blob: 672518741f865921657fea8b568267380164a8ed (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
// SPDX-License-Identifier: GPL-2.0
/*
* Allwinner A64 Display Engine 2.0 Bus Driver
*
* Copyright (C) 2018 Icenowy Zheng <icenowy@aosc.io>
*/
#include <linux/of_platform.h>
#include <linux/platform_device.h>
#include <linux/soc/sunxi/sunxi_sram.h>
static int sun50i_de2_bus_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
int ret;
ret = sunxi_sram_claim(&pdev->dev);
if (ret) {
dev_err(&pdev->dev, "Error couldn't map SRAM to device\n");
return ret;
}
of_platform_populate(np, NULL, NULL, &pdev->dev);
return 0;
}
static int sun50i_de2_bus_remove(struct platform_device *pdev)
{
sunxi_sram_release(&pdev->dev);
return 0;
}
static const struct of_device_id sun50i_de2_bus_of_match[] = {
{ .compatible = "allwinner,sun50i-a64-de2", },
{ /* sentinel */ }
};
static struct platform_driver sun50i_de2_bus_driver = {
.probe = sun50i_de2_bus_probe,
.remove = sun50i_de2_bus_remove,
.driver = {
.name = "sun50i-de2-bus",
.of_match_table = sun50i_de2_bus_of_match,
},
};
builtin_platform_driver(sun50i_de2_bus_driver);
|
