' when UART
H A Dsysfs-bus-i2c-devices-fsa948010 UART UART is attached
23 UART switch to UART path
/linux/Documentation/devicetree/bindings/net/bluetooth/
H A Dmediatek,bluetooth.txt1 MediaTek UART based Bluetooth Devices
4 This device is a serial attached device to UART device and thus it must be a
5 child node of the serial node with UART.
22 - pinctrl-0: Should contain UART RXD low when the device is powered up to
24 - pinctrl-1: Should contain UART mode pin ctrl
30 - boot-gpios: GPIO same to the pin as UART RXD and used to keep LOW when
33 - pinctrl-0: Should contain UART mode pin ctrl
H A Dnokia,h4p-bluetooth.txt4 Nokia phones often come with UART connected bluetooth chips from different
8 UART status lines for wakeup of UART transceivers to improve power management
/linux/drivers/tty/serial/
H A DKconfig26 This selects the ARM(R) AMBA(R) PrimeCell PL010 UART. If you have
37 Say Y here if you wish to use an AMBA PrimeCell UART as the system
53 This selects the ARM(R) AMBA(R) PrimeCell PL011 UART. If you have
65 Say Y here if you wish to use an AMBA PrimeCell UART as the system
145 Say Y here if you wish to use an on-chip UART on a Atmel
180 Say Y if you have an external 8250/16C550 UART. If unsure, say N.
196 Say Y here if you wish to use a Amlogic MesonX UART as the
237 Select the number of available UART ports for the Samsung S3C
268 tristate "NVIDIA Tegra Combined UART"
273 Support for the mailbox-based TCU (Tegra Combined UART) serial port.
[all …]
/linux/tools/arch/x86/dell-uart-backlight-emulator/
H A DREADME1 Emulator for DELL0501 UART attached backlight controller
5 board connected to an UART.
12 With the DELL0501 indicating that we are dealing with an UART with
20 1. A (desktop) PC with a 16550 UART on the motherboard and a standard DB9
21 connector connected to this UART.
25 4. A DSDT overlay for the desktop PC replacing the _HID of the 16550 UART
/linux/Documentation/devicetree/bindings/soc/fsl/cpm_qe/qe/
H A Ducc.txt15 - port-number : for UART drivers, the port number to use, between 0 and 3.
18 CPM UART driver, the port-number is required for the QE UART driver.
19 - soft-uart : for UART drivers, if specified this means the QE UART device
20 driver should use "Soft-UART" mode, which is needed on some SOCs that have
21 broken UART hardware. Soft-UART is provided via a microcode upload.
/linux/drivers/pinctrl/
H A Dpinctrl-th1520.c183 TH1520_PAD(17, AOGPIO_8, UART, AUD, IR, GPIO, ____, ____, 0),
184 TH1520_PAD(18, AOGPIO_9, UART, AUD, IR, GPIO, ____, ____, 0),
220 TH1520_PAD(4, QSPI1_D2_WP, QSPI, ISO, UART, GPIO, FUSE, ____, 0),
221 TH1520_PAD(5, QSPI1_D3_HOLD, QSPI, ISO, UART, GPIO, ____, ____, 0),
226 TH1520_PAD(10, UART1_TXD, UART, ____, ____, GPIO, ____, ____, 0),
227 TH1520_PAD(11, UART1_RXD, UART, ____, ____, GPIO, ____, ____, 0),
228 TH1520_PAD(12, UART4_TXD, UART, ____, ____, GPIO, ____, ____, 0),
229 TH1520_PAD(13, UART4_RXD, UART, ____, ____, GPIO, ____, ____, 0),
230 TH1520_PAD(14, UART4_CTSN, UART, ____, ____, GPIO, ____, ____, 0),
231 TH1520_PAD(15, UART4_RTSN, UART, ____, ____, GPIO, ____, ____, 0),
[all …]
/linux/drivers/bluetooth/
H A DKconfig105 tristate "HCI UART driver"
111 Bluetooth HCI UART driver.
114 UART based Bluetooth PCMCIA and CF devices like Xircom Credit Card
117 Say Y here to compile support for Bluetooth UART devices into the
126 bool "UART (H4) protocol support"
129 UART (H4) is serial protocol for communication between Bluetooth
131 with UART interface, including PCMCIA and CF cards.
