diff mbox

[v2,5/5] ARM: dts: sunxi: Use new sun7i-a20-mmc compatible on sun7i and newer

Message ID 1469888748-26085-6-git-send-email-hdegoede@redhat.com (mailing list archive)
State New, archived
Headers show

Commit Message

Hans de Goede July 30, 2016, 2:25 p.m. UTC
Use the new sun7i-a20-mmc compatible for the mmc controllers on sun7i
and newer.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
Changes in v2:
-New patch in v2 of this patch-set
---
 arch/arm/boot/dts/sun6i-a31.dtsi     | 8 ++++----
 arch/arm/boot/dts/sun7i-a20.dtsi     | 8 ++++----
 arch/arm/boot/dts/sun8i-a23-a33.dtsi | 6 +++---
 arch/arm/boot/dts/sun8i-h3.dtsi      | 6 +++---
 4 files changed, 14 insertions(+), 14 deletions(-)

Comments

Maxime Ripard July 30, 2016, 3:16 p.m. UTC | #1
On Sat, Jul 30, 2016 at 04:25:48PM +0200, Hans de Goede wrote:
> Use the new sun7i-a20-mmc compatible for the mmc controllers on sun7i
> and newer.
> 
> Signed-off-by: Hans de Goede <hdegoede@redhat.com>

Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>

This should probably go through Ulf tree together with the rest of
that serie to maintain the bisectability.

Thanks a lot for this work,
Maxime
Hans de Goede July 31, 2016, 2:17 p.m. UTC | #2
Hi,

On 30-07-16 17:16, Maxime Ripard wrote:
> On Sat, Jul 30, 2016 at 04:25:48PM +0200, Hans de Goede wrote:
>> Use the new sun7i-a20-mmc compatible for the mmc controllers on sun7i
>> and newer.
>>
>> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
>
> Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
>
> This should probably go through Ulf tree together with the rest of
> that serie to maintain the bisectability.

This going through Ulf's tree is fine with me, and indeed seems best, ack.

Regards,

Hans
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Andre Przywara Aug. 1, 2016, 1:11 p.m. UTC | #3
Hi Hans,

On 30/07/16 15:25, Hans de Goede wrote:
> Use the new sun7i-a20-mmc compatible for the mmc controllers on sun7i
> and newer.
> 
> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
> ---
> Changes in v2:
> -New patch in v2 of this patch-set
> ---
>  arch/arm/boot/dts/sun6i-a31.dtsi     | 8 ++++----
>  arch/arm/boot/dts/sun7i-a20.dtsi     | 8 ++++----
>  arch/arm/boot/dts/sun8i-a23-a33.dtsi | 6 +++---
>  arch/arm/boot/dts/sun8i-h3.dtsi      | 6 +++---
>  4 files changed, 14 insertions(+), 14 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/sun6i-a31.dtsi b/arch/arm/boot/dts/sun6i-a31.dtsi
> index 1867af2..0d24f10 100644
> --- a/arch/arm/boot/dts/sun6i-a31.dtsi
> +++ b/arch/arm/boot/dts/sun6i-a31.dtsi
> @@ -469,7 +469,7 @@
>  		};
>  
>  		mmc0: mmc@01c0f000 {
> -			compatible = "allwinner,sun5i-a13-mmc";
> +			compatible = "allwinner,sun7i-a20-mmc";

But that breaks systems with newer DTs on older kernels, which do not
know about sun7i-a20-mmc. I assume this somehow worked before(?), so why
not use:
	compatible = "allwinner,sun7i-a20-mmc",
		     "allwinner,sun5i-a13-mmc";

So newer kernels would pick up the new name and behaviour, while older
kernels would revert to the old name and use the existing driver.

Cheers,
Andre.

