[][upload mt7986 clk drivers]
[Description]
Add mt7986 clk drivers
[Release-log]
upload mt7986 clk drivers
Change-Id: Ib8a69876fed9b78dd155debd807a4e42e7ff4eed
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/4573256
diff --git a/target/linux/mediatek/files-5.4/drivers/clk/mediatek/clk-bringup.c b/target/linux/mediatek/files-5.4/drivers/clk/mediatek/clk-bringup.c
new file mode 100644
index 0000000..ad1f092
--- /dev/null
+++ b/target/linux/mediatek/files-5.4/drivers/clk/mediatek/clk-bringup.c
@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2015 MediaTek Inc.
+ * Author: James Liao <jamesjj.liao@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#define pr_fmt(fmt) "[clk-bringup] " fmt
+
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_platform.h>
+
+static const struct of_device_id bring_up_id_table[] = {
+ { .compatible = "mediatek,clk-bring-up",},
+ { .compatible = "mediatek,mt8163-bring-up",},
+ { .compatible = "mediatek,mt8173-bring-up",},
+ { },
+};
+MODULE_DEVICE_TABLE(of, bring_up_id_table);
+
+static int bring_up_probe(struct platform_device *pdev)
+{
+ const int NR_CLKS = 300;
+ char clk_name_buf[16];
+ struct clk *clk;
+ int i, r;
+
+ for (i = 0; i < NR_CLKS; i++) {
+ sprintf(clk_name_buf, "%d", i);
+
+ clk = devm_clk_get(&pdev->dev, clk_name_buf);
+ if (!IS_ERR(clk)) {
+ r = clk_prepare_enable(clk);
+ if (r)
+ pr_debug("clk_prepare_enable(%s): %d\n",
+ __clk_get_name(clk), r);
+ }
+ }
+
+ return 0;
+}
+
+static int bring_up_remove(struct platform_device *pdev)
+{
+ return 0;
+}
+
+static struct platform_driver bring_up = {
+ .probe = bring_up_probe,
+ .remove = bring_up_remove,
+ .driver = {
+ .name = "bring_up",
+ .owner = THIS_MODULE,
+ .of_match_table = bring_up_id_table,
+ },
+};
+
+module_platform_driver(bring_up);