[Feature] add GA346 baseline version

Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/drivers/clk/mediatek/clk-mt6779-apu0.c b/src/kernel/linux/v4.19/drivers/clk/mediatek/clk-mt6779-apu0.c
new file mode 100644
index 0000000..49739b1
--- /dev/null
+++ b/src/kernel/linux/v4.19/drivers/clk/mediatek/clk-mt6779-apu0.c
@@ -0,0 +1,61 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2019 MediaTek Inc.
+ * Author: Wendell Lin <wendell.lin@mediatek.com>
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/platform_device.h>
+#include <dt-bindings/clock/mt6779-clk.h>
+
+#include "clk-mtk.h"
+#include "clk-gate.h"
+
+static const struct mtk_gate_regs apu0_cg_regs = {
+	.set_ofs = 0x0004,
+	.clr_ofs = 0x0008,
+	.sta_ofs = 0x0000,
+};
+
+#define GATE_APU0(_id, _name, _parent, _shift) {		\
+		.id = _id,				\
+		.name = _name,				\
+		.parent_name = _parent,			\
+		.regs = &apu0_cg_regs,			\
+		.shift = _shift,			\
+		.ops = &mtk_clk_gate_ops_setclr,	\
+	}
+
+static const struct mtk_gate apu0_clks[] = {
+	GATE_APU0(CLK_APU0_APU, "apu0_apu", "dsp1_sel", 0),
+	GATE_APU0(CLK_APU0_AXI_M, "apu0_axi", "dsp1_sel", 1),
+	GATE_APU0(CLK_APU0_JTAG, "apu0_jtag", "dsp1_sel", 2),
+};
+
+static const struct of_device_id of_match_clk_mt6779_apu0[] = {
+	{ .compatible = "mediatek,mt6779-apu0", },
+	{}
+};
+
+static int clk_mt6779_apu0_probe(struct platform_device *pdev)
+{
+	struct clk_onecell_data *clk_data;
+	struct device_node *node = pdev->dev.of_node;
+
+	clk_data = mtk_alloc_clk_data(CLK_APU0_NR_CLK);
+
+	mtk_clk_register_gates(node, apu0_clks, ARRAY_SIZE(apu0_clks),
+			       clk_data);
+
+	return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
+}
+
+static struct platform_driver clk_mt6779_apu0_drv = {
+	.probe = clk_mt6779_apu0_probe,
+	.driver = {
+		.name = "clk-mt6779-apu0",
+		.of_match_table = of_match_clk_mt6779_apu0,
+	},
+};
+
+builtin_platform_driver(clk_mt6779_apu0_drv);