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Wed, 22 Jul 2026 02:56:11 -0700 (PDT) Received: from gpeter-l.roam.corp.google.com ([2a00:23c7:314c:4601:ea7:d5d4:79db:6d52]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-47f85c532d4sm4414533f8f.22.2026.07.22.02.56.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 22 Jul 2026 02:56:10 -0700 (PDT) From: Peter Griffin Date: Wed, 22 Jul 2026 10:55:53 +0100 Subject: [PATCH v2 2/5] dt-bindings: serial: snps-dw-apb-uart: Add "google,lga-uart" Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260722-contrib-pg-pixel10-initial-dts-v2-2-3abae9717feb@linaro.org> References: <20260722-contrib-pg-pixel10-initial-dts-v2-0-3abae9717feb@linaro.org> In-Reply-To: <20260722-contrib-pg-pixel10-initial-dts-v2-0-3abae9717feb@linaro.org> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , =?utf-8?q?Andr=C3=A9_Draszik?= , Tudor Ambarus , Greg Kroah-Hartman , Jiri Slaby , Catalin Marinas , Will Deacon , Arnd Bergmann , Krzysztof Kozlowski , Alexandre Belloni , Linus Walleij , Drew Fustini , Kees Cook , Tony Luck , "Guilherme G. Piccoli" Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-serial@vger.kernel.org, soc@lists.linux.dev, Douglas Anderson , Juan Yescas , RD Babiera , Brian Norris , William McVicker , kernel-team@android.com, Peter Griffin , Krzysztof Kozlowski X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=1322; i=peter.griffin@linaro.org; h=from:subject:message-id; bh=UIAuCpn9sBr07oQ2RwIwe4pVzRGN2evRfhuSeBFU/iE=; b=owEBbQKS/ZANAwAKAc7ouNYCNHK6AcsmYgBqYJO2S5G3RXrgDdc0iZBu1hTMoCLLrgE6SJbjY TVJinLwtlOJAjMEAAEKAB0WIQQO/I5vVXh1DVa1SfzO6LjWAjRyugUCamCTtgAKCRDO6LjWAjRy uqBaEACecjhHzGhUtBGP2AxwpzQCb4I9hjLzjVA8jel/swb5ul1VNx1d33WlrwkkFTN37u+iL6f RToG6IHnRdaPjHsxUYQLr5fWNm2eb0Z84Lf7e6k2slRSz0W8CvExX797OFAIcT7OEiUNlZLsRMH ksu5N7kYRnG6YnvIf9qo+NHRWWsAG3U1RrrTAbtc0fQZrax1ruAc9ku5b5fge2NLdft9CSNKWlo rg4Gd/sQ5eoT7f5Da4zLKz3xnkt18jGUuqPZ8CZihaQ5eKs2Gf9zwCMU+ZAZsBgbpwXnHUhvZHF o+dcAJHqoId0jbRYc2rK5I8gBj5uLvTEr/Aug8sxICYE15Q8wVjI9UB4vQ3ds88Kehjw5OC3sN+ /AfaQRq4yBX8KTFf2HDtl/IFm8Zg1pBDmkB4mROcen7Lly6fvdCBPp6Cj5SZFcn0jiDCD7gRMSu XTMVmblIjGBcMllV4+aYIjXsWabeJFGKxV0fppeVhQPiSUN/apDQbejChCTeB6wUQzpXyRvIWVS nFxJ7I8LlLBn/zGwuFKB2qiXM2Ak1x+T5suXnWeAvWFM/9nqdQ5kEqLRvsO2r2CRD7kLBvr5aeg QWSfClbNCzjPa6WsUkXVRyDc+NKTs+iBTjJLW/riV6YG4AooRnm8elO2hpnxbNr6yloQjXtp12X 4gZTgROw5MX8Z3w== X-Developer-Key: i=peter.griffin@linaro.org; a=openpgp; fpr=0EFC8E6F5578750D56B549FCCEE8B8D6023472BA From: Douglas Anderson The Google Tensor G5 SoC (known as "laguna" and canonically written in code as "lga") has a UART based on Designware IP. The UART appears to work reasonably well, at least for serial console, with the existing driver in Linux. Add a compatible for this UART based on the canonical "lga" name for this SoC with a fallback to the existing "snps,dw-apb-uart". Signed-off-by: Douglas Anderson Reviewed-by: Krzysztof Kozlowski Signed-off-by: Peter Griffin --- Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml b/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml index 685c1eceb782..24589466a4be 100644 --- a/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml +++ b/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml @@ -54,6 +54,7 @@ properties: - anlogic,dr1v90-uart - brcm,bcm11351-dw-apb-uart - brcm,bcm21664-dw-apb-uart + - google,lga-uart - rockchip,px30-uart - rockchip,rk1808-uart - rockchip,rk3036-uart -- 2.55.0.229.g6434b31f56-goog