kernel_samsung_a34x-permissive/drivers/clk/davinci/pll-dm646x.c
2024-04-28 15:51:13 +02:00

86 lines
2.4 KiB
C

// SPDX-License-Identifier: GPL-2.0
/*
* PLL clock descriptions for TI DM646X
*
* Copyright (C) 2018 David Lechner <david@lechnology.com>
*/
#include <linux/clk-provider.h>
#include <linux/clk/davinci.h>
#include <linux/clkdev.h>
#include <linux/init.h>
#include <linux/types.h>
#include "pll.h"
static const struct davinci_pll_clk_info dm646x_pll1_info = {
.name = "pll1",
.pllm_mask = GENMASK(4, 0),
.pllm_min = 14,
.pllm_max = 32,
.flags = PLL_HAS_CLKMODE,
};
SYSCLK(1, pll1_sysclk1, pll1_pllen, 4, SYSCLK_FIXED_DIV);
SYSCLK(2, pll1_sysclk2, pll1_pllen, 4, SYSCLK_FIXED_DIV);
SYSCLK(3, pll1_sysclk3, pll1_pllen, 4, SYSCLK_FIXED_DIV);
SYSCLK(4, pll1_sysclk4, pll1_pllen, 4, 0);
SYSCLK(5, pll1_sysclk5, pll1_pllen, 4, 0);
SYSCLK(6, pll1_sysclk6, pll1_pllen, 4, 0);
SYSCLK(8, pll1_sysclk8, pll1_pllen, 4, 0);
SYSCLK(9, pll1_sysclk9, pll1_pllen, 4, 0);
int dm646x_pll1_init(struct device *dev, void __iomem *base, struct regmap *cfgchip)
{
struct clk *clk;
davinci_pll_clk_register(dev, &dm646x_pll1_info, "ref_clk", base, cfgchip);
clk = davinci_pll_sysclk_register(dev, &pll1_sysclk1, base);
clk_register_clkdev(clk, "pll1_sysclk1", "dm646x-psc");
clk = davinci_pll_sysclk_register(dev, &pll1_sysclk2, base);
clk_register_clkdev(clk, "pll1_sysclk2", "dm646x-psc");
clk = davinci_pll_sysclk_register(dev, &pll1_sysclk3, base);
clk_register_clkdev(clk, "pll1_sysclk3", "dm646x-psc");
clk_register_clkdev(clk, NULL, "davinci-wdt");
clk = davinci_pll_sysclk_register(dev, &pll1_sysclk4, base);
clk_register_clkdev(clk, "pll1_sysclk4", "dm646x-psc");
clk = davinci_pll_sysclk_register(dev, &pll1_sysclk5, base);
clk_register_clkdev(clk, "pll1_sysclk5", "dm646x-psc");
davinci_pll_sysclk_register(dev, &pll1_sysclk6, base);
davinci_pll_sysclk_register(dev, &pll1_sysclk8, base);
davinci_pll_sysclk_register(dev, &pll1_sysclk9, base);
davinci_pll_sysclkbp_clk_register(dev, "pll1_sysclkbp", base);
davinci_pll_auxclk_register(dev, "pll1_auxclk", base);
return 0;
}
static const struct davinci_pll_clk_info dm646x_pll2_info = {
.name = "pll2",
.pllm_mask = GENMASK(4, 0),
.pllm_min = 14,
.pllm_max = 32,
.flags = 0,
};
SYSCLK(1, pll2_sysclk1, pll2_pllen, 4, SYSCLK_ALWAYS_ENABLED);
int dm646x_pll2_init(struct device *dev, void __iomem *base, struct regmap *cfgchip)
{
davinci_pll_clk_register(dev, &dm646x_pll2_info, "oscin", base, cfgchip);
davinci_pll_sysclk_register(dev, &pll2_sysclk1, base);
return 0;
}