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| author | Paul Mundt <lethal@linux-sh.org> | 2012-05-25 10:21:43 +0400 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2012-05-25 10:21:43 +0400 |
| commit | 1111cc1e8080b5ff46f5b945acb2f99d6176b2d1 (patch) | |
| tree | 0a8333a7f46236e53ce3f520ceb35b7dd8cfe76f /include/linux/sh_clk.h | |
| parent | a60977a51333a8108f0574aa26094d66b7fedf34 (diff) | |
| download | linux-1111cc1e8080b5ff46f5b945acb2f99d6176b2d1.tar.xz | |
sh: clkfwk: Introduce a div_mask for variable div types.
This plugs in a div_mask for the clock and sets it up for the existing
div6/4 cases. This will make it possible to support other div types, as
well as share more div6/4 infrastructure.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'include/linux/sh_clk.h')
| -rw-r--r-- | include/linux/sh_clk.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/sh_clk.h b/include/linux/sh_clk.h index 706b803df7b7..d540b8153178 100644 --- a/include/linux/sh_clk.h +++ b/include/linux/sh_clk.h @@ -30,6 +30,10 @@ struct sh_clk_ops { long (*round_rate)(struct clk *clk, unsigned long rate); }; +#define SH_CLK_DIV_MSK(div) ((1 << (div)) - 1) +#define SH_CLK_DIV4_MSK SH_CLK_DIV_MSK(4) +#define SH_CLK_DIV6_MSK SH_CLK_DIV_MSK(6) + struct clk { struct list_head node; struct clk *parent; @@ -51,6 +55,7 @@ struct clk { unsigned int enable_bit; void __iomem *mapped_reg; + unsigned int div_mask; unsigned long arch_flags; void *priv; struct clk_mapping *mapping; @@ -145,6 +150,7 @@ static inline int __deprecated sh_clk_mstp32_register(struct clk *clks, int nr) .enable_reg = (void __iomem *)_reg, \ .enable_bit = _shift, \ .arch_flags = _div_bitmap, \ + .div_mask = SH_CLK_DIV4_MSK, \ .flags = _flags, \ } @@ -167,6 +173,7 @@ int sh_clk_div4_reparent_register(struct clk *clks, int nr, { \ .enable_reg = (void __iomem *)_reg, \ .flags = _flags, \ + .div_mask = SH_CLK_DIV6_MSK, \ .parent_table = _parents, \ .parent_num = _num_parents, \ .src_shift = _src_shift, \ @@ -177,6 +184,7 @@ int sh_clk_div4_reparent_register(struct clk *clks, int nr, { \ .parent = _parent, \ .enable_reg = (void __iomem *)_reg, \ + .div_mask = SH_CLK_DIV6_MSK, \ .flags = _flags, \ } |