[PATCH v1 1/4] dt-bindings: clock: thead: Add TH1520 VO clock controller

[Conor Dooley]

On Mon, Mar 03, 2025 at 03:36:26PM +0100, Michal Wilczynski wrote:
> Add device tree bindings for the TH1520 Video Output (VO) subsystem
> clock controller. The VO sub-system manages clock gates for multimedia
> components including HDMI, MIPI, and GPU.
> 
> Document the VIDEO_PLL requirements for the VO clock controller, which
> receives its input from the AP clock controller. The VIDEO_PLL is a
> Silicon Creations Sigma-Delta (integer) PLL typically running at 792 MHz
> with maximum FOUTVCO of 2376 MHz.
> 
> Add a mandatory reset property for the TH1520 VO clock controller that
> handles the GPU clocks. This reset line controls the GPU CLKGEN reset,
> which is required for proper GPU clock operation.
> 
> The reset property is only required for the "thead,th1520-clk-vo"
> compatible, as it specifically handles the GPU-related clocks.
> 
> This binding complements the existing AP sub-system clock controller
> which manages CPU, DPU, GMAC and TEE PLLs.
> 
> Signed-off-by: Michal Wilczynski <m.wilczynski at samsung.com>

Acked-by: Conor Dooley <conor.dooley at microchip.com>
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