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1/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
2/*
3 * On-board switches for the Renesas RZ/G3S SMARC Module and RZ SMARC Carrier II
4 * boards.
5 *
6 * Copyright (C) 2024 Renesas Electronics Corp.
7 */
8
9#ifndef __RZG3S_SMARC_SWITCHES_H__
10#define __RZG3S_SMARC_SWITCHES_H__
11
12/*
13 * On-board switches' states:
14 * @SW_OFF: switch's state is OFF
15 * @SW_ON: switch's state is ON
16 */
17#define SW_OFF 0
18#define SW_ON 1
19
20/*
21 * SW_CONFIG[x] switches' states:
22 * @SW_CONFIG2:
23 * SW_OFF - SD0 is connected to eMMC
24 * SW_ON - SD0 is connected to uSD0 card
25 * @SW_CONFIG3:
26 * SW_OFF - SD2 is connected to SoC
27 * SW_ON - SCIF1, SSI0, IRQ0, IRQ1 connected to SoC
28 */
29#define SW_CONFIG2 SW_OFF
30#define SW_CONFIG3 SW_ON
31
32/*
33 * SW_OPT_MUX[x] switches' states:
34 * @SW_OPT_MUX4:
35 * SW_OFF - The SMARC SER0 signals are routed to M.2 Key E UART
36 * SW_ON - The SMARC SER0 signals are routed to PMOD1
37 */
38#define SW_OPT_MUX4 SW_ON
39
40#endif /* __RZG3S_SMARC_SWITCHES_H__ */
41

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source code of linux/arch/arm64/boot/dts/renesas/rzg3s-smarc-switches.h