diff options
Diffstat (limited to 'drivers/clk/ti/clk.c')
| -rw-r--r-- | drivers/clk/ti/clk.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/clk/ti/clk.c b/drivers/clk/ti/clk.c index f4d6802a8544..4efa2c9ea908 100644 --- a/drivers/clk/ti/clk.c +++ b/drivers/clk/ti/clk.c @@ -55,6 +55,29 @@ static void clk_memmap_writel(u32 val, const struct clk_omap_reg *reg) writel_relaxed(val, io->mem + reg->offset); } +static void _clk_rmw(u32 val, u32 mask, void __iomem *ptr) +{ + u32 v; + + v = readl_relaxed(ptr); + v &= ~mask; + v |= val; + writel_relaxed(v, ptr); +} + +static void clk_memmap_rmw(u32 val, u32 mask, const struct clk_omap_reg *reg) +{ + struct clk_iomap *io = clk_memmaps[reg->index]; + + if (reg->ptr) { + _clk_rmw(val, mask, reg->ptr); + } else if (io->regmap) { + regmap_update_bits(io->regmap, reg->offset, mask, val); + } else { + _clk_rmw(val, mask, io->mem + reg->offset); + } +} + static u32 clk_memmap_readl(const struct clk_omap_reg *reg) { u32 val; @@ -89,6 +112,7 @@ int ti_clk_setup_ll_ops(struct ti_clk_ll_ops *ops) ti_clk_ll_ops = ops; ops->clk_readl = clk_memmap_readl; ops->clk_writel = clk_memmap_writel; + ops->clk_rmw = clk_memmap_rmw; return 0; } |