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47 lines
1.1 KiB
47 lines
1.1 KiB
// SPDX-License-Identifier: GPL-2.0 |
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/* |
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* Allwinner A64 Display Engine 2.0 Bus Driver |
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* |
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* Copyright (C) 2018 Icenowy Zheng <[email protected]> |
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*/ |
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#include <linux/of_platform.h> |
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#include <linux/platform_device.h> |
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#include <linux/soc/sunxi/sunxi_sram.h> |
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static int sun50i_de2_bus_probe(struct platform_device *pdev) |
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{ |
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struct device_node *np = pdev->dev.of_node; |
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int ret; |
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ret = sunxi_sram_claim(&pdev->dev); |
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if (ret) |
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return dev_err_probe(&pdev->dev, ret, |
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"Couldn't map SRAM to device\n"); |
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of_platform_populate(np, NULL, NULL, &pdev->dev); |
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return 0; |
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} |
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static int sun50i_de2_bus_remove(struct platform_device *pdev) |
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{ |
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sunxi_sram_release(&pdev->dev); |
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return 0; |
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} |
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static const struct of_device_id sun50i_de2_bus_of_match[] = { |
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{ .compatible = "allwinner,sun50i-a64-de2", }, |
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{ /* sentinel */ } |
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}; |
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static struct platform_driver sun50i_de2_bus_driver = { |
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.probe = sun50i_de2_bus_probe, |
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.remove = sun50i_de2_bus_remove, |
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.driver = { |
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.name = "sun50i-de2-bus", |
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.of_match_table = sun50i_de2_bus_of_match, |
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}, |
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}; |
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builtin_platform_driver(sun50i_de2_bus_driver);
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