diff options
| author | Jacky Bai <ping.bai@nxp.com> | 2023-03-31 08:38:11 +0200 |
|---|---|---|
| committer | Abel Vesa <abel.vesa@linaro.org> | 2023-04-09 16:12:49 +0200 |
| commit | 335aee51ffc72149ddf99755ba629f981f20e6b6 (patch) | |
| tree | 7333dac2839cff06b9a1275bf6b2d06954bdf7d2 /drivers/clk/imx/clk.h | |
| parent | clk: imx: imx8ulp: Fix XBAR_DIVBUS and AD_SLOW clock parents (diff) | |
| download | linux-335aee51ffc72149ddf99755ba629f981f20e6b6.tar.xz linux-335aee51ffc72149ddf99755ba629f981f20e6b6.zip | |
clk: imx: imx8ulp: Add divider closest support to get more accurate clock rate
If a divider's parent clock has fractional part, it will hard to round out a
more accurate clock rate for this divider, add the 'CLK_DIVIDER_ROUND_CLOSEST' flags
for such divider to get a more accurate clock rate.
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20230331063814.2462059-3-peng.fan@oss.nxp.com
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Diffstat (limited to 'drivers/clk/imx/clk.h')
| -rw-r--r-- | drivers/clk/imx/clk.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/clk/imx/clk.h b/drivers/clk/imx/clk.h index c8db0c8d4c5d..1031468701d7 100644 --- a/drivers/clk/imx/clk.h +++ b/drivers/clk/imx/clk.h @@ -353,6 +353,15 @@ static inline struct clk_hw *imx_clk_hw_fixed_factor(const char *name, CLK_SET_RATE_PARENT, mult, div); } +static inline struct clk_hw *imx_clk_hw_divider_closest(const char *name, + const char *parent, + void __iomem *reg, u8 shift, + u8 width) +{ + return clk_hw_register_divider(NULL, name, parent, 0, + reg, shift, width, CLK_DIVIDER_ROUND_CLOSEST, &imx_ccm_lock); +} + static inline struct clk_hw *__imx_clk_hw_divider(const char *name, const char *parent, void __iomem *reg, u8 shift, |