Linux-Renesas-SoC Archive on lore.kernel.org
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* [PATCH 0/6] spi: Add Renesas SPIBSC controller
@ 2019-12-03  3:45 Chris Brandt
  2019-12-03  3:45 ` [PATCH 1/6] clk: renesas: mstp: Add critical clock from device tree support Chris Brandt
                   ` (5 more replies)
  0 siblings, 6 replies; 50+ messages in thread
From: Chris Brandt @ 2019-12-03  3:45 UTC (permalink / raw)
  To: Mark Brown, Rob Herring, Mark Rutland, Geert Uytterhoeven,
	Michael Turquette, Stephen Boyd
  Cc: linux-spi, devicetree, linux-renesas-soc, linux-clk, Mason Yang,
	Sergei Shtylyov, Chris Brandt

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


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-- links below jump to the message on this page --
2019-12-03  3:45 [PATCH 0/6] spi: Add Renesas SPIBSC controller Chris Brandt
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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