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/linux-5.10/Documentation/devicetree/bindings/serial/
Drenesas,em-uart.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: "http://devicetree.org/schemas/serial/renesas,em-uart.yaml#"
5 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
7 title: Renesas EMMA Mobile UART Interface
10 - Magnus Damm <magnus.damm@gmail.com>
13 - $ref: serial.yaml#
17 const: renesas,em-uart
28 clock-names:
32 - compatible
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/linux-5.10/arch/arm/boot/dts/
Demev2.dtsi1 // SPDX-License-Identifier: GPL-2.0
8 #include <dt-bindings/interrupt-controller/arm-gic.h>
9 #include <dt-bindings/interrupt-controller/irq.h>
13 interrupt-parent = <&gic>;
14 #address-cells = <1>;
15 #size-cells = <1>;
28 #address-cells = <1>;
29 #size-cells = <0>;
33 compatible = "arm,cortex-a9";
35 clock-frequency = <533000000>;
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/linux-5.10/drivers/tty/serial/8250/
D8250_em.c1 // SPDX-License-Identifier: GPL-2.0
32 writeb(value, p->membase); in serial8250_em_serial_out()
38 writel(value, p->membase + ((offset + 1) << 2)); in serial8250_em_serial_out()
41 value &= 0x0f; /* only 4 valid bits - not Xscale */ in serial8250_em_serial_out()
45 writel(value, p->membase + (offset << 2)); in serial8250_em_serial_out()
53 return readb(p->membase); in serial8250_em_serial_in()
58 return readl(p->membase + ((offset + 1) << 2)); in serial8250_em_serial_in()
63 return readl(p->membase + (offset << 2)); in serial8250_em_serial_in()
92 dev_err(&pdev->dev, "missing registers\n"); in serial8250_em_probe()
93 return -EINVAL; in serial8250_em_probe()
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/linux-5.10/Documentation/devicetree/bindings/clock/
Drenesas,emev2-smu.txt10 - compatible: Should be "renesas,emev2-smu"
11 - reg: Address and Size of SMU registers
21 - compatible: Should be "renesas,emev2-smu-clkdiv"
22 - reg: Byte offset from SMU base and Bit position in the register
23 - clocks: Parent clocks. Input clocks as described in clock-bindings.txt
24 - #clock-cells: Should be <0>
32 - compatible: Should be "renesas,emev2-smu-gclk"
33 - reg: Byte offset from SMU base and Bit position in the register
34 - clocks: Input clock as described in clock-bindings.txt
35 - #clock-cells: Should be <0>
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/linux-5.10/drivers/usb/serial/
Dftdi_sio_ids.h1 /* SPDX-License-Identifier: GPL-2.0 */
6 * Philipp Gühring - pg@futureware.at - added the Device ID of the USB relais
25 #define FTDI_4232H_PID 0x6011 /* Quad channel hi-speed device */
26 #define FTDI_232H_PID 0x6014 /* Single channel hi-speed device */
27 #define FTDI_FTX_PID 0x6015 /* FT-X series (FT201X, FT230X, FT231X, etc) */
32 /*** third-party PIDs (using FTDI_VID) ***/
57 * http://www.open-rd.org
87 /* FTDI 2332C Dual channel device, side A=245 FIFO (JTAG), Side B=RS232 UART */
92 #define FTDI_TURTELIZER_PID 0xBDC8 /* JTAG/RS-232 adapter by egnite GmbH */
103 #define FTDI_NZR_SEM_USB_PID 0xC1E0 /* NZR SEM-LOG16+ */
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/linux-5.10/drivers/tty/serial/
Dzs.c1 // SPDX-License-Identifier: GPL-2.0
9 * Copyright (C) 1998-2000 Harald Koerfgen
20 * DIN-7 MJ-4 signal SCC
21 * 2 1 TxD <- A.TxD
22 * 3 4 RxD -> A.RxD
24 * EIA-232/EIA-423:
25 * DB-25 MMJ-6 signal SCC
26 * 2 2 TxD <- B.TxD
27 * 3 5 RxD -> B.RxD
28 * 4 RTS <- ~A.RTS
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