diff options
Diffstat (limited to 'drivers/clk/starfive/clk.h')
-rw-r--r-- | drivers/clk/starfive/clk.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/drivers/clk/starfive/clk.h b/drivers/clk/starfive/clk.h new file mode 100644 index 0000000000..4dee12fe89 --- /dev/null +++ b/drivers/clk/starfive/clk.h @@ -0,0 +1,57 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2022 Starfive, Inc. + * Author: Yanhong Wang <yanhong.wang@starfivetech.com> + * + */ + +#ifndef __CLK_STARFIVE_H +#define __CLK_STARFIVE_H + +enum starfive_pll_type { + PLL0 = 0, + PLL1, + PLL2, + PLL_MAX = PLL2 +}; + +struct starfive_pllx_rate { + u64 rate; + u32 prediv; + u32 fbdiv; + u32 frac; +}; + +struct starfive_pllx_offset { + u32 pd; + u32 prediv; + u32 fbdiv; + u32 frac; + u32 postdiv1; + u32 dacpd; + u32 dsmpd; + u32 pd_mask; + u32 prediv_mask; + u32 fbdiv_mask; + u32 frac_mask; + u32 postdiv1_mask; + u32 dacpd_mask; + u32 dsmpd_mask; +}; + +struct starfive_pllx_clk { + enum starfive_pll_type type; + const struct starfive_pllx_offset *offset; + const struct starfive_pllx_rate *rate_table; + int rate_count; + int flags; +}; + +extern struct starfive_pllx_clk starfive_jh7110_pll0; +extern struct starfive_pllx_clk starfive_jh7110_pll1; +extern struct starfive_pllx_clk starfive_jh7110_pll2; + +struct clk *starfive_jh7110_pll(const char *name, const char *parent_name, + void __iomem *base, void __iomem *sysreg, + const struct starfive_pllx_clk *pll_clk); +#endif |