linux-kernel - Re: [PATCH v2 00/12] Add new Renesas RZ/G2L SoC and Renesas RZ/G2L SMARC EVK support

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Date:   Mon, 7 Jun 2021 12:00:57 +0100
From:   "Lad, Prabhakar" <prabhakar.csengg@...il.com>
To:     Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Cc:     Geert Uytterhoeven <geert+renesas@...der.be>,
        Magnus Damm <magnus.damm@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jirislaby@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>,
        linux-clk <linux-clk@...r.kernel.org>,
        LAK <linux-arm-kernel@...ts.infradead.org>,
        "open list:SERIAL DRIVERS" <linux-serial@...r.kernel.org>,
        Biju Das <biju.das.jz@...renesas.com>
Subject: Re: [PATCH v2 00/12] Add new Renesas RZ/G2L SoC and Renesas RZ/G2L
 SMARC EVK support

Hi Geert,

On Thu, Jun 3, 2021 at 11:18 PM Lad Prabhakar
<prabhakar.mahadev-lad.rj@...renesas.com> wrote:
>
> Hi All,
>
> This patch series adds initial support for Renesas RZ/G2L SoC and
> Renesas RZ/G2L SMARC EVK.
>
> Initial patches enables minimal peripherals on Renesas RZ/G2L
> SMARC EVK and booted via initramfs.
> * Documentation for RZ/G2{L,LC,UL} SoC variants
> * SoC identification support
> * CPG core support
> * Minimal SoC DTSi
> * Minimal DTS for SMARC EVK
>
> Changes for v2:
> * Included type-2 RZ/G2Ul SoC in binding doc
> * Added single entry for SMARC EVK "renesas,smarc-evk"
> * Renamed ARCH_R9A07G044L to ARCH_R9A07G044 and
>   dropped ARCH_R9A07G044LC config
> * Dropped SoC identification changes will post them as
>   separate patch.
> * Updated comment in sh-sci.c
> * Binding documentation patch for serial driver has been
>   accepted so dropped the patch from this series
> * Incorporated changes requested by Geert for CPG core
> * Fixed dtbs_check errors
> * Dropped 'clock-names'/'clocks'/'power-domains'/'resets'
>   properties from GIC node and will include them in a separate
>   patch along with arm,gic-v3.yaml binding updates
> * Included ACK's from Rob
>
> Patches are based on top of [1] master branch.
>
> [1] https://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers.git/
>
> Cheers,
> Prabhakar
>
> Biju Das (1):
>   serial: sh-sci: Add support for RZ/G2L SoC
>
> Lad Prabhakar (11):
>   dt-bindings: arm: renesas: Document Renesas RZ/G2UL SoC
>   dt-bindings: arm: renesas: Document Renesas RZ/G2{L,LC} SoC variants
>   dt-bindings: arm: renesas: Document SMARC EVK
>   soc: renesas: Add ARCH_R9A07G044 for the new RZ/G2L SoC's
>   arm64: defconfig: Enable ARCH_R9A07G044
>   clk: renesas: Define RZ/G2L CPG Clock Definitions
>   dt-bindings: clock: renesas: Document RZ/G2L SoC CPG driver
>   clk: renesas: Add CPG core wrapper for RZ/G2L SoC
>   clk: renesas: Add support for R9A07G044 SoC
>   arm64: dts: renesas: Add initial DTSI for RZ/G2{L,LC} SoC's
>   arm64: dts: renesas: Add initial device tree for RZ/G2L SMARC EVK
>
Biju pointed out USB/ADC isn't working with the current implementation
on upstream kernel, I'll have to re-structure to accommodate this
use-case. I'll send a v3 fixing the issue.

Sorry for the inconvenience.

Cheers,
Prabhakar

>  .../devicetree/bindings/arm/renesas.yaml      |  18 +
>  .../bindings/clock/renesas,rzg2l-cpg.yaml     |  80 ++
>  arch/arm64/boot/dts/renesas/Makefile          |   2 +
>  arch/arm64/boot/dts/renesas/r9a07g044.dtsi    | 119 +++
>  arch/arm64/boot/dts/renesas/r9a07g044l1.dtsi  |  25 +
>  .../boot/dts/renesas/r9a07g044l2-smarc.dts    |  21 +
>  arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi  |  27 +
>  arch/arm64/configs/defconfig                  |   1 +
>  drivers/clk/renesas/Kconfig                   |   9 +
>  drivers/clk/renesas/Makefile                  |   2 +
>  drivers/clk/renesas/r9a07g044-cpg.c           | 372 +++++++
>  drivers/clk/renesas/renesas-rzg2l-cpg.c       | 979 ++++++++++++++++++
>  drivers/clk/renesas/renesas-rzg2l-cpg.h       | 217 ++++
>  drivers/soc/renesas/Kconfig                   |   5 +
>  drivers/tty/serial/sh-sci.c                   |  12 +-
>  drivers/tty/serial/sh-sci.h                   |   1 +
>  include/dt-bindings/clock/r9a07g044-cpg.h     |  89 ++
>  17 files changed, 1978 insertions(+), 1 deletion(-)
>  create mode 100644 Documentation/devicetree/bindings/clock/renesas,rzg2l-cpg.yaml
>  create mode 100644 arch/arm64/boot/dts/renesas/r9a07g044.dtsi
>  create mode 100644 arch/arm64/boot/dts/renesas/r9a07g044l1.dtsi
>  create mode 100644 arch/arm64/boot/dts/renesas/r9a07g044l2-smarc.dts
>  create mode 100644 arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi
>  create mode 100644 drivers/clk/renesas/r9a07g044-cpg.c
>  create mode 100644 drivers/clk/renesas/renesas-rzg2l-cpg.c
>  create mode 100644 drivers/clk/renesas/renesas-rzg2l-cpg.h
>  create mode 100644 include/dt-bindings/clock/r9a07g044-cpg.h
>
> --
> 2.17.1
>