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	Display Port (DP) has own dma driver that's why add this skeleton driver only for handling power domain setting and send configuration object to PMUFW to enable it. Signed-off-by: Michal Simek <michal.simek@xilinx.com> Link: https://lore.kernel.org/r/fe8bc313bcd430b04e9fa6fb770d5799ef28b350.1645627920.git.michal.simek@xilinx.com
		
			
				
	
	
		
			44 lines
		
	
	
		
			859 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			44 lines
		
	
	
		
			859 B
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0
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| /*
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|  * Copyright (C) 2021 Xilinx Inc.
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|  */
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| 
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| #include <common.h>
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| #include <cpu_func.h>
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| #include <dm.h>
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| #include <dma.h>
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| #include <dma-uclass.h>
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| #include <errno.h>
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| #include <dm/device_compat.h>
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| 
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| /**
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|  * struct zynqmp_dpdma_priv - Private structure
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|  * @dev: Device uclass for video_ops
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|  */
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| struct zynqmp_dpdma_priv {
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| 	struct udevice *dev;
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| };
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| 
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| static int zynqmp_dpdma_probe(struct udevice *dev)
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| {
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| 	/* Only placeholder for power domain driver */
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| 	return 0;
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| }
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| 
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| static const struct dma_ops zynqmp_dpdma_ops = {
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| };
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| 
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| static const struct udevice_id zynqmp_dpdma_ids[] = {
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| 	{ .compatible = "xlnx,zynqmp-dpdma" },
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| 	{ }
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| };
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| 
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| U_BOOT_DRIVER(zynqmp_dpdma) = {
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| 	.name = "zynqmp_dpdma",
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| 	.id = UCLASS_DMA,
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| 	.of_match = zynqmp_dpdma_ids,
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| 	.ops = &zynqmp_dpdma_ops,
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| 	.probe = zynqmp_dpdma_probe,
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| 	.priv_auto = sizeof(struct zynqmp_dpdma_priv),
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| };
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