1 // SPDX-License-Identifier: GPL-2.0 2 // 3 // Copyright (c) 2018 MediaTek Inc. 4 // Author: Weiyi Lu <weiyi.lu@mediatek.com> 5 6 #include <linux/clk-provider.h> 7 #include <linux/platform_device.h> 8 9 #include "clk-mtk.h" 10 #include "clk-gate.h" 11 12 #include <dt-bindings/clock/mt8183-clk.h> 13 14 static const struct mtk_gate_regs mm0_cg_regs = { 15 .set_ofs = 0x104, 16 .clr_ofs = 0x108, 17 .sta_ofs = 0x100, 18 }; 19 20 static const struct mtk_gate_regs mm1_cg_regs = { 21 .set_ofs = 0x114, 22 .clr_ofs = 0x118, 23 .sta_ofs = 0x110, 24 }; 25 26 #define GATE_MM0(_id, _name, _parent, _shift) \ 27 GATE_MTK(_id, _name, _parent, &mm0_cg_regs, _shift, \ 28 &mtk_clk_gate_ops_setclr) 29 30 #define GATE_MM1(_id, _name, _parent, _shift) \ 31 GATE_MTK(_id, _name, _parent, &mm1_cg_regs, _shift, \ 32 &mtk_clk_gate_ops_setclr) 33 34 static const struct mtk_gate mm_clks[] = { 35 /* MM0 */ 36 GATE_MM0(CLK_MM_SMI_COMMON, "mm_smi_common", "mm_sel", 0), 37 GATE_MM0(CLK_MM_SMI_LARB0, "mm_smi_larb0", "mm_sel", 1), 38 GATE_MM0(CLK_MM_SMI_LARB1, "mm_smi_larb1", "mm_sel", 2), 39 GATE_MM0(CLK_MM_GALS_COMM0, "mm_gals_comm0", "mm_sel", 3), 40 GATE_MM0(CLK_MM_GALS_COMM1, "mm_gals_comm1", "mm_sel", 4), 41 GATE_MM0(CLK_MM_GALS_CCU2MM, "mm_gals_ccu2mm", "mm_sel", 5), 42 GATE_MM0(CLK_MM_GALS_IPU12MM, "mm_gals_ipu12mm", "mm_sel", 6), 43 GATE_MM0(CLK_MM_GALS_IMG2MM, "mm_gals_img2mm", "mm_sel", 7), 44 GATE_MM0(CLK_MM_GALS_CAM2MM, "mm_gals_cam2mm", "mm_sel", 8), 45 GATE_MM0(CLK_MM_GALS_IPU2MM, "mm_gals_ipu2mm", "mm_sel", 9), 46 GATE_MM0(CLK_MM_MDP_DL_TXCK, "mm_mdp_dl_txck", "mm_sel", 10), 47 GATE_MM0(CLK_MM_IPU_DL_TXCK, "mm_ipu_dl_txck", "mm_sel", 11), 48 GATE_MM0(CLK_MM_MDP_RDMA0, "mm_mdp_rdma0", "mm_sel", 12), 49 GATE_MM0(CLK_MM_MDP_RDMA1, "mm_mdp_rdma1", "mm_sel", 13), 50 GATE_MM0(CLK_MM_MDP_RSZ0, "mm_mdp_rsz0", "mm_sel", 14), 51 GATE_MM0(CLK_MM_MDP_RSZ1, "mm_mdp_rsz1", "mm_sel", 15), 52 GATE_MM0(CLK_MM_MDP_TDSHP, "mm_mdp_tdshp", "mm_sel", 16), 53 GATE_MM0(CLK_MM_MDP_WROT0, "mm_mdp_wrot0", "mm_sel", 17), 54 GATE_MM0(CLK_MM_MDP_WDMA0, "mm_mdp_wdma0", "mm_sel", 18), 55 GATE_MM0(CLK_MM_FAKE_ENG, "mm_fake_eng", "mm_sel", 19), 56 GATE_MM0(CLK_MM_DISP_OVL0, "mm_disp_ovl0", "mm_sel", 