| /* |
| * Copyright (c) 2022, NXP |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #ifndef ZEPHYR_SOC_ARM_NXP_IMX_MCIMX6X_PINCTRL_SOC_H_ |
| #define ZEPHYR_SOC_ARM_NXP_IMX_MCIMX6X_PINCTRL_SOC_H_ |
| |
| #include <zephyr/devicetree.h> |
| #include <zephyr/types.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #define IOMUXC_SW_MUX_CTL_PAD_MUX_MODE(x) ((x) & 0xF) |
| #define IOMUXC_SW_MUX_CTL_PAD_SION(x) (((x) & 0x1) << 4) |
| #define IOMUXC_SELECT_INPUT_DAISY(x) ((x) & 0x7) |
| |
| #define MCUX_IMX_BIAS_PULL_UP_SHIFT 5 |
| #define MCUX_IMX_PULL_ENABLE_SHIFT 4 |
| #define MCUX_IMX_INPUT_SCHMITT_ENABLE_SHIFT 3 |
| #define MCUX_IMX_SLEW_RATE_SHIFT 2 |
| #define MCUX_IMX_DRIVE_STRENGTH_SHIFT 0 |
| #define MCUX_IMX_INPUT_ENABLE_SHIFT 31 /* Shift to a bit not used by IOMUXC_SW_PAD_CTL */ |
| #define MCUX_IMX_INPUT_ENABLE(x) ((x >> MCUX_IMX_INPUT_ENABLE_SHIFT) & 0x1) |
| |
| #define Z_PINCTRL_MCUX_IMX_PINCFG_INIT(node_id) \ |
| ((DT_PROP(node_id, input_schmitt_enable) << MCUX_IMX_INPUT_SCHMITT_ENABLE_SHIFT) | \ |
| IF_ENABLED(DT_PROP(node_id, bias_pull_up), (DT_ENUM_IDX(node_id, bias_pull_up_value) \ |
| << MCUX_IMX_BIAS_PULL_UP_SHIFT) |) \ |
| ((DT_PROP(node_id, bias_pull_down) | DT_PROP(node_id, bias_pull_up)) \ |
| << MCUX_IMX_PULL_ENABLE_SHIFT) | \ |
| (DT_ENUM_IDX(node_id, drive_strength) << MCUX_IMX_DRIVE_STRENGTH_SHIFT) | \ |
| (DT_ENUM_IDX(node_id, slew_rate) << MCUX_IMX_SLEW_RATE_SHIFT) | \ |
| (DT_PROP(node_id, input_enable) << MCUX_IMX_INPUT_ENABLE_SHIFT)) |
| |
| |
| #define Z_PINCTRL_MCUX_IMX_LPSR_PINCFG_INIT(node_id) \ |
| (IF_ENABLED(DT_PROP(node_id, bias_pull_up), (DT_ENUM_IDX(node_id, bias_pull_up_value) \ |
| << MCUX_IMX_BIAS_PULL_UP_SHIFT) |) \ |
| IF_ENABLED(DT_PROP(node_id, bias_pull_down), (DT_ENUM_IDX(node_id, bias_pull_down_value)\ |
| << MCUX_IMX_BIAS_PULL_DOWN_SHIFT) |) \ |
| ((DT_PROP(node_id, bias_pull_down) | DT_PROP(node_id, bias_pull_up)) \ |
| << MCUX_IMX_PULL_ENABLE_SHIFT) | \ |
| (DT_PROP(node_id, input_enable) << MCUX_IMX_INPUT_ENABLE_SHIFT)) |
| |
| |
| /* This struct must be present. It is used by the mcux gpio driver */ |
| struct pinctrl_soc_pinmux { |
| uint32_t mux_register; /*!< IOMUXC SW_PAD_MUX register */ |
| uint32_t config_register; /*!< IOMUXC SW_PAD_CTL register */ |
| uint32_t input_register; /*!< IOMUXC SELECT_INPUT DAISY register */ |
| uint8_t mux_mode: 4; /*!< Mux value for SW_PAD_MUX register */ |
| uint32_t input_daisy:4; /*!< Mux value for SELECT_INPUT_DAISY register */ |
| }; |
| |
| struct pinctrl_soc_pin { |
| struct pinctrl_soc_pinmux pinmux; |
| uint32_t pin_ctrl_flags; /*!< value to write to IOMUXC_SW_PAD_CTL register */ |
| }; |
| |
| typedef struct pinctrl_soc_pin pinctrl_soc_pin_t; |
| |
| /* This definition must be present. It is used by the mcux gpio driver */ |
| #define MCUX_IMX_PINMUX(node_id) \ |
| { \ |
| .mux_register = DT_PROP_BY_IDX(node_id, pinmux, 0), \ |
| .config_register = DT_PROP_BY_IDX(node_id, pinmux, 4), \ |
| .input_register = DT_PROP_BY_IDX(node_id, pinmux, 2), \ |
| .mux_mode = DT_PROP_BY_IDX(node_id, pinmux, 1), \ |
| .input_daisy = DT_PROP_BY_IDX(node_id, pinmux, 3), \ |
| } |
| |
| #define Z_PINCTRL_PINMUX(group_id, pin_prop, idx) \ |
| MCUX_IMX_PINMUX(DT_PHANDLE_BY_IDX(group_id, pin_prop, idx)) |
| |
| #define Z_PINCTRL_STATE_PIN_INIT(group_id, pin_prop, idx) \ |
| { \ |
| .pinmux = Z_PINCTRL_PINMUX(group_id, pin_prop, idx), \ |
| .pin_ctrl_flags = COND_CODE_0( \ |
| DT_PROP(DT_PHANDLE_BY_IDX(group_id, pin_prop, idx), pin_lpsr), \ |
| (Z_PINCTRL_MCUX_IMX_PINCFG_INIT(group_id)), \ |
| (Z_PINCTRL_MCUX_IMX_LPSR_PINCFG_INIT(group_id))), \ |
| }, |
| |
| |
| #define Z_PINCTRL_STATE_PINS_INIT(node_id, prop) \ |
| {DT_FOREACH_CHILD_VARGS(DT_PHANDLE(node_id, prop), \ |
| DT_FOREACH_PROP_ELEM, pinmux, Z_PINCTRL_STATE_PIN_INIT)}; \ |
| |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* ZEPHYR_SOC_ARM_NXP_IMX_MCIMX6X_PINCTRL_SOC_H_ */ |