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SubjectRe: [PATCH v2 2/6] clk: meson: g12a: Add support for G12B CPUB clocks
On Tue, Apr 23, 2019 at 11:15 AM Neil Armstrong <> wrote:
> This patch support for the specific Amlogic G12B clocks.
> G12B clock driver is very close, the main differences are :
> - the clock tree is duplicated for the both clusters, and the
> SYS_PLL are swapped between the clusters
> - G12A has additional clocks like for CSI an other components
> Here only the cpu clock tree is handled.
> Signed-off-by: Neil Armstrong <>
Reviewed-by: Martin Blumenstingl <>

while reviewing I used the public S922X datasheet from hardkernel to
verify the implementation.
I noticed that HHI_SYS_PLL_CNTL1 and HHI_SYS1_PLL_CNTL1 seem to have
a 19-bit fractional part for the sys_pll and sys1_pll clocks.
Neil, do you know more about the fractional parts on these clocks?


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