mirror of
https://github.com/torvalds/linux.git
synced 2024-12-05 02:23:16 +00:00
65c9ad77cb
Add a MODULE_DEVICE_TABLE() on all clocks that can be built as modules to allow auto-load at boot. Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Reviewed-by: Chen-Yu Tsai <wenst@chromium.org> Tested-by: Miles Chen <miles.chen@mediatek.com> Tested-by: Chen-Yu Tsai <wenst@chromium.org> # MT8183, MT8192, MT8195 Chromebooks Link: https://lore.kernel.org/r/20230306140543.1813621-50-angelogioacchino.delregno@collabora.com Signed-off-by: Stephen Boyd <sboyd@kernel.org>
218 lines
6.7 KiB
C
218 lines
6.7 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
/*
|
|
* Copyright (c) 2014 MediaTek Inc.
|
|
* Copyright (c) 2022 Collabora Ltd.
|
|
* Author: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
|
|
*/
|
|
|
|
#include <dt-bindings/clock/mt8173-clk.h>
|
|
#include <linux/of_address.h>
|
|
#include <linux/module.h>
|
|
#include <linux/platform_device.h>
|
|
#include "clk-fhctl.h"
|
|
#include "clk-mtk.h"
|
|
#include "clk-pll.h"
|
|
#include "clk-pllfh.h"
|
|
|
|
#define REGOFF_REF2USB 0x8
|
|
#define REGOFF_HDMI_REF 0x40
|
|
|
|
#define MT8173_PLL_FMAX (3000UL * MHZ)
|
|
|
|
#define CON0_MT8173_RST_BAR BIT(24)
|
|
|
|
#define PLL_B(_id, _name, _reg, _pwr_reg, _en_mask, _flags, _pcwbits, \
|
|
_pd_reg, _pd_shift, _tuner_reg, _pcw_reg, \
|
|
_pcw_shift, _div_table) { \
|
|
.id = _id, \
|
|
.name = _name, \
|
|
.reg = _reg, \
|
|
.pwr_reg = _pwr_reg, \
|
|
.en_mask = _en_mask, \
|
|
.flags = _flags, \
|
|
.rst_bar_mask = CON0_MT8173_RST_BAR, \
|
|
.fmax = MT8173_PLL_FMAX, \
|
|
.pcwbits = _pcwbits, \
|
|
.pd_reg = _pd_reg, \
|
|
.pd_shift = _pd_shift, \
|
|
.tuner_reg = _tuner_reg, \
|
|
.pcw_reg = _pcw_reg, \
|
|
.pcw_shift = _pcw_shift, \
|
|
.div_table = _div_table, \
|
|
}
|
|
|
|
#define PLL(_id, _name, _reg, _pwr_reg, _en_mask, _flags, _pcwbits, \
|
|
_pd_reg, _pd_shift, _tuner_reg, _pcw_reg, \
|
|
_pcw_shift) \
|
|
PLL_B(_id, _name, _reg, _pwr_reg, _en_mask, _flags, _pcwbits, \
|
|
_pd_reg, _pd_shift, _tuner_reg, _pcw_reg, _pcw_shift, \
|
|
NULL)
|
|
|
|
static const struct mtk_pll_div_table mmpll_div_table[] = {
|
|
{ .div = 0, .freq = MT8173_PLL_FMAX },
|
|
{ .div = 1, .freq = 1000000000 },
|
|
{ .div = 2, .freq = 702000000 },
|
|
{ .div = 3, .freq = 253500000 },
|
|
{ .div = 4, .freq = 126750000 },
|
|
{ } /* sentinel */
|
|
};
|
|
|
|
static const struct mtk_pll_data plls[] = {
|
|
PLL(CLK_APMIXED_ARMCA15PLL, "armca15pll", 0x200, 0x20c, 0, PLL_AO,
|
|
21, 0x204, 24, 0x0, 0x204, 0),
|
|
