Hi Simon, Magnus,
The Renesas Salvator-XS (Salvator-X 2nd version) development board can
be equipped with either an R-Car H3 ES2.0 or M3-W ES1.x SiP, which are
pin-compatible.
This patch series adds initial support for the Renesas Salvator-XS
development board equipped with an R-Car H3 ES2.0 SiP. The support
level is similar to the existing support for Salvator-X with the same
SiP. See below for exceptions.
The Salvator-XS board is similar but not identical to the already
supported Salvator-X board. To avoid duplication, the common parts are
extracted first into its own .dtsi file.
Noteworthy differences are:
- The main clock crystal ticks at a slightly different rate.
- On R-Car H3 ES2.0, SATA no longer uses dedicated pins, but shares
them with the second PCIe channel. To cater for this, a MAX4888B
multiplexer has been added to Salvator-XS. As the default hardware
configuration enables PCIe, I disabled SATA.
- The Versaclock5 clock generator has been replaced by a similar
member of the Versaclock6 family. As the latter is not supported by
Linux yet, I left it out.
- The USB3.0 micro-B connector is replaced by a USB2.0 micro-AB
connector (both are not yet supported, so no change is needed now).
Dependencies:
- renesas-devel-20170608-v4.12-rc4,
- "arm64: dts: salvator-x: Add missing index to PWM pinctrl subnode
name".
For your convenience, I've pushed this series, its dependencies, and a
few related driver changes to the topic/r8a7795-salvator-xs branch of
the git repository at
https://git.kernel.org/cgit/linux/kernel/git/geert/renesas-drivers.git
This has been tested on Salvator-XS with R-Car H3 ES2.0, and Salvator-X
with R-Car H3 ES1.0.
Thanks!
Geert Uytterhoeven (4):
ARM: shmobile: Document Renesas H3-based Salvator-XS board DT bindings
arm64: dts: renesas: Extract common Salvator-X/XS board support
arm64: dts: renesas: Add common Salvator-XS board support
arm64: dts: renesas: Add support for Salvator-XS with R-Car H3 ES2.0
Documentation/devicetree/bindings/arm/shmobile.txt | 2 +
arch/arm64/boot/dts/renesas/Makefile | 1 +
.../arm64/boot/dts/renesas/r8a7795-salvator-xs.dts | 109 ++++
.../{salvator-x.dtsi => salvator-common.dtsi} | 17 +-
arch/arm64/boot/dts/renesas/salvator-x.dtsi | 616 +--------------------
arch/arm64/boot/dts/renesas/salvator-xs.dtsi | 20 +
6 files changed, 134 insertions(+), 631 deletions(-)
create mode 100644 arch/arm64/boot/dts/renesas/r8a7795-salvator-xs.dts
copy arch/arm64/boot/dts/renesas/{salvator-x.dtsi => salvator-common.dtsi} (97%)
create mode 100644 arch/arm64/boot/dts/renesas/salvator-xs.dtsi
--
2.7.4
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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