// 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);