[Feature] add GA346 baseline version

Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/drivers/clk/mediatek/clk-mt6880-impe.c b/src/kernel/linux/v4.19/drivers/clk/mediatek/clk-mt6880-impe.c
new file mode 100755
index 0000000..da92a3e
--- /dev/null
+++ b/src/kernel/linux/v4.19/drivers/clk/mediatek/clk-mt6880-impe.c
@@ -0,0 +1,115 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/*
+
+ * Copyright (c) 2019 MediaTek Inc.
+
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/platform_device.h>
+
+#include "clk-mtk.h"
+#include "clk-gate.h"
+
+#include <dt-bindings/clock/mt6880-clk.h>
+
+#define MT_CLKMGR_MODULE_INIT	0
+
+#define MT_CCF_BRINGUP		1
+
+#define INV_OFS			-1
+
+
+
+static const struct mtk_gate_regs impe_cg_regs = {
+	.set_ofs = 0xe00,
+	.clr_ofs = 0xe00,
+	.sta_ofs = 0xe00,
+};
+
+#define GATE_IMPE(_id, _name, _parent, _shift) {	\
+		.id = _id,				\
+		.name = _name,				\
+		.parent_name = _parent,			\
+		.regs = &impe_cg_regs,			\
+		.shift = _shift,			\
+		.ops = &mtk_clk_gate_ops_no_setclr,	\
+	}
+
+static const struct mtk_gate impe_clks[] = {
+	GATE_IMPE(CLK_IMPE_AP_CLOCK_I2C0_RO, "impe_i2c0_ro",
+			"i2c_ck"/* parent */, 0),
+	GATE_IMPE(CLK_IMPE_AP_CLOCK_I2C1_RO, "impe_i2c1_ro",
+			"i2c_ck"/* parent */, 1),
+	GATE_IMPE(CLK_IMPE_AP_CLOCK_I2C2_RO, "impe_i2c2_ro",
+			"i2c_ck"/* parent */, 2),
+	GATE_IMPE(CLK_IMPE_AP_CLOCK_I2C3_RO, "impe_i2c3_ro",
+			"i2c_ck"/* parent */, 3),
+	GATE_IMPE(CLK_IMPE_AP_CLOCK_I2C4_RO, "impe_i2c4_ro",
+			"i2c_ck"/* parent */, 4),
+	GATE_IMPE(CLK_IMPE_AP_CLOCK_I2C5_RO, "impe_i2c5_ro",
+			"i2c_ck"/* parent */, 5),
+};
+
+static int clk_mt6880_impe_probe(struct platform_device *pdev)
+{
+	struct clk_onecell_data *clk_data;
+	int r;
+	struct device_node *node = pdev->dev.of_node;
+
+#if MT_CCF_BRINGUP
+	pr_notice("%s init begin\n", __func__);
+#endif
+
+	clk_data = mtk_alloc_clk_data(CLK_IMPE_NR_CLK);
+
+	mtk_clk_register_gates(node, impe_clks, ARRAY_SIZE(impe_clks),
+			clk_data);
+
+	r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
+
+	if (r)
+		pr_err("%s(): could not register clock provider: %d\n",
+			__func__, r);
+
+#if MT_CCF_BRINGUP
+	pr_notice("%s init end\n", __func__);
+#endif
+
+	return r;
+}
+
+static const struct of_device_id of_match_clk_mt6880_impe[] = {
+	{ .compatible = "mediatek,mt6880-imp_iic_wrap_e", },
+	{}
+};
+
+#if MT_CLKMGR_MODULE_INIT
+
+static struct platform_driver clk_mt6880_impe_drv = {
+	.probe = clk_mt6880_impe_probe,
+	.driver = {
+		.name = "clk-mt6880-impe",
+		.of_match_table = of_match_clk_mt6880_impe,
+	},
+};
+
+builtin_platform_driver(clk_mt6880_impe_drv);
+
+#else
+
+static struct platform_driver clk_mt6880_impe_drv = {
+	.probe = clk_mt6880_impe_probe,
+	.driver = {
+		.name = "clk-mt6880-impe",
+		.of_match_table = of_match_clk_mt6880_impe,
+	},
+};
+static int __init clk_mt6880_impe_platform_init(void)
+{
+	return platform_driver_register(&clk_mt6880_impe_drv);
+}
+arch_initcall(clk_mt6880_impe_platform_init);
+
+#endif	/* MT_CLKMGR_MODULE_INIT */