Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 166 insertions, 0 deletions

diff --git a/drivers/clk/mediatek/clk-mt8365-apmixedsys.c b/drivers/clk/mediatek/clk-mt8365-apmixedsys.c
new file mode 100644
index 0000000000..9b0bc5daea
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt8365-apmixedsys.c
@@ -0,0 +1,166 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ * Copyright (c) 2023 Collabora Ltd.
+ */
+
+#include <dt-bindings/clock/mediatek,mt8365-clk.h>
+#include <linux/clk.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+
+#include "clk-pll.h"
+#include "clk-mtk.h"
+
+#define MT8365_PLL_FMAX		(3800UL * MHZ)
+#define MT8365_PLL_FMIN		(1500UL * MHZ)
+#define CON0_MT8365_RST_BAR	BIT(23)
+
+#define PLL_B(_id, _name, _reg, _pwr_reg, _en_mask, _flags, _pcwbits,	\
+		_pd_reg, _pd_shift, _tuner_reg, _tuner_en_reg,		\
+		_tuner_en_bit,	_pcw_reg, _pcw_shift, _div_table,	\
+		_rst_bar_mask, _pcw_chg_reg) {				\
+		.id = _id,						\
+		.name = _name,						\
+		.reg = _reg,						\
+		.pwr_reg = _pwr_reg,					\
+		.en_mask = _en_mask,					\
+		.flags = _flags,					\
+		.rst_bar_mask = _rst_bar_mask,				\
+		.fmax = MT8365_PLL_FMAX,				\
+		.fmin = MT8365_PLL_FMIN,				\
+		.pcwbits = _pcwbits,					\
+		.pcwibits = 8,						\
+		.pd_reg = _pd_reg,					\
+		.pd_shift = _pd_shift,					\
+		.tuner_reg = _tuner_reg,				\
+		.tuner_en_reg = _tuner_en_reg,				\
+		.tuner_en_bit = _tuner_en_bit,				\
+		.pcw_reg = _pcw_reg,					\
+		.pcw_shift = _pcw_shift,				\
+		.pcw_chg_reg = _pcw_chg_reg,				\
+		.div_table = _div_table,				\
+	}
+
+#define PLL(_id, _name, _reg, _pwr_reg, _en_mask, _flags, _pcwbits,	\
+			_pd_reg, _pd_shift, _tuner_reg,			\
+			_tuner_en_reg, _tuner_en_bit, _pcw_reg,		\
+			_pcw_shift, _rst_bar_mask, _pcw_chg_reg)	\
+		PLL_B(_id, _name, _reg, _pwr_reg, _en_mask, _flags,	\
+			_pcwbits, _pd_reg, _pd_shift,			\
+			_tuner_reg, _tuner_en_reg, _tuner_en_bit,	\
+			_pcw_reg, _pcw_shift, NULL, _rst_bar_mask,	\
+			_pcw_chg_reg)					\
+
+static const struct mtk_pll_div_table armpll_div_table[] = {
+	{ .div = 0, .freq = MT8365_PLL_FMAX },
+	{ .div = 1, .freq = 1500 * MHZ },
+	{ .div = 2, .freq = 750 * MHZ },
+	{ .div = 3, .freq = 375 * MHZ },
+	{ .div = 4, .freq = 182500000 },
+	{ } /* sentinel */
+};
+
+static const struct mtk_pll_div_table mfgpll_div_table[] = {
+	{ .div = 0, .freq = MT8365_PLL_FMAX },
+	{ .div = 1, .freq = 1600 * MHZ },
+	{ .div = 2, .freq = 800 * MHZ },
+	{ .div = 3, .freq = 400 * MHZ },
+	{ .div = 4, .freq = 200 * MHZ },
+	{ } /* sentinel */
+};
+
+static const struct mtk_pll_div_table dsppll_div_table[] = {
+	{ .div = 0, .freq = MT8365_PLL_FMAX },
+	{ .div = 1, .freq = 1600 * MHZ },
+	{ .div = 2, .freq = 600 * MHZ },
+	{ .div = 3, .freq = 400 * MHZ },
+	{ .div = 4, .freq = 200 * MHZ },
+	{ } /* sentinel */
+};
+
+static const struct mtk_pll_data plls[] = {
+	PLL_B(CLK_APMIXED_ARMPLL, "armpll", 0x030C, 0x0318, 0x00000001, PLL_AO,
+	      22, 0x0310, 24, 0, 0, 0, 0x0310, 0, armpll_div_table, 0, 0),
