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Tue, 11 Nov 2025 11:26:42 -0800 (PST) Received: from dianders.sjc.corp.google.com ([2a00:79e0:2e7c:8:ba9f:d4c6:9323:4864]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2984dcd0974sm4861075ad.90.2025.11.11.11.26.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 11 Nov 2025 11:26:41 -0800 (PST) From: Douglas Anderson To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Peter Griffin , =?UTF-8?q?Andr=C3=A9=20Draszik?= , Tudor Ambarus Cc: linux-samsung-soc@vger.kernel.org, Roy Luo , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Chen-Yu Tsai , Julius Werner , William McVicker , Douglas Anderson , Greg Kroah-Hartman , Jiri Slaby , linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org Subject: [PATCH 2/4] dt-bindings: serial: snps-dw-apb-uart: Add "google,lga-uart" Date: Tue, 11 Nov 2025 11:22:05 -0800 Message-ID: <20251111112158.2.I040412d80bc262f213444aa6f6ec4f0334315a67@changeid> X-Mailer: git-send-email 2.51.2.1041.gc1ab5b90ca-goog In-Reply-To: <20251111192422.4180216-1-dianders@chromium.org> References: <20251111192422.4180216-1-dianders@chromium.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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 --- 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 cb9da6c97afc..df6a7558a9f2 100644 --- a/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml +++ b/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml @@ -53,6 +53,7 @@ properties: - enum: - brcm,bcm11351-dw-apb-uart - brcm,bcm21664-dw-apb-uart + - google,lga-uart - rockchip,px30-uart - rockchip,rk1808-uart - rockchip,rk3036-uart --=20 2.51.2.1041.gc1ab5b90ca-goog