1 /*
2  * Copyright 2022 NXP
3  *
4  * SPDX-License-Identifier: Apache-2.0
5  */
6 
7 #ifndef ZEPHYR_SOC_ARM_NXP_LPC_54xxx_PINCTRL_SOC_H_
8 #define ZEPHYR_SOC_ARM_NXP_LPC_54xxx_PINCTRL_SOC_H_
9 
10 #include <zephyr/devicetree.h>
11 #include <zephyr/types.h>
12 
13 #ifdef __cplusplus
14 extern "C" {
15 #endif
16 
17 /** @cond INTERNAL_HIDDEN */
18 
19 typedef uint32_t pinctrl_soc_pin_t;
20 
21 #define Z_PINCTRL_IOCON_PINCFG(node_id)						\
22 	(IF_ENABLED(DT_PROP(node_id, bias_pull_down), (IOCON_PIO_MODE(0x1) |))	\
23 	IF_ENABLED(DT_PROP(node_id, bias_pull_up), (IOCON_PIO_MODE(0x2) |))	\
24 	IF_ENABLED(DT_PROP(node_id, drive_push_pull), (IOCON_PIO_MODE(0x3) |))	\
25 	IOCON_PIO_INVERT(DT_PROP(node_id, nxp_invert)) |			\
26 	IOCON_PIO_DIGIMODE(!DT_PROP(node_id, nxp_analog_mode)) |		\
27 	IOCON_PIO_FILTEROFF(!DT_NODE_HAS_PROP(node_id, nxp_digital_filter)) |	\
28 	IOCON_PIO_SLEW(DT_ENUM_IDX(node_id, slew_rate)) |			\
29 	IOCON_PIO_OD(DT_PROP(node_id, drive_open_drain)) |			\
30 	IOCON_PIO_I2CSLEW(!DT_PROP(node_id, nxp_i2c_mode)) |			\
31 	IOCON_PIO_I2CDRIVE(DT_ENUM_IDX_OR(node_id, nxp_i2c_speed, 0)) |			\
32 	IOCON_PIO_I2CFILTER(DT_ENUM_IDX_OR(node_id, nxp_i2c_filter, 0)))
33 
34 /* Mask for digital type pin configuration register */
35 #define Z_PINCTRL_IOCON_D_PIN_MASK (IOCON_PIO_OD_MASK |				\
36 	IOCON_PIO_DIGIMODE_MASK | IOCON_PIO_INVERT_MASK | IOCON_PIO_SLEW_MASK |	\
37 	IOCON_PIO_MODE_MASK | IOCON_PIO_FUNC_MASK)
38 
39 /* LPC54xxx does not have analog type pins */
40 #define Z_PINCTRL_IOCON_A_PIN_MASK						\
41 	(Z_PINCTRL_IOCON_D_PIN_MASK)
42 
43 /* Mask for i2c type pin configuration register */
44 #define Z_PINCTRL_IOCON_I_PIN_MASK (IOCON_PIO_FUNC_MASK |			\
45 	IOCON_PIO_I2CSLEW_MASK | IOCON_PIO_INVERT_MASK |			\
46 	IOCON_PIO_DIGIMODE_MASK | IOCON_PIO_FILTEROFF_MASK |			\
47 	IOCON_PIO_I2CDRIVE_MASK | IOCON_PIO_I2CFILTER_MASK)
48 
49 #define Z_PINCTRL_STATE_PIN_INIT(group, pin_prop, idx)				\
50 	DT_PROP_BY_IDX(group, pin_prop, idx) | Z_PINCTRL_IOCON_PINCFG(group),
51 
52 /**
53  * @brief Utility macro to initialize state pins contained in a given property.
54  *
55  * @param node_id Node identifier.
56  * @param prop Property name describing state pins.
57  */
58 #define Z_PINCTRL_STATE_PINS_INIT(node_id, prop)			       \
59 	{DT_FOREACH_CHILD_VARGS(DT_PHANDLE(node_id, prop),		       \
60 				DT_FOREACH_PROP_ELEM, pinmux,		       \
61 				Z_PINCTRL_STATE_PIN_INIT)}
62 
63 #ifdef __cplusplus
64 }
65 #endif
66 
67 #endif /* ZEPHYR_SOC_ARM_NXP_LPC_54xxx_PINCTRL_SOC_H_ */
68