70 lines
2.0 KiB
C
70 lines
2.0 KiB
C
/*
|
|
* Copyright (c) 2022 NXP
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#include <zephyr/drivers/pinctrl.h>
|
|
|
|
|
|
int pinctrl_configure_pins(const pinctrl_soc_pin_t *pins, uint8_t pin_cnt,
|
|
uintptr_t reg)
|
|
{
|
|
/* configure all pins */
|
|
for (uint8_t i = 0U; i < pin_cnt; i++) {
|
|
uint32_t mux_register = pins[i].pinmux.mux_register;
|
|
uint32_t mux_mode = pins[i].pinmux.mux_mode;
|
|
uint32_t input_register = pins[i].pinmux.input_register;
|
|
uint32_t input_daisy = pins[i].pinmux.input_daisy;
|
|
uint32_t config_register = pins[i].pinmux.config_register;
|
|
uint32_t pin_ctrl_flags = pins[i].pin_ctrl_flags;
|
|
#if defined(CONFIG_SOC_SERIES_IMX_RT10XX) || defined(CONFIG_SOC_SERIES_IMX_RT11XX)
|
|
volatile uint32_t *gpr_register =
|
|
(volatile uint32_t *)((uintptr_t)pins[i].pinmux.gpr_register);
|
|
if (gpr_register) {
|
|
/* Set or clear specified GPR bit for this mux */
|
|
if (pins[i].pinmux.gpr_val) {
|
|
*gpr_register |=
|
|
(pins[i].pinmux.gpr_val << pins[i].pinmux.gpr_shift);
|
|
} else {
|
|
*gpr_register &= ~(0x1 << pins[i].pinmux.gpr_shift);
|
|
}
|
|
}
|
|
#endif
|
|
*((volatile uint32_t *)((uintptr_t)mux_register)) =
|
|
IOMUXC_SW_MUX_CTL_PAD_MUX_MODE(mux_mode) |
|
|
IOMUXC_SW_MUX_CTL_PAD_SION(MCUX_IMX_INPUT_ENABLE(pin_ctrl_flags));
|
|
if (input_register) {
|
|
*((volatile uint32_t *)((uintptr_t)input_register)) =
|
|
IOMUXC_SELECT_INPUT_DAISY(input_daisy);
|
|
}
|
|
if (config_register) {
|
|
*((volatile uint32_t *)((uintptr_t)config_register)) =
|
|
pin_ctrl_flags & (~(0x1 << MCUX_IMX_INPUT_ENABLE_SHIFT));
|
|
}
|
|
|
|
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int imx_pinctrl_init(const struct device *dev)
|
|
{
|
|
ARG_UNUSED(dev);
|
|
#ifdef CONFIG_SOC_SERIES_IMX_RT
|
|
CLOCK_EnableClock(kCLOCK_Iomuxc);
|
|
#ifdef CONFIG_SOC_SERIES_IMX_RT10XX
|
|
CLOCK_EnableClock(kCLOCK_IomuxcSnvs);
|
|
CLOCK_EnableClock(kCLOCK_IomuxcGpr);
|
|
#elif defined(CONFIG_SOC_SERIES_IMX_RT11XX)
|
|
CLOCK_EnableClock(kCLOCK_Iomuxc_Lpsr);
|
|
#endif /* CONFIG_SOC_SERIES_IMX_RT10XX */
|
|
#elif defined(CONFIG_SOC_MIMX8MQ6)
|
|
CLOCK_EnableClock(kCLOCK_Iomux);
|
|
#endif /* CONFIG_SOC_SERIES_IMX_RT */
|
|
|
|
return 0;
|
|
}
|
|
|
|
SYS_INIT(imx_pinctrl_init, PRE_KERNEL_1, 0);
|