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[63.225.246.100]) by smtp.gmail.com with ESMTPSA id b5-20020a05660214c500b006df13af1f16sm9245441iow.50.2022.12.08.11.39.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Dec 2022 11:39:58 -0800 (PST) From: Mark Hasemeyer To: LKML Cc: Raul Rangel , Bhanu Prakash Maiya , Mark Hasemeyer , Krzysztof Kozlowski , Benson Leung , Guenter Roeck , Krzysztof Kozlowski , Lee Jones , Rob Herring , chrome-platform@lists.linux.dev, devicetree@vger.kernel.org Subject: [PATCH v11 2/3] dt-bindings: mfd: cros-ec: Add UART compatible string Date: Thu, 8 Dec 2022 12:39:51 -0700 Message-Id: <20221208123944.v11.2.I9e018ecb8bdf341648cb64417085978ff0d22a46@changeid> X-Mailer: git-send-email 2.39.0.rc1.256.g54fd8350bd-goog In-Reply-To: <20221208123944.v11.1.If7926fcbad397bc6990dd725690229bed403948c@changeid> References: <20221208123944.v11.1.If7926fcbad397bc6990dd725690229bed403948c@changeid> Precedence: bulk X-Mailing-List: chrome-platform@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Bhanu Prakash Maiya Add a compatible string to support the UART implementation of the cros ec interface. The driver does not support the reg and interrupt properties, so exempt them from being required for UART compatible nodes. Signed-off-by: Bhanu Prakash Maiya Co-developed-by: Mark Hasemeyer Signed-off-by: Mark Hasemeyer Acked-by: Krzysztof Kozlowski --- Changes in v11: - Update commit message to include device Changes in v10: - No change Changes in v9: - Rebase onto for-next - Update node-name from uart0 to serial - Remove reg and interrupt property requirement for UART compatible nodes. - Update authorship Changes in v8: - Update commit message Changes in v7: - No change Changes in v6: - No change Changes in v5: - No change Changes in v4: - Changes in commit message. Changes in v3: - Rebased changes on google,cros-ec.yaml Changes in v2: - No change --- .../bindings/mfd/google,cros-ec.yaml | 20 +++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml b/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml index 3d5efa5578d1b..cdf1d719efe9d 100644 --- a/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml +++ b/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml @@ -33,6 +33,9 @@ properties: - description: For implementations of the EC connected through RPMSG. const: google,cros-ec-rpmsg + - description: + For implementations of the EC connected through UART. + const: google,cros-ec-uart controller-data: true @@ -187,6 +190,15 @@ allOf: properties: mediatek,rpmsg-name: false + - if: + properties: + compatible: + not: + contains: + enum: + - google,cros-ec-rpmsg + - google,cros-ec-uart + then: required: - reg - interrupts @@ -299,4 +311,12 @@ examples: vdd-supply = <&pp3300_fp_mcu>; }; }; + + # Example for UART + - | + serial { + cros-ec { + compatible = "google,cros-ec-uart"; + }; + }; ...