drivers/clk/mediatek/clk-mt8188-wpe.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (c) 2022 MediaTek Inc.
   4  * Author: Garmin Chang <garmin.chang@mediatek.com>
   5  */
   6
   7 #include <linux/clk-provider.h>
   8 #include <linux/mod_devicetable.h>
   9 #include <linux/platform_device.h>
  10
  11 #include <dt-bindings/clock/mediatek,mt8188-clk.h>
  12
  13 #include "clk-gate.h"
  14 #include "clk-mtk.h"
  15
  16 static const struct mtk_gate_regs wpe_top_cg_regs = {
  17         .set_ofs = 0x0,
  18         .clr_ofs = 0x0,
  19         .sta_ofs = 0x0,
  20 };
  21
  22 static const struct mtk_gate_regs wpe_vpp0_0_cg_regs = {
  23         .set_ofs = 0x58,
  24         .clr_ofs = 0x58,
  25         .sta_ofs = 0x58,
  26 };
  27
  28 static const struct mtk_gate_regs wpe_vpp0_1_cg_regs = {
  29         .set_ofs = 0x5c,
  30         .clr_ofs = 0x5c,
  31         .sta_ofs = 0x5c,
  32 };
  33
  34 #define GATE_WPE_TOP(_id, _name, _parent, _shift)                       \
  35         GATE_MTK(_id, _name, _parent, &wpe_top_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr_inv)
  36
  37 #define GATE_WPE_VPP0_0(_id, _name, _parent, _shift)            \
  38         GATE_MTK(_id, _name, _parent, &wpe_vpp0_0_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr_inv)
  39
  40 #define GATE_WPE_VPP0_1(_id, _name, _parent, _shift)            \
  41         GATE_MTK(_id, _name, _parent, &wpe_vpp0_1_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr_inv)
  42
  43 static const struct mtk_gate wpe_top_clks[] = {
  44         GATE_WPE_TOP(CLK_WPE_TOP_WPE_VPP0, "wpe_wpe_vpp0", "top_wpe_vpp", 16),
  45         GATE_WPE_TOP(CLK_WPE_TOP_SMI_LARB7, "wpe_smi_larb7", "top_wpe_vpp", 18),
  46         GATE_WPE_TOP(CLK_WPE_TOP_WPESYS_EVENT_TX, "wpe_wpesys_event_tx", "top_wpe_vpp", 20),
  47         GATE_WPE_TOP(CLK_WPE_TOP_SMI_LARB7_PCLK_EN, "wpe_smi_larb7_p_en", "top_wpe_vpp", 24),
  48 };
  49
  50 static const struct mtk_gate wpe_vpp0_clks[] = {
  51         /* WPE_VPP00 */
  52         GATE_WPE_VPP0_0(CLK_WPE_VPP0_VGEN, "wpe_vpp0_vgen", "top_img", 0),
  53         GATE_WPE_VPP0_0(CLK_WPE_VPP0_EXT, "wpe_vpp0_ext", "top_img", 1),
  54         GATE_WPE_VPP0_0(CLK_WPE_VPP0_VFC, "wpe_vpp0_vfc", "top_img", 2),
  55         GATE_WPE_VPP0_0(CLK_WPE_VPP0_CACH0_TOP, "wpe_vpp0_cach0_top", "top_img", 3),
  56         GATE_WPE_VPP0_0(CLK_WPE_VPP0_CACH0_DMA, "wpe_vpp0_cach0_dma", "top_img", 4),
  57         GATE_WPE_VPP0_0(CLK_WPE_VPP0_CACH1_TOP, "wpe_vpp0_cach1_top", "top_img", 5),
