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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/clk/mediatek/clk-mt2701-hif.c | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/clk/mediatek/clk-mt2701-hif.c')
-rw-r--r-- | drivers/clk/mediatek/clk-mt2701-hif.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt2701-hif.c b/drivers/clk/mediatek/clk-mt2701-hif.c new file mode 100644 index 0000000000..cbd5ece3e9 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt2701-hif.c @@ -0,0 +1,60 @@ +// 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 hif_cg_regs = { + .sta_ofs = 0x0030, +}; + +#define GATE_HIF(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &hif_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr_inv) + +static const struct mtk_gate hif_clks[] = { + GATE_DUMMY(CLK_DUMMY, "hif_dummy"), + GATE_HIF(CLK_HIFSYS_USB0PHY, "usb0_phy_clk", "ethpll_500m_ck", 21), + GATE_HIF(CLK_HIFSYS_USB1PHY, "usb1_phy_clk", "ethpll_500m_ck", 22), + GATE_HIF(CLK_HIFSYS_PCIE0, "pcie0_clk", "ethpll_500m_ck", 24), + GATE_HIF(CLK_HIFSYS_PCIE1, "pcie1_clk", "ethpll_500m_ck", 25), + GATE_HIF(CLK_HIFSYS_PCIE2, "pcie2_clk", "ethpll_500m_ck", 26), +}; + +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 mtk_clk_desc hif_desc = { + .clks = hif_clks, + .num_clks = ARRAY_SIZE(hif_clks), + .rst_desc = &clk_rst_desc, +}; + +static const struct of_device_id of_match_clk_mt2701_hif[] = { + { .compatible = "mediatek,mt2701-hifsys", .data = &hif_desc }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, of_match_clk_mt2701_hif); + +static struct platform_driver clk_mt2701_hif_drv = { + .probe = mtk_clk_simple_probe, + .remove_new = mtk_clk_simple_remove, + .driver = { + .name = "clk-mt2701-hif", + .of_match_table = of_match_clk_mt2701_hif, + }, +}; +module_platform_driver(clk_mt2701_hif_drv); +MODULE_LICENSE("GPL"); |