linux-kernel - [PATCH v6 00/23] Support more Amlogic SoC families in crypto driver

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Message-ID: <20240326153219.2915080-1-avromanov@salutedevices.com>
Date: Tue, 26 Mar 2024 18:31:56 +0300
From: Alexey Romanov <avromanov@...utedevices.com>
To: <neil.armstrong@...aro.org>, <clabbe@...libre.com>,
	<herbert@...dor.apana.org.au>, <davem@...emloft.net>, <robh+dt@...nel.org>,
	<krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
	<khilman@...libre.com>, <jbrunet@...libre.com>,
	<martin.blumenstingl@...glemail.com>, <vadim.fedorenko@...ux.dev>
CC: <linux-crypto@...r.kernel.org>, <linux-amlogic@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <kernel@...utedevices.com>, Alexey
 Romanov <avromanov@...utedevices.com>
Subject: [PATCH v6 00/23] Support more Amlogic SoC families in crypto driver

Hello!

This patchset expand the funcionality of the Amlogic
crypto driver by adding support for more SoC families:
AXG, G12A, G12B, SM1, A1, S4.

Also specify and enable crypto node in device tree
for reference Amlogic devices.

Tested on GXL, AXG, G12A/B, SM1, A1 and S4 devices via
custom tests [1] and tcrypt module.

---

Changes V1 -> V2 [2]:

- Rebased over linux-next.
- Adjusted device tree bindings description.
- A1 and S4 dts use their own compatible, which is a G12 fallback.

Changes V2 -> V3 [3]:

- Fix errors in dt-bindings and device tree.
- Add new field in platform data, which determines
whether clock controller should be used for crypto IP.
- Place back MODULE_DEVICE_TABLE.
- Correct commit messages.

Changes V3 -> V4 [4]:

- Update dt-bindings as per Krzysztof Kozlowski comments.
- Fix bisection: get rid of compiler errors in some patches.

Changes V4 -> V5 [5]:

- Tested on GXL board:
  1. Fix panic detected by Corentin Labbe [6].
  2. Disable hasher backend for GXL: in its current realization
     is doesn't work. And there are no examples or docs in the
     vendor SDK.
- Fix AES-CTR realization: legacy boards (gxl, g12, axg) requires
  inversion of the keyiv at keys setup stage.
- A1 now uses its own compatible string.
- S4 uses A1 compatible as fallback.
- Code fixes based on comments Neil Atrmstrong and Rob Herring.
- Style fixes (set correct indentations)

Changes V5 -> V6 [7]:

- Fix DMA sync warning reported by Corentin Labbe [8].
- Remove CLK input from driver. Remove clk definition
  and second interrput line from crypto node inside GXL dtsi.

Links:
  - [1] https://gist.github.com/mRrvz/3fb8943a7487ab7b943ec140706995e7
  - [2] https://lore.kernel.org/all/20240110201216.18016-1-avromanov@salutedevices.com/
  - [3] https://lore.kernel.org/all/20240123165831.970023-1-avromanov@salutedevices.com/
  - [4] https://lore.kernel.org/all/20240205155521.1795552-1-avromanov@salutedevices.com/
  - [5] https://lore.kernel.org/all/20240212135108.549755-1-avromanov@salutedevices.com/
  - [6] https://lore.kernel.org/all/ZcsYaPIUrBSg8iXu@Red/
  - [7] https://lore.kernel.org/all/20240301132936.621238-1-avromanov@salutedevices.com/
  - [8] https://lore.kernel.org/all/Zf1BAlYtiwPOG-Os@Red/

Alexey Romanov (23):
  drivers: crypto: meson: don't hardcode IRQ count
  drviers: crypto: meson: add platform data
  drivers: crypto: meson: remove clock input
  drivers: crypto: meson: add MMIO helpers
  drivers: crypto: meson: move get_engine_number()
  drivers: crypto: meson: drop status field from meson_flow
  drivers: crypto: meson: move algs definition and cipher API to
    cipher.c
  drivers: crypto: meson: cleanup defines
  drivers: crypto: meson: process more than MAXDESCS descriptors
  drivers: crypto: meson: avoid kzalloc in engine thread
  drivers: crypto: meson: introduce hasher
  drivers: crypto: meson: add support for AES-CTR
  drivers: crypto: meson: use fallback for 192-bit keys
  drivers: crypto: meson: add support for G12-series
  drivers: crypto: meson: add support for AXG-series
  drivers: crypto: meson: add support for A1-series
  dt-bindings: crypto: meson: remove clk and second interrupt line for
    GXL
  arch: arm64: dts: meson: gxl: correct crypto node definition
  dt-bindings: crypto: meson: support new SoC's
  arch: arm64: dts: meson: a1: add crypto node
  arch: arm64: dts: meson: s4: add crypto node
  arch: arm64: dts: meson: g12: add crypto node
  arch: arm64: dts: meson: axg: add crypto node

 .../bindings/crypto/amlogic,gxl-crypto.yaml   |  24 +-
 arch/arm64/boot/dts/amlogic/meson-a1.dtsi     |   7 +
 arch/arm64/boot/dts/amlogic/meson-axg.dtsi    |   6 +
 .../boot/dts/amlogic/meson-g12-common.dtsi    |   6 +
 arch/arm64/boot/dts/amlogic/meson-gxl.dtsi    |   5 +-
 arch/arm64/boot/dts/amlogic/meson-s4.dtsi     |   6 +
 drivers/crypto/amlogic/Makefile               |   2 +-
 drivers/crypto/amlogic/amlogic-gxl-cipher.c   | 617 ++++++++++++------
 drivers/crypto/amlogic/amlogic-gxl-core.c     | 292 +++++----
 drivers/crypto/amlogic/amlogic-gxl-hasher.c   | 460 +++++++++++++
 drivers/crypto/amlogic/amlogic-gxl.h          | 118 +++-
 11 files changed, 1185 insertions(+), 358 deletions(-)
 create mode 100644 drivers/crypto/amlogic/amlogic-gxl-hasher.c

-- 
2.34.1