diff options
Diffstat (limited to 'arch/arm64/boot/dts/renesas/rzg3s-smarc-switches.h')
| -rw-r--r-- | arch/arm64/boot/dts/renesas/rzg3s-smarc-switches.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/rzg3s-smarc-switches.h b/arch/arm64/boot/dts/renesas/rzg3s-smarc-switches.h new file mode 100644 index 000000000000..bbf908a5322c --- /dev/null +++ b/arch/arm64/boot/dts/renesas/rzg3s-smarc-switches.h @@ -0,0 +1,40 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ +/* + * On-board switches for the Renesas RZ/G3S SMARC Module and RZ SMARC Carrier II + * boards. + * + * Copyright (C) 2024 Renesas Electronics Corp. + */ + +#ifndef __RZG3S_SMARC_SWITCHES_H__ +#define __RZG3S_SMARC_SWITCHES_H__ + +/* + * On-board switches' states: + * @SW_OFF: switch's state is OFF + * @SW_ON: switch's state is ON + */ +#define SW_OFF 0 +#define SW_ON 1 + +/* + * SW_CONFIG[x] switches' states: + * @SW_CONFIG2: + * SW_OFF - SD0 is connected to eMMC + * SW_ON - SD0 is connected to uSD0 card + * @SW_CONFIG3: + * SW_OFF - SD2 is connected to SoC + * SW_ON - SCIF1, SSI0, IRQ0, IRQ1 connected to SoC + */ +#define SW_CONFIG2 SW_OFF +#define SW_CONFIG3 SW_ON + +/* + * SW_OPT_MUX[x] switches' states: + * @SW_OPT_MUX4: + * SW_OFF - The SMARC SER0 signals are routed to M.2 Key E UART + * SW_ON - The SMARC SER0 signals are routed to PMOD1 + */ +#define SW_OPT_MUX4 SW_ON + +#endif /* __RZG3S_SMARC_SWITCHES_H__ */ |