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boards/szpi-esp32s3: Add support for PCA9557

Browse Source 
https://wiki.lckfb.com/zh-hans/szpi-esp32s3/open-source-hardware/

| PCA9557 | ESP32S3 |
|---------|---------|
| SCL     | IO2     |
| SDA     | IO1     |
| A0      | 3V3     |
| A1      | GND     |
| A2      | GND     |

| PCA9557 | Peripherals |
|---------|-------------|
| IO0     | LCD_CS      |
| IO1     | PA_EN       |
| IO2     | DVP_PWDW    |

Signed-off-by: wangjianyu3 <wangjianyu3@xiaomi.com>
This commit is contained in:
wangjianyu3
2025-03-24 20:00:17 +08:00
committed by Alan C. Assis
parent b73d7f2922
commit ce6d6b4602
4 changed files with 139 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
boards/xtensa/esp32s3/lckfb-szpi-esp32s3/src/Make.defs
+4
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@@ -48,3 +48,7 @@ ifeq ($(CONFIG_TXTABLE_PARTITION),y)
RCRAWS = etc/txtable.txt
endif # CONFIG_TXTABLE_PARTITION
endif
ifeq ($(CONFIG_IOEXPANDER_PCA9557),y)
CSRCS += esp32s3_pca9557.c
endif
boards/xtensa/esp32s3/lckfb-szpi-esp32s3/src/esp32s3-szpi.h
+4
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@@ -177,5 +177,9 @@ int esp32s3_cs4344_initialize(int port);
int esp_openeth_initialize(void);
#endif
#ifdef CONFIG_IOEXPANDER_PCA9557
int esp32s3_pca9557_initialize(void);
#endif
#endif /* __ASSEMBLY__ */
#endif /* __BOARDS_XTENSA_ESP32S3_LCKFB_SZPI_ESP32S3_SRC_ESP32S3_DEVKIT_H */
boards/xtensa/esp32s3/lckfb-szpi-esp32s3/src/esp32s3_bringup.c
+8
View File
@@ -294,6 +294,14 @@ int esp32s3_bringup(void)
}
#endif
#ifdef CONFIG_IOEXPANDER_PCA9557
ret = esp32s3_pca9557_initialize();
if (ret < 0)
{
syslog(LOG_ERR, "Failed to initialize PCA9557 driver: %d\n", ret);
}
#endif
#ifdef CONFIG_SENSORS_BMP180
/* Try to register BMP180 device in I2C0 */
boards/xtensa/esp32s3/lckfb-szpi-esp32s3/src/esp32s3_pca9557.c
+123
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@@ -0,0 +1,123 @@
/****************************************************************************
* boards/xtensa/esp32s3/lckfb-szpi-esp32s3/src/esp32s3_pca9557.c
*
* SPDX-License-Identifier: Apache-2.0
*
* 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 <unistd.h>
#include <stdlib.h>
#include <debug.h>
#include <assert.h>
#include <nuttx/arch.h>
#include <nuttx/board.h>
#include <nuttx/ioexpander/pca9557.h>
#include <nuttx/ioexpander/gpio.h>
#include "esp32s3_i2c.h"
#include "esp32s3-szpi.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* | PCA9557 | ESP32S3 |
* |---------|---------|
* | SCL | IO2 |
* | SDA | IO1 |
* | A0 | 3V3 |
* | A1 | GND |
* | A2 | GND |
*/
#define ESP32S3_PCA9557_I2C_PORT (0)
#define ESP32S3_PCA9557_I2C_ADDR (0x19)
#define ESP32S3_PCA9557_I2C_CLOCK (100 * 1000)
/* | PCA9557 | Peripherals |
* |---------|-------------|
* | IO0 | LCD_CS |
* | IO1 | PA_EN |
* | IO2 | DVP_PWDW |
*/
#define ESP32S3_PCA9557_LCD_CS (0)
#define ESP32S3_PCA9557_PA_EN (1)
#define ESP32S3_PCA9557_DVP_PWDN (2)
/****************************************************************************
* Private Data
****************************************************************************/
struct pca9557_config_s g_pca9557_config =
{
ESP32S3_PCA9557_I2C_ADDR,
ESP32S3_PCA9557_I2C_CLOCK,
NULL,
};
/****************************************************************************
* Public Functions
****************************************************************************/
int esp32s3_pca9557_initialize(void)
{
FAR struct ioexpander_dev_s *ioe;
FAR struct i2c_master_s *i2c;
int ret;
i2c = esp32s3_i2cbus_initialize(ESP32S3_PCA9557_I2C_PORT);
if (!i2c)
{
i2cerr("Initialize I2C bus failed!\n");
return -EINVAL;
}
ioe = pca9557_initialize(i2c, &g_pca9557_config);
if (!ioe)
{
i2cerr("Initialize PCA9557 failed!\n");
return -EINVAL;
}
ret = gpio_lower_half(ioe, ESP32S3_PCA9557_LCD_CS, GPIO_OUTPUT_PIN, 0);
if (ret)
{
gpioerr("Create GPIO LCD_CS pin device failed!\n");
}
ret = gpio_lower_half(ioe, ESP32S3_PCA9557_PA_EN, GPIO_OUTPUT_PIN, 1);
if (ret)
{
gpioerr("Create GPIO PA_EN pin device failed!\n");
}
ret = gpio_lower_half(ioe, ESP32S3_PCA9557_DVP_PWDN, GPIO_OUTPUT_PIN, 2);
if (ret)
{
gpioerr("Create GPIO DVP_PWDW pin device failed!\n");
}
return 0;
}