[PATCH v2] arm64: dts: ti: k3-j721s2-som-p0: add bootph-pre-ram property to PMIC-B

[Thomas Richard (TI)]

On j721s2, PMIC-B is needed to exit the DDR from retention after
suspend-to-ram. Add bootph-pre-ram property to make PMIC-B available to
the bootloader in the phase that sets up the DDR.

Signed-off-by: Thomas Richard (TI) <thomas.richard at bootlin.com>
---
For the v2 I just updated the commit title and message to use PMIC-B
instead of pmic at 4c.
---
Changes in v2:
- replace pmic at 4c by PMIC-B in commit message.
- Link to v1: https://lore.kernel.org/r/20260428-k3-j721s2-som-bootph-pre-ram-pmic-4c-v1-1-e8202ce955a0@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,
-- 
Thomas Richard (TI) <thomas.richard at bootlin.com>