PLL(CLK_APMIXED_ARMCA7PLL, "armca7pll", 0x210, 0x21c, 0, PLL_AO,
|
|
21, 0x214, 24, 0x0, 0x214, 0),
|
|
PLL(CLK_APMIXED_MAINPLL, "mainpll", 0x220, 0x22c, 0xf0000100, HAVE_RST_BAR, 21,
|
|
0x220, 4, 0x0, 0x224, 0),
|
|
PLL(CLK_APMIXED_UNIVPLL, "univpll", 0x230, 0x23c, 0xfe000000, HAVE_RST_BAR, 7,
|
|
0x230, 4, 0x0, 0x234, 14),
|
|
PLL_B(CLK_APMIXED_MMPLL, "mmpll", 0x240, 0x24c, 0, 0, 21, 0x244, 24, 0x0,
|
|
0x244, 0, mmpll_div_table),
|
|
PLL(CLK_APMIXED_MSDCPLL, "msdcpll", 0x250, 0x25c, 0, 0, 21, 0x250, 4, 0x0, 0x254, 0),
|
|
PLL(CLK_APMIXED_VENCPLL, "vencpll", 0x260, 0x26c, 0, 0, 21, 0x260, 4, 0x0, 0x264, 0),
|
|
PLL(CLK_APMIXED_TVDPLL, "tvdpll", 0x270, 0x27c, 0, 0, 21, 0x270, 4, 0x0, 0x274, 0),
|
|
PLL(CLK_APMIXED_MPLL, "mpll", 0x280, 0x28c, 0, 0, 21, 0x280, 4, 0x0, 0x284, 0),
|
|
PLL(CLK_APMIXED_VCODECPLL, "vcodecpll", 0x290, 0x29c, 0, 0, 21, 0x290, 4, 0x0, 0x294, 0),
|
|
PLL(CLK_APMIXED_APLL1, "apll1", 0x2a0, 0x2b0, 0, 0, 31, 0x2a0, 4, 0x2a4, 0x2a4, 0),
|
|
PLL(CLK_APMIXED_APLL2, "apll2", 0x2b4, 0x2c4, 0, 0, 31, 0x2b4, 4, 0x2b8, 0x2b8, 0),
|
|
PLL(CLK_APMIXED_LVDSPLL, "lvdspll", 0x2d0, 0x2dc, 0, 0, 21, 0x2d0, 4, 0x0, 0x2d4, 0),
|
|
PLL(CLK_APMIXED_MSDCPLL2, "msdcpll2", 0x2f0, 0x2fc, 0, 0, 21, 0x2f0, 4, 0x0, 0x2f4, 0),
|
|
};
|
|
|
|
enum fh_pll_id {
|
|
FH_ARMCA7PLL,
|
|
FH_ARMCA15PLL,
|
|
FH_MAINPLL,
|
|
FH_MPLL,
|
|
FH_MSDCPLL,
|
|
FH_MMPLL,
|
|
FH_VENCPLL,
|
|
FH_TVDPLL,
|
|
FH_VCODECPLL,
|
|
FH_LVDSPLL,
|
|
FH_MSDC2PLL,
|
|
FH_NR_FH,
|
|
};
|
|
|
|
#define FH(_pllid, _fhid, _offset) { \
|
|
.data = { \
|
|
.pll_id = _pllid, \
|
|
.fh_id = _fhid, \
|
|
.fh_ver = FHCTL_PLLFH_V1, \
|
|
.fhx_offset = _offset, \
|
|
.dds_mask = GENMASK(21, 0), \
|
|
.slope0_value = 0x6003c97, \
|
|
.slope1_value = 0x6003c97, \
|
|
.sfstrx_en = BIT(2), \
|
|
.frddsx_en = BIT(1), \
|
|
.fhctlx_en = BIT(0), \
|
|
.tgl_org = BIT(31), \
|
|
.dvfs_tri = BIT(31), \
|
|
.pcwchg = BIT(31), \
|
|
.dt_val = 0x0, \
|
|
.df_val = 0x9, \
|
|
.updnlmt_shft = 16, \
|
|
.msk_frddsx_dys = GENMASK(23, 20), \
|
|
.msk_frddsx_dts = GENMASK(19, 16), \
|
|
}, \
|
|
}
|
|
|
|
static struct mtk_pllfh_data pllfhs[] = {
|
|
FH(CLK_APMIXED_ARMCA7PLL, FH_ARMCA7PLL, 0x38),
|
|
FH(CLK_APMIXED_ARMCA15PLL, FH_ARMCA15PLL, 0x4c),
|
|
FH(CLK_APMIXED_MAINPLL, FH_MAINPLL, 0x60),
|
|
FH(CLK_APMIXED_MPLL, FH_MPLL, 0x74),
|
|
FH(CLK_APMIXED_MSDCPLL, FH_MSDCPLL, 0x88),
|
|
FH(CLK_APMIXED_MMPLL, FH_MMPLL, 0x9c),
|
|
FH(CLK_APMIXED_VENCPLL, FH_VENCPLL, 0xb0),
|
|
FH(CLK_APMIXED_TVDPLL, FH_TVDPLL, 0xc4),
|
|
FH(CLK_APMIXED_VCODECPLL, FH_VCODECPLL, 0xd8),
|
|
FH(CLK_APMIXED_LVDSPLL, FH_LVDSPLL, 0xec),
