drivers/clk/mediatek/clk-mt6735-vencsys.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (c) 2022 Yassine Oudjana <y.oudjana@protonmail.com>
   4  */
   5
   6 #include <linux/clk-provider.h>
   7 #include <linux/platform_device.h>
   8
   9 #include "clk-gate.h"
  10 #include "clk-mtk.h"
  11
  12 #include <dt-bindings/clock/mediatek,mt6735-vencsys.h>
  13
  14 #define VENC_CG_CON                     0x00
  15 #define VENC_CG_SET                     0x04
  16 #define VENC_CG_CLR                     0x08
  17
  18 static struct mtk_gate_regs venc_cg_regs = {
  19         .set_ofs = VENC_CG_SET,
  20         .clr_ofs = VENC_CG_CLR,
  21         .sta_ofs = VENC_CG_CON,
  22 };
  23
  24 static const struct mtk_gate vencsys_gates[] = {
  25         GATE_MTK(CLK_VENC_SMI_LARB3, "smi_larb3", "mm_sel", &venc_cg_regs, 0, &mtk_clk_gate_ops_setclr_inv),
  26         GATE_MTK(CLK_VENC_VENC, "venc", "mm_sel", &venc_cg_regs, 4, &mtk_clk_gate_ops_setclr_inv),
  27         GATE_MTK(CLK_VENC_JPGENC, "jpgenc", "mm_sel", &venc_cg_regs, 8, &mtk_clk_gate_ops_setclr_inv),
  28         GATE_MTK(CLK_VENC_JPGDEC, "jpgdec", "mm_sel", &venc_cg_regs, 12, &mtk_clk_gate_ops_setclr_inv),
  29 };
  30
  31 static const struct mtk_clk_desc vencsys_clks = {
  32         .clks = vencsys_gates,
  33         .num_clks = ARRAY_SIZE(vencsys_gates),
  34 };
  35
  36 static const struct of_device_id of_match_mt6735_vencsys[] = {
  37         { .compatible = "mediatek,mt6735-vencsys", .data = &vencsys_clks },
  38         { /* sentinel */ }
  39 };
  40
  41 static struct platform_driver clk_mt6735_vencsys = {
  42         .probe = mtk_clk_simple_probe,
  43         .remove = mtk_clk_simple_remove,
  44         .driver = {
  45                 .name = "clk-mt6735-vencsys",
  46                 .of_match_table = of_match_mt6735_vencsys,
  47         },
  48 };
  49 module_platform_driver(clk_mt6735_vencsys);
  50
  51 MODULE_AUTHOR("Yassine Oudjana <y.oudjana@protonmail.com>");
  52 MODULE_DESCRIPTION("Mediatek MT6735 vencsys clock driver");
  53 MODULE_LICENSE("GPL");