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
next prev parent 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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