|
|
FH(CLK_APMIXED_MSDCPLL2, FH_MSDC2PLL, 0x100),
|
|
};
|
|
|
|
static const struct of_device_id of_match_clk_mt8173_apmixed[] = {
|
|
{ .compatible = "mediatek,mt8173-apmixedsys" },
|
|
{ /* sentinel */ }
|
|
};
|
|
MODULE_DEVICE_TABLE(of, of_match_clk_mt8173_apmixed);
|
|
|
|
static int clk_mt8173_apmixed_probe(struct platform_device *pdev)
|
|
{
|
|
const u8 *fhctl_node = "mediatek,mt8173-fhctl";
|
|
struct device_node *node = pdev->dev.of_node;
|
|
struct clk_hw_onecell_data *clk_data;
|
|
void __iomem *base;
|
|
struct clk_hw *hw;
|
|
int r;
|
|
|
|
base = of_iomap(node, 0);
|
|
if (!base)
|
|
return PTR_ERR(base);
|
|
|
|
clk_data = mtk_alloc_clk_data(CLK_APMIXED_NR_CLK);
|
|
if (IS_ERR_OR_NULL(clk_data))
|
|
return -ENOMEM;
|
|
|
|
fhctl_parse_dt(fhctl_node, pllfhs, ARRAY_SIZE(pllfhs));
|
|
r = mtk_clk_register_pllfhs(node, plls, ARRAY_SIZE(plls),
|
|
pllfhs, ARRAY_SIZE(pllfhs), clk_data);
|
|
if (r)
|
|
goto free_clk_data;
|
|
|
|
hw = mtk_clk_register_ref2usb_tx("ref2usb_tx", "clk26m", base + REGOFF_REF2USB);
|
|
if (IS_ERR(hw)) {
|
|
r = PTR_ERR(hw);
|
|
dev_err(&pdev->dev, "Failed to register ref2usb_tx: %d\n", r);
|
|
goto unregister_plls;
|
|
}
|
|
clk_data->hws[CLK_APMIXED_REF2USB_TX] = hw;
|
|
|
|
hw = devm_clk_hw_register_divider(&pdev->dev, "hdmi_ref", "tvdpll_594m", 0,
|
|
base + REGOFF_HDMI_REF, 16, 3,
|
|
CLK_DIVIDER_POWER_OF_TWO, NULL);
|
|
clk_data->hws[CLK_APMIXED_HDMI_REF] = hw;
|
|
|
|
r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
|
|
if (r)
|
|
goto unregister_ref2usb;
|
|
|
|
return 0;
|
|
|
|
unregister_ref2usb:
|
|
mtk_clk_unregister_ref2usb_tx(clk_data->hws[CLK_APMIXED_REF2USB_TX]);
|
|
unregister_plls:
|
|
mtk_clk_unregister_pllfhs(plls, ARRAY_SIZE(plls), pllfhs,
|
|
ARRAY_SIZE(pllfhs), clk_data);
|
|
free_clk_data:
|
|
mtk_free_clk_data(clk_data);
|
|
return r;
|
|
}
|
|
|
|
static int clk_mt8173_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_ref2usb_tx(clk_data->hws[CLK_APMIXED_REF2USB_TX]);
|
|
mtk_clk_unregister_pllfhs(plls, ARRAY_SIZE(plls), pllfhs,
|
|
ARRAY_SIZE(pllfhs), clk_data);
|
|
mtk_free_clk_data(clk_data);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct platform_driver clk_mt8173_apmixed_drv = {
|
|
.probe = clk_mt8173_apmixed_probe,
|
|
.remove = clk_mt8173_apmixed_remove,
|
|
.driver = {
|
|
.name = "clk-mt8173-apmixed",
|
|
.of_match_table = of_match_clk_mt8173_apmixed,
|
|
},
|
|
};
|
|
module_platform_driver(clk_mt8173_apmixed_drv);
|
|
|
|
MODULE_DESCRIPTION("MediaTek MT8173 apmixed clocks driver");
|
|
MODULE_LICENSE("GPL");
|