diff options
Diffstat (limited to 'drivers/clk/mvebu/common.h')
| -rw-r--r-- | drivers/clk/mvebu/common.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/drivers/clk/mvebu/common.h b/drivers/clk/mvebu/common.h new file mode 100644 index 0000000000..522ccdeccd --- /dev/null +++ b/drivers/clk/mvebu/common.h @@ -0,0 +1,70 @@ +/* + * Marvell EBU SoC common clock handling + * + * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> + * + * Based on Linux Marvell MVEBU clock providers + * Copyright (C) 2012 Marvell + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#ifndef __CLK_MVEBU_COMMON_H_ +#define __CLK_MVEBU_COMMON_H_ + +struct coreclk_ratio { + int id; + const char *name; +}; + +struct coreclk_soc_desc { + u32 (*get_tclk_freq)(void __iomem *sar); + u32 (*get_cpu_freq)(void __iomem *sar); + void (*get_clk_ratio)(void __iomem *sar, int id, int *mult, int *div); + const struct coreclk_ratio *ratios; + int num_ratios; +}; + +struct clk_gating_soc_desc { + const char *name; + const char *parent; + int bit_idx; +}; + +#ifdef CONFIG_ARCH_ARMADA_370 +extern const struct coreclk_soc_desc armada_370_coreclks; +extern const struct clk_gating_soc_desc armada_370_gating_desc[]; +#else +static const u32 armada_370_coreclks; +static const u32 armada_370_gating_desc; +#endif + +#ifdef CONFIG_ARCH_ARMADA_XP +extern const struct coreclk_soc_desc armada_xp_coreclks; +extern const struct clk_gating_soc_desc armada_xp_gating_desc[]; +#else +static const u32 armada_xp_coreclks; +static const u32 armada_xp_gating_desc; +#endif + +#ifdef CONFIG_ARCH_DOVE +extern const struct coreclk_soc_desc dove_coreclks; +extern const struct clk_gating_soc_desc dove_gating_desc[]; +#else +static const u32 dove_coreclks; +static const u32 dove_gating_desc; +#endif + +#ifdef CONFIG_ARCH_KIRKWOOD +extern const struct coreclk_soc_desc kirkwood_coreclks; +extern const struct coreclk_soc_desc mv88f6180_coreclks; +extern const struct clk_gating_soc_desc kirkwood_gating_desc[]; +#else +static const u32 kirkwood_coreclks; +static const u32 mv88f6180_coreclks; +static const u32 kirkwood_gating_desc; +#endif + +#endif |