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https://github.com/apache/nuttx.git
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Backport for i.MXRT FlexIO driver, features identical. Signed-off-by: Peter van der Perk <peter.vanderperk@nxp.com>
This commit is contained in:
Peter van der Perk
committed by
Xiang Xiao
Xiang Xiao
parent
ed4a351f98
commit
f25db33113
@@ -65,8 +65,8 @@ if(CONFIG_IMX9_GPIO_IRQ)
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list(APPEND SRCS imx9_gpioirq.c)
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endif()
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if(CONFIG_IMX9_FLEXIO_PWM)
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list(APPEND SRCS imx9_flexio_pwm.c)
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if(CONFIG_IMX9_FLEXIO)
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list(APPEND SRCS imx9_flexio.c)
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endif()
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if(CONFIG_IMX9_TPM_PWM)
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@@ -526,6 +526,10 @@ config IMX9_LPSPI
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bool "LPSPI support"
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default n
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config IMXRT_FLEXIO
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bool "FLEXIO support"
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default n
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menu "LPI2C Peripherals"
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menuconfig IMX9_LPI2C1
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@@ -782,6 +786,20 @@ menuconfig IMX9_LPSPI8
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endmenu # LPSPI Peripherals
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menu "FlexIO Peripherals"
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config IMX9_FLEXIO1
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bool "FLEXIO1"
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default n
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select IMX9_FLEXIO
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config IMX9_FLEXIO2
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bool "FLEXIO2"
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default n
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select IMX9_FLEXIO
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endmenu # FlexIO Peripherals
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menu "eDMA Configuration"
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depends on IMX9_EDMA
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@@ -66,8 +66,8 @@ ifeq ($(CONFIG_IMX9_GPIO_IRQ),y)
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CHIP_CSRCS += imx9_gpioirq.c
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endif
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ifeq ($(CONFIG_IMX9_FLEXIO_PWM),y)
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CHIP_CSRCS += imx9_flexio_pwm.c
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ifeq ($(CONFIG_IMX9_FLEXIO),y)
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CHIP_CSRCS += imx9_flexio.c
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endif
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ifeq ($(CONFIG_IMX9_TPM_PWM),y)
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File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,368 @@
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/****************************************************************************
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* arch/arm/src/imx9/imx9_flexio.h
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*
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* SPDX-License-Identifier: Apache-2.0
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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_ARM_SRC_IMX9_IMX9_FLEXIO_H
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#define __ARCH_ARM_SRC_IMX9_IMX9_FLEXIO_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 "chip.h"
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#include "hardware/imx9_flexio.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Calculate FlexIO timer trigger. */
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#define FLEXIO_TIMER_TRIGGER_SEL_PININPUT(x) ((uint32_t)(x) << 1u)
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#define FLEXIO_TIMER_TRIGGER_SEL_SHIFTnSTAT(x) (((uint32_t)(x) << 2u) | 0x1u)
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#define FLEXIO_TIMER_TRIGGER_SEL_TIMn(x) (((uint32_t)(x) << 2u) | 0x3u)
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/* Define time of timer trigger polarity. */
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enum flexio_timer_trigger_polarity_e
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{
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FLEXIO_TIMER_TRIGGER_POLARITY_ACTIVE_HIGH = 0x0u, /* Active high. */
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FLEXIO_TIMER_TRIGGER_POLARITY_ACTIVE_LOW = 0x1u, /* Active low. */
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};
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/* Define type of timer trigger source. */
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enum flexio_timer_trigger_source_e
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{
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FLEXIO_TIMER_TRIGGER_SOURCE_EXTERNAL = 0x0u, /* External trigger selected. */
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FLEXIO_TIMER_TRIGGER_SOURCE_INTERNAL = 0x1u, /* Internal trigger selected. */
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};
