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