Re: [PATCH 0/6] riscv: dts: spacemit: fix maximum CPU core voltage for K1 boards
Yixun Lan <[email protected]> Sun, 2 Aug 2026 02:20:11 +0000
| Newsgroups | dev.linux.lists.spacemit,org.infradead.lists.linux-riscv,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <178563718457.1616805.12139797953072589045.b4-ty@b4> |
On Wed, 29 Jul 2026 17:02:17 +0200, Aurelien Jarno wrote:
> The SpacemiT K1 based boards use the SpacemiT P1 PMIC. The buck1 and
> buck2 voltage regulators supply the CPU core voltage. They are
> configured with a maximum output voltage of 3.45V, while the highest
> operating point requires only 1.050V. This means that a kernel bug, OPP
> misconfiguration, or privileged userspace could request a voltage above
> the safe operating limit, causing possible permanent CPU damage.
>
> [...]
Applied, thanks!
[1/6] riscv: dts: spacemit: k1-bananapi-f3: fix maximum CPU core voltage
https://git.kernel.org/pub/scm/linux/kernel/git/spacemit/linux.git/commit/?id=b496282ee4ad07311a13489e15b74fb7078d9a01
[2/6] riscv: dts: spacemit: k1-milkv-jupiter: fix maximum CPU core voltage
https://git.kernel.org/pub/scm/linux/kernel/git/spacemit/linux.git/commit/?id=56a77ddae794ca0516fc146f6e59bb8cdf4fd9d2
[3/6] riscv: dts: spacemit: k1-orangepi-rv2: fix maximum CPU core voltage
https://git.kernel.org/pub/scm/linux/kernel/git/spacemit/linux.git/commit/?id=ae0c38f0a24f95c8759b6b0eaaa5a0d36a7c6af2
[4/6] riscv: dts: spacemit: k1-musepi-pro: fix maximum CPU core voltage
https://git.kernel.org/pub/scm/linux/kernel/git/spacemit/linux.git/commit/?id=f045253a03589b2616332560b4120e584342a987
[5/6] riscv: dts: spacemit: k1-orangepi-r2s: fix maximum CPU core voltage
https://git.kernel.org/pub/scm/linux/kernel/git/spacemit/linux.git/commit/?id=d66267c35032c46c18b675601d03c80239bcd913
[6/6] riscv: dts: spacemit: k1-bananapi-cm6: fix maximum CPU core voltage
https://git.kernel.org/pub/scm/linux/kernel/git/spacemit/linux.git/commit/?id=a65e9b73b0f0f33078b63f039b3ff64af051a11f
Best regards,
--
Yixun Lan <[email protected]>