From: Chris Brandt <chris.brandt@renesas.com>
To: Mark Brown <broonie@kernel.org>, Rob Herring <robh+dt@kernel.org>,
"Mark Rutland" <mark.rutland@arm.com>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Michael Turquette <mturquette@baylibre.com>,
Stephen Boyd <sboyd@kernel.org>
Cc: <linux-spi@vger.kernel.org>, <devicetree@vger.kernel.org>,
<linux-renesas-soc@vger.kernel.org>, <linux-clk@vger.kernel.org>,
Mason Yang <masonccyang@mxic.com.tw>,
Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>,
Chris Brandt <chris.brandt@renesas.com>
Subject: [PATCH 0/6] spi: Add Renesas SPIBSC controller
Date: Mon, 2 Dec 2019 22:45:13 -0500 [thread overview]
Message-ID: <20191203034519.5640-1-chris.brandt@renesas.com> (raw)
The Renesas SPI Bus Space Controller (SPIBSC) HW was specifically designed for
accessing SPI flash devices. In the hardware manuals, it is almost always
labeled as the "Renesas SPI Multi I/O Bus Controller". However, the HW IP is
usually referred to within Renesas as the "SPIBSC" block.
This driver has been tested on an RZ/A1H RSK and RZ/A2M EVB.
The testing mostly consisted of formatting an area as JFFS2 and doing copying
of files and such.
While the HW changed a little between the RZ/A1 and RZ/A2 generations, the IP
block in the RZ/A2M was taken from the R-Car H3 design, so in theory this
driver should work for R-Car Gen3 as well.
Chris Brandt (6):
clk: renesas: mstp: Add critical clock from device tree support
ARM: dts: r7s72100: Add SPIBSC clocks
clk: renesas: r7s9210: Add SPIBSC clock
spi: Add SPIBSC driver
ARM: dts: r7s9210: Add SPIBSC Device support
dt-bindings: spi: Document Renesas SPIBSC bindings
.../bindings/spi/spi-renesas-spibsc.txt | 48 ++
arch/arm/boot/dts/r7s72100.dtsi | 26 +-
arch/arm/boot/dts/r7s9210.dtsi | 10 +
drivers/clk/renesas/clk-mstp.c | 16 +-
drivers/clk/renesas/r7s9210-cpg-mssr.c | 9 +
drivers/spi/Kconfig | 8 +
drivers/spi/Makefile | 1 +
drivers/spi/spi-spibsc.c | 609 ++++++++++++++++++
8 files changed, 719 insertions(+), 8 deletions(-)
create mode 100644 Documentation/devicetree/bindings/spi/spi-renesas-spibsc.txt
create mode 100644 drivers/spi/spi-spibsc.c
--
2.23.0
next reply other threads:[~2019-12-03 4:04 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-03 3:45 Chris Brandt [this message]
2019-12-03 3:45 ` [PATCH 1/6] clk: renesas: mstp: Add critical clock from device tree support Chris Brandt
2019-12-03 18:32 ` Geert Uytterhoeven
2019-12-03 18:46 ` Chris Brandt
2019-12-03 18:51 ` Geert Uytterhoeven
2019-12-03 3:45 ` [PATCH 2/6] ARM: dts: r7s72100: Add SPIBSC clocks Chris Brandt
2019-12-03 18:42 ` Geert Uytterhoeven
2019-12-03 18:57 ` Chris Brandt
2019-12-03 19:12 ` Geert Uytterhoeven
2019-12-04 8:38 ` Lee Jones
2019-12-04 9:03 ` Geert Uytterhoeven
2019-12-04 9:47 ` Lee Jones
2019-12-04 11:00 ` Chris Brandt
2019-12-03 3:45 ` [PATCH 3/6] clk: renesas: r7s9210: Add SPIBSC clock Chris Brandt
2019-12-03 18:49 ` Geert Uytterhoeven
2019-12-03 19:09 ` Chris Brandt
2019-12-03 20:40 ` Geert Uytterhoeven
2019-12-04 3:09 ` Chris Brandt
2019-12-03 3:45 ` [PATCH 4/6] spi: Add SPIBSC driver Chris Brandt
2019-12-03 14:19 ` Mark Brown
2019-12-03 15:00 ` Chris Brandt
2019-12-03 18:29 ` Geert Uytterhoeven
2019-12-04 11:25 ` Mark Brown
2019-12-04 12:14 ` Geert Uytterhoeven
2019-12-04 15:51 ` Chris Brandt
2019-12-04 16:49 ` Mark Brown
2019-12-03 18:28 ` Geert Uytterhoeven
2019-12-04 11:18 ` Mark Brown
2019-12-04 22:12 ` Chris Brandt
2019-12-03 3:45 ` [PATCH 5/6] ARM: dts: r7s9210: Add SPIBSC Device support Chris Brandt
2019-12-03 18:59 ` Geert Uytterhoeven
2019-12-03 22:38 ` Chris Brandt
2019-12-04 7:57 ` Geert Uytterhoeven
2019-12-04 11:04 ` Chris Brandt
2019-12-03 3:45 ` [PATCH 6/6] dt-bindings: spi: Document Renesas SPIBSC bindings Chris Brandt
2019-12-03 9:14 ` Sergei Shtylyov
2019-12-03 13:27 ` Chris Brandt
2019-12-03 16:04 ` Sergei Shtylyov
2019-12-03 16:35 ` Chris Brandt
2019-12-03 18:57 ` Geert Uytterhoeven
2019-12-03 20:39 ` Geert Uytterhoeven
2019-12-04 2:54 ` Chris Brandt
2019-12-04 8:56 ` Geert Uytterhoeven
2019-12-04 13:31 ` Chris Brandt
2019-12-05 15:48 ` Geert Uytterhoeven
2019-12-05 16:00 ` Chris Brandt
2019-12-04 8:40 ` Geert Uytterhoeven
2019-12-03 22:33 ` Chris Brandt
2019-12-04 8:43 ` Geert Uytterhoeven
2019-12-04 11:19 ` Chris Brandt
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