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[174.29.1.49]) by smtp.gmail.com with ESMTPSA id 46e09a7af769-850f8458d8esm565721a34.1.2026.10.23.14.19.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 23 Oct 2026 14:19:34 -0700 (PDT) From: James Hilliard Date: Fri, 23 Oct 2026 15:19:29 -0600 Subject: [PATCH v2 3/3] arm64: dts: allwinner: h616: identify the UART integration X-Mailing-List: linux-sunxi@lists.linux.dev List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Message-Id: <20261023-submit-h616-uart-fifo-v1-v2-3-af0593504635@gmail.com> References: <20261023-submit-h616-uart-fifo-v1-v2-0-af0593504635@gmail.com> In-Reply-To: <20261023-submit-h616-uart-fifo-v1-v2-0-af0593504635@gmail.com> To: Greg Kroah-Hartman , Jiri Slaby , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Andy Shevchenko , =?utf-8?q?Ilpo_J=C3=A4?= =?utf-8?q?rvinen?= , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland Cc: linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, James Hilliard X-Mailer: b4 0.15.2 X-Rspamd-Server: rspamd-worker-8404 X-Spamd-Result: default: False [-1.19 / 15.00]; BAYES_HAM(-5.50)[100.00%]; RBL_SENDERSCORE(2.00)[172.234.253.10:from]; SUSPICIOUS_RECIPS(1.50)[]; DMARC_POLICY_SOFTFAIL(1.00)[gmail.com : SPF not aligned (relaxed), No valid DKIM,none]; MAILLIST(-0.18)[generic]; BAD_REP_POLICIES(0.10)[]; MIME_GOOD(-0.10)[text/plain]; HAS_LIST_UNSUB(-0.01)[]; FROM_HAS_DN(0.00)[]; TAGGED_RCPT(0.00)[dt]; DBL_PROHIBIT(0.00)[0.76.76.208:email,0.76.80.184:email,0.76.78.96:email,0.61.94.240:email,0.76.79.40:email,0.76.75.64:email]; DBL_BLOCKED_OPENRESOLVER(0.00)[sea.lore.kernel.org:helo,sea.lore.kernel.org:rdns]; RCPT_COUNT_TWELVE(0.00)[16]; FORGED_SENDER_MAILLIST(0.00)[]; FREEMAIL_CC(0.00)[vger.kernel.org,lists.infradead.org,lists.linux.dev,gmail.com]; RCVD_COUNT_FIVE(0.00)[6]; FROM_NEQ_ENVFROM(0.00)[jameshilliard1@gmail.com,linux-sunxi@lists.linux.dev]; TAGGED_FROM(0.00)[bounces-26834-noreply=patchwork.local]; FREEMAIL_FROM(0.00)[gmail.com]; R_SPF_ALLOW(0.00)[+ip4:172.234.253.10]; TO_DN_SOME(0.00)[]; RBL_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[172.234.253.10:from]; ASN(0.00)[asn:63949, ipnet:172.234.224.0/19, country:SG]; FREEMAIL_TO(0.00)[linuxfoundation.org,kernel.org,linux.intel.com,gmail.com,sholland.org]; MIME_TRACE(0.00)[0:+]; MID_RHS_MATCH_FROM(0.00)[]; FORGED_RECIPIENTS_MAILLIST(0.00)[]; ARC_ALLOW(0.00)[subspace.kernel.org:s=arc20261015:i=2]; RCVD_TLS_LAST(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[] X-Rspamd-Queue-Id: 2334D1C0B4C X-MORS-Enabled: yes X-MORS-DOMAIN: patchwork.local X-MORS-HOSTING: hosting172546 X-MORS-USER: hosting172546 X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= Use the H616 UART compatible for all six controllers so the driver can select their fixed 256-byte FIFO configuration and register layout. Retain the generic DesignWare compatible as a fallback for older kernels. Signed-off-by: James Hilliard --- arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi index c6b3a3f8359a..b4b2f85726e0 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi @@ -550,7 +550,7 @@ mmc2: mmc@4022000 { }; uart0: serial@5000000 { - compatible = "snps,dw-apb-uart"; + compatible = "allwinner,sun50i-h616-uart", "snps,dw-apb-uart"; reg = <0x05000000 0x400>; interrupts = ; reg-shift = <2>; @@ -563,7 +563,7 @@ uart0: serial@5000000 { }; uart1: serial@5000400 { - compatible = "snps,dw-apb-uart"; + compatible = "allwinner,sun50i-h616-uart", "snps,dw-apb-uart"; reg = <0x05000400 0x400>; interrupts = ; reg-shift = <2>; @@ -576,7 +576,7 @@ uart1: serial@5000400 { }; uart2: serial@5000800 { - compatible = "snps,dw-apb-uart"; + compatible = "allwinner,sun50i-h616-uart", "snps,dw-apb-uart"; reg = <0x05000800 0x400>; interrupts = ; reg-shift = <2>; @@ -589,7 +589,7 @@ uart2: serial@5000800 { }; uart3: serial@5000c00 { - compatible = "snps,dw-apb-uart"; + compatible = "allwinner,sun50i-h616-uart", "snps,dw-apb-uart"; reg = <0x05000c00 0x400>; interrupts = ; reg-shift = <2>; @@ -602,7 +602,7 @@ uart3: serial@5000c00 { }; uart4: serial@5001000 { - compatible = "snps,dw-apb-uart"; + compatible = "allwinner,sun50i-h616-uart", "snps,dw-apb-uart"; reg = <0x05001000 0x400>; interrupts = ; reg-shift = <2>; @@ -615,7 +615,7 @@ uart4: serial@5001000 { }; uart5: serial@5001400 { - compatible = "snps,dw-apb-uart"; + compatible = "allwinner,sun50i-h616-uart", "snps,dw-apb-uart"; reg = <0x05001400 0x400>; interrupts = ; reg-shift = <2>;