1 files changed, 76 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt2701-eth.c b/drivers/clk/mediatek/clk-mt2701-eth.c
new file mode 100644
index 000000000..601358748
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt2701-eth.c
@@ -0,0 +1,76 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2014 MediaTek Inc.
+ * Author: Shunli Wang <shunli.wang@mediatek.com>
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/platform_device.h>
+
+#include "clk-mtk.h"
+#include "clk-gate.h"
+
+#include <dt-bindings/clock/mt2701-clk.h>
+
+static const struct mtk_gate_regs eth_cg_regs = {
+	.sta_ofs = 0x0030,
+};
+
+#define GATE_ETH(_id, _name, _parent, _shift)			\
+	GATE_MTK(_id, _name, _parent, &eth_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr_inv)
+
+static const struct mtk_gate eth_clks[] = {
+	GATE_ETH(CLK_ETHSYS_HSDMA, "hsdma_clk", "ethif_sel", 5),
+	GATE_ETH(CLK_ETHSYS_ESW, "esw_clk", "ethpll_500m_ck", 6),
+	GATE_ETH(CLK_ETHSYS_GP2, "gp2_clk", "trgpll", 7),
+	GATE_ETH(CLK_ETHSYS_GP1, "gp1_clk", "ethpll_500m_ck", 8),
+	GATE_ETH(CLK_ETHSYS_PCM, "pcm_clk", "ethif_sel", 11),
+	GATE_ETH(CLK_ETHSYS_GDMA, "gdma_clk", "ethif_sel", 14),
+	GATE_ETH(CLK_ETHSYS_I2S, "i2s_clk", "ethif_sel", 17),
+	GATE_ETH(CLK_ETHSYS_CRYPTO, "crypto_clk", "ethif_sel", 29),
+};
+
+static u16 rst_ofs[] = { 0x34, };
+
+static const struct mtk_clk_rst_desc clk_rst_desc = {
+	.version = MTK_RST_SIMPLE,
+	.rst_bank_ofs = rst_ofs,
+	.rst_bank_nr = ARRAY_SIZE(rst_ofs),
+};
+
+static const struct of_device_id of_match_clk_mt2701_eth[] = {
+	{ .compatible = "mediatek,mt2701-ethsys", },
+	{}
+};
+
+static int clk_mt2701_eth_probe(struct platform_device *pdev)
+{
+	struct clk_hw_onecell_data *clk_data;
+	int r;
+	struct device_node *node = pdev->dev.of_node;
+
+	clk_data = mtk_alloc_clk_data(CLK_ETHSYS_NR);
+
+	mtk_clk_register_gates(node, eth_clks, ARRAY_SIZE(eth_clks),
+						clk_data);
+
+	r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
+	if (r)
+		dev_err(&pdev->dev,
+			"could not register clock provider: %s: %d\n",
+			pdev->name, r);
+
+	mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc);
+
+	return r;
+}
+
+static struct platform_driver clk_mt2701_eth_drv = {
+	.probe = clk_mt2701_eth_probe,
+	.driver = {
+		.name = "clk-mt2701-eth",
+		.of_match_table = of_match_clk_mt2701_eth,
+	},
+};
+
+builtin_platform_driver(clk_mt2701_eth_drv);