linux-kernel - [PATCH 3/3] arm64: dts: exynos: gs101-pixel-common: add nvmem-reboot-mode

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20250306-b4-max77759-mfd-dts-v1-3-9fe8b0eb8123@linaro.org>
Date: Thu, 06 Mar 2025 10:14:48 +0000
From: André Draszik <andre.draszik@...aro.org>
To: Catalin Marinas <catalin.marinas@....com>, 
 Will Deacon <will@...nel.org>, Peter Griffin <peter.griffin@...aro.org>, 
 Tudor Ambarus <tudor.ambarus@...aro.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Alim Akhtar <alim.akhtar@...sung.com>
Cc: Will McVicker <willmcvicker@...gle.com>, kernel-team@...roid.com, 
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 linux-samsung-soc@...r.kernel.org, devicetree@...r.kernel.org, 
 André Draszik <andre.draszik@...aro.org>
Subject: [PATCH 3/3] arm64: dts: exynos: gs101-pixel-common: add
 nvmem-reboot-mode

Now that we have the NVMEM, we can also hook-in the nvmem-reboot-mode,
so as to have Linux communicate the requested boot mode to the boot
loader via it.

The two remarks regarding missing reboot modes from commit ae32b65c9359
("arm64: dts: exynos: gs101: add reboot-mode support (SYSIP_DAT0)")
apply to this commit as well.

Signed-off-by: André Draszik <andre.draszik@...aro.org>
---
 .../arm64/boot/dts/exynos/google/gs101-pixel-common.dtsi | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/exynos/google/gs101-pixel-common.dtsi b/arch/arm64/boot/dts/exynos/google/gs101-pixel-common.dtsi
index f67fa1e84d994de4d40f29a2d437ab6401ac133d..41f63b4d93fd34e1c955d1f47039cc0d9fb4813a 100644
--- a/arch/arm64/boot/dts/exynos/google/gs101-pixel-common.dtsi
+++ b/arch/arm64/boot/dts/exynos/google/gs101-pixel-common.dtsi
@@ -60,6 +60,20 @@ button-power {
 		};
 	};
 
+	reboot-mode {
+		compatible = "nvmem-reboot-mode";
+		nvmem-cells = <&nvmem_reboot_mode>;
+		nvmem-cell-names = "reboot-mode";
+		mode-bootloader = <0x800000fc>;
+		mode-charge = <0x8000000a>;
+		mode-fastboot = <0x800000fa>;
+		mode-reboot-ab-update = <0x80000052>;
+		mode-recovery = <0x800000ff>;
+		mode-rescue = <0x800000f9>;
+		mode-shutdown-thermal = <0x80000051>;
+		mode-shutdown-thermal-battery = <0x80000051>;
+	};
+
 	/* TODO: Remove this once PMIC is implemented  */
 	reg_placeholder: regulator-0 {
 		compatible = "regulator-fixed";
@@ -224,7 +238,7 @@ nvmem-layout {
 				#address-cells = <1>;
 				#size-cells = <1>;
 
-				reboot-mode@0 {
+				nvmem_reboot_mode: reboot-mode@0 {
 					reg = <0x0 0x4>;
 				};
 

-- 
2.49.0.rc0.332.g42c0ae87b1-goog