Re: [PATCH v2] pmdomain: imx: Fix i.MX8MP VC8000E power up sequence
From: Peng Fan
Date: Thu Mar 12 2026 - 04:38:57 EST
Hi All,
Any comments?
On Sat, Feb 28, 2026 at 09:12:45AM +0800, Peng Fan (OSS) wrote:
>From: Peng Fan <peng.fan@xxxxxxx>
>
>Per errata[1]:
>ERR050531: VPU_NOC power down handshake may hang during VC8000E/VPUMIX
>power up/down cycling.
>Description: VC8000E reset de-assertion edge and AXI clock may have a
>timing issue.
>Workaround: Set bit2 (vc8000e_clk_en) of BLK_CLK_EN_CSR to 0 to gate off
>both AXI clock and VC8000E clock sent to VC8000E and AXI clock sent to
>VPU_NOC m_v_2 interface during VC8000E power up(VC8000E reset is
>de-asserted by HW)
>
Thanks,
Peng