linux-kernel - [PATCH 0/2] Add support for Tegra UART Trace Controller (UTC) client

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Message-ID: <20250128064633.12381-1-kkartik@nvidia.com>
Date: Tue, 28 Jan 2025 12:16:31 +0530
From: Kartik Rajput <kkartik@...dia.com>
To: <gregkh@...uxfoundation.org>, <jirislaby@...nel.org>, <robh@...nel.org>,
	<krzk+dt@...nel.org>, <conor+dt@...nel.org>, <thierry.reding@...il.com>,
	<jonathanh@...dia.com>, <hvilleneuve@...onoff.com>, <arnd@...nel.org>,
	<geert+renesas@...der.be>, <robert.marko@...tura.hr>,
	<schnelle@...ux.ibm.com>, <andriy.shevchenko@...ux.intel.com>,
	<linux-kernel@...r.kernel.org>, <linux-serial@...r.kernel.org>,
	<devicetree@...r.kernel.org>, <linux-tegra@...r.kernel.org>
Subject: [PATCH 0/2] Add support for Tegra UART Trace Controller (UTC) client

The Tegra UTC (UART Trace Controller) is a hardware controller that allows
multiple systems within the Tegra SoC to share a hardware UART interface.
It supports up to 16 clients, with each client having its own interrupt and a
FIFO buffer for both RX (receive) and TX (transmit), each capable of holding
128 characters.

The Tegra UTC uses 8-N-1 configuration and operates on a pre-configured
baudrate, which is configured by the bootloader.

Kartik Rajput (2):
  dt-bindings: serial: Add bindings for nvidia,tegra264-utc
  serial: tegra-utc: Add driver for Tegra UART Trace Controller (UTC)

 .../bindings/serial/nvidia,tegra264-utc.yaml  |  83 +++
 drivers/tty/serial/Kconfig                    |  23 +
 drivers/tty/serial/Makefile                   |   1 +
 drivers/tty/serial/tegra-utc.c                | 641 ++++++++++++++++++
 4 files changed, 748 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/serial/nvidia,tegra264-utc.yaml
 create mode 100644 drivers/tty/serial/tegra-utc.c

-- 
2.43.0