cdns_rts_gpio_enable(9)

💅 cdns_rts_gpio_enable — a kernel API manual, bestie edition 🎀

okay so this is cdns_rts_gpio_enable(9), straight out of the Kernel API Manual, and it is literally the little function that sets your RTS/GPIO line high or low. tiny, iconic, does exactly one thing. we love a focused queen 👑

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✨ NAME ✨

cdns_rts_gpio_enable — Configure RTS/GPIO to high/low 🎚️

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🌸 SYNOPSIS 🌸

void cdns_rts_gpio_enable (struct cdns_uart *cdns_uart , bool enable );

no cap, that's the whole signature. she's void, she returns nothing, she just goes and does the thing 💅

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🦋 ARGUMENTS 🦋

• cdns_uart — Handle to the cdns_uart. like, your ticket to the whole UART situation, you hand her this so she knows which one we're talking about 🫶
• enable — Value to be set to RTS/GPIO. a bool, so it's giving high/low, on/off, true/false. pick a lane bestie ✨

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👑 SEE ALSO 👑

the kernel file ./drivers/tty/serial/xilinx_uartps.c and struct cdns_uart(9), plus the whole friend group:

• cdns_uart_handle_rx(9)
• cdns_rs485_tx_setup(9)
• cdns_rs485_rx_setup(9)
• cdns_uart_tx_empty(9)
• cdns_rs485_rx_callback(9)
• cdns_calc_after_tx_delay(9)
• cdns_uart_handle_tx(9)
• cdns_uart_isr(9)
• cdns_uart_calc_baud_divs(9)
• cdns_uart_set_baud_rate(9)
• cdns_uart_clk_notifier_cb(9)
• cdns_rs485_tx_callback(9)
• cdns_uart_start_tx(9)
• cdns_uart_stop_tx(9)
• cdns_uart_stop_rx(9)
• cdns_uart_break_ctl(9)
• cdns_uart_set_termios(9)
• cdns_uart_startup(9)
• cdns_uart_shutdown(9)
• cdns_uart_type(9)
• cdns_uart_verify_port(9)
• cdns_uart_request_port(9)
• cdns_uart_release_port(9)
• cdns_uart_config_port(9)
• cdns_uart_get_mctrl(9)
• cdns_uart_console_putchar(9)
• cdns_uart_console_write(9)
• cdns_uart_console_setup(9)
• cdns_uart_suspend(9)
• cdns_uart_resume(9)
• cdns_rs485_config(9)
• cdns_uart_probe(9)
• cdns_uart_remove(9)

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and that's the whole page, bestie, go read the other 34, iykyk 🔥

kisses and good vibes from the ./drivers/tty/serial directory, dated October 2026 💜✨ mwah 🫶