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git://nv-tegra.nvidia.com/linux-nv-oot.git
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edc5ed31aa
Bug 3860578 Change-Id: I03290657d6a0fad019b1b5126dea0d091769cc45 Signed-off-by: Abhilash G <abhilashg@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2808727 Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com> GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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// Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
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#include <linux/of.h>
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#include <linux/of_fdt.h>
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#include <linux/ioport.h>
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#include <linux/io.h>
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#include <linux/highmem.h>
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static int __init display_tegra_dts_info(void)
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{
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int ret_d;
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int ret_t;
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int ret_dtb;
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const char *dtb;
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const char *dtb_bdate;
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const char *dtb_btime;
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struct device_node *root;
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root = of_find_node_by_path("/");
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if (!root)
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pr_info("root node NULL\n");
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ret_dtb = of_property_read_string_index(root,
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"nvidia,dtsfilename", 0, &dtb);
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if (!ret_dtb)
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pr_err("DTS File Name: %s\n", dtb);
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else
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pr_err("DTS File Name: <unknown>\n");
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ret_d = of_property_read_string_index(root,
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"nvidia,dtbbuildtime", 0, &dtb_bdate);
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ret_t = of_property_read_string_index(root,
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"nvidia,dtbbuildtime", 1, &dtb_btime);
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if (!ret_d && !ret_t)
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pr_err("DTB Build time: %s %s\n", dtb_bdate, dtb_btime);
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else
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pr_err("DTB Build time: <unknown>\n");
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if (root)
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of_node_put(root);
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return 0;
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}
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module_init(display_tegra_dts_info);
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MODULE_LICENSE("GPL v2");
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