>  			reg = <0x01c0f000 0x1000>;
>  			clocks = <&ahb1_gates 8>,
>  				 <&mmc0_clk 0>,
> @@ -488,7 +488,7 @@
>  		};
>  
>  		mmc1: mmc@01c10000 {
> -			compatible = "allwinner,sun5i-a13-mmc";
> +			compatible = "allwinner,sun7i-a20-mmc";
>  			reg = <0x01c10000 0x1000>;
>  			clocks = <&ahb1_gates 9>,
>  				 <&mmc1_clk 0>,
> @@ -507,7 +507,7 @@
>  		};
>  
>  		mmc2: mmc@01c11000 {
> -			compatible = "allwinner,sun5i-a13-mmc";
> +			compatible = "allwinner,sun7i-a20-mmc";
>  			reg = <0x01c11000 0x1000>;
>  			clocks = <&ahb1_gates 10>,
>  				 <&mmc2_clk 0>,
> @@ -526,7 +526,7 @@
>  		};
>  
>  		mmc3: mmc@01c12000 {
> -			compatible = "allwinner,sun5i-a13-mmc";
> +			compatible = "allwinner,sun7i-a20-mmc";
>  			reg = <0x01c12000 0x1000>;
>  			clocks = <&ahb1_gates 11>,
>  				 <&mmc3_clk 0>,
> diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi
> index bd0c476..94cf5a1 100644
> --- a/arch/arm/boot/dts/sun7i-a20.dtsi
> +++ b/arch/arm/boot/dts/sun7i-a20.dtsi
> @@ -905,7 +905,7 @@
>  		};
>  
>  		mmc0: mmc@01c0f000 {
> -			compatible = "allwinner,sun5i-a13-mmc";
> +			compatible = "allwinner,sun7i-a20-mmc";
>  			reg = <0x01c0f000 0x1000>;
>  			clocks = <&ahb_gates 8>,
>  				 <&mmc0_clk 0>,
> @@ -922,7 +922,7 @@
>  		};
>  
>  		mmc1: mmc@01c10000 {
> -			compatible = "allwinner,sun5i-a13-mmc";
> +			compatible = "allwinner,sun7i-a20-mmc";
>  			reg = <0x01c10000 0x1000>;
>  			clocks = <&ahb_gates 9>,
>  				 <&mmc1_clk 0>,
> @@ -939,7 +939,7 @@
>  		};
>  
>  		mmc2: mmc@01c11000 {
> -			compatible = "allwinner,sun5i-a13-mmc";
> +			compatible = "allwinner,sun7i-a20-mmc";
>  			reg = <0x01c11000 0x1000>;
>  			clocks = <&ahb_gates 10>,
>  				 <&mmc2_clk 0>,
> @@ -956,7 +956,7 @@
>  		};
>  
>  		mmc3: mmc@01c12000 {
> -			compatible = "allwinner,sun5i-a13-mmc";
> +			compatible = "allwinner,sun7i-a20-mmc";
>  			reg = <0x01c12000 0x1000>;
>  			clocks = <&ahb_gates 11>,
>  				 <&mmc3_clk 0>,
> diff --git a/arch/arm/boot/dts/sun8i-a23-a33.dtsi b/arch/arm/boot/dts/sun8i-a23-a33.dtsi
> index 7e05e09..e3b196e 100644
> --- a/arch/arm/boot/dts/sun8i-a23-a33.dtsi
> +++ b/arch/arm/boot/dts/sun8i-a23-a33.dtsi
> @@ -266,7 +266,7 @@
>  		};
>  
>  		mmc0: mmc@01c0f000 {
> -			compatible = "allwinner,sun5i-a13-mmc";
> +			compatible = "allwinner,sun7i-a20-mmc";
>  			reg = <0x01c0f000 0x1000>;
>  			clocks = <&ahb1_gates 8>,
>  				 <&mmc0_clk 0>,
> @@ -285,7 +285,7 @@
>  		};
>  
>  		mmc1: mmc@01c10000 {
> -			compatible = "allwinner,sun5i-a13-mmc";
> +			compatible = "allwinner,sun7i-a20-mmc";
>  			reg = <0x01c10000 0x1000>;
>  			clocks = <&ahb1_gates 9>,
>  				 <&mmc1_clk 0>,
> @@ -304,7 +304,7 @@
>  		};
>  
>  		mmc2: mmc@01c11000 {
> -			compatible = "allwinner,sun5i-a13-mmc";
> +			compatible = "allwinner,sun7i-a20-mmc";
>  			reg = <0x01c11000 0x1000>;
>  			clocks = <&ahb1_gates 10>,
>  				 <&mmc2_clk 0>,
> diff --git a/arch/arm/boot/dts/sun8i-h3.dtsi b/arch/arm/boot/dts/sun8i-h3.dtsi
> index 93c88f3..b5cc2dc 100644
> --- a/arch/arm/boot/dts/sun8i-h3.dtsi
> +++ b/arch/arm/boot/dts/sun8i-h3.dtsi
> @@ -154,7 +154,7 @@
>  		};
>  
>  		mmc0: mmc@01c0f000 {
> -			compatible = "allwinner,sun5i-a13-mmc";
> +			compatible = "allwinner,sun7i-a20-mmc";
>  			reg = <0x01c0f000 0x1000>;
>  			clocks = <&ccu CLK_BUS_MMC0>,
>  				 <&ccu CLK_MMC0>,
> @@ -173,7 +173,7 @@
>  		};
>  
>  		mmc1: mmc@01c10000 {
> -			compatible = "allwinner,sun5i-a13-mmc";
> +			compatible = "allwinner,sun7i-a20-mmc";
>  			reg = <0x01c10000 0x1000>;
>  			clocks = <&ccu CLK_BUS_MMC1>,
>  				 <&ccu CLK_MMC1>,
> @@ -192,7 +192,7 @@
>  		};
>  
>  		mmc2: mmc@01c11000 {
> -			compatible = "allwinner,sun5i-a13-mmc";
> +			compatible = "allwinner,sun7i-a20-mmc";
>  			reg = <0x01c11000 0x1000>;
>  			clocks = <&ccu CLK_BUS_MMC2>,
>  				 <&ccu CLK_MMC2>,
> 
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Hans de Goede Aug. 2, 2016, 1:58 p.m. UTC | #4
Hi,

