From: gregory.clement@free-electrons•com (Gregory CLEMENT)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH v2 16/16] arm64: dts: marvell: armada-3720-espressobin: fill UART nodes
Date: Mon, 30 Oct 2017 16:46:13 +0100 [thread overview]
Message-ID: <87fua01vwa.fsf@free-electrons.com> (raw)
In-Reply-To: <20171013090200.31034-17-miquel.raynal@free-electrons.com> (Miquel Raynal's message of "Fri, 13 Oct 2017 11:02:00 +0200")
Hi Miquel,
On ven., oct. 13 2017, Miquel Raynal <miquel.raynal@free-electrons•com> wrote:
> Fill ESPRESSObin uart0 node with pinctrl information like in the
> Armada-3720-DB device tree (which uses the same node).
>
> Also explain how to enable the second UART port available on the
> headers. This second port is not enabled by default because both
> headers are dedicated to expose general purpose pins and remapping
> some of them to use the second UART would break existing users.
>
> Suggested-by: L?szl? ?SHIN <laszlo@ashin•hu>
> Signed-off-by: Miquel Raynal <miquel.raynal@free-electrons•com>
Applied on mvebu/dt64
Thanks,
Gregory
> ---
>
> Changes since v1: comment about UART1 node.
>
> arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts b/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts
> index 2ce52ba74f73..bdfb5553ddb5 100644
> --- a/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts
> +++ b/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts
> @@ -98,9 +98,21 @@
>
> /* Exported on the micro USB connector J5 through an FTDI */
> &uart0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&uart1_pins>;
> status = "okay";
> };
>
> +/*
> + * Connector J17 and J18 expose a number of different features. Some pins are
> + * multiplexed. This is the case for instance for the following features:
> + * - UART1 (pin 24 = RX, pin 26 = TX). See armada-3720-db.dts for an example of
> + * how to enable it. Beware that the signals are 1.8V TTL.
> + * - I2C
> + * - SPI
> + * - MMC
> + */
> +
> /* J7 */
> &usb3 {
> status = "okay";
> --
> 2.11.0
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel at lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
--
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com
prev parent reply other threads:[~2017-10-30 15:46 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-13 9:01 [PATCH v2 00/16] Support armada-37xx second UART port Miquel Raynal
2017-10-13 9:01 ` [PATCH v2 01/16] dt-bindings: mvebu-uart: update documentation with extended UART Miquel Raynal
2017-10-17 22:00 ` Rob Herring
2017-10-18 6:25 ` Miquel RAYNAL
2017-10-18 13:29 ` Rob Herring
2017-10-19 7:36 ` Miquel RAYNAL
2017-10-13 9:01 ` [PATCH v2 02/16] pinctrl: dt-bindings: Fix A37xx uart2 group name Miquel Raynal
2017-10-16 11:56 ` Linus Walleij
2017-10-13 9:01 ` [PATCH v2 03/16] serial: mvebu-uart: use driver name when requesting an interrupt Miquel Raynal
2017-10-13 9:01 ` [PATCH v2 04/16] serial: mvebu-uart: support probe of multiple ports Miquel Raynal
2017-10-13 9:40 ` Gregory CLEMENT
2017-10-13 11:17 ` Miquel RAYNAL
2017-10-13 11:22 ` Gregory CLEMENT
2017-10-13 9:01 ` [PATCH v2 05/16] serial: mvebu-uart: use a generic way to access the registers Miquel Raynal
2017-10-13 9:01 ` [PATCH v2 06/16] serial: mvebu-uart: add soft reset at probe Miquel Raynal
2017-10-13 9:01 ` [PATCH v2 07/16] serial: mvebu-uart: add function to change baudrate Miquel Raynal
2017-10-13 9:01 ` [PATCH v2 08/16] serial: mvebu-uart: clear state register before IRQ request Miquel Raynal
2017-10-13 9:01 ` [PATCH v2 09/16] serial: mvebu-uart: add TX interrupt trigger for pulse interrupts Miquel Raynal
2017-10-13 9:01 ` [PATCH v2 10/16] serial: mvebu-uart: dissociate RX and TX interrupts Miquel Raynal
2017-10-13 9:01 ` [PATCH v2 11/16] serial: mvebu-uart: augment the maximum number of ports Miquel Raynal
2017-10-13 9:01 ` [PATCH v2 12/16] serial: mvebu-uart: support extended port registers layout Miquel Raynal
2017-10-13 9:01 ` [PATCH v2 13/16] arm64: dts: marvell: armada-37xx: add UART clock Miquel Raynal
2017-10-30 15:45 ` Gregory CLEMENT
2017-10-13 9:01 ` [PATCH v2 14/16] arm64: dts: marvell: armada-37xx: add second UART port Miquel Raynal
2017-10-30 15:45 ` Gregory CLEMENT
2017-10-13 9:01 ` [PATCH v2 15/16] arm64: dts: marvell: armada-3720-db: enable " Miquel Raynal
2017-10-30 15:46 ` Gregory CLEMENT
2017-10-13 9:02 ` [PATCH v2 16/16] arm64: dts: marvell: armada-3720-espressobin: fill UART nodes Miquel Raynal
2017-10-30 15:46 ` Gregory CLEMENT [this message]
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