On 14:02-20240829, Limaye, Aniket wrote:
On 6/14/2024 8:25 PM, Tom Rini wrote:
On Fri, May 31, 2024 at 10:24:30PM +0530, Limaye, Aniket wrote:
On 5/31/2024 7:25 PM, Kumar, Udit wrote:
On 5/31/2024 6:38 PM, Aniket Limaye wrote:
Add bootph-pre-ram property to the buck node in the pmic needed for ESM error event handling.
Signed-off-by: Aniket Limaye a-limaye@ti.com
arch/arm/dts/k3-j7200-r5-common-proc-board.dts | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/arch/arm/dts/k3-j7200-r5-common-proc-board.dts b/arch/arm/dts/k3-j7200-r5-common-proc-board.dts index fb7e2e50239..78d07ff4e70 100644 --- a/arch/arm/dts/k3-j7200-r5-common-proc-board.dts +++ b/arch/arm/dts/k3-j7200-r5-common-proc-board.dts @@ -96,3 +96,12 @@ &mcu_udmap { ti,sci = <&dm_tifs>; };
+&tps659414 { + regulators { + bucka1: buck1 { + bootph-pre-ram; + };
why not to add this in kernel DT
Manorit has already posted a series to kernel to add bootph- properties across platforms... Specifically the patch here [0] addresses this.
Once that is merged, and goes through the rebasing tree in u-boot we will need to send patches to remove the bootph properties from the -u-boot and -r5 files. Until then we need this patch for the ESM to work. Else we can wait till the kernel dt patches make it through to u-boot for me to roll out a v2.
Yes, we'll wait until we can get this all in via OF_UPSTREAM.
Tom, Udit,
The patch in Kernel DT here [0] seems to be taking longer to go through. In the meantime, does it make sense for me to send this current series in u-boot with the bootph patch above, to unblock ESM support for j7200-evm?
NAK! This is why there is a review process in upstream. Lack of ESM survived in j7200 for years now - there is no urgency to carry that stuff and then have someone to start tracking and cleaning up behind. Please DO NOT. The only exception we have permitted now is for you to add patches in dts/ which *have* been upstreamed and accepted by maintainers but it is a couple of months away for OF_UPSTREAM to sync (aka for the next rebase, those changes will be dropped).
This policy has been asserted over and over again on these platforms. Please focus instead on helping getting kernel changes upstream by helping support engineers in that effort.
When the Kernel DT patch is merged and taken through OF_UPSTREAM, I will anyway send a patch to remove all of the bootph from the u-boot DT files. With that, I can take care of removing the above bootph property too.
Let me know what you think, and I'll rebase this series and resend it then.
Thanks, Aniket