[PATCH 0/2] Add i2c dt-binding and compatible for Mediatek MT7622 SoC

[PATCH 0/2] Add i2c dt-binding and compatible for Mediatek MT7622 SoC

[Jun Gao]

This patch series based on v4.13-rc1, include MT7622 i2c dt-binding
and compatible.

Jun Gao (2):
  dt-bindings: i2c: Add MediaTek MT7622 i2c binding
  i2c: mediatek: Add i2c compatible for MediaTek MT7622

 Documentation/devicetree/bindings/i2c/i2c-mtk.txt | 11 ++++++-----
 drivers/i2c/busses/i2c-mt65xx.c                   | 18 ++++++++++++++++++
 2 files changed, 24 insertions(+), 5 deletions(-)

--
1.8.1.1

[PATCH 1/2] dt-bindings: i2c: Add MediaTek MT7622 i2c binding

[Jun Gao]

From: Jun Gao <jun.gao@mediatek.com>

Add MT7622 i2c binding to binding file. Compare to MT8173 i2c
controller, MT7622 limit message size to 255, and not support
4GB DMA mode.

Signed-off-by: Jun Gao <jun.gao@mediatek.com>
---
 Documentation/devicetree/bindings/i2c/i2c-mtk.txt | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/Documentation/devicetree/bindings/i2c/i2c-mtk.txt b/Documentation/devicetree/bindings/i2c/i2c-mtk.txt
index bd5a7be..ff9ac61 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-mtk.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-mtk.txt
@@ -4,11 +4,12 @@ The Mediatek's I2C controller is used to interface with I2C devices.
 
 Required properties:
   - compatible: value should be either of the following.
-      "mediatek,mt2701-i2c", "mediatek,mt6577-i2c": for Mediatek mt2701
-      "mediatek,mt6577-i2c": for i2c compatible with mt6577.
-      "mediatek,mt6589-i2c": for i2c compatible with mt6589.
-      "mediatek,mt7623-i2c", "mediatek,mt6577-i2c": for i2c compatible with mt7623.
-      "mediatek,mt8173-i2c": for i2c compatible with mt8173.
+	"mediatek,mt2701-i2c", "mediatek,mt6577-i2c": for Mediatek MT2701
+	"mediatek,mt6577-i2c": for Mediatek MT6577
+	"mediatek,mt6589-i2c": for Mediatek MT6589
+	"mediatek,mt7622-i2c": for Mediatek MT7622
+	"mediatek,mt7623-i2c", "mediatek,mt6577-i2c": for Mediatek MT7623
+	"mediatek,mt8173-i2c": for Mediatek MT8173
   - reg: physical base address of the controller and dma base, length of memory
     mapped region.
   - interrupts: interrupt number to the cpu.
-- 
1.8.1.1

Re: [PATCH 1/2] dt-bindings: i2c: Add MediaTek MT7622 i2c binding

[Matthias Brugger]

On 08/09/2017 09:43 AM, Jun Gao wrote:
> From: Jun Gao <jun.gao@mediatek.com>
> 
> Add MT7622 i2c binding to binding file. Compare to MT8173 i2c
> controller, MT7622 limit message size to 255, and not support
> 4GB DMA mode.
> 
> Signed-off-by: Jun Gao <jun.gao@mediatek.com>
> ---
>   Documentation/devicetree/bindings/i2c/i2c-mtk.txt | 11 ++++++-----
>   1 file changed, 6 insertions(+), 5 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/i2c/i2c-mtk.txt b/Documentation/devicetree/bindings/i2c/i2c-mtk.txt
> index bd5a7be..ff9ac61 100644
> --- a/Documentation/devicetree/bindings/i2c/i2c-mtk.txt
> +++ b/Documentation/devicetree/bindings/i2c/i2c-mtk.txt
> @@ -4,11 +4,12 @@ The Mediatek's I2C controller is used to interface with I2C devices.
>   
>   Required properties:
>     - compatible: value should be either of the following.
> -      "mediatek,mt2701-i2c", "mediatek,mt6577-i2c": for Mediatek mt2701
> -      "mediatek,mt6577-i2c": for i2c compatible with mt6577.
> -      "mediatek,mt6589-i2c": for i2c compatible with mt6589.
> -      "mediatek,mt7623-i2c", "mediatek,mt6577-i2c": for i2c compatible with mt7623.
> -      "mediatek,mt8173-i2c": for i2c compatible with mt8173.
> +	"mediatek,mt2701-i2c", "mediatek,mt6577-i2c": for Mediatek MT2701
> +	"mediatek,mt6577-i2c": for Mediatek MT6577
> +	"mediatek,mt6589-i2c": for Mediatek MT6589
> +	"mediatek,mt7622-i2c": for Mediatek MT7622
> +	"mediatek,mt7623-i2c", "mediatek,mt6577-i2c": for Mediatek MT7623
> +	"mediatek,mt8173-i2c": for Mediatek MT8173
>     - reg: physical base address of the controller and dma base, length of memory
>       mapped region.
>     - interrupts: interrupt number to the cpu.
> 

