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[174.29.1.49]) by smtp.gmail.com with ESMTPSA id 5614622812f47-55be9880a99sm909562b6e.14.2026.10.23.00.34.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 23 Oct 2026 00:34:01 -0700 (PDT) From: James Hilliard Date: Fri, 23 Oct 2026 01:33:51 -0600 Subject: [PATCH 3/3] arm64: dts: allwinner: h616: identify the UART integration X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20261023-submit-h616-uart-fifo-v1-v1-3-e4a3bae2eba8@gmail.com> References: <20261023-submit-h616-uart-fifo-v1-v1-0-e4a3bae2eba8@gmail.com> In-Reply-To: <20261023-submit-h616-uart-fifo-v1-v1-0-e4a3bae2eba8@gmail.com> To: Greg Kroah-Hartman , Jiri Slaby , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Andy Shevchenko , =?utf-8?q?Ilpo_J=C3=A4rvinen?= , 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 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 1598e86259ab..6905c9eaa249 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi @@ -538,7 +538,7 @@ 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>; @@ -551,7 +551,7 @@ 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>; @@ -564,7 +564,7 @@ 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>; @@ -577,7 +577,7 @@ 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>; @@ -590,7 +590,7 @@ 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>; @@ -603,7 +603,7 @@ 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>; -- 2.53.0