133 Say Y here to compile support for HCI UART (H4) protocol.
136 tristate "UART Nokia H4+ protocol support"
146 with UART interface in Nokia devices.
[all …]
/linux/arch/mips/
H A DKconfig.debug102 int "UART to use for compressed kernel debugging"
107 Specify the UART that should be used for compressed kernel debugging.
127 bool "CPS SMP NS16550 UART output"
130 Output debug information via an ns16550 compatible UART if exceptions
139 hex "UART Base Address"
143 The base address of the ns16550 compatible UART on which to output
149 int "UART Register Shift"
157 int "UART Register Width"
160 ns16550 registers width. UART registers IO access methods will be
162 4 UART registers will be accessed by means of lb/sb, lh/sh or lw/sw
/linux/arch/arm/boot/dts/marvell/
H A Dkirkwood-openrd.dtsi61 * mode for the second UART.
66 * To use the second UART, you need to change also
78 * SelUARTorSD selects between the second UART
81 * Low: UART
/linux/drivers/nfc/nfcmrvl/
H A DKconfig24 tristate "Marvell NFC-over-UART driver"
28 Marvell NFC-over-UART driver.
30 This driver provides support for Marvell NFC-over-UART devices
32 Say Y here to compile support for Marvell NFC-over-UART driver
/linux/arch/arm64/boot/dts/amlogic/
H A Dmeson-gxl-s905x-khadas-vim.dts154 gpio-line-names = "UART TX",
155 "UART RX",
201 "Bluetooth UART TX", "Bluetooth UART RX",
202 "Bluetooth UART CTS", "Bluetooth UART RTS",
/linux/drivers/tty/serial/8250/
H A DKconfig61 capabilities of the Fintek F81216A LPC to 4 UART as well similar
110 bool "DMA support for 16550 compatible UART controllers" if EXPERT
115 compatible UART controllers that support DMA signaling.
164 tristate "MEN MCB UART device support"
286 tristate "Support Exar ST16C554/554D Quad UART"
289 The Uplogix Envoy TU301 uses this Exar Quad UART. If you are
290 tinkering with your Envoy TU301, or have a machine with this UART,
316 tristate "Aspeed Virtual UART"
323 If you want to use the virtual UART (VUART) device on Aspeed
325 compatible device on the local LPC bus, giving a UART device
[all …]
/linux/drivers/nfc/s3fwrn5/
H A DKconfig24 tristate "Samsung S3FWRN82 UART support"
28 This module adds support for a UART interface to the S3FWRN82 chip.
29 Select this if your platform is using the UART bus.
/linux/drivers/nfc/pn533/
H A DKconfig31 tristate "NFC PN532 device support (UART)"
35 This module adds support for the NXP pn532 UART interface.
36 Select this if your platform is using the UART bus.
/linux/Documentation/power/
H A Dshutdown-debugging.rst11 On systems that have a UART available, it is best to configure the kernel to use
12 this UART for kernel console output.
14 If a UART isn't available, the ``pstore`` subsystem provides a mechanism to
/linux/arch/arm64/boot/dts/freescale/
H A Dimx8mp-dhcom-drc02.dts80 * GPIO line, however the i.MX8 UART driver assumes RX happens
164 /* Console UART */
184 * DHCOM UART1 RTS/CTS pins. Therefore this UART have to use DHCOM GPIOs
196 * On DRC02 this UART is used as RS485 interface and RS485_TX_En is
198 * uart-has-rtscts from this UART and add the DHCOM GPIO P pin via
/linux/drivers/iio/imu/bno055/
H A DKconfig9 tristate "Bosch BNO055 attached via UART"
14 Enable this to support Bosch BNO055 IMUs attached via UART.
/linux/arch/arm/boot/dts/nxp/imx/
H A Dimx6qdl-dhcom-drc02.dtsi26 * GPIO line, however the i.MX6 UART driver assumes RX happens
73 * DHCOM UART1 rts/cts pins. Therefore this UART have to use DHCOM GPIOs
85 * On DRC02 this UART is used as RS485 interface and RS485_TX_En is
87 * uart-has-rtscts from this UART and add the DHCOM GPIO P pin via

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