In the next series, could you please make sure not to change the indentation.

Thanks a lot,
Matthias

Re: [PATCH 1/2] dt-bindings: i2c: Add MediaTek MT7622 i2c binding

[Jun Gao]

On Mon, 2017-08-14 at 11:36 +0200, Matthias Brugger wrote:
> 
> On 08/09/2017 09:43 AM, Jun Gao wrote:
> > From: Jun Gao <jun.gao@mediatek.com>
> > 
> > Add MT7622 i2c binding to binding file. Compare to MT8173 i2c
> > controller, MT7622 limit message size to 255, and not support
> > 4GB DMA mode.
> > 
> > Signed-off-by: Jun Gao <jun.gao@mediatek.com>
> > ---
> >   Documentation/devicetree/bindings/i2c/i2c-mtk.txt | 11 ++++++-----
> >   1 file changed, 6 insertions(+), 5 deletions(-)
> > 
> > diff --git a/Documentation/devicetree/bindings/i2c/i2c-mtk.txt b/Documentation/devicetree/bindings/i2c/i2c-mtk.txt
> > index bd5a7be..ff9ac61 100644
> > --- a/Documentation/devicetree/bindings/i2c/i2c-mtk.txt
> > +++ b/Documentation/devicetree/bindings/i2c/i2c-mtk.txt
> > @@ -4,11 +4,12 @@ The Mediatek's I2C controller is used to interface with I2C devices.
> >   
> >   Required properties:
> >     - compatible: value should be either of the following.
> > -      "mediatek,mt2701-i2c", "mediatek,mt6577-i2c": for Mediatek mt2701
> > -      "mediatek,mt6577-i2c": for i2c compatible with mt6577.
> > -      "mediatek,mt6589-i2c": for i2c compatible with mt6589.
> > -      "mediatek,mt7623-i2c", "mediatek,mt6577-i2c": for i2c compatible with mt7623.
> > -      "mediatek,mt8173-i2c": for i2c compatible with mt8173.
> > +	"mediatek,mt2701-i2c", "mediatek,mt6577-i2c": for Mediatek MT2701
> > +	"mediatek,mt6577-i2c": for Mediatek MT6577
> > +	"mediatek,mt6589-i2c": for Mediatek MT6589
> > +	"mediatek,mt7622-i2c": for Mediatek MT7622
> > +	"mediatek,mt7623-i2c", "mediatek,mt6577-i2c": for Mediatek MT7623
> > +	"mediatek,mt8173-i2c": for Mediatek MT8173
> >     - reg: physical base address of the controller and dma base, length of memory
> >       mapped region.
> >     - interrupts: interrupt number to the cpu.
> > 
> 
> In the next series, could you please make sure not to change the indentation.
> 
> Thanks a lot,
> Matthias

Please review [PATCH v2 1/2], I will not change the indentation any
more. Thanks!

Jun

[PATCH 2/2] i2c: mediatek: Add i2c compatible for MediaTek MT7622

[Jun Gao]

From: Jun Gao <jun.gao@mediatek.com>

Add i2c compatible for MT7622. Compare to MT8173 i2c controller,
MT7622 limit message size to 255, and not support 4GB DMA mode.

