linux-kernel - Re: [PATCH v2 00/13] Support Pensando Elba SoC

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Date:   Wed, 31 Mar 2021 19:17:38 +0300
From:   Serge Semin <fancer.lancer@...il.com>
To:     Brad Larson <brad@...sando.io>
Cc:     linux-arm-kernel@...ts.infradead.org, arnd@...db.de,
        linus.walleij@...aro.org, bgolaszewski@...libre.com,
        broonie@...nel.org, adrian.hunter@...el.com,
        ulf.hansson@...aro.org, olof@...om.net, linux-gpio@...r.kernel.org,
        linux-spi@...r.kernel.org, linux-mmc@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 00/13] Support Pensando Elba SoC

Hi Brad

On Sun, Mar 28, 2021 at 06:59:25PM -0700, Brad Larson wrote:
> This series enables support for Pensando Elba SoC based platforms.
> The Elba SoC has the following features:
> 
> - Sixteen ARM64 A72 cores
> - Dual DDR 4/5 memory controllers
> - 32 lanes of PCIe Gen3/4 to the Host
> - Network interfaces: Dual 200GE, Quad 100GE, 50GE, 25GE, 10GE and
>   also a single 1GE management port.
> - Storage/crypto offloads and 144 programmable P4 cores.
> - QSPI and EMMC for SoC storage
> - Two SPI interfaces for peripheral management
> - I2C bus for platform management
> 
> See below for an overview of changes since v1.
> 
> == Patch overview ==
> 
> - 01    Fix typo, return code value and log message.
> - 03    Remove else clause, intrinsic DW chip-select is never used.
> - 08-11 Split out dts and bindings to sub-patches
> - 10    Converted existing cadence-quadspi.txt to YAML schema
> - 13    New driver should use <linux/gpio/driver.h>

That would be super-useful if each changelog entry was also added to the
individual patches below "---" splitter.

-Sergey

> 
> Brad Larson (13):
>   gpio: Add Elba SoC gpio driver for spi cs control
>   spi: cadence-quadspi: Add QSPI support for Pensando Elba SoC
>   spi: dw: Add support for Pensando Elba SoC SPI
>   spidev: Add Pensando CPLD compatible
>   mmc: sdhci-cadence: Add Pensando Elba SoC support
>   arm64: Add config for Pensando SoC platforms
>   arm64: dts: Add Pensando Elba SoC support
>   dt-bindings: Add pensando vendor prefix
>   dt-bindings: mmc: Add Pensando Elba SoC binding
>   dt-bindings: spi: cadence-qspi: Add support for Pensando Elba SoC
>   dt-bindings: gpio: Add Pensando Elba SoC support
>   MAINTAINERS: Add entry for PENSANDO
>   gpio: Use linux/gpio/driver.h
> 
>  .../bindings/gpio/pensando,elba-spics.yaml    |  50 +++
>  .../devicetree/bindings/mmc/cdns,sdhci.yaml   |   1 +
>  .../bindings/spi/cadence-quadspi.txt          |  68 ----
>  .../bindings/spi/cadence-quadspi.yaml         | 153 +++++++++
>  .../devicetree/bindings/vendor-prefixes.yaml  |   2 +
>  MAINTAINERS                                   |   9 +
>  arch/arm64/Kconfig.platforms                  |   5 +
>  arch/arm64/boot/dts/Makefile                  |   1 +
>  arch/arm64/boot/dts/pensando/Makefile         |   6 +
>  arch/arm64/boot/dts/pensando/elba-16core.dtsi | 170 ++++++++++
>  .../boot/dts/pensando/elba-asic-common.dtsi   | 112 +++++++
>  arch/arm64/boot/dts/pensando/elba-asic.dts    |   7 +
>  .../boot/dts/pensando/elba-flash-parts.dtsi   |  78 +++++
>  arch/arm64/boot/dts/pensando/elba.dtsi        | 310 ++++++++++++++++++
>  drivers/gpio/Kconfig                          |   6 +
>  drivers/gpio/Makefile                         |   1 +
>  drivers/gpio/gpio-elba-spics.c                | 113 +++++++
>  drivers/mmc/host/Kconfig                      |  15 +
>  drivers/mmc/host/Makefile                     |   1 +
>  drivers/mmc/host/sdhci-cadence-elba.c         | 137 ++++++++
>  drivers/mmc/host/sdhci-cadence.c              |  81 +++--
>  drivers/mmc/host/sdhci-cadence.h              |  68 ++++
>  drivers/spi/spi-cadence-quadspi.c             |   9 +
>  drivers/spi/spi-dw-mmio.c                     |  28 +-
>  drivers/spi/spidev.c                          |   1 +
>  25 files changed, 1321 insertions(+), 111 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/gpio/pensando,elba-spics.yaml
>  delete mode 100644 Documentation/devicetree/bindings/spi/cadence-quadspi.txt
>  create mode 100644 Documentation/devicetree/bindings/spi/cadence-quadspi.yaml
>  create mode 100644 arch/arm64/boot/dts/pensando/Makefile
>  create mode 100644 arch/arm64/boot/dts/pensando/elba-16core.dtsi
>  create mode 100644 arch/arm64/boot/dts/pensando/elba-asic-common.dtsi
>  create mode 100644 arch/arm64/boot/dts/pensando/elba-asic.dts
>  create mode 100644 arch/arm64/boot/dts/pensando/elba-flash-parts.dtsi
>  create mode 100644 arch/arm64/boot/dts/pensando/elba.dtsi
>  create mode 100644 drivers/gpio/gpio-elba-spics.c
>  create mode 100644 drivers/mmc/host/sdhci-cadence-elba.c
>  create mode 100644 drivers/mmc/host/sdhci-cadence.h
> 
> -- 
> 2.17.1
>