1 // SPDX-License-Identifier: GPL-2.0-only 2 // 3 // Copyright (c) 2021 MediaTek Inc. 4 // Author: Chun-Jie Chen <chun-jie.chen@mediatek.com> 5 6 #include <linux/clk-provider.h> 7 #include <linux/mod_devicetable.h> 8 #include <linux/platform_device.h> 9 10 #include "clk-mtk.h" 11 #include "clk-gate.h" 12 13 #include <dt-bindings/clock/mt8192-clk.h> 14 15 static const struct mtk_gate_regs mdp0_cg_regs = { 16 .set_ofs = 0x104, 17 .clr_ofs = 0x108, 18 .sta_ofs = 0x100, 19 }; 20 21 static const struct mtk_gate_regs mdp1_cg_regs = { 22 .set_ofs = 0x124, 23 .clr_ofs = 0x128, 24 .sta_ofs = 0x120, 25 }; 26 27 #define GATE_MDP0(_id, _name, _parent, _shift) \ 28 GATE_MTK(_id, _name, _parent, &mdp0_cg_regs, _shift, &mtk_clk_gate_ops_setclr) 29 30 #define GATE_MDP1(_id, _name, _parent, _shift) \ 31 GATE_MTK(_id, _name, _parent, &mdp1_cg_regs, _shift, &mtk_clk_gate_ops_setclr) 32 33 static const struct mtk_gate mdp_clks[] = { 34 /* MDP0 */ 35 GATE_MDP0(CLK_MDP_RDMA0, "mdp_mdp_rdma0", "mdp_sel", 0), 36 GATE_MDP0(CLK_MDP_TDSHP0, "mdp_mdp_tdshp0", "mdp_sel", 1), 37 GATE_MDP0(CLK_MDP_IMG_DL_ASYNC0, "mdp_img_dl_async0", "mdp_sel", 2), 38 GATE_MDP0(CLK_MDP_IMG_DL_ASYNC1, "mdp_img_dl_async1", "mdp_sel", 3), 39 GATE_MDP0(CLK_MDP_RDMA1, "mdp_mdp_rdma1", "mdp_sel", 4), 40 GATE_MDP0(CLK_MDP_TDSHP1, "mdp_mdp_tdshp1", "mdp_sel", 5), 41 GATE_MDP0(CLK_MDP_SMI0, "mdp_smi0", "mdp_sel", 6), 42 GATE_MDP0(CLK_MDP_APB_BUS, "mdp_apb_bus", "mdp_sel", 7), 43 GATE_MDP0(CLK_MDP_WROT0, "mdp_mdp_wrot0", "mdp_sel", 8), 44 GATE_MDP0(CLK_MDP_RSZ0, "mdp_mdp_rsz0", "mdp_sel", 9), 45 GATE_MDP0(CLK_MDP_HDR0, "mdp_mdp_hdr0", "mdp_sel", 10), 46 GATE_MDP0(CLK_MDP_MUTEX0, "mdp_mdp_mutex0", "mdp_sel", 11), 47 GATE_MDP0(CLK_MDP_WROT1, "mdp_mdp_wrot1", "mdp_sel", 12), 48 GATE_MDP0(CLK_MDP_RSZ1, "mdp_mdp_rsz1", "mdp_sel", 13), 49 GATE_MDP0(CLK_MDP_HDR1, "mdp_mdp_hdr1", "mdp_sel", 14), 50 GATE_MDP0(CLK_MDP_FAKE_ENG0, "mdp_mdp_fake_eng0", "mdp_sel", 15), 51 GATE_MDP0(CLK_MDP_AAL0, "mdp_mdp_aal0", "mdp_sel", 16), 52 GATE_MDP0(CLK_MDP_AAL1, "mdp_mdp_aal1", "mdp_sel", 17), 53 GATE_MDP0(CLK_MDP_COLOR0, "mdp_mdp_color0", "mdp_sel", 18), 54 GATE_MDP0(CLK_MDP_COLOR1, "mdp_mdp_color1", "mdp_sel", 19), 55 /* MDP1 */ 56 GATE_MDP1(CLK_MDP_IMG_DL_RELAY0_ASYNC0, "mdp_img_dl_relay0_async0", "mdp_sel", 0), 57 GATE_MDP1(CLK_MDP_IMG_DL_RELAY1_ASYNC1, "mdp_img_dl_relay1_async1", "mdp_sel", 8), 58 }; 59 60 static const struct mtk_clk_desc mdp_desc = { 61 .clks = mdp_clks, 62 .num_clks = ARRAY_SIZE(mdp_clks), 63 }; 64 65 static const struct of_device_id of_match_clk_mt8192_mdp[] = { 66 { 67 .compatible = "mediatek,mt8192-mdpsys", 68 .data = &mdp_desc, 69 }, { 70 /* sentinel */ 71 } 72 }; 73 MODULE_DEVICE_TABLE(of, of_match_clk_mt8192_mdp); 74 75 static struct platform_driver clk_mt8192_mdp_drv = { 76 .probe = mtk_clk_simple_probe, 77 .remove = mtk_clk_simple_remove, 78 .driver = { 79 .name = "clk-mt8192-mdp", 80 .of_match_table = of_match_clk_mt8192_mdp, 81 }, 82 }; 83 module_platform_driver(clk_mt8192_mdp_drv); 84 85 MODULE_DESCRIPTION("MediaTek MT8192 Multimedia Data Path clocks driver"); 86 MODULE_LICENSE("GPL"); 87