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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2014 MediaTek Inc.
* James Liao <jamesjj.liao@mediatek.com>
* Copyright (c) 2023 Collabora, Ltd.
* AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
*/
#include <dt-bindings/clock/mt8135-clk.h>
#include <linux/clk.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include "clk-mtk.h"
#include "clk-pll.h"
#define MT8135_PLL_FMAX (2000 * MHZ)
#define CON0_MT8135_RST_BAR BIT(27)
#define PLL(_id, _name, _reg, _pwr_reg, _en_mask, _flags, _pcwbits, _pd_reg, _pd_shift, _tuner_reg, _pcw_reg, _pcw_shift) { \
.id = _id, \
.name = _name, \
.reg = _reg, \
.pwr_reg = _pwr_reg, \
.en_mask = _en_mask, \
.flags = _flags, \
.rst_bar_mask = CON0_MT8135_RST_BAR, \
.fmax = MT8135_PLL_FMAX, \
.pcwbits = _pcwbits, \
.pd_reg = _pd_reg, \
.pd_shift = _pd_shift, \
.tuner_reg = _tuner_reg, \
.pcw_reg = _pcw_reg, \
.pcw_shift = _pcw_shift, \
}
static const struct mtk_pll_data plls[] = {
PLL(CLK_APMIXED_ARMPLL1, "armpll1", 0x200, 0x218, 0x80000000, 0, 21, 0x204, 24, 0x0, 0x204, 0),
PLL(CLK_APMIXED_ARMPLL2, "armpll2", 0x2cc, 0x2e4, 0x80000000, 0, 21, 0x2d0, 24, 0x0, 0x2d0, 0),
PLL(CLK_APMIXED_MAINPLL, "mainpll", 0x21c, 0x234, 0xf0000000, HAVE_RST_BAR, 21, 0x21c, 6, 0x0, 0x220, 0),
PLL(CLK_APMIXED_UNIVPLL, "univpll", 0x238, 0x250, 0xf3000000, HAVE_RST_BAR, 7, 0x238, 6, 0x0, 0x238, 9),
PLL(CLK_APMIXED_MMPLL, "mmpll", 0x254, 0x26c, 0xf0000000, HAVE_RST_BAR, 21, 0x254, 6, 0x0, 0x258, 0),
PLL(CLK_APMIXED_MSDCPLL, "msdcpll", 0x278, 0x290, 0x80000000, 0, 21, 0x278, 6, 0x0, 0x27c, 0),
PLL(CLK_APMIXED_TVDPLL, "tvdpll", 0x294, 0x2ac, 0x80000000, 0, 31, 0x294, 6, 0x0, 0x298, 0),
PLL(CLK_APMIXED_LVDSPLL, "lvdspll", 0x2b0, 0x2c8, 0x80000000, 0, 21, 0x2b0, 6, 0x0, 0x2b4, 0),
PLL(CLK_APMIXED_AUDPLL, "audpll", 0x2e8, 0x300, 0x80000000, 0, 31, 0x2e8, 6, 0x2f8, 0x2ec, 0),
PLL(CLK_APMIXED_VDECPLL, "vdecpll", 0x304, 0x31c, 0x80000000, 0, 21, 0x2b0, 6, 0x0, 0x308, 0),
};
static int clk_mt8135_apmixed_probe(struct platform_device *pdev)
{
struct clk_hw_onecell_data *clk_data;
struct device_node *node = pdev->dev.of_node;
int ret;
clk_data = mtk_alloc_clk_data(CLK_APMIXED_NR_CLK);
if (!clk_data)
return -ENOMEM;
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 int clk_mt8135_apmixed_remove(struct platform_device *pdev)
{
struct device_node *node = pdev->dev.of_node;
struct clk_hw_onecell_data *clk_data = platform_get_drvdata(pdev);
of_clk_del_provider(node);
mtk_clk_unregister_plls(plls, ARRAY_SIZE(plls), clk_data);
mtk_free_clk_data(clk_data);
return 0;
}
static const struct of_device_id of_match_clk_mt8135_apmixed[] = {
{ .compatible = "mediatek,mt8135-apmixedsys" },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, of_match_clk_mt8135_apmixed);
static struct platform_driver clk_mt8135_apmixed_drv = {
.probe = clk_mt8135_apmixed_probe,
.remove = clk_mt8135_apmixed_remove,
.driver = {
.name = "clk-mt8135-apmixed",
.of_match_table = of_match_clk_mt8135_apmixed,
},
};
module_platform_driver(clk_mt8135_apmixed_drv)
MODULE_DESCRIPTION("MediaTek MT8135 apmixedsys clocks driver");
MODULE_LICENSE("GPL");
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