linux-kernel - [PATCH v2 0/6] Add initial support for S32V234-EVB

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Message-ID: <20190809112853.15846-1-stefan-gabriel.mirea@nxp.com>
Date:   Fri, 9 Aug 2019 11:29:06 +0000
From:   Stefan-gabriel Mirea <stefan-gabriel.mirea@....com>
To:     "corbet@....net" <corbet@....net>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "catalin.marinas@....com" <catalin.marinas@....com>,
        "will@...nel.org" <will@...nel.org>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        Leo Li <leoyang.li@....com>
CC:     "jslaby@...e.com" <jslaby@...e.com>,
        "linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-serial@...r.kernel.org" <linux-serial@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: [PATCH v2 0/6] Add initial support for S32V234-EVB

Hello,

NXP's S32V234[1] ("Treerunner") vision microprocessors are targeted for
high-performance, computationally intensive vision and sensor fusion
applications that require automotive safety levels. They include leading
edge Camera Vision modules like APEX-2, ISP and GPU. The S32V234-EVB and
S32V234-SBC boards are available for customer evaluation.

The following patch series introduces minimal enablement support for the
NXP S32V234-EVB2[2] board, which leverages most of the SoC capabilities.
The series includes a driver for operating the on-chip LINFlexD controller
in UART mode.

In the future, we aim to submit multiple drivers upstream, which can be
found in the kernel of our Auto Linux BSP[3] ("ALB"), starting with basic
pinmuxing, clock and uSDHC drivers.

For validation, you can use the U-Boot bootloader in the ALB[4], which we
build and test with our patched version of the Linaro GCC 6.3.1 2017.05
toolchain for ARM 64-bit, with sources available on [5].

Changes in v2:
* Update the entry in fsl.yaml to apply to all S32V234 based boards;
* Add chosen node to dts, with a 'stdout-path' property for earlycon;
* Remove linflex_verify_port(), because it was only called from
  uart_set_info(), which was going to always fail at the "baud_base < 9600"
  check, as we are not using uartclk from uart_port yet;
* Fix compatible string used in OF_EARLYCON_DECLARE.

[1] https://www.nxp.com/products/processors-and-microcontrollers/arm-based-processors-and-mcus/s32-automotive-platform/vision-processor-for-front-and-surround-view-camera-machine-learning-and-sensor-fusion:S32V234
[2] https://www.nxp.com/support/developer-resources/evaluation-and-development-boards/ultra-reliable-dev-platforms/s32v-mpus-platforms/s32v-vision-and-sensor-fusion-evaluation-system:S32V234EVB
[3] https://source.codeaurora.org/external/autobsps32/linux/
[4] https://source.codeaurora.org/external/autobsps32/u-boot/
[5] https://source.codeaurora.org/external/s32ds/compiler/gcc/

Eddy Petrișor (1):
  dt-bindings: arm: fsl: Add the S32V234-EVB board

Mihaela Martinas (2):
  arm64: Introduce config for S32
  arm64: defconfig: Enable configs for S32V234

Stefan-Gabriel Mirea (1):
  tty: serial: Add linflexuart driver for S32V234

Stoica Cosmin-Stefan (2):
  arm64: dts: fsl: Add device tree for S32V234-EVB
  dt-bindings: serial: Document Freescale LINFlex UART

 .../admin-guide/kernel-parameters.txt         |   6 +
 .../devicetree/bindings/arm/fsl.yaml          |   6 +
 .../bindings/serial/fsl,s32-linflexuart.txt   |  24 +
 arch/arm64/Kconfig.platforms                  |   5 +
 arch/arm64/boot/dts/freescale/Makefile        |   2 +
 .../boot/dts/freescale/fsl-s32v234-evb.dts    |  24 +
 .../arm64/boot/dts/freescale/fsl-s32v234.dtsi | 130 +++
 arch/arm64/configs/defconfig                  |   3 +
 drivers/tty/serial/Kconfig                    |  15 +
 drivers/tty/serial/Makefile                   |   1 +
 drivers/tty/serial/fsl_linflexuart.c          | 942 ++++++++++++++++++
 include/uapi/linux/serial_core.h              |   3 +
 12 files changed, 1161 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/serial/fsl,s32-linflexuart.txt
 create mode 100644 arch/arm64/boot/dts/freescale/fsl-s32v234-evb.dts
 create mode 100644 arch/arm64/boot/dts/freescale/fsl-s32v234.dtsi
 create mode 100644 drivers/tty/serial/fsl_linflexuart.c

-- 
2.22.0