drivers/clk/mediatek/clk-mt8195-imp_iic_wrap.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 "clk-gate.h"
   7 #include "clk-mtk.h"
   8
   9 #include <dt-bindings/clock/mt8195-clk.h>
  10 #include <linux/clk-provider.h>
  11 #include <linux/platform_device.h>
  12
  13 static const struct mtk_gate_regs imp_iic_wrap_cg_regs = {
  14         .set_ofs = 0xe08,
  15         .clr_ofs = 0xe04,
  16         .sta_ofs = 0xe00,
  17 };
  18
  19 #define GATE_IMP_IIC_WRAP(_id, _name, _parent, _shift)                          \
  20         GATE_MTK_FLAGS(_id, _name, _parent, &imp_iic_wrap_cg_regs, _shift,      \
  21                 &mtk_clk_gate_ops_setclr, CLK_OPS_PARENT_ENABLE)
  22
  23 static const struct mtk_gate imp_iic_wrap_s_clks[] = {
  24         GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_S_I2C5, "imp_iic_wrap_s_i2c5", "top_i2c", 0),
  25         GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_S_I2C6, "imp_iic_wrap_s_i2c6", "top_i2c", 1),
  26         GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_S_I2C7, "imp_iic_wrap_s_i2c7", "top_i2c", 2),
  27 };
  28
  29 static const struct mtk_gate imp_iic_wrap_w_clks[] = {
  30         GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_W_I2C0, "imp_iic_wrap_w_i2c0", "top_i2c", 0),
  31         GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_W_I2C1, "imp_iic_wrap_w_i2c1", "top_i2c", 1),
  32         GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_W_I2C2, "imp_iic_wrap_w_i2c2", "top_i2c", 2),
  33         GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_W_I2C3, "imp_iic_wrap_w_i2c3", "top_i2c", 3),
  34         GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_W_I2C4, "imp_iic_wrap_w_i2c4", "top_i2c", 4),
  35 };
  36
  37 static const struct mtk_clk_desc imp_iic_wrap_s_desc = {
  38         .clks = imp_iic_wrap_s_clks,
  39         .num_clks = ARRAY_SIZE(imp_iic_wrap_s_clks),
  40 };
  41
  42 static const struct mtk_clk_desc imp_iic_wrap_w_desc = {
  43         .clks = imp_iic_wrap_w_clks,
  44         .num_clks = ARRAY_SIZE(imp_iic_wrap_w_clks),
  45 };
  46
  47 static const struct of_device_id of_match_clk_mt8195_imp_iic_wrap[] = {
  48         {
  49                 .compatible = "mediatek,mt8195-imp_iic_wrap_s",
  50                 .data = &imp_iic_wrap_s_desc,
  51         }, {
  52                 .compatible = "mediatek,mt8195-imp_iic_wrap_w",
  53                 .data = &imp_iic_wrap_w_desc,
  54         }, {
  55                 /* sentinel */
  56         }
  57 };
  58 MODULE_DEVICE_TABLE(of, of_match_clk_mt8195_imp_iic_wrap);
  59
  60 static struct platform_driver clk_mt8195_imp_iic_wrap_drv = {
  61         .probe = mtk_clk_simple_probe,
  62         .remove = mtk_clk_simple_remove,
  63         .driver = {
  64                 .name = "clk-mt8195-imp_iic_wrap",
  65                 .of_match_table = of_match_clk_mt8195_imp_iic_wrap,
  66         },
  67 };
  68 module_platform_driver(clk_mt8195_imp_iic_wrap_drv);
  69
  70 MODULE_DESCRIPTION("MediaTek MT8195 I2C Wrapper clocks driver");
  71 MODULE_LICENSE("GPL");