projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 8818e865 IZ |
1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | /* | |
| 3 | * Allwinner A64 Display Engine 2.0 Bus Driver | |
| 4 | * | |
| 5 | * Copyright (C) 2018 Icenowy Zheng <icenowy@aosc.io> | |
| 6 | */ | |
| 7 | ||
| 8 | #include <linux/of_platform.h> | |
| 9 | #include <linux/platform_device.h> | |
| 10 | #include <linux/soc/sunxi/sunxi_sram.h> | |
| 11 | ||
| 12 | static int sun50i_de2_bus_probe(struct platform_device *pdev) | |
| 13 | { | |
| 14 | struct device_node *np = pdev->dev.of_node; | |
| 15 | int ret; | |
| 16 | ||
| 17 | ret = sunxi_sram_claim(&pdev->dev); | |
| 50ac48ae JS |
18 | if (ret) |
| 19 | return dev_err_probe(&pdev->dev, ret, | |
| 20 | "Couldn't map SRAM to device\n"); | |
| 8818e865 IZ |
21 | |
| 22 | of_platform_populate(np, NULL, NULL, &pdev->dev); | |
| 23 | ||
| 24 | return 0; | |
| 25 | } | |
| 26 | ||
| 8b763a22 | 27 | static void sun50i_de2_bus_remove(struct platform_device *pdev) |
| 8818e865 IZ |
28 | { |
| 29 | sunxi_sram_release(&pdev->dev); | |
| 8818e865 IZ |
30 | } |
| 31 | ||
| 32 | static const struct of_device_id sun50i_de2_bus_of_match[] = { | |
| 33 | { .compatible = "allwinner,sun50i-a64-de2", }, | |
| 34 | { /* sentinel */ } | |
| 35 | }; | |
| 36 | ||
| 37 | static struct platform_driver sun50i_de2_bus_driver = { | |
| 38 | .probe = sun50i_de2_bus_probe, | |
| 8b763a22 | 39 | .remove_new = sun50i_de2_bus_remove, |
| 8818e865 IZ |
40 | .driver = { |
| 41 | .name = "sun50i-de2-bus", | |
| 42 | .of_match_table = sun50i_de2_bus_of_match, | |
| 43 | }, | |
| 44 | }; | |
| 45 | ||
| 46 | builtin_platform_driver(sun50i_de2_bus_driver); |