path: root/arch/arm/include/asm/arch-tegra/clock.h
diff options
authorSimon Glass <>2015-04-14 21:03:33 -0600
committerTom Warren <>2015-05-13 09:24:09 -0700
commit7bb6199bd6c95c89bb9b8e2e2890223e2bca6595 (patch)
treea81c6bd9afb4f3263f8f2d00c07e5ae3d65ed7c2 /arch/arm/include/asm/arch-tegra/clock.h
parent801b05cd613d00c98ecb3300f15e011518075ef4 (diff)
tegra: clock: Split the clock source code into a separate function
Create a function which sets the source clock for a peripheral, given the number of mux bits to adjust. This can then be used more generally. For now, don't export it. Signed-off-by: Simon Glass <> Signed-off-by: Tom Warren <>
Diffstat (limited to 'arch/arm/include/asm/arch-tegra/clock.h')
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-tegra/clock.h b/arch/arm/include/asm/arch-tegra/clock.h
index a641a16a4b..04011ae255 100644
--- a/arch/arm/include/asm/arch-tegra/clock.h
+++ b/arch/arm/include/asm/arch-tegra/clock.h
@@ -156,6 +156,17 @@ void reset_cmplx_set_enable(int cpu, int which, int reset);
void clock_ll_set_source(enum periph_id periph_id, unsigned source);
+ * This function is similar to clock_ll_set_source() except that it can be
+ * used for clocks with more than 2 mux bits.
+ *
+ * @param periph_id peripheral to adjust
+ * @param mux_bits number of mux bits for the clock
+ * @param source source clock (0-15 depending on mux_bits)
+ */
+int clock_ll_set_source_bits(enum periph_id periph_id, int mux_bits,
+ unsigned source);
* Set the source and divisor for a peripheral clock. This sets the
* clock rate. You need to look up the datasheet to see the meaning of the
* source parameter as it changes for each peripheral.
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