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* [PATCH 0/2] add i2c support for mt8186
@ 2022-01-08  9:54 Kewei Xu
  2022-01-08  9:54 ` [PATCH 1/2] dt-bindings: i2c: update bindings for MT8186 SoC Kewei Xu
  2022-01-08  9:54 ` [PATCH 2/2] i2c: mediatek: Add i2c compatible for Mediatek MT8186 Kewei Xu
  0 siblings, 2 replies; 4+ messages in thread
From: Kewei Xu @ 2022-01-08  9:54 UTC (permalink / raw)
  To: wsa
  Cc: matthias.bgg, robh+dt, linux-i2c, devicetree, linux-arm-kernel,
	linux-kernel, linux-mediatek, srv_heupstream, leilk.liu,
	qii.wang, liguo.zhang, caiyu.chen, housong.zhang, yuhan.wei,
	kewei.xu, ryan-jh.yu

Kewei Xu (2):
  dt-bindings: i2c: update bindings for MT8186 SoC
  i2c: mediatek: Add i2c compatible for Mediatek MT8186

 .../devicetree/bindings/i2c/i2c-mt65xx.txt         |  1 +
 drivers/i2c/busses/i2c-mt65xx.c                    | 14 ++++++++++++++
 2 files changed, 15 insertions(+)

--
2.18.0


^ permalink raw reply	[flat|nested] 4+ messages in thread

* [PATCH 1/2] dt-bindings: i2c: update bindings for MT8186 SoC
  2022-01-08  9:54 [PATCH 0/2] add i2c support for mt8186 Kewei Xu
@ 2022-01-08  9:54 ` Kewei Xu
  2022-01-12  2:04   ` Rob Herring
  2022-01-08  9:54 ` [PATCH 2/2] i2c: mediatek: Add i2c compatible for Mediatek MT8186 Kewei Xu
  1 sibling, 1 reply; 4+ messages in thread
From: Kewei Xu @ 2022-01-08  9:54 UTC (permalink / raw)
  To: wsa
  Cc: matthias.bgg, robh+dt, linux-i2c, devicetree, linux-arm-kernel,
	linux-kernel, linux-mediatek, srv_heupstream, leilk.liu,
	qii.wang, liguo.zhang, caiyu.chen, housong.zhang, yuhan.wei,
	kewei.xu, ryan-jh.yu

Add a DT binding documentation for the MT8186 soc.

Signed-off-by: Kewei Xu <kewei.xu@mediatek.com>
---
 Documentation/devicetree/bindings/i2c/i2c-mt65xx.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/i2c/i2c-mt65xx.txt b/Documentation/devicetree/bindings/i2c/i2c-mt65xx.txt
index 5ea216ae7084..88f74a3c81ec 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-mt65xx.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-mt65xx.txt
@@ -14,6 +14,7 @@ Required properties:
       "mediatek,mt7629-i2c", "mediatek,mt2712-i2c": for MediaTek MT7629
       "mediatek,mt8173-i2c": for MediaTek MT8173
       "mediatek,mt8183-i2c": for MediaTek MT8183
+      "mediatek,mt8186-i2c": for MediaTek MT8186
       "mediatek,mt8192-i2c": for MediaTek MT8192
       "mediatek,mt8195-i2c", "mediatek,mt8192-i2c": for MediaTek MT8195
       "mediatek,mt8516-i2c", "mediatek,mt2712-i2c": for MediaTek MT8516
-- 
2.25.1


^ permalink raw reply related	[flat|nested] 4+ messages in thread

* [PATCH 2/2] i2c: mediatek: Add i2c compatible for Mediatek MT8186
  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
@ 2022-01-08  9:54 ` Kewei Xu
  1 sibling, 0 replies; 4+ messages in thread
From: Kewei Xu @ 2022-01-08  9:54 UTC (permalink / raw)
  To: wsa
  Cc: matthias.bgg, robh+dt, linux-i2c, devicetree, linux-arm-kernel,
	linux-kernel, linux-mediatek, srv_heupstream, leilk.liu,
	qii.wang, liguo.zhang, caiyu.chen, housong.zhang, yuhan.wei,
	kewei.xu, ryan-jh.yu

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


^ permalink raw reply related	[flat|nested] 4+ messages in thread

* Re: [PATCH 1/2] dt-bindings: i2c: update bindings for MT8186 SoC
  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
  0 siblings, 0 replies; 4+ messages in thread
From: Rob Herring @ 2022-01-12  2:04 UTC (permalink / raw)
  To: Kewei Xu
  Cc: matthias.bgg, yuhan.wei, liguo.zhang, caiyu.chen, devicetree,
	linux-kernel, qii.wang, ryan-jh.yu, leilk.liu, linux-mediatek,
	srv_heupstream, linux-i2c, housong.zhang, robh+dt, wsa,
	linux-arm-kernel

On Sat, 08 Jan 2022 17:54:17 +0800, Kewei Xu wrote:
> Add a DT binding documentation for the MT8186 soc.
> 
> Signed-off-by: Kewei Xu <kewei.xu@mediatek.com>
> ---
>  Documentation/devicetree/bindings/i2c/i2c-mt65xx.txt | 1 +
>  1 file changed, 1 insertion(+)
> 

Acked-by: Rob Herring <robh@kernel.org>

^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2022-01-12  2:04 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
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 ` [PATCH 2/2] i2c: mediatek: Add i2c compatible for Mediatek MT8186 Kewei Xu

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