Re: [PATCH v3 1/8] dt-bindings: clk: sun60i-a733-ccu: Add Allwinner A733 support
From: Krzysztof Kozlowski
Date: Wed Sep 09 2026 - 03:18:58 EST
On Sat, Sep 05, 2026 at 12:45:30AM +0800, Junhui Liu wrote:
> The CCU and R-CCU (PRCM) modules provide clocks and reset functions for
> the Allwinner A733 SoC. The clock architecture of the A733 is evolved
> from the A523, though the root clocking strategy transitions from a
> static oscillator frequency in the Devicetree to the "hosc" clock, which
> is determined by choosing from three possible frequencies (19.2MHz,
> 24MHz, or 26MHz) by the RTC hardware, and finally feeds the CCU and
> R-CCU.
>
> Additionally, the MCU_CCU module found in previous designs is removed
> from the A733, and the clock tree is expanded with more clock outputs
> to support new functional modules.
>
> Signed-off-by: Junhui Liu <junhui.liu@xxxxxxxxxxxxx>
> ---
> .../bindings/clock/allwinner,sun60i-a733-ccu.yaml | 107 ++++++++
> .../dt-bindings/clock/allwinner,sun60i-a733-ccu.h | 290 +++++++++++++++++++++
> .../clock/allwinner,sun60i-a733-r-ccu.h | 39 +++
> .../dt-bindings/reset/allwinner,sun60i-a733-ccu.h | 129 +++++++++
> .../reset/allwinner,sun60i-a733-r-ccu.h | 23 ++
> 5 files changed, 588 insertions(+)
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxxxxx>
Best regards,
Krzysztof