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// SPDX-License-Identifier: GPL-2.0
/*
* PLL clock descriptions for TI DA830/OMAP-L137/AM17XX
*
* Copyright (C) 2018 David Lechner <david@lechnology.com>
*/
#include <linux/clkdev.h>
#include <linux/bitops.h>
#include <linux/init.h>
#include <linux/types.h>
#include "pll.h"
static const struct davinci_pll_clk_info da830_pll_info = {
.name = "pll0",
.pllm_mask = GENMASK(4, 0),
.pllm_min = 4,
.pllm_max = 32,
.pllout_min_rate = 300000000,
.pllout_max_rate = 600000000,
.flags = PLL_HAS_CLKMODE | PLL_HAS_PREDIV | PLL_HAS_POSTDIV,
};
/*
* NB: Technically, the clocks flagged as SYSCLK_FIXED_DIV are "fixed ratio",
* meaning that we could change the divider as long as we keep the correct
* ratio between all of the clocks, but we don't support that because there is
* currently not a need for it.
*/
SYSCLK(2, pll0_sysclk2, pll0_pllen, 5, SYSCLK_FIXED_DIV);
SYSCLK(3, pll0_sysclk3, pll0_pllen, 5, 0);
SYSCLK(4, pll0_sysclk4, pll0_pllen, 5, SYSCLK_FIXED_DIV);
SYSCLK(5, pll0_sysclk5, pll0_pllen, 5, 0);
SYSCLK(6, pll0_sysclk6, pll0_pllen, 5, SYSCLK_FIXED_DIV);
SYSCLK(7, pll0_sysclk7, pll0_pllen, 5, 0);
int da830_pll_init(struct device *dev, void __iomem *base)
{
struct clk *clk;
davinci_pll_clk_register(dev, &da830_pll_info, "ref_clk", base);
clk = davinci_pll_sysclk_register(dev, &pll0_sysclk2, base);
clk_register_clkdev(clk, "pll0_sysclk2", "da830-psc0");
clk_register_clkdev(clk, "pll0_sysclk2", "da830-psc1");
clk = davinci_pll_sysclk_register(dev, &pll0_sysclk3, base);
clk_register_clkdev(clk, "pll0_sysclk3", "da830-psc0");
clk = davinci_pll_sysclk_register(dev, &pll0_sysclk4, base);
clk_register_clkdev(clk, "pll0_sysclk4", "da830-psc0");
clk_register_clkdev(clk, "pll0_sysclk4", "da830-psc1");
clk = davinci_pll_sysclk_register(dev, &pll0_sysclk5, base);
clk_register_clkdev(clk, "pll0_sysclk5", "da830-psc1");
clk = davinci_pll_sysclk_register(dev, &pll0_sysclk6, base);
clk_register_clkdev(clk, "pll0_sysclk6", "da830-psc0");
clk = davinci_pll_sysclk_register(dev, &pll0_sysclk7, base);
clk = davinci_pll_auxclk_register(dev, "pll0_auxclk", base);
clk_register_clkdev(clk, NULL, "i2c_davinci.1");
clk_register_clkdev(clk, "timer0", NULL);
clk_register_clkdev(clk, NULL, "davinci-wdt");
return 0;
}
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