leducp commented on code in PR #10877: URL: https://github.com/apache/nuttx/pull/10877#discussion_r1350363948
########## boards/arm/mx8mp/verdin-mx8mp/src/mx8mp_spi.c: ########## @@ -0,0 +1,122 @@ +/**************************************************************************** + * boards/arm/mx8mp/verdin-mx8mp/src/mx8mp_spi.c + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <stdint.h> +#include <stdbool.h> +#include <errno.h> +#include <debug.h> + +#include <nuttx/spi/spi.h> + +#include "arm_internal.h" +#include "chip.h" +#include "mx8mp_gpio.h" + +#include <arch/board/board.h> + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: mx8mp_spi1/2/3select and mx8mp_spi1/2/3status + * + * Description: + * The external functions, mx8mp_spi1/2/3select and mx8mp_spi1/2/3status + * must be provided by board-specific logic. + * They are implementations of the select and status methods of the SPI + * interface defined by struct spi_ops_s (see include/nuttx/spi/spi.h). + * + ****************************************************************************/ + +#ifdef CONFIG_MX8MP_SPI1 +void mx8mp_spi1_select(struct spi_dev_s *dev, uint32_t devid, + bool selected) +{ + spiinfo("devid: %d CS: %s\n", (int)devid, + selected ? "assert" : "de-assert"); + + /* nothing to do : CS handled by module */ +} + +uint8_t mx8mp_spi1_status(struct spi_dev_s *dev, uint32_t devid) +{ + return 0; +} + +#ifdef CONFIG_SPI_CMDDATA +int mx8mp_spi1_cmddata(struct spi_dev_s *dev, uint32_t devid, bool cmd) +{ + return -ENODEV; +} +#endif +#endif + +#ifdef CONFIG_MX8MP_SPI2 +void mx8mp_spi2_select(struct spi_dev_s *dev, uint32_t devid, + bool selected) +{ + spiinfo("devid: %d CS: %s\n", (int)devid, + selected ? "assert" : "de-assert"); + + mx8mp_gpio_write(GPIO_SPI2_CS, !selected); +} + +uint8_t mx8mp_spi2_status(struct spi_dev_s *dev, uint32_t devid) +{ + return 0; +} + +#ifdef CONFIG_SPI_CMDDATA +int mx8mp_spi2_cmddata(struct spi_dev_s *dev, uint32_t devid, bool cmd) +{ + return -ENODEV; +} +#endif +#endif + +#ifdef CONFIG_MX8MP_SPI3 +void mx8mp_spi3_select(struct spi_dev_s *dev, uint32_t devid, + bool selected) +{ + spiinfo("devid: %d CS: %s\n", (int)devid, + selected ? "assert" : "de-assert"); + + mx8mp_gpio_write(GPIO_SPI3_CS, !selected); +} + +uint8_t mx8mp_spi3_status(struct spi_dev_s *dev, uint32_t devid) +{ + return 0; +} + +#ifdef CONFIG_SPI_CMDDATA +int mx8mp_spi3_cmddata(struct spi_dev_s *dev, uint32_t devid, bool cmd) +{ + return -ENODEV; +} +#endif +#endif Review Comment: fixed -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: commits-unsubscr...@nuttx.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
