linux-kernel - [PATCH v2 0/4] Enable RSCI interfaces on RZ/G3E SMARC EVK

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Message-ID: <20251129185203.380002-1-biju.das.jz@bp.renesas.com>
Date: Sat, 29 Nov 2025 18:51:55 +0000
From: Biju <biju.das.au@...il.com>
To: Geert Uytterhoeven <geert+renesas@...der.be>,
	Magnus Damm <magnus.damm@...il.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>
Cc: Biju Das <biju.das.jz@...renesas.com>,
	linux-renesas-soc@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Prabhakar Mahadev Lad <prabhakar.mahadev-lad.rj@...renesas.com>,
	Biju Das <biju.das.au@...il.com>
Subject: [PATCH v2 0/4] Enable RSCI interfaces on RZ/G3E SMARC EVK

From: Biju Das <biju.das.jz@...renesas.com>

Enable device rsci{2,4,9} nodes for the RZ/G3E SMARC EVK.
Patch#4 is added for testing BT with rsci2 interface on M.2 KEY-E with
the device[1].

v1->v2:
 * Updated the compatible from r9a09g047-rscif->r9a09g047-rsci.
 * Renamed clk from bus->pclk
 * Rearranged tclk{4,16,64} clks.
 * Added missing irqs aed and bfd.
 * Used hexadecimal numbers for module clocks and resets, for
   easier matching with the documentation.
 * Collected tag.
 * Rearranged pincrl entries order by port number.
 * Updated the comments to reflect the board signals.
 * Added missing pins CTS4N and RTS4N.
 * rsci2 is guarded by macros SW_SER2_EN and SW_SER0_PMOD.
 * rsci4 is guarded by macros SW_LCD_EN and SW_SER0_PMOD.
 * rsci9 is guarded by macro SW_LCD_EN.
 * Added uart-has-rtscts to rsci4.
 * Dropped rsci{2,4,9} nodes from renesas-smarc2.dtsi as RZ/G3S does not
   have RSCI interfaces.

This patch series depend upon [2]

[1] https://www.embeddedartists.com/wp-content/uploads/2021/05/2AE_2BC_M2_Datasheet.pdf
[2] https://lore.kernel.org/all/20251129164325.209213-1-biju.das.jz@bp.renesas.com/

Biju Das (4):
  arm64: dts: renesas: r9a09g047: Add RSCI nodes
  arm64: dts: renesas: renesas-smarc2: Move aliases to board DTS
  arm64: dts: renesas: r9a09g047e57-smarc: Enable rsci{2,4,9} nodes
  arm64: dts: renesas: r9a09g047e57-smarc: Add support for WIFI + BT
    test

 arch/arm64/boot/dts/renesas/r9a09g047.dtsi    | 220 ++++++++++++++++++
 .../boot/dts/renesas/r9a09g047e57-smarc.dts   | 107 ++++++++-
 .../boot/dts/renesas/renesas-smarc2.dtsi      |  13 +-
 .../boot/dts/renesas/rzg3e-smarc-som.dtsi     |   4 +
 arch/arm64/configs/defconfig                  |  26 +++
 5 files changed, 363 insertions(+), 7 deletions(-)

-- 
2.43.0