From: Kewei Xu <kewei.xu@mediatek.com>
To: <wsa@the-dreams.de>
Cc: <matthias.bgg@gmail.com>, <robh+dt@kernel.org>,
<linux-i2c@vger.kernel.org>, <devicetree@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>,
<linux-mediatek@lists.infradead.org>,
<srv_heupstream@mediatek.com>, <leilk.liu@mediatek.com>,
<qii.wang@mediatek.com>, <liguo.zhang@mediatek.com>,
<caiyu.chen@mediatek.com>, <housong.zhang@mediatek.com>,
<yuhan.wei@mediatek.com>, <kewei.xu@mediatek.com>,
<ryan-jh.yu@mediatek.com>
Subject: [PATCH 2/2] i2c: mediatek: Add i2c compatible for Mediatek MT8186
Date: Sat, 8 Jan 2022 17:54:18 +0800 [thread overview]
Message-ID: <20220108095418.16602-3-kewei.xu@mediatek.com> (raw)
In-Reply-To: <20220108095418.16602-1-kewei.xu@mediatek.com>
Add i2c compatible for MT8186. Compare to MT8192 i2c controller,
MT8186 doesn't need handshake signal witch apdma.
Signed-off-by: Kewei Xu <kewei.xu@mediatek.com>
---
drivers/i2c/busses/i2c-mt65xx.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/i2c/busses/i2c-mt65xx.c b/drivers/i2c/busses/i2c-mt65xx.c
index 9ea427f53083..aa4d21838e14 100644
--- a/drivers/i2c/busses/i2c-mt65xx.c
+++ b/drivers/i2c/busses/i2c-mt65xx.c
@@ -397,6 +397,19 @@ static const struct mtk_i2c_compatible mt8183_compat = {
.max_dma_support = 33,
};
+static const struct mtk_i2c_compatible mt8186_compat = {
+ .regs = mt_i2c_regs_v2,
+ .pmic_i2c = 0,
+ .dcm = 0,
+ .auto_restart = 1,
+ .aux_len_reg = 1,
+ .timing_adjust = 1,
+ .dma_sync = 0,
+ .ltiming_adjust = 1,
+ .apdma_sync = 0,
+ .max_dma_support = 36,
+};
+
static const struct mtk_i2c_compatible mt8192_compat = {
.quirks = &mt8183_i2c_quirks,
.regs = mt_i2c_regs_v2,
@@ -418,6 +431,7 @@ static const struct of_device_id mtk_i2c_of_match[] = {
{ .compatible = "mediatek,mt7622-i2c", .data = &mt7622_compat },
{ .compatible = "mediatek,mt8173-i2c", .data = &mt8173_compat },
{ .compatible = "mediatek,mt8183-i2c", .data = &mt8183_compat },
+ { .compatible = "mediatek,mt8186-i2c", .data = &mt8186_compat },
{ .compatible = "mediatek,mt8192-i2c", .data = &mt8192_compat },
{}
};
--
2.25.1
prev parent reply other threads:[~2022-01-08 9:54 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-08 9:54 [PATCH 0/2] add i2c support for mt8186 Kewei Xu
2022-01-08 9:54 ` [PATCH 1/2] dt-bindings: i2c: update bindings for MT8186 SoC Kewei Xu
2022-01-12 2:04 ` Rob Herring
2022-01-08 9:54 ` Kewei Xu [this message]
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