114 lines
4.4 KiB
C
114 lines
4.4 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2019 MediaTek Inc.
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* Author: Wendell Lin <wendell.lin@mediatek.com>
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*/
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#include <linux/clk-provider.h>
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#include <linux/platform_device.h>
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#include <dt-bindings/clock/mt6779-clk.h>
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#include "clk-mtk.h"
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#include "clk-gate.h"
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static const struct mtk_gate_regs mm0_cg_regs = {
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.set_ofs = 0x0104,
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.clr_ofs = 0x0108,
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.sta_ofs = 0x0100,
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};
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static const struct mtk_gate_regs mm1_cg_regs = {
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.set_ofs = 0x0114,
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.clr_ofs = 0x0118,
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.sta_ofs = 0x0110,
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};
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#define GATE_MM0(_id, _name, _parent, _shift) \
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GATE_MTK(_id, _name, _parent, &mm0_cg_regs, _shift, \
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&mtk_clk_gate_ops_setclr)
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#define GATE_MM1(_id, _name, _parent, _shift) \
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GATE_MTK(_id, _name, _parent, &mm1_cg_regs, _shift, \
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&mtk_clk_gate_ops_setclr)
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static const struct mtk_gate mm_clks[] = {
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/* MM0 */
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GATE_MM0(CLK_MM_SMI_COMMON, "mm_smi_common", "mm_sel", 0),
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GATE_MM0(CLK_MM_SMI_LARB0, "mm_smi_larb0", "mm_sel", 1),
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GATE_MM0(CLK_MM_SMI_LARB1, "mm_smi_larb1", "mm_sel", 2),
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GATE_MM0(CLK_MM_GALS_COMM0, "mm_gals_comm0", "mm_sel", 3),
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GATE_MM0(CLK_MM_GALS_COMM1, "mm_gals_comm1", "mm_sel", 4),
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GATE_MM0(CLK_MM_GALS_CCU2MM, "mm_gals_ccu2mm", "mm_sel", 5),
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GATE_MM0(CLK_MM_GALS_IPU12MM, "mm_gals_ipu12mm", "mm_sel", 6),
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GATE_MM0(CLK_MM_GALS_IMG2MM, "mm_gals_img2mm", "mm_sel", 7),
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GATE_MM0(CLK_MM_GALS_CAM2MM, "mm_gals_cam2mm", "mm_sel", 8),
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GATE_MM0(CLK_MM_GALS_IPU2MM, "mm_gals_ipu2mm", "mm_sel", 9),
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GATE_MM0(CLK_MM_MDP_DL_TXCK, "mm_mdp_dl_txck", "mm_sel", 10),
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GATE_MM0(CLK_MM_IPU_DL_TXCK, "mm_ipu_dl_txck", "mm_sel", 11),
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GATE_MM0(CLK_MM_MDP_RDMA0, "mm_mdp_rdma0", "mm_sel", 12),
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GATE_MM0(CLK_MM_MDP_RDMA1, "mm_mdp_rdma1", "mm_sel", 13),
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GATE_MM0(CLK_MM_MDP_RSZ0, "mm_mdp_rsz0", "mm_sel", 14),
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GATE_MM0(CLK_MM_MDP_RSZ1, "mm_mdp_rsz1", "mm_sel", 15),
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GATE_MM0(CLK_MM_MDP_TDSHP, "mm_mdp_tdshp", "mm_sel", 16),
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GATE_MM0(CLK_MM_MDP_WROT0, "mm_mdp_wrot0", "mm_sel", 17),
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GATE_MM0(CLK_MM_MDP_WROT1, "mm_mdp_wrot1", "mm_sel", 18),
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GATE_MM0(CLK_MM_FAKE_ENG, "mm_fake_eng", "mm_sel", 19),
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GATE_MM0(CLK_MM_DISP_OVL0, "mm_disp_ovl0", "mm_sel", 20),