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/* Define type of timer/shifter pin configuration. */
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enum flexio_pin_config_e
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{
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FLEXIO_PIN_CONFIG_OUTPUT_DISABLED = 0x0u, /* Pin output disabled. */
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FLEXIO_PIN_CONFIG_OPEN_DRAIN_OR_BIDIRECTION = 0x1u, /* Pin open drain or bidirectional output enable. */
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FLEXIO_PIN_CONFIG_BIDIRECTION_OUTPUT_DATA = 0x2u, /* Pin bidirectional output data. */
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FLEXIO_PIN_CONFIG_OUTPUT = 0x3u, /* Pin output. */
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};
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/* Definition of pin polarity. */
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enum flexio_pin_polarity_e
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{
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FLEXIO_PIN_ACTIVE_HIGH = 0x0u, /* Active high. */
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FLEXIO_PIN_ACTIVE_LOW = 0x1u, /* Active low. */
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};
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/* Define type of timer work mode. */
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enum flexio_timer_mode_e
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{
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FLEXIO_TIMER_MODE_DISABLED = 0x0u, /* Timer Disabled. */
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FLEXIO_TIMER_MODE_DUAL8_BIT_BAUD_BIT = 0x1u, /* Dual 8-bit counters baud/bit mode. */
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FLEXIO_TIMER_MODE_DUAL8_BIT_PWM = 0x2u, /* Dual 8-bit counters PWM mode. */
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FLEXIO_TIMER_MODE_SINGLE16_BIT = 0x3u, /* Single 16-bit counter mode. */
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};
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/* Define type of timer initial output or timer reset condition. */
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enum flexio_timer_output_e
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{
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FLEXIO_TIMER_OUTPUT_ONE_NOT_AFFECTED_BY_RESET = 0x0u, /* Logic one when enabled and is not affected by timer reset. */
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FLEXIO_TIMER_OUTPUT_ZERO_NOT_AFFECTED_BY_RESET = 0x1u, /* Logic zero when enabled and is not affected by timer reset. */
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FLEXIO_TIMER_OUTPUT_ONE_AFFECTED_BY_RESET = 0x2u, /* Logic one when enabled and on timer reset. */
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FLEXIO_TIMER_OUTPUT_ZERO_AFFECTED_BY_RESET = 0x3u, /* Logic zero when enabled and on timer reset. */
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};
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/* Define type of timer decrement. */
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enum flexio_timer_decrement_source_e
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{
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FLEXIO_TIMER_DEC_SRC_ON_FLEX_IO_CLOCK_SHIFT_TIMER_OUTPUT = 0x0u, /* Decrement counter on FlexIO clock, Shift clock equals Timer output. */
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FLEXIO_TIMER_DEC_SRC_ON_TRIGGER_INPUT_SHIFT_TIMER_OUTPUT, /* Decrement counter on Trigger input (both edges), shift clock equals Timer output. */
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FLEXIO_TIMER_DEC_SRC_ON_PIN_INPUT_SHIFT_PIN_INPUT, /* Decrement counter on Pin input (both edges), Shift clock equals Pin input. */
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FLEXIO_TIMER_DEC_SRC_ON_TRIGGER_INPUT_SHIFT_TRIGGER_INPUT /* Decrement counter on Trigger input (both edges), Shift clock equals Trigger input. */
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};
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/* Define type of timer reset condition. */
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enum flexio_timer_reset_condition_e
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{
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FLEXIO_TIMER_RESET_NEVER = 0x0u, /* Timer never reset. */
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FLEXIO_TIMER_RESET_ON_TIMER_PIN_EQUAL_TO_TIMER_OUTPUT = 0x2u, /* Timer reset on Timer Pin equal to Timer Output. */
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FLEXIO_TIMER_RESET_ON_TIMER_TRIGGER_EQUAL_TO_TIMER_OUTPUT = 0x3u, /* Timer reset on Timer Trigger equal to Timer Output. */
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FLEXIO_TIMER_RESET_ON_TIMER_PIN_RISING_EDGE = 0x4u, /* Timer reset on Timer Pin rising edge. */
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FLEXIO_TIMER_RESET_ON_TIMER_TRIGGER_RISING_EDGE = 0x6u, /* Timer reset on Trigger rising edge. */
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FLEXIO_TIMER_RESET_ON_TIMER_TRIGGER_BOTH_EDGE = 0x7u, /* Timer reset on Trigger rising or falling edge. */
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};
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/* Define type of timer disable condition. */
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enum flexio_timer_disable_condition_e
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{
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FLEXIO_TIMER_DISABLE_NEVER = 0x0u, /* Timer never disabled. */
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FLEXIO_TIMER_DISABLE_ON_PRE_TIMER_DISABLE = 0x1u, /* Timer disabled on Timer N-1 disable. */
