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authorFrank Oltmanns <frank@oltmanns.dev>2023-08-07 15:43:37 +0300
committerChen-Yu Tsai <wens@csie.org>2023-08-09 18:33:58 +0300
commit48fb70cdd9e3c896340ab8639f45cf845f9b346f (patch)
treef7982abe59cedbc7aca11f2bccf202489b828f60 /drivers/clk/sunxi-ng
parentb271fc467acd71630d7a2f0f2fcd2a4dbfc22edf (diff)
downloadlinux-48fb70cdd9e3c896340ab8639f45cf845f9b346f.tar.xz
clk: sunxi-ng: Add feature to find closest rate
The default behaviour of clocks in the sunxi-ng driver is to select a clock rate that is closest to but less than the requested rate. Add the CCU_FEATURE_CLOSEST_RATE flag, which can be used to allow clocks to find the closest rate instead. Acked-by: Maxime Ripard <mripard@kernel.org> Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com> Signed-off-by: Frank Oltmanns <frank@oltmanns.dev> Link: https://lore.kernel.org/r/20230807-pll-mipi_set_rate_parent-v6-4-f173239a4b59@oltmanns.dev Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Diffstat (limited to 'drivers/clk/sunxi-ng')
-rw-r--r--drivers/clk/sunxi-ng/ccu_common.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/clk/sunxi-ng/ccu_common.h b/drivers/clk/sunxi-ng/ccu_common.h
index fbf16c6b896d..5ad219f041d5 100644
--- a/drivers/clk/sunxi-ng/ccu_common.h
+++ b/drivers/clk/sunxi-ng/ccu_common.h
@@ -18,6 +18,7 @@
#define CCU_FEATURE_MMC_TIMING_SWITCH BIT(6)
#define CCU_FEATURE_SIGMA_DELTA_MOD BIT(7)
#define CCU_FEATURE_KEY_FIELD BIT(8)
+#define CCU_FEATURE_CLOSEST_RATE BIT(9)
/* MMC timing mode switch bit */
#define CCU_MMC_NEW_TIMING_MODE BIT(30)