linux-kernel - [RESEND v6 0/2] StarFive's SDIO/eMMC driver support

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Date:   Wed, 15 Mar 2023 13:58:11 +0800
From:   William Qiu <william.qiu@...rfivetech.com>
To:     <devicetree@...r.kernel.org>, <linux-riscv@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
CC:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor@...nel.org>,
        "Emil Renner Berthing" <kernel@...il.dk>,
        William Qiu <william.qiu@...rfivetech.com>
Subject: [RESEND v6 0/2] StarFive's SDIO/eMMC driver support

Hi,

This patchset adds initial rudimentary support for the StarFive
designware mobile storage host controller driver. And this driver will
be used in StarFive's VisionFive 2 board. The main purpose of adding
this driver is to accommodate the ultra-high speed mode of eMMC.

The last patch should be applied after the patchset [1]:
[1] https://lore.kernel.org/all/20221118011714.70877-1-hal.feng@starfivetech.com/

Changes v5->v6:
- Rebased to 6.3-rc1.
- Changed file name to starfive,jh7110.yaml.
- Modified commit description.
- Added syscon node dts patch to other dependent modules.

Changes v4->v5:
- Added a incremental updates to fix a bug that prev_err is uninitialized.
- Dropped the merged patches.
- Dropped the dts patch.
- Sorted compatible alphabetically in yaml.

Changes v3->v4:
- Added documentation to describe StarFive System Controller Registers.
- Added aon_syscon and stg_syscon node.
- Fixed some checkpatch errors/warnings.

Changes v2->v3:
- Wraped commit message according to Linux coding style.
- Rephrased the description of the patches.
- Changed the description of syscon regsiter.
- Dropped redundant properties.

Changes v1->v2:
- Renamed the dt-binding 'starfive,jh7110-sdio.yaml' to 'starfive,jh7110-mmc.yaml'.
- Changed the type of 'starfive,syscon' and modify its description.
- Deleted unused head files like '#include <linux/gpio.h>'.
- Added comment for the 'rise_point' and 'fall_point'.
- Changed the API 'num_caps' to 'common_caps'.
- Changed the node name 'sys_syscon' to 'syscon'.
- Changed the node name 'sdio' to 'mmc'.

The patch series is based on v6.3.

William Qiu (2):
  dt-bindings: soc: starfive: Add StarFive syscon doc
  riscv: dts: starfive: Add syscon node

 .../soc/starfive/starfive,jh7110-syscon.yaml  | 41 +++++++++++++++++++
 MAINTAINERS                                   |  5 +++
 arch/riscv/boot/dts/starfive/jh7110.dtsi      | 15 +++++++
 3 files changed, 61 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml

--
2.34.1