^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * PLL clock descriptions for TI DM355
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2018 David Lechner <david@lechnology.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/bitops.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/clk/davinci.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/clkdev.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include "pll.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) static const struct davinci_pll_clk_info dm355_pll1_info = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) .name = "pll1",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) .pllm_mask = GENMASK(7, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) .pllm_min = 92,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) .pllm_max = 184,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) .flags = PLL_HAS_CLKMODE | PLL_HAS_PREDIV | PLL_PREDIV_ALWAYS_ENABLED |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) PLL_PREDIV_FIXED8 | PLL_HAS_POSTDIV |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) PLL_POSTDIV_ALWAYS_ENABLED | PLL_POSTDIV_FIXED_DIV,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) SYSCLK(1, pll1_sysclk1, pll1_pllen, 5, SYSCLK_FIXED_DIV | SYSCLK_ALWAYS_ENABLED);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) SYSCLK(2, pll1_sysclk2, pll1_pllen, 5, SYSCLK_FIXED_DIV | SYSCLK_ALWAYS_ENABLED);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) SYSCLK(3, pll1_sysclk3, pll1_pllen, 5, SYSCLK_ALWAYS_ENABLED);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) SYSCLK(4, pll1_sysclk4, pll1_pllen, 5, SYSCLK_ALWAYS_ENABLED);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) int dm355_pll1_init(struct device *dev, void __iomem *base, struct regmap *cfgchip)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) struct clk *clk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) davinci_pll_clk_register(dev, &dm355_pll1_info, "ref_clk", base, cfgchip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) clk = davinci_pll_sysclk_register(dev, &pll1_sysclk1, base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) clk_register_clkdev(clk, "pll1_sysclk1", "dm355-psc");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) clk = davinci_pll_sysclk_register(dev, &pll1_sysclk2, base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) clk_register_clkdev(clk, "pll1_sysclk2", "dm355-psc");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) clk = davinci_pll_sysclk_register(dev, &pll1_sysclk3, base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) clk_register_clkdev(clk, "pll1_sysclk3", "dm355-psc");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) clk = davinci_pll_sysclk_register(dev, &pll1_sysclk4, base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) clk_register_clkdev(clk, "pll1_sysclk4", "dm355-psc");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) clk = davinci_pll_auxclk_register(dev, "pll1_auxclk", base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) clk_register_clkdev(clk, "pll1_auxclk", "dm355-psc");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) davinci_pll_sysclkbp_clk_register(dev, "pll1_sysclkbp", base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) static const struct davinci_pll_clk_info dm355_pll2_info = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) .name = "pll2",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) .pllm_mask = GENMASK(7, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) .pllm_min = 92,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) .pllm_max = 184,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) .flags = PLL_HAS_PREDIV | PLL_PREDIV_ALWAYS_ENABLED | PLL_HAS_POSTDIV |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) PLL_POSTDIV_ALWAYS_ENABLED | PLL_POSTDIV_FIXED_DIV,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) SYSCLK(1, pll2_sysclk1, pll2_pllen, 5, SYSCLK_FIXED_DIV | SYSCLK_ALWAYS_ENABLED);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) int dm355_pll2_init(struct device *dev, void __iomem *base, struct regmap *cfgchip)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) davinci_pll_clk_register(dev, &dm355_pll2_info, "oscin", base, cfgchip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) davinci_pll_sysclk_register(dev, &pll2_sysclk1, base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) davinci_pll_sysclkbp_clk_register(dev, "pll2_sysclkbp", base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) }