98 lines
2 KiB
C
98 lines
2 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2022 MediaTek Inc.
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* Author: Owen Chen <owen.chen@mediatek.com>
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*/
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#include <linux/clk-provider.h>
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#include <linux/module.h>
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#include <linux/of_device.h>
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#include <linux/platform_device.h>
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#include "clk-mtk.h"
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#include "clk-gate.h"
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#include <dt-bindings/clock/mt6985-clk.h>
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#define MT_CCF_BRINGUP 1
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/* Regular Number Definition */
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#define INV_OFS -1
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#define INV_BIT -1
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static const struct mtk_gate_regs ifrao_cg_regs = {
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.set_ofs = 0x80,
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.clr_ofs = 0x84,
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.sta_ofs = 0x90,
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};
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#define GATE_IFRAO(_id, _name, _parent, _shift) { \
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.id = _id, \
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.name = _name, \
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.parent_name = _parent, \
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.regs = &ifrao_cg_regs, \
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.shift = _shift, \
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.ops = &mtk_clk_gate_ops_setclr, \
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}
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static const struct mtk_gate ifrao_clks[] = {
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GATE_IFRAO(CLK_IFRAO_CLDMA_BCLK, "ifrao_cldmabclk",
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"axi_ck"/* parent */, 12),
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GATE_IFRAO(CLK_IFRAO_DPMAIF_MAIN, "ifrao_dpmaif_main",
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"dpmaif_main_ck"/* parent */, 22),
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GATE_IFRAO(CLK_IFRAO_RG_MMW_DPMAIF26M_CK, "ifrao_dpmaif_26m_set",
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"f26m_ck"/* parent */, 25),
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GATE_IFRAO(CLK_IFRAO_RG_AP_I3C, "ifrao_ap_i3c",
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"i2c_ck"/* parent */, 27),
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};
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static const struct mtk_clk_desc ifrao_mcd = {
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.clks = ifrao_clks,
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.num_clks = CLK_IFRAO_NR_CLK,
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};
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static const struct of_device_id of_match_clk_mt6985_bus[] = {
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{
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.compatible = "mediatek,mt6985-infracfg_ao",
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.data = &ifrao_mcd,
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}, {
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/* sentinel */
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}
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};
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static int clk_mt6985_bus_grp_probe(struct platform_device *pdev)
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{
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int r;
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#if MT_CCF_BRINGUP
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pr_notice("%s: %s init begin\n", __func__, pdev->name);
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#endif
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r = mtk_clk_simple_probe(pdev);
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if (r)
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dev_err(&pdev->dev,
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"could not register clock provider: %s: %d\n",
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pdev->name, r);
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#if MT_CCF_BRINGUP
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pr_notice("%s: %s init end\n", __func__, pdev->name);
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#endif
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return r;
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}
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static struct platform_driver clk_mt6985_bus_drv = {
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.probe = clk_mt6985_bus_grp_probe,
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.driver = {
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.name = "clk-mt6985-bus",
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.of_match_table = of_match_clk_mt6985_bus,
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},
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};
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module_platform_driver(clk_mt6985_bus_drv);
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MODULE_LICENSE("GPL");
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