// SPDX-License-Identifier: GPL-2.0+
|
/*
|
* (C) Copyright 2022 Rockchip Electronics Co., Ltd
|
*/
|
|
#include <common.h>
|
#include <dm.h>
|
#include <errno.h>
|
#include <i2c.h>
|
#include <max96745.h>
|
#include <video_bridge.h>
|
|
#include "rockchip_bridge.h"
|
#include "rockchip_display.h"
|
#include "rockchip_panel.h"
|
|
struct max96745_bridge_priv {
|
struct gpio_desc lock_gpio;
|
};
|
|
static bool max96745_bridge_detect(struct rockchip_bridge *bridge)
|
{
|
struct max96745_bridge_priv *priv = dev_get_priv(bridge->dev);
|
|
if (!dm_gpio_get_value(&priv->lock_gpio))
|
return false;
|
|
return true;
|
}
|
|
static const struct rockchip_bridge_funcs max96745_bridge_funcs = {
|
.detect = max96745_bridge_detect,
|
};
|
|
static int max96745_bridge_probe(struct udevice *dev)
|
{
|
struct max96745_bridge_priv *priv = dev_get_priv(dev);
|
struct rockchip_bridge *bridge;
|
int ret;
|
|
ret = gpio_request_by_name(dev, "lock-gpios", 0, &priv->lock_gpio,
|
GPIOD_IS_IN);
|
if (ret) {
|
dev_err(dev, "failed to get lock GPIO: %d\n", ret);
|
return ret;
|
}
|
|
bridge = calloc(1, sizeof(*bridge));
|
if (!bridge)
|
return -ENOMEM;
|
|
dev->driver_data = (ulong)bridge;
|
bridge->dev = dev;
|
bridge->funcs = &max96745_bridge_funcs;
|
|
return 0;
|
}
|
|
static const struct udevice_id max96745_bridge_of_match[] = {
|
{ .compatible = "maxim,max96745-bridge", },
|
{ }
|
};
|
|
U_BOOT_DRIVER(max96745_bridge) = {
|
.name = "max96745_bridge",
|
.id = UCLASS_VIDEO_BRIDGE,
|
.of_match = max96745_bridge_of_match,
|
.probe = max96745_bridge_probe,
|
.priv_auto_alloc_size = sizeof(struct max96745_bridge_priv),
|
};
|