[Feature] add GA346 baseline version

Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/drivers/clk/mediatek/clk-mt8168-apu.c b/src/kernel/linux/v4.19/drivers/clk/mediatek/clk-mt8168-apu.c
new file mode 100644
index 0000000..62717e7
--- /dev/null
+++ b/src/kernel/linux/v4.19/drivers/clk/mediatek/clk-mt8168-apu.c
@@ -0,0 +1,71 @@
+// 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/mt8168-clk.h>
+
+static const struct mtk_gate_regs apu_cg_regs = {
+	.set_ofs = 0x4,
+	.clr_ofs = 0x8,
+	.sta_ofs = 0x0,
+};
+
+#define GATE_APU(_id, _name, _parent, _shift) {	\
+		.id = _id,			\
+		.name = _name,			\
+		.parent_name = _parent,		\
+		.regs = &apu_cg_regs,		\
+		.shift = _shift,		\
+		.ops = &mtk_clk_gate_ops_setclr,	\
+	}
+
+static const struct mtk_gate apu_clks[] = {
+	GATE_APU(CLK_APU_AHB, "apu_ahb", "ifr_apu_axi", 5),
+	GATE_APU(CLK_APU_EDMA, "apu_edma", "apu_sel", 4),
+	GATE_APU(CLK_APU_IF_CK, "apu_if_ck", "apu_if_sel", 3),
+	GATE_APU(CLK_APU_JTAG, "apu_jtag", "clk26m_ck", 2),
+	GATE_APU(CLK_APU_AXI, "apu_axi", "apu_sel", 1),
+	GATE_APU(CLK_APU_IPU_CK, "apu_ck", "apu_sel", 0),
+};
+
+static int clk_mt8168_apu_probe(struct platform_device *pdev)
+{
+	struct clk_onecell_data *clk_data;
+	int r;
+	struct device_node *node = pdev->dev.of_node;
+
+	clk_data = mtk_alloc_clk_data(CLK_APU_NR_CLK);
+
+	mtk_clk_register_gates(node, apu_clks, ARRAY_SIZE(apu_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);
+
+	return r;
+}
+
+static const struct of_device_id of_match_clk_mt8168_apu[] = {
+	{ .compatible = "mediatek,mt8168-apu", },
+	{}
+};
+
+static struct platform_driver clk_mt8168_apu_drv = {
+	.probe = clk_mt8168_apu_probe,
+	.driver = {
+		.name = "clk-mt8168-apu",
+		.of_match_table = of_match_clk_mt8168_apu,
+	},
+};
+
+builtin_platform_driver(clk_mt8168_apu_drv);