linux-kernel - [PATCH v2 0/2] Add mtk-sd support for MT8196

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Message-ID: <20240929074558.2076-1-andy-ld.lu@mediatek.com>
Date: Sun, 29 Sep 2024 15:44:04 +0800
From: Andy-ld Lu <andy-ld.lu@...iatek.com>
To: <ulf.hansson@...aro.org>, <robh@...nel.org>, <krzk+dt@...nel.org>,
	<matthias.bgg@...il.com>, <angelogioacchino.delregno@...labora.com>,
	<wenbin.mei@...iatek.com>
CC: <linux-mmc@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
	<linux-mediatek@...ts.infradead.org>, Andy-ld Lu <andy-ld.lu@...iatek.com>
Subject: [PATCH v2 0/2] Add mtk-sd support for MT8196

There are some new features for Mediatek SoC MT8196, which include new
command/data transmitting and receiving path (abbreviated as tx/rx), and
two modified register settings.

The driver code has to be adapted to implement the above changes, and the
compatible string 'mediatek,mt8196-mmc' is added to driver and devicetree
bindings.

---
Changes in v2:
- Use compatible string 'mediatek,mt8196-mmc' to replace 'mediatek,msdc-v2';
- Remove the 'mediatek,stop-dly-sel', 'mediatek,pop-en-cnt' and 'mediatek,
  prohibit-gate-cg' in devicetree bindings, due to SoC dependent;
- Add 'stop_dly_sel' and 'pop_en_cnt' to the compatiblity structure for
  different register settings;
- The SoC's upgraded version would discard the bus design that detect source
  clock CG when the CPU access the IP registers, so drop the related control
  flow with 'prohibit_gate_cg' flag.

Link to v1:
https://patchwork.kernel.org/patch/13812924

---
Andy-ld Lu (2):
  mmc: mtk-sd: Add support for MT8196
  dt-bindings: mmc: mtk-sd: Add support for MT8196

 .../devicetree/bindings/mmc/mtk-sd.yaml       |   2 +
 drivers/mmc/host/mtk-sd.c                     | 162 +++++++++++++++---
 2 files changed, 143 insertions(+), 21 deletions(-)

-- 
2.46.0