Signed-off-by: Jun Gao <jun.gao@mediatek.com>
---
 drivers/i2c/busses/i2c-mt65xx.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/drivers/i2c/busses/i2c-mt65xx.c b/drivers/i2c/busses/i2c-mt65xx.c
index 9bedf0b..2c7f847 100644
--- a/drivers/i2c/busses/i2c-mt65xx.c
+++ b/drivers/i2c/busses/i2c-mt65xx.c
@@ -172,6 +172,14 @@ struct mtk_i2c {
 	.max_comb_2nd_msg_len = 31,
 };
 
+static const struct i2c_adapter_quirks mt7622_i2c_quirks = {
+	.max_num_msgs = 255,
+	.max_write_len = 65535,
+	.max_read_len = 65535,
+	.max_comb_1st_msg_len = 65535,
+	.max_comb_2nd_msg_len = 65535,
+};
+
 static const struct mtk_i2c_compatible mt6577_compat = {
 	.quirks = &mt6577_i2c_quirks,
 	.pmic_i2c = 0,
@@ -190,6 +198,15 @@ struct mtk_i2c {
 	.support_33bits = 0,
 };
 
+static const struct mtk_i2c_compatible mt7622_compat = {
+	.quirks = &mt7622_i2c_quirks,
+	.pmic_i2c = 0,
+	.dcm = 1,
+	.auto_restart = 1,
+	.aux_len_reg = 1,
+	.support_33bits = 0,
+};
+
 static const struct mtk_i2c_compatible mt8173_compat = {
 	.pmic_i2c = 0,
 	.dcm = 1,
@@ -201,6 +218,7 @@ struct mtk_i2c {
 static const struct of_device_id mtk_i2c_of_match[] = {
 	{ .compatible = "mediatek,mt6577-i2c", .data = &mt6577_compat },
 	{ .compatible = "mediatek,mt6589-i2c", .data = &mt6589_compat },
+	{ .compatible = "mediatek,mt7622-i2c", .data = &mt7622_compat },
 	{ .compatible = "mediatek,mt8173-i2c", .data = &mt8173_compat },
 	{}
 };
-- 
1.8.1.1

Re: [PATCH 2/2] i2c: mediatek: Add i2c compatible for MediaTek MT7622

[Yingjoe Chen]

On Wed, 2017-08-09 at 15:43 +0800, Jun Gao wrote:
> From: Jun Gao <jun.gao-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
> 
> Add i2c compatible for MT7622. Compare to MT8173 i2c controller,
> MT7622 limit message size to 255, and not support 4GB DMA mode.


Jun,

Do you mean message numbers?


Joe.C

> 
> Signed-off-by: Jun Gao <jun.gao-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
> ---
>  drivers/i2c/busses/i2c-mt65xx.c | 18 ++++++++++++++++++
>  1 file changed, 18 insertions(+)
> 
> diff --git a/drivers/i2c/busses/i2c-mt65xx.c b/drivers/i2c/busses/i2c-mt65xx.c
> index 9bedf0b..2c7f847 100644
> --- a/drivers/i2c/busses/i2c-mt65xx.c
> +++ b/drivers/i2c/busses/i2c-mt65xx.c
> @@ -172,6 +172,14 @@ struct mtk_i2c {
>  	.max_comb_2nd_msg_len = 31,
>  };
>  
> +static const struct i2c_adapter_quirks mt7622_i2c_quirks = {
> +	.max_num_msgs = 255,
> +	.max_write_len = 65535,
> +	.max_read_len = 65535,
> +	.max_comb_1st_msg_len = 65535,
> +	.max_comb_2nd_msg_len = 65535,
> +};
> +
>  static const struct mtk_i2c_compatible mt6577_compat = {
>  	.quirks = &mt6577_i2c_quirks,
>  	.pmic_i2c = 0,
> @@ -190,6 +198,15 @@ struct mtk_i2c {
>  	.support_33bits = 0,
>  };
>  
> +static const struct mtk_i2c_compatible mt7622_compat = {
> +	.quirks = &mt7622_i2c_quirks,
> +	.pmic_i2c = 0,
> +	.dcm = 1,
> +	.auto_restart = 1,
> +	.aux_len_reg = 1,
> +	.support_33bits = 0,
> +};
> +
>  static const struct mtk_i2c_compatible mt8173_compat = {
>  	.pmic_i2c = 0,
>  	.dcm = 1,
> @@ -201,6 +218,7 @@ struct mtk_i2c {
>  static const struct of_device_id mtk_i2c_of_match[] = {
>  	{ .compatible = "mediatek,mt6577-i2c", .data = &mt6577_compat },
>  	{ .compatible = "mediatek,mt6589-i2c", .data = &mt6589_compat },
> +	{ .compatible = "mediatek,mt7622-i2c", .data = &mt7622_compat },
>  	{ .compatible = "mediatek,mt8173-i2c", .data = &mt8173_compat },
>  	{}
>  };


