drivers/clk/mediatek/clk-mt8192-mdp.c

   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");