| From: |
| Andy-ld Lu <andy-ld.lu-AT-mediatek.com> |
| To: |
| <ulf.hansson-AT-linaro.org>, <robh-AT-kernel.org>, <krzk+dt-AT-kernel.org>, <matthias.bgg-AT-gmail.com>, <angelogioacchino.delregno-AT-collabora.com>, <wenbin.mei-AT-mediatek.com> |
| Subject: |
| [PATCH v3 0/3] Add mtk-sd support for MT8196 |
| Date: |
| Wed, 09 Oct 2024 20:01:23 +0800 |
| Message-ID: |
| <20241009120203.14913-1-andy-ld.lu@mediatek.com> |
| Cc: |
| <linux-mmc-AT-vger.kernel.org>, <devicetree-AT-vger.kernel.org>, <linux-kernel-AT-vger.kernel.org>, <linux-arm-kernel-AT-lists.infradead.org>, <linux-mediatek-AT-lists.infradead.org>, Andy-ld Lu <andy-ld.lu-AT-mediatek.com> |
| Archive-link: |
| Article |
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 v3:
- Separate the settings for stop_dly_sel and pop_en_cnt to a different
commit;
- Add the original value of stop_dly_sel to the platdata of legacy SoCs,
for unified code setting;
- Change to return if host->top_base is NULL in msdc_new_tx_setting function,
to simplify coding;
- Optimize the location of assignment for 'timing_changed' in msdc_set_mclk
function.
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 (3):
mmc: mtk-sd: Add support for MT8196
mmc: mtk-sd: Add two settings in platdata
dt-bindings: mmc: mtk-sd: Add support for MT8196
.../devicetree/bindings/mmc/mtk-sd.yaml | 2 +
drivers/mmc/host/mtk-sd.c | 166 +++++++++++++++---
2 files changed, 147 insertions(+), 21 deletions(-)
--
2.46.0
