diff options
Diffstat (limited to 'drivers/clk/mediatek/clk-pll.h')
| -rw-r--r-- | drivers/clk/mediatek/clk-pll.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-pll.h b/drivers/clk/mediatek/clk-pll.h new file mode 100644 index 000000000..fe3199715 --- /dev/null +++ b/drivers/clk/mediatek/clk-pll.h @@ -0,0 +1,57 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2014 MediaTek Inc. + * Author: James Liao <jamesjj.liao@mediatek.com> + */ + +#ifndef __DRV_CLK_MTK_PLL_H +#define __DRV_CLK_MTK_PLL_H + +#include <linux/types.h> + +struct clk_ops; +struct clk_hw_onecell_data; +struct device_node; + +struct mtk_pll_div_table { + u32 div; + unsigned long freq; +}; + +#define HAVE_RST_BAR BIT(0) +#define PLL_AO BIT(1) + +struct mtk_pll_data { + int id; + const char *name; + u32 reg; + u32 pwr_reg; + u32 en_mask; + u32 pd_reg; + u32 tuner_reg; + u32 tuner_en_reg; + u8 tuner_en_bit; + int pd_shift; + unsigned int flags; + const struct clk_ops *ops; + u32 rst_bar_mask; + unsigned long fmin; + unsigned long fmax; + int pcwbits; + int pcwibits; + u32 pcw_reg; + int pcw_shift; + u32 pcw_chg_reg; + const struct mtk_pll_div_table *div_table; + const char *parent_name; + u32 en_reg; + u8 pll_en_bit; /* Assume 0, indicates BIT(0) by default */ +}; + +int mtk_clk_register_plls(struct device_node *node, + const struct mtk_pll_data *plls, int num_plls, + struct clk_hw_onecell_data *clk_data); +void mtk_clk_unregister_plls(const struct mtk_pll_data *plls, int num_plls, + struct clk_hw_onecell_data *clk_data); + +#endif /* __DRV_CLK_MTK_PLL_H */ |