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[104.155.83.17]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-42b53e7ae16sm32728666f8f.3.2025.11.18.05.56.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 Nov 2025 05:56:18 -0800 (PST) From: Tudor Ambarus Date: Tue, 18 Nov 2025 13:56:08 +0000 Subject: [PATCH v2 1/7] dt-bindings: nvmem: add google,gs101-otp Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251118-gs101-chipid-v2-1-e9f1e7460e35@linaro.org> References: <20251118-gs101-chipid-v2-0-e9f1e7460e35@linaro.org> In-Reply-To: <20251118-gs101-chipid-v2-0-e9f1e7460e35@linaro.org> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Alim Akhtar , Peter Griffin , =?utf-8?q?Andr=C3=A9_Draszik?= , Srinivas Kandagatla Cc: Krzysztof Kozlowski , semen.protsenko@linaro.org, willmcvicker@google.com, kernel-team@android.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Tudor Ambarus , Krzysztof Kozlowski X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1763474177; l=2105; i=tudor.ambarus@linaro.org; s=20241212; h=from:subject:message-id; bh=hE9pu4zL09R2VnRw1hPAh8QPybkRzkJsjvziTMQK6lI=; b=rOjp9fByKIiYv2zyDGDmfAh5uHoPJlkPj+pJH/Wo7/4XVrDXytSpx2NxMD3/6YvsMTnrew6jU MLbn/+h0vuFCoeJHn589V0xkn5CgCijQecUkHEOp3AFcz3Urq6cHgrN X-Developer-Key: i=tudor.ambarus@linaro.org; a=ed25519; pk=uQzE0NXo3dIjeowMTOPCpIiPHEz12IA/MbyzrZVh9WI= Add binding for the OTP controller found on Google GS101. Reviewed-by: Andr=C3=A9 Draszik Reviewed-by: Krzysztof Kozlowski Signed-off-by: Tudor Ambarus --- .../bindings/nvmem/google,gs101-otp.yaml | 56 ++++++++++++++++++= ++++ 1 file changed, 56 insertions(+) diff --git a/Documentation/devicetree/bindings/nvmem/google,gs101-otp.yaml = b/Documentation/devicetree/bindings/nvmem/google,gs101-otp.yaml new file mode 100644 index 0000000000000000000000000000000000000000..8ed65e906a2a1b0c216a09c9444= f87af61090b81 --- /dev/null +++ b/Documentation/devicetree/bindings/nvmem/google,gs101-otp.yaml @@ -0,0 +1,56 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/nvmem/google,gs101-otp.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Google GS101 OTP Controller + +maintainers: + - Tudor Ambarus + +description: | + OTP controller drives a NVMEM memory where system or user specific data + can be stored. The OTP controller register space is of interest as well + because it contains dedicated registers where it stores the Product ID + and the Chip ID (apart other things like TMU or ASV info). + +allOf: + - $ref: nvmem.yaml# + +properties: + compatible: + items: + - const: google,gs101-otp + + clocks: + maxItems: 1 + + interrupts: + maxItems: 1 + + reg: + maxItems: 1 + + power-domains: + maxItems: 1 + +required: + - compatible + - reg + - clocks + - interrupts + +unevaluatedProperties: false + +examples: + - | + #include + #include + + efuse@10000000 { + compatible =3D "google,gs101-otp"; + reg =3D <0x10000000 0xf084>; + clocks =3D <&cmu_misc CLK_GOUT_MISC_OTP_CON_TOP_PCLK>; + interrupts =3D ; + }; --=20 2.52.0.rc1.455.g30608eb744-goog