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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2019-20 Sean Anderson <seanga2@gmail.com>
*/
#ifndef K210_PLL_H
#define K210_PLL_H
#include <clk.h>
#include <test/export.h>
#define K210_PLL_CLKR GENMASK(3, 0)
#define K210_PLL_CLKF GENMASK(9, 4)
#define K210_PLL_CLKOD GENMASK(13, 10) /* Output Divider */
#define K210_PLL_BWADJ GENMASK(19, 14) /* BandWidth Adjust */
#define K210_PLL_RESET BIT(20)
#define K210_PLL_PWRD BIT(21) /* PoWeReD */
#define K210_PLL_INTFB BIT(22) /* Internal FeedBack */
#define K210_PLL_BYPASS BIT(23)
#define K210_PLL_TEST BIT(24)
#define K210_PLL_EN BIT(25)
#define K210_PLL_TEST_EN BIT(26)
#define K210_PLL_LOCK 0
#define K210_PLL_CLEAR_SLIP 2
#define K210_PLL_TEST_OUT 3
struct k210_pll {
struct clk clk;
void __iomem *reg; /* Base PLL register */
void __iomem *lock; /* Common PLL lock register */
u8 shift; /* Offset of bits in lock register */
u8 width; /* Width of lock bits to test against */
};
#define to_k210_pll(_clk) container_of(_clk, struct k210_pll, clk)
struct k210_pll_config {
u8 r;
u8 f;
u8 od;
};
#ifdef CONFIG_UNIT_TEST
TEST_STATIC int k210_pll_calc_config(u32 rate, u32 rate_in,
struct k210_pll_config *best);
#define nop()
#endif
extern const struct clk_ops k210_pll_ops;
struct clk *k210_register_pll_struct(const char *name, const char *parent_name,
struct k210_pll *pll);
struct clk *k210_register_pll(const char *name, const char *parent_name,
void __iomem *reg, void __iomem *lock, u8 shift,
u8 width);
#endif /* K210_PLL_H */
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