  58         GATE_WPE_VPP0_0(CLK_WPE_VPP0_CACH1_DMA, "wpe_vpp0_cach1_dma", "top_img", 6),
  59         GATE_WPE_VPP0_0(CLK_WPE_VPP0_CACH2_TOP, "wpe_vpp0_cach2_top", "top_img", 7),
  60         GATE_WPE_VPP0_0(CLK_WPE_VPP0_CACH2_DMA, "wpe_vpp0_cach2_dma", "top_img", 8),
  61         GATE_WPE_VPP0_0(CLK_WPE_VPP0_CACH3_TOP, "wpe_vpp0_cach3_top", "top_img", 9),
  62         GATE_WPE_VPP0_0(CLK_WPE_VPP0_CACH3_DMA, "wpe_vpp0_cach3_dma", "top_img", 10),
  63         GATE_WPE_VPP0_0(CLK_WPE_VPP0_PSP, "wpe_vpp0_psp", "top_img", 11),
  64         GATE_WPE_VPP0_0(CLK_WPE_VPP0_PSP2, "wpe_vpp0_psp2", "top_img", 12),
  65         GATE_WPE_VPP0_0(CLK_WPE_VPP0_SYNC, "wpe_vpp0_sync", "top_img", 13),
  66         GATE_WPE_VPP0_0(CLK_WPE_VPP0_C24, "wpe_vpp0_c24", "top_img", 14),
  67         GATE_WPE_VPP0_0(CLK_WPE_VPP0_MDP_CROP, "wpe_vpp0_mdp_crop", "top_img", 15),
  68         GATE_WPE_VPP0_0(CLK_WPE_VPP0_ISP_CROP, "wpe_vpp0_isp_crop", "top_img", 16),
  69         GATE_WPE_VPP0_0(CLK_WPE_VPP0_TOP, "wpe_vpp0_top", "top_img", 17),
  70         /* WPE_VPP0_1 */
  71         GATE_WPE_VPP0_1(CLK_WPE_VPP0_VECI, "wpe_vpp0_veci", "top_img", 0),
  72         GATE_WPE_VPP0_1(CLK_WPE_VPP0_VEC2I, "wpe_vpp0_vec2i", "top_img", 1),
  73         GATE_WPE_VPP0_1(CLK_WPE_VPP0_VEC3I, "wpe_vpp0_vec3i", "top_img", 2),
  74         GATE_WPE_VPP0_1(CLK_WPE_VPP0_WPEO, "wpe_vpp0_wpeo", "top_img", 3),
  75         GATE_WPE_VPP0_1(CLK_WPE_VPP0_MSKO, "wpe_vpp0_msko", "top_img", 4),
  76 };
  77
  78 static const struct mtk_clk_desc wpe_top_desc = {
  79         .clks = wpe_top_clks,
  80         .num_clks = ARRAY_SIZE(wpe_top_clks),
  81 };
  82
  83 static const struct mtk_clk_desc wpe_vpp0_desc = {
  84         .clks = wpe_vpp0_clks,
  85         .num_clks = ARRAY_SIZE(wpe_vpp0_clks),
  86 };
  87
  88 static const struct of_device_id of_match_clk_mt8188_wpe[] = {
  89         { .compatible = "mediatek,mt8188-wpesys", .data = &wpe_top_desc },
  90         { .compatible = "mediatek,mt8188-wpesys-vpp0", .data = &wpe_vpp0_desc },
  91         { /* sentinel */ }
  92 };
  93 MODULE_DEVICE_TABLE(of, of_match_clk_mt8188_wpe);
  94
  95 static struct platform_driver clk_mt8188_wpe_drv = {
  96         .probe = mtk_clk_simple_probe,
  97         .remove = mtk_clk_simple_remove,
  98         .driver = {
  99                 .name = "clk-mt8188-wpe",
 100                 .of_match_table = of_match_clk_mt8188_wpe,
 101         },
 102 };
 103 module_platform_driver(clk_mt8188_wpe_drv);
 104
 105 MODULE_DESCRIPTION("MediaTek MT8188 Warp Engine clocks driver");
 106 MODULE_LICENSE("GPL");