drivers/clk/mediatek/clk-mt6779-mm.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (c) 2019 MediaTek Inc.
   4  * Author: Wendell Lin <wendell.lin@mediatek.com>
   5  */
   6
   7 #include <linux/module.h>
   8 #include <linux/clk-provider.h>
   9 #include <linux/platform_device.h>
  10 #include <dt-bindings/clock/mt6779-clk.h>
  11
  12 #include "clk-mtk.h"
  13 #include "clk-gate.h"
  14
  15 static const struct mtk_gate_regs mm0_cg_regs = {
  16         .set_ofs = 0x0104,
  17         .clr_ofs = 0x0108,
  18         .sta_ofs = 0x0100,
  19 };
  20
  21 static const struct mtk_gate_regs mm1_cg_regs = {
  22         .set_ofs = 0x0114,
  23         .clr_ofs = 0x0118,
  24         .sta_ofs = 0x0110,
  25 };
  26
  27 #define GATE_MM0(_id, _name, _parent, _shift)                   \
  28         GATE_MTK(_id, _name, _parent, &mm0_cg_regs, _shift,     \
  29                 &mtk_clk_gate_ops_setclr)
  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_WROT1, "mm_mdp_wrot1", "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_CK, "mm_dsi0_mmck", "mm_sel", 0),
  70         GATE_MM1(CLK_MM_DSI0_IF_CK, "mm_dsi0_ifck", "mm_sel", 1),
  71         GATE_MM1(CLK_MM_DPI_MM_CK, "mm_dpi_mmck", "mm_sel", 2),
  72         GATE_MM1(CLK_MM_DPI_IF_CK, "mm_dpi_ifck", "dpi0_sel", 3),
  73         GATE_MM1(CLK_MM_FAKE_ENG2, "mm_fake_eng2", "mm_sel", 4),
  74         GATE_MM1(CLK_MM_MDP_DL_RX_CK, "mm_mdp_dl_rxck", "mm_sel", 5),
  75         GATE_MM1(CLK_MM_IPU_DL_RX_CK, "mm_ipu_dl_rxck", "mm_sel", 6),
  76         GATE_MM1(CLK_MM_26M, "mm_26m", "f_f26m_ck", 7),
  77         GATE_MM1(CLK_MM_MM_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_HDR, "mm_mdp_hdr", "mm_sel", 11),
  81         GATE_MM1(CLK_MM_DBI_MM_CK, "mm_dbi_mmck", "mm_sel", 12),
  82         GATE_MM1(CLK_MM_DBI_IF_CK, "mm_dbi_ifck", "dpi0_sel", 13),
  83         GATE_MM1(CLK_MM_DISP_POSTMASK0, "mm_disp_pm0", "mm_sel", 14),
  84         GATE_MM1(CLK_MM_DISP_HRT_BW, "mm_disp_hrt_bw", "mm_sel", 15),
  85         GATE_MM1(CLK_MM_DISP_OVL_FBDC, "mm_disp_ovl_fbdc", "mm_sel", 16),
  86 };
  87
  88 static int clk_mt6779_mm_probe(struct platform_device *pdev)
  89 {
  90         struct device *dev = &pdev->dev;
  91         struct device_node *node = dev->parent->of_node;
  92         struct clk_hw_onecell_data *clk_data;
  93
  94         clk_data = mtk_alloc_clk_data(CLK_MM_NR_CLK);
  95
  96         mtk_clk_register_gates(node, mm_clks, ARRAY_SIZE(mm_clks),
  97                                clk_data);
  98
  99         return of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
 100 }
 101
 102 static struct platform_driver clk_mt6779_mm_drv = {
 103         .probe = clk_mt6779_mm_probe,
 104         .driver = {
 105                 .name = "clk-mt6779-mm",
 106         },
 107 };
 108
 109 module_platform_driver(clk_mt6779_mm_drv);
 110 MODULE_LICENSE("GPL");