From: "Kumar, Udit" <u-kumar1@ti.com>
To: "Thomas Richard (TI)" <thomas.richard@bootlin.com>,
Nishanth Menon <nm@ti.com>, Vignesh Raghavendra <vigneshr@ti.com>,
Tero Kristo <kristo@kernel.org>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
<linux-arm-kernel@lists.infradead.org>,
<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<gregory.clement@bootlin.com>, <richard.genoud@bootlin.com>,
<a-kumar2@ti.com>, <u-kumar1@ti.com>
Subject: Re: [PATCH] arm64: dts: ti: k3-j721s2-som-p0: add bootph-pre-ram property to pmic@4c
Date: Tue, 28 Apr 2026 15:45:43 +0530 [thread overview]
Message-ID: <6aa8fd45-ec3d-4bd7-9b13-6c00e4fd4efc@ti.com> (raw)
In-Reply-To: <20260428-k3-j721s2-som-bootph-pre-ram-pmic-4c-v1-1-e8202ce955a0@bootlin.com>
On 4/28/2026 2:23 PM, Thomas Richard (TI) wrote:
> On j721s2, pmic@4c is needed to exit the DDR from retention after
pmic@4c to PMIC-A to align with schematic, please
> suspend-to-ram. Add bootph-pre-ram property to make pmic@4c available to
> the bootloader in the phase that sets up the DDR.
>
> Signed-off-by: Thomas Richard (TI) <thomas.richard@bootlin.com>
> ---
> arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi
> index 12a38dd1514b..a19e535f4946 100644
> --- a/arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi
> @@ -250,6 +250,7 @@ buckb1: buck1 {
> regulator-max-microvolt = <1800000>;
> regulator-always-on;
> regulator-boot-on;
> + bootph-pre-ram;
> };
>
> buckb2: buck2 {
>
> ---
> base-commit: 59b04cb2325c07ddc1cc7d984bd8c8f89f161746
> change-id: 20260427-k3-j721s2-som-bootph-pre-ram-pmic-4c-744fb90b05a3
>
> Best regards,
next prev parent reply other threads:[~2026-04-28 10:16 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-28 8:53 [PATCH] arm64: dts: ti: k3-j721s2-som-p0: add bootph-pre-ram property to pmic@4c Thomas Richard (TI)
2026-04-28 10:15 ` Kumar, Udit [this message]
2026-04-28 12:06 ` Thomas Richard
2026-04-28 12:57 ` Kumar, Udit
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