[Letux-kernel] [PATCH v7 00/12] ARM/MIPS: DTS: add child nodes describing the PVRSGX GPU present in some OMAP SoC and JZ4780 (and many more)

H. Nikolaus Schaller hns at goldelico.com
Fri Apr 24 22:34:03 CEST 2020

* changed commit message for the dt-bindings to better describe latest situation
* added properties for up to 4 clocks, reset, power-domains, sgx-supply - proposed by Maxime Ripard <maxime at cerno.tech>
* fixed jz4780 and s5pv210 to use "core" clock name
* simplified example
* update for arm: dts: s5pv210 - by Jonathan Bakker <xc-racer2 at live.ca>
* removed a stray " from binding which had creeped in through copy&paste 
* fixed commit / tested-by messages and some not well formed commit messages - suggested by Krzysztof Kozlowski <krzk at kernel.org>
* added a $nodename: pattern: to enforce "gpu" nodenames - inspired by Neil Armstrong <narmstrong at baylibre.com>
* fixed node name for s5pv210 - suggested by Sergei Shtylyov <sergei.shtylyov at cogentembedded.com>

PATCH V6 2020-04-15 10:35:31:
* rebased to v5.7-rc1
* added DTS for for a31, a31s, a83t - by Philipp Rossak <embed3d at gmail.com>
* added DTS for "samsung,s5pv210-sgx540-120" - by Jonathan Bakker <xc-racer2 at live.ca>
* bindings.yaml fixes:
  - added a31, a31
  - fixes for omap4470
  - jz4780 contains an sgx540-130 and not -120
  - a83t contains an sgx544-115 and not -116
  - removed "additionalProperties: false" because some SoC may need additional properties

PATCH V5 2020-03-29 19:38:32:
* reworked YAML bindings to pass dt_binding_check and be better grouped
* rename all nodes to "gpu: gpu@<address>"
* removed "img,sgx5" from example - suggested by Rob Herring <robh+dt at kernel.org>

PATCH V4 2019-12-17 19:02:11:
* MIPS: DTS: jz4780: removed "img,sgx5" from bindings
* YAML bindings: updated according to suggestions by Rob Herring
* MIPS: DTS: jz4780: insert-sorted gpu node by register address - suggested by Paul Cercueil

PATCH V3 2019-11-24 12:40:33:
* reworked YAML format with help by Rob Herring
* removed .txt binding document
* change compatible "ti,am335x-sgx" to "ti,am3352-sgx" - suggested by Tony Lindgren

PATCH V2 2019-11-07 12:06:17:
* tried to convert bindings to YAML format - suggested by Rob Herring
* added JZ4780 DTS node (proven to load the driver)
* removed timer and img,cores properties until we know we really need them - suggested by Rob Herring

PATCH V1 2019-10-18 20:46:35:

This patch series defines child nodes for the SGX5xx interface inside
different SoC so that a driver can be found and probed by the compatible
strings and can retrieve information about the SGX revision that is
included in a specific SoC. It also defines the interrupt number
to be used by the SGX driver, and optionally clocks, power, resets
depending on how the SoC integration is done.

There is currently no mainline driver for these GPUs, but a project [1]
is ongoing with the goal to get the open-source part as provided by TI/IMG
and others into drivers/gpu/drm/pvrsgx in the future. So this patch series
is the basis.

The kernel modules built from this project have successfully demonstrated
to work with the DTS definitions from this patch set on AM335x BeagleBone
Black, DM3730 and OMAP5 Pyra and Droid 4. They partially work on OMAP3530 and
PandaBoard ES but that is likely a problem in the kernel driver or the
(non-free) user-space libraries and binaries. The driver works on jz4780
but user-space could not yet be tested.

[1]: https://github.com/openpvrsgx-devgroup

H. Nikolaus Schaller (8):
  dt-bindings: add img,pvrsgx.yaml for Imagination GPUs
  ARM: DTS: am33xx: add sgx gpu child node
  ARM: DTS: am3517: add sgx gpu child node
  ARM: DTS: omap34xx: add sgx gpu child node
  ARM: DTS: omap36xx: add sgx gpu child node
  ARM: DTS: omap4: add sgx gpu child node
  ARM: DTS: omap5: add sgx gpu child node
  MIPS: DTS: jz4780: add sgx gpu node

Jonathan Bakker (1):
  arm: dts: s5pv210: Add node for SGX 540

Philipp Rossak (3):
  ARM: dts: sun6i: a31: add sgx gpu child node
  ARM: dts: sun6i: a31s: add sgx gpu child node
  ARM: dts: sun8i: a83t: add sgx gpu child node

 .../devicetree/bindings/gpu/img,pvrsgx.yaml   | 150 ++++++++++++++++++
 arch/arm/boot/dts/am33xx.dtsi                 |  11 +-
 arch/arm/boot/dts/am3517.dtsi                 |   9 +-
 arch/arm/boot/dts/omap34xx.dtsi               |  11 +-
 arch/arm/boot/dts/omap36xx.dtsi               |   9 +-
 arch/arm/boot/dts/omap4.dtsi                  |  11 +-
 arch/arm/boot/dts/omap4470.dts                |  15 ++
 arch/arm/boot/dts/omap5.dtsi                  |  11 +-
 arch/arm/boot/dts/s5pv210.dtsi                |  13 ++
 arch/arm/boot/dts/sun6i-a31.dtsi              |  11 ++
 arch/arm/boot/dts/sun6i-a31s.dtsi             |  10 ++
 arch/arm/boot/dts/sun8i-a83t.dtsi             |  11 ++
 arch/mips/boot/dts/ingenic/jz4780.dtsi        |  11 ++
 13 files changed, 255 insertions(+), 28 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/gpu/img,pvrsgx.yaml
 create mode 100644 arch/arm/boot/dts/omap4470.dts


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