6520633a90
Add Bouffalo Lab pinctrl driver. Signed-off-by: Gerson Fernando Budke <nandojve@gmail.com>
46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
/*
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* Copyright (c) 2021-2025 Gerson Fernando Budke <nandojve@gmail.com>
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/kernel.h>
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#include <zephyr/drivers/pinctrl.h>
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#include <bflb_pinctrl.h>
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#include <bflb_glb.h>
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#include <bflb_gpio.h>
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/* clang-format off */
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int pinctrl_configure_pins(const pinctrl_soc_pin_t *pins, uint8_t pin_cnt,
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uintptr_t reg)
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{
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GLB_GPIO_Cfg_Type pincfg;
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uint8_t i;
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ARG_UNUSED(reg);
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for (i = 0U; i < pin_cnt; i++) {
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pincfg.gpioFun = BFLB_PINMUX_GET_FUN(pins[i]);
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pincfg.gpioMode = BFLB_PINMUX_GET_MODE(pins[i]);
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pincfg.gpioPin = BFLB_PINMUX_GET_PIN(pins[i]);
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pincfg.pullType = BFLB_PINMUX_GET_PULL_MODES(pins[i]);
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pincfg.smtCtrl = BFLB_PINMUX_GET_SMT(pins[i]);
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pincfg.drive = BFLB_PINMUX_GET_DRIVER_STRENGTH(pins[i]);
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if (pincfg.gpioFun == BFLB_PINMUX_FUN_INST_uart0) {
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GLB_UART_Fun_Sel(pincfg.gpioPin % 8,
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(BFLB_PINMUX_GET_INST(pins[i]))
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* 0x4U /* rts, cts, rx, tx */
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+ BFLB_PINMUX_GET_SIGNAL(pins[i])
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);
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}
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GLB_GPIO_Init(&pincfg);
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}
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return 0;
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}
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/* clang-format on */
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