Re: [PATCH 2/2] clk: en7523: add support for dedicated PCIe PERSTOUT reset

Brian Masney <[email protected]>
Newsgroups org.kernel.vger.linux-clk,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel
Message-ID <[email protected]>
On Thu, Jul 23, 2026 at 09:01:31PM +0200, Christian Marangi wrote:
> Add support for resetting the PCIe lines with the PERSTOUT reset. These
> special reset are controlled by the PCIC register and are specific to each
> of the 3 PCIe lines.
> 
> Contrary to the dedicated reset register where 0 deassert and 1 assert the
> reset line for the related bit, for PCIe PERSTOUT reset in the PCIC
> register, the deassert and assert value is swapped, with 1 for deassert and
> 0 for assert. (HW have these bit set as 1 by default after a cold boot)
> This is internally handled in the reset function.
> 
> PCI enable/disable are updated to drop PERSTOUT bits in favor dedicated
> reset handling.
> 
> Signed-off-by: Christian Marangi <[email protected]>

Reviewed-by: Brian Masney <[email protected]>
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