e2ed8cf130
Add pinctrl driver for CC13XX/CC26XX family of SoCs to facilitate transition from pinmux to pinctrl. `IOCPortConfigureSet()` from TI hal driverlib used to implement the generic pinctrl driver. Signed-off-by: Vaishnav Achath <vaishnav@beagleboard.org>
62 lines
2.1 KiB
C
62 lines
2.1 KiB
C
/*
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* Copyright (c) 2022 Vaishnav Achath
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef TI_SIMPLELINK_CC13XX_CC26XX_SOC_PINCTRL_H_
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#define TI_SIMPLELINK_CC13XX_CC26XX_SOC_PINCTRL_H_
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#include <zephyr/types.h>
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/* Defines for enabling/disabling an IO */
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#define IOC_SLEW_ENABLE 0x00001000
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#define IOC_SLEW_DISABLE 0x00000000
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#define IOC_INPUT_ENABLE 0x20000000
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#define IOC_INPUT_DISABLE 0x00000000
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#define IOC_HYST_ENABLE 0x40000000
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#define IOC_HYST_DISABLE 0x00000000
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/* Defines that can be used to set the IO Mode of an IO */
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#define IOC_IOMODE_NORMAL 0x00000000
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#define IOC_IOMODE_INV 0x01000000
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#define IOC_IOMODE_OPEN_DRAIN_NORMAL 0x04000000
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#define IOC_IOMODE_OPEN_DRAIN_INV 0x05000000
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#define IOC_IOMODE_OPEN_SRC_NORMAL 0x06000000
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#define IOC_IOMODE_OPEN_SRC_INV 0x07000000
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/* Defines that can be used to set pull on an IO */
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#define IOC_NO_IOPULL 0x00006000
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#define IOC_IOPULL_UP 0x00004000
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#define IOC_IOPULL_DOWN 0x00002000
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typedef struct pinctrl_soc_pin_t {
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uint32_t pin;
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uint32_t iofunc;
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uint32_t iomode;
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} pinctrl_soc_pin_t;
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/* Convert DT flags to SoC flags */
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#define CC13XX_CC26XX_PIN_FLAGS(node_id) \
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(DT_PROP(node_id, bias_pull_up) * IOC_IOPULL_UP | \
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DT_PROP(node_id, bias_pull_down) * IOC_IOPULL_DOWN | \
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DT_PROP(node_id, bias_disable) * IOC_NO_IOPULL | \
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DT_PROP(node_id, drive_open_drain) * IOC_IOMODE_OPEN_DRAIN_NORMAL | \
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DT_PROP(node_id, drive_open_source) * IOC_IOMODE_OPEN_SRC_NORMAL | \
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DT_PROP(node_id, input_enable) * IOC_INPUT_ENABLE | \
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DT_PROP(node_id, input_schmitt_enable) * IOC_HYST_ENABLE)
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#define CC13XX_CC26XX_DT_PIN(node_id) \
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{ \
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.pin = DT_PROP_BY_IDX(node_id, pinmux, 0), \
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.iofunc = DT_PROP_BY_IDX(node_id, pinmux, 1), \
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.iomode = CC13XX_CC26XX_PIN_FLAGS(node_id) \
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},
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#define Z_PINCTRL_STATE_PIN_INIT(node_id, prop, idx) \
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CC13XX_CC26XX_DT_PIN(DT_PROP_BY_IDX(node_id, prop, idx))
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#define Z_PINCTRL_STATE_PINS_INIT(node_id, prop) \
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{ DT_FOREACH_PROP_ELEM(node_id, prop, Z_PINCTRL_STATE_PIN_INIT) }
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#endif /* TI_SIMPLELINK_CC13XX_CC26XX_SOC_PINCTRL_H_ */
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