+	PLL(CLK_APMIXED_MAINPLL, "mainpll", 0x0228, 0x0234, 0xFF000001,
+	    HAVE_RST_BAR, 22, 0x022C, 24, 0, 0, 0, 0x022C, 0, CON0_MT8365_RST_BAR, 0),
+	PLL(CLK_APMIXED_UNIVPLL, "univpll2", 0x0208, 0x0214, 0xFF000001,
+	    HAVE_RST_BAR, 22, 0x020C, 24, 0, 0, 0, 0x020C, 0, CON0_MT8365_RST_BAR, 0),
+	PLL_B(CLK_APMIXED_MFGPLL, "mfgpll", 0x0218, 0x0224, 0x00000001, 0, 22,
+	      0x021C, 24, 0, 0, 0, 0x021C, 0, mfgpll_div_table, 0, 0),
+	PLL(CLK_APMIXED_MSDCPLL, "msdcpll", 0x0350, 0x035C, 0x00000001, 0, 22,
+	    0x0354, 24, 0, 0, 0, 0x0354, 0, 0, 0),
+	PLL(CLK_APMIXED_MMPLL, "mmpll", 0x0330, 0x033C, 0x00000001, 0, 22,
+	    0x0334, 24, 0, 0, 0, 0x0334, 0, 0, 0),
+	PLL(CLK_APMIXED_APLL1, "apll1", 0x031C, 0x032C, 0x00000001, 0, 32,
+	    0x0320, 24, 0x0040, 0x000C, 0, 0x0324, 0, 0, 0x0320),
+	PLL(CLK_APMIXED_APLL2, "apll2", 0x0360, 0x0370, 0x00000001, 0, 32,
+	    0x0364, 24, 0x004C, 0x000C, 5, 0x0368, 0, 0, 0x0364),
+	PLL(CLK_APMIXED_LVDSPLL, "lvdspll", 0x0374, 0x0380, 0x00000001, 0, 22,
+	    0x0378, 24, 0, 0, 0, 0x0378, 0, 0, 0),
+	PLL_B(CLK_APMIXED_DSPPLL, "dsppll", 0x0390, 0x039C, 0x00000001, 0, 22,
+	      0x0394, 24, 0, 0, 0, 0x0394, 0, dsppll_div_table, 0, 0),
+	PLL(CLK_APMIXED_APUPLL, "apupll", 0x03A0, 0x03AC, 0x00000001, 0, 22,
+	    0x03A4, 24, 0, 0, 0, 0x03A4, 0, 0, 0),
+};
+
+static int clk_mt8365_apmixed_probe(struct platform_device *pdev)
+{
+	void __iomem *base;
+	struct clk_hw_onecell_data *clk_data;
+	struct device_node *node = pdev->dev.of_node;
+	struct device *dev = &pdev->dev;
+	struct clk_hw *hw;
+	int ret;
+
+	base = devm_platform_ioremap_resource(pdev, 0);
+	if (IS_ERR(base))
+		return PTR_ERR(base);
+
+	clk_data = mtk_devm_alloc_clk_data(dev, CLK_APMIXED_NR_CLK);
+	if (!clk_data)
+		return -ENOMEM;
+
+	hw = devm_clk_hw_register_gate(dev, "univ_en", "univpll2", 0,
+				       base + 0x204, 0, 0, NULL);
+	if (IS_ERR(hw))
+		return PTR_ERR(hw);
+	clk_data->hws[CLK_APMIXED_UNIV_EN] = hw;
+
+	hw = devm_clk_hw_register_gate(dev, "usb20_en", "univ_en", 0,
+				       base + 0x204, 1, 0, NULL);
+	if (IS_ERR(hw))
+		return PTR_ERR(hw);
+	clk_data->hws[CLK_APMIXED_USB20_EN] = hw;
+
+	ret = mtk_clk_register_plls(node, plls, ARRAY_SIZE(plls), clk_data);
+	if (ret)
+		return ret;
+
+	ret = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
+	if (ret)
+		goto unregister_plls;
+
+	return 0;
+
+unregister_plls:
+	mtk_clk_unregister_plls(plls, ARRAY_SIZE(plls), clk_data);
+
+	return ret;
+}
+
+static const struct of_device_id of_match_clk_mt8365_apmixed[] = {
+	{ .compatible = "mediatek,mt8365-apmixedsys" },
+	{ /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, of_match_clk_mt8365_apmixed);
+
+static struct platform_driver clk_mt8365_apmixed_drv = {
+	.probe = clk_mt8365_apmixed_probe,
+	.driver = {
+		.name = "clk-mt8365-apmixed",
+		.of_match_table = of_match_clk_mt8365_apmixed,
+	},
+};
+builtin_platform_driver(clk_mt8365_apmixed_drv)
+MODULE_LICENSE("GPL");