linux-kernel - [PATCH 4/5] arm64: defconfig: enable Samsung Exynos OTP controller

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Message-Id: <20251031-gs101-otp-v1-4-2a54f6c4e7b6@linaro.org>
Date: Fri, 31 Oct 2025 12:45:12 +0000
From: Tudor Ambarus <tudor.ambarus@...aro.org>
To: Srinivas Kandagatla <srini@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Krzysztof Kozlowski <krzk@...nel.org>, 
 Alim Akhtar <alim.akhtar@...sung.com>, 
 Peter Griffin <peter.griffin@...aro.org>, 
 André Draszik <andre.draszik@...aro.org>
Cc: semen.protsenko@...aro.org, willmcvicker@...gle.com, 
 kernel-team@...roid.com, linux-kernel@...r.kernel.org, 
 linux-samsung-soc@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, 
 Tudor Ambarus <tudor.ambarus@...aro.org>
Subject: [PATCH 4/5] arm64: defconfig: enable Samsung Exynos OTP controller

Enable the exynos-otp nvmem driver for fuse access on the Samsung Exynos
SoCs. The fuse block stores various system information (Product ID,
Chip ID, TMU, ASV, etc.) which will be accessed by client drivers.

Signed-off-by: Tudor Ambarus <tudor.ambarus@...aro.org>
---
 arch/arm64/configs/defconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index 646097e94efe7f1a18fb59d5b6dfc6268be91383..6433e3c0f88b892ce6f2ee190f866a6ab4889771 100644
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -1682,6 +1682,7 @@ CONFIG_ARM_CORESIGHT_PMU_ARCH_SYSTEM_PMU=m
 CONFIG_NVIDIA_CORESIGHT_PMU_ARCH_SYSTEM_PMU=m
 CONFIG_MESON_DDR_PMU=m
 CONFIG_NVMEM_LAYOUT_SL28_VPD=m
+CONFIG_NVMEM_EXYNOS_OTP=m
 CONFIG_NVMEM_IMX_OCOTP=y
 CONFIG_NVMEM_IMX_OCOTP_ELE=m
 CONFIG_NVMEM_IMX_OCOTP_SCU=y

-- 
2.51.1.930.gacf6e81ea2-goog