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]>