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/OK3568_Linux_fs/u-boot/drivers/serial/
H A DKconfig12 meaning of either setting the baudrate for the early debug UART
32 In very space-constrained devices even the full UART driver is too
33 large. In this case the debug UART can still be used in some cases.
34 This option enables the full UART in U-Boot, so if is it disabled,
35 the full UART driver will be omitted, thus saving space.
42 In very space-constrained devices even the full UART driver is too
43 large. In this case the debug UART can still be used in some cases.
44 This option enables the full UART in SPL, so if is it disabled,
45 the full UART driver will be omitted, thus saving space.
48 int "UART used for console"
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H A Dserial_pxa.c178 #define pxa_uart(uart, UART) \ argument
181 return pxa_init_dev(UART##_INDEX); \
186 return pxa_setbrg_dev(UART##_INDEX); \
191 return pxa_putc_dev(UART##_INDEX, c); \
196 return pxa_puts_dev(UART##_INDEX, s); \
201 return pxa_getc_dev(UART##_INDEX); \
206 return pxa_tstc_dev(UART##_INDEX); \
222 #define pxa_uart_multi(uart, UART) \ argument
223 pxa_uart(uart, UART) \
/OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/serial/
H A Dmvebu-uart.txt1 * Marvell UART : Non standard UART used in some of Marvell EBU SoCs
6 - "marvell,armada-3700-uart" for the standard variant of the UART
10 UART (128 bytes FIFO, DMA, front interrupts, 8-bit or 32-bit
13 - clocks: UART reference clock used to derive the baudrate. If no clock
21 respectively the UART sum interrupt, the UART TX interrupt and
22 UART RX interrupt. A corresponding interrupt-names property must
26 respectively the UART TX interrupt and the UART RX interrupt. A
30 containing only the UART sum interrupt. This form is deprecated
H A Dcirrus,clps711x-uart.txt1 * Cirrus Logic CLPS711X Universal Asynchronous Receiver/Transmitter (UART)
6 - interrupts: Should contain UART TX and RX interrupt.
7 - clocks: Should contain UART core clock number.
8 - syscon: Phandle to SYSCON node, which contain UART control bits.
14 Note: Each UART port should have an alias correctly numbered
H A Dnvidia,tegra20-hsuart.txt1 NVIDIA Tegra20/Tegra30 high speed (DMA based) UART controller driver.
10 - reg: Should contain UART controller registers location and length.
11 - interrupts: Should contain UART controller interrupts.
26 only if all 8 lines of UART controller are pinmuxed.
37 Standard UART devices are expected to have tolerance for baud rate error by
39 Tegra186 chip has a known hardware issue. UART Rx baud rate tolerance level
52 This slight deviation is expcted and Tegra UART is expected to handle it. Due
53 to the issue stated above, baud rate on Tegra UART should be set equal to or
H A Dnvidia,tegra194-tcu.txt1 NVIDIA Tegra Combined UART (TCU)
3 The TCU is a system for sharing a hardware UART instance among multiple
5 based protocol where each "virtual UART" has a pair of mailboxes, one
16 "rx" - Mailbox for receiving data from hardware UART
17 "tx" - Mailbox for transmitting data to hardware UART
H A Darc-uart.txt1 * Synopsys ARC UART : Non standard UART used in some of the ARC FPGA boards
7 - clock-frequency : the input clock frequency for the UART
8 - current-speed : baud rate for UART
H A Dqcom,msm-uart.txt1 * MSM Serial UART
3 The MSM serial UART hardware is designed for low-speed use cases where a
10 - reg: Should contain UART register location and length.
11 - interrupts: Should contain UART interrupt.
H A Dcdns,uart.txt1 Binding for Cadence UART Controller
7 - reg: Should contain UART controller registers location and length.
8 - interrupts: Should contain UART controller interrupts.
9 - clocks: Must contain phandles to the UART clocks
H A Darm,mps2-uart.txt1 ARM MPS2 UART
6 - interrupts : Reference to the UART RX, TX and overrun interrupts
9 - clocks : The input clock of the UART
/OK3568_Linux_fs/kernel/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()
/OK3568_Linux_fs/u-boot/board/congatec/conga-qeval20-qa3-e3845/
H A DREADME2 U-Boot console UART selection:
6 configurations (defconfig files). The only difference is the UART that
7 is used as the U-Boot console UART. The default defconfig file:
