4a82838be7
- Add missing include guard
- Add missing C++ guard
- Fix the initialization ordering in IOMUX_PADCFG macro. Why ? Becaused of:
imx9_iomuxc.h:54:3: error: designator order for field 'iomux_padcfg_s::dsyreg' does not match declaration order in 'iomux_padcfg_s'
54 | }
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140 lines
4.2 KiB
C
140 lines
4.2 KiB
C
/****************************************************************************
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* arch/arm64/src/imx9/imx9_iomuxc.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __ARCH_ARM64_SRC_IMX9_IMX9_IOMUXC_H
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#define __ARCH_ARM64_SRC_IMX9_IMX9_IOMUXC_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include "hardware/imx9_iomuxc.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define IOMUX_PADCFG(_ctlreg, _mode, _dsyreg, _dsy, _padreg) \
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{ \
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.ctlreg = (_ctlreg), \
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.padreg = (_padreg), \
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.dsyreg = (_dsyreg), \
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.mode = (_mode), \
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.dsy = (_dsy), \
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}
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#define IOMUX_CFG(_padcfg, _pad, _mux) \
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(iomux_cfg_t) \
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{ \
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.padcfg = _padcfg, \
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.pad = (_pad), \
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.mux = (_mux), \
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}
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/* Information for the pad alternate function */
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struct iomux_padcfg_s
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{
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/* Register offsets for PAD */
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uintptr_t ctlreg;
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uintptr_t padreg;
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uintptr_t dsyreg;
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/* ALT and input daisy configuration for pad */
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uint32_t mode;
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uint32_t dsy;
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};
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struct iomux_cfg_s
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{
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struct iomux_padcfg_s padcfg;
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/* Register values */
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uint32_t pad;
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uint32_t mux;
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};
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typedef struct iomux_cfg_s iomux_cfg_t;
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/****************************************************************************
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* Name: imx9_iomux_configure
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*
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* Description:
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* This function writes the encoded pad configuration to the Pad Control
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* register.
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*
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* Input Parameters:
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* cfg - The IOMUX configuration
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*
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* Returned Value:
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* Zero (OK) on success; a negated errno value on failure.
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*
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****************************************************************************/
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int imx9_iomux_configure(iomux_cfg_t cfg);
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/****************************************************************************
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* Name: imx9_iomux_configure
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*
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* Description:
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* This can be used to forcibly set a pad to GPIO mode. This overrides and
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* disconnects any peripheral using the pin.
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*
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* Input Parameters:
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* cfg - The IOMUX configuration.
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* sion - if true; sets SION, otherwise clears it.
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*
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* Returned Value:
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* Zero (OK) on success; a negated errno value on failure.
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*
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****************************************************************************/
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int imx9_iomux_gpio(iomux_cfg_t cfg, bool sion);
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __ARCH_ARM64_SRC_IMX9_IMX9_IOMUXC_H */
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