From 0a66acb115fb402fb29410488e0dc8bbd2cf29eb Mon Sep 17 00:00:00 2001
From: Thomas Makin <halorocker89@gmail.com>
Date: Mon, 4 Aug 2025 14:21:42 -0500
Subject: [PATCH] dts: add brom cmds

---
 .../arm64/boot/dts/nvidia/tegra210b01-nx.dtsi | 42 +++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/arch/arm64/boot/dts/nvidia/tegra210b01-nx.dtsi b/arch/arm64/boot/dts/nvidia/tegra210b01-nx.dtsi
index e81d26cff8c5..bb418e11ad0f 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210b01-nx.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra210b01-nx.dtsi
@@ -446,6 +446,48 @@
 		nvidia,core-power-req-active-high;
 		nvidia,sys-clock-req-active-high;
 		status = "okay";
+
+		// TODO
+		bootrom-commands {
+			reset-commands {
+				nvidia,command-retries-count = <2>;
+				nvidia,delay-between-commands-us = <10>;
+				nvidia,wait-before-start-bus-clear-us = <10>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				commands@4-0068 {
+					nvidia,command-names = "r2p-setup";
+					reg = <0x68>;
+					nvidia,enable-8bit-register;
+					nvidia,enable-8bit-data;
+					nvidia,controller-type-i2c;
+					nvidia,controller-id = <4>;
+					nvidia,enable-controller-reset;
+					nvidia,write-commands = <
+							0x13 0x00 /* r2p enc 0 */
+							0x1A 0x00 /* r2p enc 1 */
+							0x11 0x00 /* r2p mgc 0 */
+							0x18 0x00 /* r2p mgc 1 */
+							0x04 0x01 /* Update RTC regs */
+						>;
+				};
+				commands@4-003c {
+					nvidia,command-names = "pmic-rails";
+					reg = <0x3c>;
+					nvidia,enable-8bit-register;
+					nvidia,enable-8bit-data;
+					nvidia,controller-type-i2c;
+					nvidia,controller-id = <4>;
+					nvidia,enable-controller-reset;
+					nvidia,write-commands = <
+							0x16 0x20 /* Set 1.0V and disable SD0 */
+							0x42 0x99 /* Wake reasons: SFT_RST/ACOK/LID/EN0 */
+							0x41 0x80 /* Reboot */
+						>;
+				};
+			};
+		};
 	};
 
 	mmc@700b0600 {