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FLEXIO_TIMER_DISABLE_ON_TIMER_COMPARE = 0x2u, /* Timer disabled on Timer compare. */
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FLEXIO_TIMER_DISABLE_ON_TIMER_COMPARE_TRIGGER_LOW = 0x3u, /* Timer disabled on Timer compare and Trigger Low. */
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FLEXIO_TIMER_DISABLE_ON_PIN_BOTH_EDGE = 0x4u, /* Timer disabled on Pin rising or falling edge. */
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FLEXIO_TIMER_DISABLE_ON_PIN_BOTH_EDGE_TRIGGER_HIGH = 0x5u, /* Timer disabled on Pin rising or falling edge provided Trigger is high. */
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FLEXIO_TIMER_DISABLE_ON_TRIGGER_FALLING_EDGE = 0x6u, /* Timer disabled on Trigger falling edge. */
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};
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/* Define type of timer enable condition. */
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enum flexio_timer_enable_condition_e
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{
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FLEXIO_TIMER_ENABLED_ALWAYS = 0x0u, /* Timer always enabled. */
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FLEXIO_TIMER_ENABLE_ON_PREV_TIMER_ENABLE = 0x1u, /* Timer enabled on Timer N-1 enable. */
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FLEXIO_TIMER_ENABLE_ON_TRIGGER_HIGH = 0x2u, /* Timer enabled on Trigger high. */
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FLEXIO_TIMER_ENABLE_ON_TRIGGER_HIGH_PIN_HIGH = 0x3u, /* Timer enabled on Trigger high and Pin high. */
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FLEXIO_TIMER_ENABLE_ON_PIN_RISING_EDGE = 0x4u, /* Timer enabled on Pin rising edge. */
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FLEXIO_TIMER_ENABLE_ON_PIN_RISING_EDGE_TRIGGER_HIGH = 0x5u, /* Timer enabled on Pin rising edge and Trigger high. */
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FLEXIO_TIMER_ENABLE_ON_TRIGGER_RISING_EDGE = 0x6u, /* Timer enabled on Trigger rising edge. */
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FLEXIO_TIMER_ENABLE_ON_TRIGGER_BOTH_EDGE = 0x7u, /* Timer enabled on Trigger rising or falling edge. */
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};
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/* Define type of timer stop bit generate condition. */
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enum flexio_timer_stop_bit_condition_e
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{
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FLEXIO_TIMER_STOP_BIT_DISABLED = 0x0u, /* Stop bit disabled. */
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FLEXIO_TIMER_STOP_BIT_ENABLE_ON_TIMER_COMPARE = 0x1u, /* Stop bit is enabled on timer compare. */
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FLEXIO_TIMER_STOP_BIT_ENABLE_ON_TIMER_DISABLE = 0x2u, /* Stop bit is enabled on timer disable. */
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FLEXIO_TIMER_STOP_BIT_ENABLE_ON_TIMER_COMPARE_DISABLE = 0x3u, /* Stop bit is enabled on timer compare and timer disable. */
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};
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/* Define type of timer start bit generate condition. */
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enum flexio_timer_start_bit_condition_e
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{
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FLEXIO_TIMER_START_BIT_DISABLED = 0x0u, /* Start bit disabled. */
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FLEXIO_TIMER_START_BIT_ENABLED = 0x1u, /* Start bit enabled. */
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};
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/* FlexIO as PWM channel output state */
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enum flexio_timer_output_state_e
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{
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FLEXIO_PWM_LOW = 0u, /* The output state of PWM channel is low */
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FLEXIO_PWM_HIGH, /* The output state of PWM channel is high */
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};
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/* Define type of timer polarity for shifter control. */
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enum flexio_shifter_timer_polarity_e
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{
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FLEXIO_SHIFTER_TIMER_POLARITY_ON_POSITIVE = 0x0u, /* Shift on positive edge of shift clock. */
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FLEXIO_SHIFTER_TIMER_POLARITY_ON_NEGATIVE = 0x1u, /* Shift on negative edge of shift clock. */
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};
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/* Define type of shifter working mode. */
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enum flexio_shifter_mode_e
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{
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FLEXIO_SHIFTER_DISABLED = 0x0u, /* Shifter is disabled. */
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FLEXIO_SHIFTER_MODE_RECEIVE = 0x1u, /* Receive mode. */
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FLEXIO_SHIFTER_MODE_TRANSMIT = 0x2u, /* Transmit mode. */
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FLEXIO_SHIFTER_MODE_MATCH_STORE = 0x4u, /* Match store mode. */
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FLEXIO_SHIFTER_MODE_MATCH_CONTINUOUS = 0x5u, /* Match continuous mode. */
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FLEXIO_SHIFTER_MODE_STATE = 0x6u, /* SHIFTBUF contents are used for storing programmable state attributes. */
