blob: fc51d55b4480bedcd26284b1a8044e9fa9775960 [file] [log] [blame]
/*
* 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);