13 board (conga-QEVAL). This UART is the one provided with a SubD9
18 provides the U-Boot console on the BayTrail internal legacy UART,
21 RS232 level shifters. So a TTL-USB UART adapter does not work in
23 RS232 level signals of the PC UART via some adapter cable.
/OK3568_Linux_fs/kernel/arch/arm/
H A DKconfig.debug112 UART definition, as specified below. Attempting to boot the kernel
129 bool "Kernel low-level debugging via asm9260 UART"
133 their output to an UART or USART port on asm9260 based
195 bool "Kernel low-level debugging on BCM2835 PL011 UART"
200 bool "Kernel low-level debugging on BCM2836 PL011 UART"
223 bool "Kernel low-level debugging messages via BCM KONA UART"
234 bool "Kernel low-level debugging on BCM63XX UART"
238 bool "Marvell Berlin SoC Debug UART"
246 bool "Use BRCMSTB UART for low-level debug"
251 UART physical and virtual address is automatically provided
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/OK3568_Linux_fs/u-boot/arch/arm/
H A DKconfig.debug16 bool "Low-level debugging via 8250 UART"
19 their output to an 8250 UART. You can use this option
20 to provide the parameters for the 8250 UART rather than
41 hex "Physical base address of debug UART"
51 int "Register offset shift for the 8250 debug UART"
56 bool "Use 32-bit accesses for 8250 UART"
61 bool "Enable flow control for 8250 UART"
/OK3568_Linux_fs/kernel/arch/arm64/boot/dts/ti/
H A Dk3-j7200-common-proc-board.dts81 /* Wakeup UART is used by System firmware */
91 /* MAIN UART 2 is used by R5F firmware */
96 /* UART not brought out */
101 /* UART not brought out */
106 /* UART not brought out */
111 /* UART not brought out */
116 /* UART not brought out */
121 /* UART not brought out */
126 /* UART not brought out */
/OK3568_Linux_fs/kernel/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?
/OK3568_Linux_fs/kernel/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
/OK3568_Linux_fs/kernel/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.
/OK3568_Linux_fs/kernel/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
143 Say Y here if you wish to use an on-chip UART on a Atmel
178 Say Y if you have an external 8250/16C550 UART. If unsure, say N.
213 Say Y here if you wish to use a Amlogic MesonX UART as the
259 Select the number of available UART ports for the Samsung S3C
283 Support for the on-chip UART on the CSR SiRFprimaII series,
312 tristate "NVIDIA Tegra Combined UART"
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/OK3568_Linux_fs/kernel/drivers/bluetooth/
H A DKconfig89 tristate "HCI UART driver"
94 Bluetooth HCI UART driver.
97 UART based Bluetooth PCMCIA and CF devices like Xircom Credit Card
100 Say Y here to compile support for Bluetooth UART devices into the
109 bool "UART (H4) protocol support"
112 UART (H4) is serial protocol for communication between Bluetooth
114 with UART interface, including PCMCIA and CF cards.
116 Say Y here to compile support for HCI UART (H4) protocol.
119 tristate "UART Nokia H4+ protocol support"
129 with UART interface in Nokia devices.
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/OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/net/
H A Dqca,qca7000.txt4 be configured either as SPI or UART slave. This configuration is done by
58 (b) Ethernet over UART
60 In order to use the QCA7000 as UART slave it must be defined as a child of a
61 UART master in the device tree. It is possible to preconfigure the UART
73 UART Example:
75 /* Freescale i.MX28 UART */
H A Dmediatek-bluetooth.txt37 MediaTek UART based Bluetooth Devices
40 This device is a serial attached device to UART device and thus it must be a
41 child node of the serial node with UART.
58 - pinctrl-0: Should contain UART RXD low when the device is powered up to
60 - pinctrl-1: Should contain UART mode pin ctrl
66 - boot-gpios: GPIO same to the pin as UART RXD and used to keep LOW when
69 - pinctrl-0: Should contain UART mode pin ctrl
/OK3568_Linux_fs/external/rkwifibt/drivers/bluetooth_uart_driver/
H A DKconfig28 tristate "HCI UART driver"
30 Bluetooth HCI UART driver.
33 UART based Bluetooth PCMCIA and CF devices like Xircom Credit Card
36 Say Y here to compile support for Bluetooth UART devices into the
40 bool "UART (H4) protocol support"
43 UART (H4) is serial protocol for communication between Bluetooth
45 with UART interface, including PCMCIA and CF cards.
47 Say Y here to compile support for HCI UART (H4) protocol.
159 tristate "HCI UART (PC Card) device driver"
162 Bluetooth HCI UART (PC Card) driver.
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/OK3568_Linux_fs/u-boot/doc/device-tree-bindings/serial/
H A D8250.txt1 * UART (Universal Asynchronous Receiver/Transmitter)
26 - clock-frequency : the input clock frequency for the UART
32 - current-speed : the current active speed of the UART.
37 accesses to the UART (e.g. TI davinci).
42 - fifo-size: the fifo size of the UART.

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