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FLEXIO_SHIFTER_MODE_LOGIC = 0x7u, /* SHIFTBUF contents are used for implementing programmable logic look up table. */
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};
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/* Define type of shifter input source. */
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enum flexio_shifter_input_source_e
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{
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FLEXIO_SHIFTER_INPUT_FROM_PIN = 0x0u, /* Shifter input from pin. */
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FLEXIO_SHIFTER_INPUT_FROM_NEXT_SHIFTER_OUTPUT = 0x1u, /* Shifter input from Shifter N+1. */
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};
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/* Define of STOP bit configuration. */
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enum flexio_shifter_stop_bit_e
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{
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FLEXIO_SHIFTER_STOP_BIT_DISABLE = 0x0u, /* Disable shifter stop bit. */
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FLEXIO_SHIFTER_STOP_BIT_LOW = 0x2u, /* Set shifter stop bit to logic low level. */
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FLEXIO_SHIFTER_STOP_BIT_HIGH = 0x3u, /* Set shifter stop bit to logic high level. */
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};
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/* Define type of START bit configuration. */
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enum flexio_shifter_start_bit_e
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{
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FLEXIO_SHIFTER_START_BIT_DISABLED_LOAD_DATA_ON_ENABLE = 0x0u, /* Disable shifter start bit, transmitter loads data on enable. */
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FLEXIO_SHIFTER_START_BIT_DISABLED_LOAD_DATA_ON_SHIFT = 0x1u, /* Disable shifter start bit, transmitter loads data on first shift. */
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FLEXIO_SHIFTER_START_BIT_LOW = 0x2u, /* Set shifter start bit to logic low level. */
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FLEXIO_SHIFTER_START_BIT_HIGH = 0x3u, /* Set shifter start bit to logic high level. */
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};
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/* Define FlexIO shifter buffer type */
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enum flexio_shifter_buffer_type_e
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{
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FLEXIO_SHIFTER_BUFFER = 0x0u, /* Shifter Buffer N Register. */
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FLEXIO_SHIFTER_BUFFER_BIT_SWAPPED = 0x1u, /* Shifter Buffer N Bit Byte Swapped Register. */
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FLEXIO_SHIFTER_BUFFER_BYTE_SWAPPED = 0x2u, /* Shifter Buffer N Byte Swapped Register. */
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FLEXIO_SHIFTER_BUFFER_BIT_BYTE_SWAPPED = 0x3u, /* Shifter Buffer N Bit Swapped Register. */
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FLEXIO_SHIFTER_BUFFER_NIBBLE_BYTE_SWAPPED = 0x4u, /* Shifter Buffer N Nibble Byte Swapped Register. */
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FLEXIO_SHIFTER_BUFFER_HALF_WORD_SWAPPED = 0x5u, /* Shifter Buffer N Half Word Swapped Register. */
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FLEXIO_SHIFTER_BUFFER_NIBBLE_SWAPPED = 0x6u, /* Shifter Buffer N Nibble Swapped Register. */
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};
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#ifdef CONFIG_IMX9_FLEXIO
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struct flexio_timer_config_s
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{
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uint32_t trigger_select;
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enum flexio_timer_trigger_polarity_e trigger_polarity;
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enum flexio_timer_trigger_source_e trigger_source;
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enum flexio_pin_config_e pin_config;
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uint32_t pin_select;
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enum flexio_pin_polarity_e pin_polarity;
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enum flexio_timer_mode_e timer_mode;
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enum flexio_timer_output_e timer_output;
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enum flexio_timer_decrement_source_e timer_decrement;
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enum flexio_timer_reset_condition_e timer_reset;
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enum flexio_timer_disable_condition_e timer_disable;
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enum flexio_timer_enable_condition_e timer_enable;
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enum flexio_timer_stop_bit_condition_e timer_stop;
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enum flexio_timer_start_bit_condition_e timer_start;
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uint32_t timer_compare;
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};
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struct flexio_shifter_config_s
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{
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uint32_t timer_select;
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enum flexio_shifter_timer_polarity_e timer_polarity;
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enum flexio_pin_config_e pin_config;
