drivers/clk/davinci/pll-dm646x.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * PLL clock descriptions for TI DM646X
   4  *
   5  * Copyright (C) 2018 David Lechner <david@lechnology.com>
   6  */
   7
   8 #include <linux/clk-provider.h>
   9 #include <linux/clk/davinci.h>
  10 #include <linux/clkdev.h>
  11 #include <linux/init.h>
  12 #include <linux/types.h>
  13
  14 #include "pll.h"
  15
  16 static const struct davinci_pll_clk_info dm646x_pll1_info = {
  17         .name = "pll1",
  18         .pllm_mask = GENMASK(4, 0),
  19         .pllm_min = 14,
  20         .pllm_max = 32,
  21         .flags = PLL_HAS_CLKMODE,
  22 };
  23
  24 SYSCLK(1, pll1_sysclk1, pll1_pllen, 4, SYSCLK_FIXED_DIV);
  25 SYSCLK(2, pll1_sysclk2, pll1_pllen, 4, SYSCLK_FIXED_DIV);
  26 SYSCLK(3, pll1_sysclk3, pll1_pllen, 4, SYSCLK_FIXED_DIV);
  27 SYSCLK(4, pll1_sysclk4, pll1_pllen, 4, 0);
  28 SYSCLK(5, pll1_sysclk5, pll1_pllen, 4, 0);
  29 SYSCLK(6, pll1_sysclk6, pll1_pllen, 4, 0);
  30 SYSCLK(8, pll1_sysclk8, pll1_pllen, 4, 0);
  31 SYSCLK(9, pll1_sysclk9, pll1_pllen, 4, 0);
  32
  33 int dm646x_pll1_init(struct device *dev, void __iomem *base, struct regmap *cfgchip)
  34 {
  35         struct clk *clk;
  36
  37         davinci_pll_clk_register(dev, &dm646x_pll1_info, "ref_clk", base, cfgchip);
  38
  39         clk = davinci_pll_sysclk_register(dev, &pll1_sysclk1, base);
  40         clk_register_clkdev(clk, "pll1_sysclk1", "dm646x-psc");
  41
  42         clk = davinci_pll_sysclk_register(dev, &pll1_sysclk2, base);
  43         clk_register_clkdev(clk, "pll1_sysclk2", "dm646x-psc");
  44
  45         clk = davinci_pll_sysclk_register(dev, &pll1_sysclk3, base);
  46         clk_register_clkdev(clk, "pll1_sysclk3", "dm646x-psc");
  47         clk_register_clkdev(clk, NULL, "davinci-wdt");
  48
  49         clk = davinci_pll_sysclk_register(dev, &pll1_sysclk4, base);
  50         clk_register_clkdev(clk, "pll1_sysclk4", "dm646x-psc");
  51
  52         clk = davinci_pll_sysclk_register(dev, &pll1_sysclk5, base);
  53         clk_register_clkdev(clk, "pll1_sysclk5", "dm646x-psc");
  54
  55         davinci_pll_sysclk_register(dev, &pll1_sysclk6, base);
  56
  57         davinci_pll_sysclk_register(dev, &pll1_sysclk8, base);
  58
  59         davinci_pll_sysclk_register(dev, &pll1_sysclk9, base);
  60
  61         davinci_pll_sysclkbp_clk_register(dev, "pll1_sysclkbp", base);
  62
  63         davinci_pll_auxclk_register(dev, "pll1_auxclk", base);
  64
  65         return 0;
  66 }
  67
  68 static const struct davinci_pll_clk_info dm646x_pll2_info = {
  69         .name = "pll2",
  70         .pllm_mask = GENMASK(4, 0),
  71         .pllm_min = 14,
  72         .pllm_max = 32,
  73         .flags = 0,
  74 };
  75
  76 SYSCLK(1, pll2_sysclk1, pll2_pllen, 4, SYSCLK_ALWAYS_ENABLED);
  77
  78 int dm646x_pll2_init(struct device *dev, void __iomem *base, struct regmap *cfgchip)
  79 {
  80         davinci_pll_clk_register(dev, &dm646x_pll2_info, "oscin", base, cfgchip);
  81
  82         davinci_pll_sysclk_register(dev, &pll2_sysclk1, base);
  83
  84         return 0;
  85 }