linux-kernel - [PATCH 0/9] Add support for the rest of Renesas RZ/G3S serial interfaces

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Message-Id: <20241106120118.1719888-1-claudiu.beznea.uj@bp.renesas.com>
Date: Wed,  6 Nov 2024 14:01:09 +0200
From: Claudiu <claudiu.beznea@...on.dev>
To: geert+renesas@...der.be,
	magnus.damm@...il.com,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	mturquette@...libre.com,
	sboyd@...nel.org,
	gregkh@...uxfoundation.org,
	jirislaby@...nel.org,
	p.zabel@...gutronix.de,
	lethal@...ux-sh.org,
	g.liakhovetski@....de,
	ysato@...rs.sourceforge.jp,
	ulrich.hecht+renesas@...il.com
Cc: claudiu.beznea@...on.dev,
	linux-renesas-soc@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-clk@...r.kernel.org,
	linux-serial@...r.kernel.org,
	Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
Subject: [PATCH 0/9] Add support for the rest of Renesas RZ/G3S serial interfaces

From: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>

Hi,

The Renesas RZ/G3S SoC has 6 serial interfaces. One of them is used
as debug console (and it is already enabled in the current code base).
Series adds support for the remaining ones.

Patches:
-    01/09 - adds clock, reset and power domain support for the serial
             interfaces
- 02-03/09 - serial driver fixes patches identified while adding RZ/G3S
             support
-    04/09 - extends suspend to RAM support on the serial driver for
             the RZ/G3S SoC
- 05-09/09 - add device tree support

Merge strategy, if any:
- patch 01/09 can go through Renesas tree
- patches 02-04/09 can go through serial tree
- patches 05-09/09 can go through Renesas tree

Thank you,
Claudiu Beznea


Claudiu Beznea (9):
  clk: renesas: r9a08g045: Add clock, reset and power domain for the
    remaining SCIFs
  serial: sh-sci: Check if TX data was written to device in .tx_empty()
  serial: sh-sci: Clean sci_ports[0] after at earlycon exit
  serial: sh-sci: Update the suspend/resume support
  arm64: dts: renesas: r9a08g045: Add the remaining SCIF interfaces
  arm64: dts: renesas: rzg3s-smarc: Fix the debug serial alias
  arm64: dts: renesas: rzg3s-smarc-switches: Add a header to describe
    different switches
  arm64: dts: renesas: rzg3s-smarc: Enable SCIF3
  arm64: dts: renesas: r9a08g045s33-smarc-pmod: Add overlay for SCIF1

 arch/arm64/boot/dts/renesas/Makefile          |  3 +
 arch/arm64/boot/dts/renesas/r9a08g045.dtsi    | 90 ++++++++++++++++++
 .../dts/renesas/r9a08g045s33-smarc-pmod.dtso  | 48 ++++++++++
 .../boot/dts/renesas/rzg3s-smarc-som.dtsi     | 25 +----
 .../boot/dts/renesas/rzg3s-smarc-switches.h   | 32 +++++++
 arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi  | 25 ++++-
 drivers/clk/renesas/r9a08g045-cpg.c           | 20 ++++
 drivers/tty/serial/sh-sci.c                   | 92 +++++++++++++++++--
 8 files changed, 301 insertions(+), 34 deletions(-)
 create mode 100644 arch/arm64/boot/dts/renesas/r9a08g045s33-smarc-pmod.dtso
 create mode 100644 arch/arm64/boot/dts/renesas/rzg3s-smarc-switches.h

-- 
2.39.2