drivers: pinctrl: esp32s2: initial support
add initial pinctrl driver support for ESP32S2. Signed-off-by: Glauber Maroto Ferreira <glauber.ferreira@espressif.com>
This commit is contained in:
parent
5353f86af9
commit
2b44028777
2 changed files with 78 additions and 3 deletions
|
@ -4,8 +4,8 @@
|
|||
DT_COMPAT_ESP32_PINCTRL := espressif,esp32-pinctrl
|
||||
|
||||
config PINCTRL_ESP32
|
||||
bool "Pin controller driver for ESP32 SoC"
|
||||
depends on SOC_ESP32
|
||||
bool "ESP32 pin controller"
|
||||
depends on SOC_ESP32 || SOC_ESP32S2
|
||||
default $(dt_compat_enabled,$(DT_COMPAT_ESP32_PINCTRL))
|
||||
help
|
||||
Enable pin controller driver for ESP32 SoC
|
||||
Enables ESP32 pin controller
|
||||
|
|
75
soc/xtensa/esp32s2/pinctrl_soc.h
Normal file
75
soc/xtensa/esp32s2/pinctrl_soc.h
Normal file
|
@ -0,0 +1,75 @@
|
|||
/*
|
||||
* Copyright (c) 2022 Espressif Systems (Shanghai) Co., Ltd.
|
||||
*
|
||||
* SPDX-License-Identifier: Apache-2.0
|
||||
*/
|
||||
|
||||
/**
|
||||
* @file
|
||||
* ESP32S2 SoC specific helpers for pinctrl driver
|
||||
*/
|
||||
|
||||
#ifndef ZEPHYR_SOC_XTENSA_ESP32S2_PINCTRL_SOC_H_
|
||||
#define ZEPHYR_SOC_XTENSA_ESP32S2_PINCTRL_SOC_H_
|
||||
|
||||
#include <devicetree.h>
|
||||
#include <zephyr/types.h>
|
||||
|
||||
#include <dt-bindings/pinctrl/esp-pinctrl-common.h>
|
||||
|
||||
/** @cond INTERNAL_HIDDEN */
|
||||
|
||||
/** Type for ESP32 pin. */
|
||||
typedef struct pinctrl_soc_pin {
|
||||
/** Pinmux settings (pin, direction and signal). */
|
||||
uint32_t pinmux;
|
||||
/** Pincfg settings (bias). */
|
||||
uint32_t pincfg;
|
||||
} pinctrl_soc_pin_t;
|
||||
|
||||
/**
|
||||
* @brief Utility macro to initialize pinmux field in #pinctrl_pin_t.
|
||||
*
|
||||
* @param node_id Node identifier.
|
||||
*/
|
||||
#define Z_PINCTRL_ESP32_PINMUX_INIT(node_id) DT_PROP(node_id, pinmux)
|
||||
|
||||
/**
|
||||
* @brief Utility macro to initialize pincfg field in #pinctrl_pin_t.
|
||||
*
|
||||
* @param node_id Node identifier.
|
||||
*/
|
||||
#define Z_PINCTRL_ESP32_PINCFG_INIT(node_id) \
|
||||
(((ESP32_NO_PULL * DT_PROP(node_id, bias_disable)) << ESP32_PIN_BIAS_SHIFT) | \
|
||||
((ESP32_PULL_UP * DT_PROP(node_id, bias_pull_up)) << ESP32_PIN_BIAS_SHIFT) | \
|
||||
((ESP32_PULL_DOWN * DT_PROP(node_id, bias_pull_down)) << ESP32_PIN_BIAS_SHIFT) | \
|
||||
((ESP32_PUSH_PULL * DT_PROP(node_id, drive_push_pull)) << ESP32_PIN_DRV_SHIFT) | \
|
||||
((ESP32_OPEN_DRAIN * DT_PROP(node_id, drive_open_drain)) << ESP32_PIN_DRV_SHIFT) | \
|
||||
((ESP32_PIN_OUT_HIGH * DT_PROP(node_id, output_high)) << ESP32_PIN_OUT_SHIFT) | \
|
||||
((ESP32_PIN_OUT_LOW * DT_PROP(node_id, output_low)) << ESP32_PIN_OUT_SHIFT))
|
||||
|
||||
/**
|
||||
* @brief Utility macro to initialize each pin.
|
||||
*
|
||||
* @param node_id Node identifier.
|
||||
* @param state_prop State property name.
|
||||
* @param idx State property entry index.
|
||||
*/
|
||||
#define Z_PINCTRL_STATE_PIN_INIT(node_id, state_prop, idx) \
|
||||
{ .pinmux = Z_PINCTRL_ESP32_PINMUX_INIT( \
|
||||
DT_PROP_BY_IDX(node_id, state_prop, idx)), \
|
||||
.pincfg = Z_PINCTRL_ESP32_PINCFG_INIT( \
|
||||
DT_PROP_BY_IDX(node_id, state_prop, idx)) },
|
||||
|
||||
/**
|
||||
* @brief Utility macro to initialize state pins contained in a given property.
|
||||
*
|
||||
* @param node_id Node identifier.
|
||||
* @param prop Property name describing state pins.
|
||||
*/
|
||||
#define Z_PINCTRL_STATE_PINS_INIT(node_id, prop) \
|
||||
{DT_FOREACH_PROP_ELEM(node_id, prop, Z_PINCTRL_STATE_PIN_INIT)}
|
||||
|
||||
/** @endcond */
|
||||
|
||||
#endif /* ZEPHYR_SOC_XTENSA_ESP32S2_PINCTRL_SOC_H_ */
|
Loading…
Add table
Add a link
Reference in a new issue