From: Nishanth Menon <nm@ti.com>
To: Parth Pancholi <parth105105@gmail.com>
Cc: <devicetree@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>,
Francesco Dolcini <francesco.dolcini@toradex.com>,
Marcel Ziswiler <marcel.ziswiler@toradex.com>,
Parth Pancholi <parth.pancholi@toradex.com>,
Conor Dooley <conor+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Rob Herring <robh+dt@kernel.org>, Tero Kristo <kristo@kernel.org>,
Vignesh Raghavendra <vigneshr@ti.com>
Subject: Re: [PATCH v1] arm64: dts: k3-am625-verdin: enable Verdin UART2
Date: Thu, 23 Nov 2023 01:12:35 -0600 [thread overview]
Message-ID: <20231123071235.omgxs3ixnojpkfvu@greeter> (raw)
In-Reply-To: <20231121160436.1032364-1-parth105105@gmail.com>
On 17:04-20231121, Parth Pancholi wrote:
> From: Parth Pancholi <parth.pancholi@toradex.com>
>
> Enable UART2 for AM62 based SOM's Verdin carrier boards Dahlia,
> Development and Yavia.
> Earlier Verdin UART2 was reserved by R5 DM firmware which can be now
> configured using boardcfg during U-boot compilation in the latest TI
> SDKs. In a default config, no one writes to this UART.
>
> Signed-off-by: Parth Pancholi <parth.pancholi@toradex.com>
>
> ---
>
> arch/arm64/boot/dts/ti/k3-am62-verdin-dahlia.dtsi | 3 +--
> arch/arm64/boot/dts/ti/k3-am62-verdin-dev.dtsi | 3 +--
> arch/arm64/boot/dts/ti/k3-am62-verdin-yavia.dtsi | 3 +--
> 3 files changed, 3 insertions(+), 6 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-am62-verdin-dahlia.dtsi b/arch/arm64/boot/dts/ti/k3-am62-verdin-dahlia.dtsi
> index 013357d17d48..bf6d27e70bc4 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62-verdin-dahlia.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am62-verdin-dahlia.dtsi
> @@ -214,6 +214,5 @@ &verdin_gpio_keys {
>
> /* Verdin UART_2 */
> &wkup_uart0 {
> - /* FIXME: WKUP UART0 is used by DM firmware */
> - status = "reserved";
> + status = "okay";
> };
> diff --git a/arch/arm64/boot/dts/ti/k3-am62-verdin-dev.dtsi b/arch/arm64/boot/dts/ti/k3-am62-verdin-dev.dtsi
> index 6701cb8974bb..680071688dcb 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62-verdin-dev.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am62-verdin-dev.dtsi
> @@ -235,6 +235,5 @@ &verdin_gpio_keys {
>
> /* Verdin UART_2 */
> &wkup_uart0 {
> - /* FIXME: WKUP UART0 is used by DM firmware */
> - status = "reserved";
> + status = "okay";
> };
> diff --git a/arch/arm64/boot/dts/ti/k3-am62-verdin-yavia.dtsi b/arch/arm64/boot/dts/ti/k3-am62-verdin-yavia.dtsi
> index c685df7deaee..997dfafd27eb 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62-verdin-yavia.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am62-verdin-yavia.dtsi
> @@ -207,6 +207,5 @@ &verdin_gpio_keys {
>
> /* Verdin UART_2 */
> &wkup_uart0 {
> - /* FIXME: WKUP UART0 is used by DM firmware */
> - status = "reserved";
> + status = "okay";
> };
> --
> 2.34.1
>
Do the &pinctrl_wkup_uart0 in verdin.dtsi hold good through these
variants?
--
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D
next prev parent reply other threads:[~2023-11-23 7:12 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-21 16:04 [PATCH v1] arm64: dts: k3-am625-verdin: enable Verdin UART2 Parth Pancholi
2023-11-23 7:12 ` Nishanth Menon [this message]
2023-11-23 8:58 ` Francesco Dolcini
2023-11-23 9:00 ` Francesco Dolcini
2023-12-04 21:13 ` Nishanth Menon
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