[PATCH v8 2/5] clk: qcom: Add CMN PLL clock controller driver for IPQ SoC
Konrad Dybcio
konrad.dybcio at oss.qualcomm.com
Fri Jan 3 04:29:20 PST 2025
On 3.01.2025 8:31 AM, Luo Jie wrote:
> The CMN PLL clock controller supplies clocks to the hardware
> blocks that together make up the Ethernet function on Qualcomm
> IPQ SoCs and to GCC. The driver is initially supported for
> IPQ9574 SoC.
>
> The CMN PLL clock controller expects a reference input clock
> from the on-board Wi-Fi block acting as clock source. The input
> reference clock needs to be configured to one of the supported
> clock rates.
>
> The controller supplies a number of fixed-rate output clocks.
> For the IPQ9574, there is one output clock of 353 MHZ to PPE
> (Packet Process Engine) hardware block, three 50 MHZ output
> clocks and an additional 25 MHZ output clock supplied to the
> connected Ethernet devices. The PLL also supplies a 24 MHZ
> clock as XO and a 32 KHZ sleep clock to GCC, and one 31.25
> MHZ clock to PCS.
>
> Signed-off-by: Luo Jie <quic_luoj at quicinc.com>
> ---
Acked-by: Konrad Dybcio <konrad.dybcio at oss.qualcomm.com>
Konrad
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