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From: Neil Armstrong <neil.armstrong@linaro.org>
To: Ronald Claveau <linux-kernel-dev@aliel.fr>,
	Kevin Hilman <khilman@baylibre.com>,
	Jerome Brunet <jbrunet@baylibre.com>,
	Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org,
	linux-amlogic@lists.infradead.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 1/3] arm64: dts: amlogic: t7: Add uart_c pinctrl pins group
Date: Mon, 20 Apr 2026 10:47:51 +0200	[thread overview]
Message-ID: <b6c2615f-74c7-4a08-88e7-0cf0842687df@linaro.org> (raw)
In-Reply-To: <20260416-add-bluetooth-t7-vim4-v2-1-9a57098fd055@aliel.fr>

On 4/16/26 10:54, Ronald Claveau wrote:
> Add the pin multiplexing configuration for UART C (TX, RX, CTS, RTS)
> in the T7 SoC pinctrl node, required to route the UART C signals
> through the correct pads before enabling the controller.
> 
> Signed-off-by: Ronald Claveau <linux-kernel-dev@aliel.fr>
> ---
>   arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi | 12 ++++++++++++
>   1 file changed, 12 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi b/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi
> index 7fe72c94ed623..4a55d9641bc9b 100644
> --- a/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi
> +++ b/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi
> @@ -553,6 +553,18 @@ mux {
>   						bias-pull-up;
>   					};
>   				};
> +
> +				uart_c_pins: uart-c {
> +					mux {
> +						groups = "uart_c_tx",
> +							 "uart_c_rx",
> +							 "uart_c_cts",
> +							 "uart_c_rts";
> +						bias-pull-up;
> +						output-high;
> +						function = "uart_c";
> +					};
> +				};
>   			};
>   
>   			gpio_intc: interrupt-controller@4080 {
> 

Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>

Thanks,
Neil


  reply	other threads:[~2026-04-20  8:48 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-16  8:54 [PATCH v2 0/3] arm64: dts: amlogic: t7: Add UART support and enable Bluetooth on VIM4 Ronald Claveau
2026-04-16  8:54 ` [PATCH v2 1/3] arm64: dts: amlogic: t7: Add uart_c pinctrl pins group Ronald Claveau
2026-04-20  8:47   ` Neil Armstrong [this message]
2026-04-16  8:54 ` [PATCH v2 2/3] arm64: dts: amlogic: t7: Add UART controllers nodes Ronald Claveau
2026-04-20  8:47   ` Neil Armstrong
2026-04-16  8:54 ` [PATCH v2 3/3] arm64: dts: amlogic: t7: khadas-vim4: Enable Bluetooth Ronald Claveau
2026-04-20  8:47   ` Neil Armstrong
2026-04-20  9:26     ` Ronald Claveau

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