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uint32_t pin_select;
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enum flexio_pin_polarity_e pin_polarity;
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enum flexio_shifter_mode_e shifter_mode;
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uint32_t parallel_width;
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enum flexio_shifter_input_source_e input_source;
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enum flexio_shifter_stop_bit_e shifter_stop;
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enum flexio_shifter_start_bit_e shifter_start;
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};
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/* The FlexIO vtable */
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struct flexio_dev_s;
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struct flexio_ops_s
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{
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void (*reset)(struct flexio_dev_s *dev);
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void (*enable)(struct flexio_dev_s *dev, bool enable);
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uint32_t (*read_pin_input)(struct flexio_dev_s *dev);
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uint8_t (*get_shifter_state)(struct flexio_dev_s *dev);
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void (*set_shifter_config)(struct flexio_dev_s *dev, uint8_t index,
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const struct flexio_shifter_config_s *shifter_config);
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void (*set_timer_config)(struct flexio_dev_s *dev, uint8_t index,
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const struct flexio_timer_config_s *timer_config);
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void (*set_clock_mode)(struct flexio_dev_s *dev, uint8_t index,
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enum flexio_timer_decrement_source_e clocksource);
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void (*enable_shifter_status_interrupts)(struct flexio_dev_s *dev,
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uint32_t mask);
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void (*disable_shifter_status_interrupts)(struct flexio_dev_s *dev,
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uint32_t mask);
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void (*enable_shifter_error_interrupts)(struct flexio_dev_s *dev,
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uint32_t mask);
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void (*disable_shifter_error_interrupts)(struct flexio_dev_s *dev,
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uint32_t mask);
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void (*enable_timer_status_interrupts)(struct flexio_dev_s *dev,
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uint32_t mask);
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void (*disable_timer_status_interrupts)(struct flexio_dev_s *dev,
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uint32_t mask);
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uint32_t (*get_shifter_status_flags)(struct flexio_dev_s *dev);
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void (*clear_shifter_status_flags)(struct flexio_dev_s *dev,
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uint32_t mask);
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uint32_t (*get_shifter_error_flags)(struct flexio_dev_s *dev);
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void (*clear_shifter_error_flags)(struct flexio_dev_s *dev,
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uint32_t mask);
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uint32_t (*get_timer_status_flags)(struct flexio_dev_s *dev);
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void (*clear_timer_status_flags)(struct flexio_dev_s *dev,
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uint32_t mask);
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void (*enable_shifter_status_dma)(struct flexio_dev_s *dev,
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uint32_t mask, bool enable);
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uint32_t (*get_shifter_buffer_address)(struct flexio_dev_s *dev,
|
||||
enum flexio_shifter_buffer_type_e type, uint8_t index);
|
||||
};
|
||||
|
||||
/* FlexIO private data. This structure only defines the initial fields of
|
||||
* the structure visible to the FlexIO client. The specific implementation
|
||||
* may add additional, device specific fields
|
||||
*/
|
||||
|
||||
struct flexio_dev_s
|
||||
{
|
||||
const struct flexio_ops_s *ops;
|
||||
};
|
||||
|
||||
/****************************************************************************
|
||||
* Public Function Prototypes
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef __ASSEMBLY__
|
||||
|
||||
#undef EXTERN
|
||||
#if defined(__cplusplus)
|
||||
#define EXTERN extern "C"
|
||||
extern "C"
|
||||
{
|
||||
#else
|
||||
#define EXTERN extern
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Name: imx9_flexio_initialize
|
||||
*
|
||||
* Description:
|
||||
* Initialize the selected FlexIO port
|
||||
*
|
||||
* Input Parameters:
|
||||
* intf - Interface number
|
||||
*
|
||||
* Returned Value:
|
||||
* Valid FlexIO device structure reference on success; a NULL on failure
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
struct flexio_dev_s *imx9_flexio_initialize(int intf);
|
||||
|
||||
#undef EXTERN
|
||||
#if defined(__cplusplus)
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* __ASSEMBLY__ */
|
||||
#endif /* CONFIG_IMX9_FLEXIO */
|
||||
#endif /* __ARCH_ARM_SRC_IMX9_IMX9_FLEXIO_H */
|
||||
Reference in New Issue
Block a user