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https://github.com/physwizz/a155-U-u1.git
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86 lines
2.8 KiB
C
86 lines
2.8 KiB
C
// SPDX-License-Identifier: GPL-2.0
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//
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// Copyright (c) 2020 MediaTek Inc.
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// Author: Weiyi Lu <weiyi.lu@mediatek.com>
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#include <linux/clk-provider.h>
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#include <linux/module.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/mt8192-clk.h>
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static const struct mtk_gate_regs apu_conn_cg_regs = {
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.set_ofs = 0x4,
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.clr_ofs = 0x8,
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.sta_ofs = 0x0,
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};
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#define GATE_APU_CONN(_id, _name, _parent, _shift) \
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GATE_MTK(_id, _name, _parent, &apu_conn_cg_regs, _shift, \
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&mtk_clk_gate_ops_setclr)
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static const struct mtk_gate apu_conn_clks[] = {
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GATE_APU_CONN(CLK_APU_CONN_APU, "apu_conn_apu", "dsp_sel", 0),
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GATE_APU_CONN(CLK_APU_CONN_AHB, "apu_conn_ahb", "dsp_sel", 1),
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GATE_APU_CONN(CLK_APU_CONN_AXI, "apu_conn_axi", "dsp_sel", 2),
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GATE_APU_CONN(CLK_APU_CONN_ISP, "apu_conn_isp", "dsp_sel", 3),
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GATE_APU_CONN(CLK_APU_CONN_CAM_ADL, "apu_conn_cam_adl", "dsp_sel", 4),
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GATE_APU_CONN(CLK_APU_CONN_IMG_ADL, "apu_conn_img_adl", "dsp_sel", 5),
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GATE_APU_CONN(CLK_APU_CONN_EMI_26M, "apu_conn_emi_26m", "dsp_sel", 6),
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GATE_APU_CONN(CLK_APU_CONN_VPU_UDI, "apu_conn_vpu_udi", "dsp_sel", 7),
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GATE_APU_CONN(CLK_APU_CONN_EDMA_0, "apu_conn_edma_0", "dsp_sel", 8),
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GATE_APU_CONN(CLK_APU_CONN_EDMA_1, "apu_conn_edma_1", "dsp_sel", 9),
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GATE_APU_CONN(CLK_APU_CONN_EDMAL_0, "apu_conn_edmal_0", "dsp_sel", 10),
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GATE_APU_CONN(CLK_APU_CONN_EDMAL_1, "apu_conn_edmal_1", "dsp_sel", 11),
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GATE_APU_CONN(CLK_APU_CONN_MNOC, "apu_conn_mnoc", "dsp_sel", 12),
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GATE_APU_CONN(CLK_APU_CONN_TCM, "apu_conn_tcm", "dsp_sel", 13),
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GATE_APU_CONN(CLK_APU_CONN_MD32, "apu_conn_md32", "dsp_sel", 14),
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GATE_APU_CONN(CLK_APU_CONN_IOMMU_0, "apu_conn_iommu_0", "dsp_sel", 15),
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GATE_APU_CONN(CLK_APU_CONN_IOMMU_1, "apu_conn_iommu_1", "dsp_sel", 16),
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GATE_APU_CONN(CLK_APU_CONN_MD32_32K, "apu_conn_md32_32k",
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"dsp_sel", 17),
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};
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static int clk_mt8192_apu_conn_probe(struct platform_device *pdev)
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{
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struct clk_onecell_data *clk_data;
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struct device_node *node = pdev->dev.of_node;
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clk_data = mtk_alloc_clk_data(CLK_APU_CONN_NR_CLK);
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mtk_clk_register_gates(node, apu_conn_clks, ARRAY_SIZE(apu_conn_clks),
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clk_data);
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return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
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}
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static const struct of_device_id of_match_clk_mt8192_apu_conn[] = {
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{ .compatible = "mediatek,mt8192-apu_conn", },
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{}
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};
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static struct platform_driver clk_mt8192_apu_conn_drv = {
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.probe = clk_mt8192_apu_conn_probe,
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.driver = {
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.name = "clk-mt8192-apu_conn",
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.of_match_table = of_match_clk_mt8192_apu_conn,
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},
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};
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static int __init clk_mt8192_apu_conn_init(void)
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{
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return platform_driver_register(&clk_mt8192_apu_conn_drv);
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}
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static void __exit clk_mt8192_apu_conn_exit(void)
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{
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platform_driver_unregister(&clk_mt8192_apu_conn_drv);
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}
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arch_initcall(clk_mt8192_apu_conn_init);
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module_exit(clk_mt8192_apu_conn_exit);
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MODULE_LICENSE("GPL");
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