20), 57 GATE_MM0(CLK_MM_DISP_OVL0_2L, "mm_disp_ovl0_2l", "mm_sel", 21), 58 GATE_MM0(CLK_MM_DISP_OVL1_2L, "mm_disp_ovl1_2l", "mm_sel", 22), 59 GATE_MM0(CLK_MM_DISP_RDMA0, "mm_disp_rdma0", "mm_sel", 23), 60 GATE_MM0(CLK_MM_DISP_RDMA1, "mm_disp_rdma1", "mm_sel", 24), 61 GATE_MM0(CLK_MM_DISP_WDMA0, "mm_disp_wdma0", "mm_sel", 25), 62 GATE_MM0(CLK_MM_DISP_COLOR0, "mm_disp_color0", "mm_sel", 26), 63 GATE_MM0(CLK_MM_DISP_CCORR0, "mm_disp_ccorr0", "mm_sel", 27), 64 GATE_MM0(CLK_MM_DISP_AAL0, "mm_disp_aal0", "mm_sel", 28), 65 GATE_MM0(CLK_MM_DISP_GAMMA0, "mm_disp_gamma0", "mm_sel", 29), 66 GATE_MM0(CLK_MM_DISP_DITHER0, "mm_disp_dither0", "mm_sel", 30), 67 GATE_MM0(CLK_MM_DISP_SPLIT, "mm_disp_split", "mm_sel", 31), 68 /* MM1 */ 69 GATE_MM1(CLK_MM_DSI0_MM, "mm_dsi0_mm", "mm_sel", 0), 70 GATE_MM1(CLK_MM_DSI0_IF, "mm_dsi0_if", "mm_sel", 1), 71 GATE_MM1(CLK_MM_DPI_MM, "mm_dpi_mm", "mm_sel", 2), 72 GATE_MM1(CLK_MM_DPI_IF, "mm_dpi_if", "dpi0_sel", 3), 73 GATE_MM1(CLK_MM_FAKE_ENG2, "mm_fake_eng2", "mm_sel", 4), 74 GATE_MM1(CLK_MM_MDP_DL_RX, "mm_mdp_dl_rx", "mm_sel", 5), 75 GATE_MM1(CLK_MM_IPU_DL_RX, "mm_ipu_dl_rx", "mm_sel", 6), 76 GATE_MM1(CLK_MM_26M, "mm_26m", "f_f26m_ck", 7), 77 GATE_MM1(CLK_MM_MMSYS_R2Y, "mm_mmsys_r2y", "mm_sel", 8), 78 GATE_MM1(CLK_MM_DISP_RSZ, "mm_disp_rsz", "mm_sel", 9), 79 GATE_MM1(CLK_MM_MDP_AAL, "mm_mdp_aal", "mm_sel", 10), 80 GATE_MM1(CLK_MM_MDP_CCORR, "mm_mdp_ccorr", "mm_sel", 11), 81 GATE_MM1(CLK_MM_DBI_MM, "mm_dbi_mm", "mm_sel", 12), 82 GATE_MM1(CLK_MM_DBI_IF, "mm_dbi_if", "dpi0_sel", 13), 83 }; 84 85 static int clk_mt8183_mm_probe(struct platform_device *pdev) 86 { 87 struct device *dev = &pdev->dev; 88 struct device_node *node = dev->parent->of_node; 89 struct clk_hw_onecell_data *clk_data; 90 91 clk_data = mtk_alloc_clk_data(CLK_MM_NR_CLK); 92 93 mtk_clk_register_gates(&pdev->dev, node, mm_clks, 94 ARRAY_SIZE(mm_clks), clk_data); 95 96 return of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); 97 } 98 99 static struct platform_driver clk_mt8183_mm_drv = { 100 .probe = clk_mt8183_mm_probe, 101 .driver = { 102 .name = "clk-mt8183-mm", 103 }, 104 }; 105 106 builtin_platform_driver(clk_mt8183_mm_drv); 107