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[qcom-next] clk: qcom: qcs615: add SDCC2 apps clock support - #149

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Gopinath Sekar (g-sekar) merged 1 commit into
qualcomm-linux:qcom-nextfrom
balajiselvanathan:pll-sdcc-talos
Sep 13, 2026
Merged

Gopinath Sekar (g-sekar) merged 1 commit into
qualcomm-linux:qcom-nextfrom
balajiselvanathan:pll-sdcc-talos

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Add the SDCC2 apps clock used by the external SD card port on qcs615. The frequency table covers the standard SD rates up to 202 MHz.

The 202 MHz rate sources from GPLL8 which is currently disabled. Vote GPLL8 on before programming the RCG whenever the selected frequency uses it.

Upstream link: https://lore.kernel.org/u-boot/20260911-pll-sdcc-talos-v1-1-403f61254a19@oss.qualcomm.com/

QCS615 SDCC2 clock configurations source their parent from GPLL8.
Enable GPLL8 through the vote mechanism before programming the
SDCC2 RCG.

Signed-off-by: Balaji Selvanathan <balaji.selvanathan@oss.qualcomm.com>
@g-sekar
Gopinath Sekar (g-sekar) merged commit 357035f into qualcomm-linux:qcom-next Sep 13, 2026
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2 participants