49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
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/*
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* Copyright (c) 2022 NXP
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#define DT_DRV_COMPAT nxp_mcux_rt_pinctrl
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#include <drivers/pinctrl.h>
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#include <soc.h>
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#include <fsl_iomuxc.h>
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#include <fsl_gpio.h>
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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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/* configure all pins */
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for (uint8_t i = 0U; i < pin_cnt; i++) {
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uint32_t mux_register = pins[i].pinmux.mux_register;
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uint32_t mux_mode = pins[i].pinmux.mux_mode;
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uint32_t input_register = pins[i].pinmux.input_register;
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uint32_t input_daisy = pins[i].pinmux.input_daisy;
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uint32_t config_register = pins[i].pinmux.config_register;
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uint32_t pin_ctrl_flags = pins[i].pin_ctrl_flags;
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IOMUXC_SetPinMux(mux_register, mux_mode, input_register,
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input_daisy, config_register,
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MCUX_RT_INPUT_ENABLE(pin_ctrl_flags));
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IOMUXC_SetPinConfig(mux_register, mux_mode, input_register,
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input_daisy, config_register,
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pin_ctrl_flags & (~(0x1 << MCUX_RT_INPUT_ENABLE_SHIFT)));
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}
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return 0;
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}
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static int mcux_pinctrl_init(const struct device *dev)
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{
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ARG_UNUSED(dev);
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CLOCK_EnableClock(kCLOCK_Iomuxc);
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CLOCK_EnableClock(kCLOCK_IomuxcSnvs);
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return 0;
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}
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SYS_INIT(mcux_pinctrl_init, PRE_KERNEL_1, 0);
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