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Thu, 29 Oct 2026 01:16:54 +0100 (CET) From: E Shattow To: u-boot@lists.u-boot-project.org Cc: E Shattow Subject: [DNM PATCH v1 7/7] reduced SpacemiT K3 vendor BSP: set uart compatible for mainline OpenSBI Date: Wed, 28 Oct 2026 17:15:55 -0700 Message-ID: <20261029001555.1890775-8-e@freeshell.de> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261029001555.1890775-1-e@freeshell.de> References: <20261029001555.1890775-1-e@freeshell.de> X-Archived-By: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: u-boot@lists.u-boot-project.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: U-Boot discussion List-Archive: List-Post: List-Help: List-Subscribe: , X-Spam-Status: No, score=-18.9 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 From: E Shattow Do Not Merge Informational purpose only, to aid mainline development of SpacemiT K3 support. "The compatible order makes OpenSBI select UART_CAP_UUE and preserve UART_IER_UUE (bit 6); matching only 'ns16550' writes 0x00 to UART_IER and stops serial output." from [1] OpenSBI mailing list series "platform: generic: spacemit: add K3 platform support" 1: https://lore.kernel.org/opensbi/20261028-spacemit-k3-v6-0-01d984f60941@linux.spacemit.com/ --- arch/riscv/dts/k3.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/riscv/dts/k3.dtsi b/arch/riscv/dts/k3.dtsi index 8c374519fcde..88bb60be404f 100644 --- a/arch/riscv/dts/k3.dtsi +++ b/arch/riscv/dts/k3.dtsi @@ -259,7 +259,7 @@ uart0: uart@d4017000 { u-boot,dm-spl; - compatible = "ns16550"; + compatible = "spacemit,k1-uart", "intel,xscale-uart", "ns16550"; reg = <0x00000000 0xD4017000 0x00000000 0x00000100>; reg-shift = <2>; reg-io-width = <4>; -- 2.53.0