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GATE_MM0(CLK_MM_DISP_OVL0_2L, "mm_disp_ovl0_2l", "mm_sel", 21),
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GATE_MM0(CLK_MM_DISP_OVL1_2L, "mm_disp_ovl1_2l", "mm_sel", 22),
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GATE_MM0(CLK_MM_DISP_RDMA0, "mm_disp_rdma0", "mm_sel", 23),
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GATE_MM0(CLK_MM_DISP_RDMA1, "mm_disp_rdma1", "mm_sel", 24),
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GATE_MM0(CLK_MM_DISP_WDMA0, "mm_disp_wdma0", "mm_sel", 25),
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GATE_MM0(CLK_MM_DISP_COLOR0, "mm_disp_color0", "mm_sel", 26),
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GATE_MM0(CLK_MM_DISP_CCORR0, "mm_disp_ccorr0", "mm_sel", 27),
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GATE_MM0(CLK_MM_DISP_AAL0, "mm_disp_aal0", "mm_sel", 28),
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GATE_MM0(CLK_MM_DISP_GAMMA0, "mm_disp_gamma0", "mm_sel", 29),
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GATE_MM0(CLK_MM_DISP_DITHER0, "mm_disp_dither0", "mm_sel", 30),
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GATE_MM0(CLK_MM_DISP_SPLIT, "mm_disp_split", "mm_sel", 31),
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/* MM1 */
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GATE_MM1(CLK_MM_DSI0_MM_CK, "mm_dsi0_mmck", "mm_sel", 0),
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GATE_MM1(CLK_MM_DSI0_IF_CK, "mm_dsi0_ifck", "mm_sel", 1),
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GATE_MM1(CLK_MM_DPI_MM_CK, "mm_dpi_mmck", "mm_sel", 2),
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GATE_MM1(CLK_MM_DPI_IF_CK, "mm_dpi_ifck", "dpi0_sel", 3),
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GATE_MM1(CLK_MM_FAKE_ENG2, "mm_fake_eng2", "mm_sel", 4),
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GATE_MM1(CLK_MM_MDP_DL_RX_CK, "mm_mdp_dl_rxck", "mm_sel", 5),
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GATE_MM1(CLK_MM_IPU_DL_RX_CK, "mm_ipu_dl_rxck", "mm_sel", 6),
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GATE_MM1(CLK_MM_26M, "mm_26m", "f_f26m_ck", 7),
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GATE_MM1(CLK_MM_MM_R2Y, "mm_mmsys_r2y", "mm_sel", 8),
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GATE_MM1(CLK_MM_DISP_RSZ, "mm_disp_rsz", "mm_sel", 9),
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GATE_MM1(CLK_MM_MDP_AAL, "mm_mdp_aal", "mm_sel", 10),
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GATE_MM1(CLK_MM_MDP_HDR, "mm_mdp_hdr", "mm_sel", 11),
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GATE_MM1(CLK_MM_DBI_MM_CK, "mm_dbi_mmck", "mm_sel", 12),
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GATE_MM1(CLK_MM_DBI_IF_CK, "mm_dbi_ifck", "dpi0_sel", 13),
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GATE_MM1(CLK_MM_DISP_POSTMASK0, "mm_disp_pm0", "mm_sel", 14),
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GATE_MM1(CLK_MM_DISP_HRT_BW, "mm_disp_hrt_bw", "mm_sel", 15),
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GATE_MM1(CLK_MM_DISP_OVL_FBDC, "mm_disp_ovl_fbdc", "mm_sel", 16),
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};
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static const struct of_device_id of_match_clk_mt6779_mm[] = {
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{ .compatible = "mediatek,mt6779-mmsys", },
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{}
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};
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static int clk_mt6779_mm_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_MM_NR_CLK);
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mtk_clk_register_gates(node, mm_clks, ARRAY_SIZE(mm_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 struct platform_driver clk_mt6779_mm_drv = {
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.probe = clk_mt6779_mm_probe,
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.driver = {
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.name = "clk-mt6779-mm",
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.of_match_table = of_match_clk_mt6779_mm,
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},
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};
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builtin_platform_driver(clk_mt6779_mm_drv);
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