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Re: [PATCH 2/2] i2c: mediatek: Add i2c compatible for MediaTek MT7622

[Jun Gao]

On Wed, 2017-08-09 at 17:40 +0800, Yingjoe Chen wrote:
> On Wed, 2017-08-09 at 15:43 +0800, Jun Gao wrote:
> > From: Jun Gao <jun.gao-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
> > 
> > Add i2c compatible for MT7622. Compare to MT8173 i2c controller,
> > MT7622 limit message size to 255, and not support 4GB DMA mode.
> 
> 
> Jun,
> 
> Do you mean message numbers?
> 
> 
> Joe.C
> 

Yes, bit7~bit0 of i2c register TRANSAC_LEN will be used as message
numbers.

Jun
> > 
> > Signed-off-by: Jun Gao <jun.gao-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
> > ---
> >  drivers/i2c/busses/i2c-mt65xx.c | 18 ++++++++++++++++++
> >  1 file changed, 18 insertions(+)
> > 
> > diff --git a/drivers/i2c/busses/i2c-mt65xx.c b/drivers/i2c/busses/i2c-mt65xx.c
> > index 9bedf0b..2c7f847 100644
> > --- a/drivers/i2c/busses/i2c-mt65xx.c
> > +++ b/drivers/i2c/busses/i2c-mt65xx.c
> > @@ -172,6 +172,14 @@ struct mtk_i2c {
> >  	.max_comb_2nd_msg_len = 31,
> >  };
> >  
> > +static const struct i2c_adapter_quirks mt7622_i2c_quirks = {
> > +	.max_num_msgs = 255,
> > +	.max_write_len = 65535,
> > +	.max_read_len = 65535,
> > +	.max_comb_1st_msg_len = 65535,
> > +	.max_comb_2nd_msg_len = 65535,
> > +};
> > +
> >  static const struct mtk_i2c_compatible mt6577_compat = {
> >  	.quirks = &mt6577_i2c_quirks,
> >  	.pmic_i2c = 0,
> > @@ -190,6 +198,15 @@ struct mtk_i2c {
> >  	.support_33bits = 0,
> >  };
> >  
> > +static const struct mtk_i2c_compatible mt7622_compat = {
> > +	.quirks = &mt7622_i2c_quirks,
> > +	.pmic_i2c = 0,
> > +	.dcm = 1,
> > +	.auto_restart = 1,
> > +	.aux_len_reg = 1,
> > +	.support_33bits = 0,
> > +};
> > +
> >  static const struct mtk_i2c_compatible mt8173_compat = {
> >  	.pmic_i2c = 0,
> >  	.dcm = 1,
> > @@ -201,6 +218,7 @@ struct mtk_i2c {
> >  static const struct of_device_id mtk_i2c_of_match[] = {
> >  	{ .compatible = "mediatek,mt6577-i2c", .data = &mt6577_compat },
> >  	{ .compatible = "mediatek,mt6589-i2c", .data = &mt6589_compat },
> > +	{ .compatible = "mediatek,mt7622-i2c", .data = &mt7622_compat },
> >  	{ .compatible = "mediatek,mt8173-i2c", .data = &mt8173_compat },
> >  	{}
> >  };
> 
> 


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