On 01-08-16 15:11, Andre Przywara wrote:
> Hi Hans,
>
> On 30/07/16 15:25, Hans de Goede wrote:
>> Use the new sun7i-a20-mmc compatible for the mmc controllers on sun7i
>> and newer.
>>
>> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
>> ---
>> Changes in v2:
>> -New patch in v2 of this patch-set
>> ---
>>  arch/arm/boot/dts/sun6i-a31.dtsi     | 8 ++++----
>>  arch/arm/boot/dts/sun7i-a20.dtsi     | 8 ++++----
>>  arch/arm/boot/dts/sun8i-a23-a33.dtsi | 6 +++---
>>  arch/arm/boot/dts/sun8i-h3.dtsi      | 6 +++---
>>  4 files changed, 14 insertions(+), 14 deletions(-)
>>
>> diff --git a/arch/arm/boot/dts/sun6i-a31.dtsi b/arch/arm/boot/dts/sun6i-a31.dtsi
>> index 1867af2..0d24f10 100644
>> --- a/arch/arm/boot/dts/sun6i-a31.dtsi
>> +++ b/arch/arm/boot/dts/sun6i-a31.dtsi
>> @@ -469,7 +469,7 @@
>>  		};
>>
>>  		mmc0: mmc@01c0f000 {
>> -			compatible = "allwinner,sun5i-a13-mmc";
>> +			compatible = "allwinner,sun7i-a20-mmc";
>
> But that breaks systems with newer DTs on older kernels, which do not
> know about sun7i-a20-mmc. I assume this somehow worked before(?), so why
> not use:
> 	compatible = "allwinner,sun7i-a20-mmc",
> 		     "allwinner,sun5i-a13-mmc";
>
> So newer kernels would pick up the new name and behaviour, while older
> kernels would revert to the old name and use the existing driver.

Good idea, I'll send a v3 with this change.

Regards,

Hans



>
> Cheers,
> Andre.
>
>>  			reg = <0x01c0f000 0x1000>;
>>  			clocks = <&ahb1_gates 8>,
>>  				 <&mmc0_clk 0>,
>> @@ -488,7 +488,7 @@
>>  		};
>>
>>  		mmc1: mmc@01c10000 {
>> -			compatible = "allwinner,sun5i-a13-mmc";
>> +			compatible = "allwinner,sun7i-a20-mmc";
>>  			reg = <0x01c10000 0x1000>;
>>  			clocks = <&ahb1_gates 9>,
>>  				 <&mmc1_clk 0>,
>> @@ -507,7 +507,7 @@
>>  		};
>>
>>  		mmc2: mmc@01c11000 {
>> -			compatible = "allwinner,sun5i-a13-mmc";
>> +			compatible = "allwinner,sun7i-a20-mmc";
>>  			reg = <0x01c11000 0x1000>;
>>  			clocks = <&ahb1_gates 10>,
>>  				 <&mmc2_clk 0>,
>> @@ -526,7 +526,7 @@
>>  		};
>>
>>  		mmc3: mmc@01c12000 {
>> -			compatible = "allwinner,sun5i-a13-mmc";
>> +			compatible = "allwinner,sun7i-a20-mmc";
>>  			reg = <0x01c12000 0x1000>;
>>  			clocks = <&ahb1_gates 11>,
>>  				 <&mmc3_clk 0>,
>> diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi
>> index bd0c476..94cf5a1 100644
>> --- a/arch/arm/boot/dts/sun7i-a20.dtsi
>> +++ b/arch/arm/boot/dts/sun7i-a20.dtsi
>> @@ -905,7 +905,7 @@
>>  		};
>>
>>  		mmc0: mmc@01c0f000 {
>> -			compatible = "allwinner,sun5i-a13-mmc";
>> +			compatible = "allwinner,sun7i-a20-mmc";
>>  			reg = <0x01c0f000 0x1000>;
>>  			clocks = <&ahb_gates 8>,
>>  				 <&mmc0_clk 0>,
>> @@ -922,7 +922,7 @@
>>  		};
>>
>>  		mmc1: mmc@01c10000 {
>> -			compatible = "allwinner,sun5i-a13-mmc";
>> +			compatible = "allwinner,sun7i-a20-mmc";
>>  			reg = <0x01c10000 0x1000>;
>>  			clocks = <&ahb_gates 9>,
>>  				 <&mmc1_clk 0>,
>> @@ -939,7 +939,7 @@
>>  		};
>>
>>  		mmc2: mmc@01c11000 {
>> -			compatible = "allwinner,sun5i-a13-mmc";
>> +			compatible = "allwinner,sun7i-a20-mmc";
>>  			reg = <0x01c11000 0x1000>;
>>  			clocks = <&ahb_gates 10>,
>>  				 <&mmc2_clk 0>,
>> @@ -956,7 +956,7 @@
>>  		};
>>
>>  		mmc3: mmc@01c12000 {
>> -			compatible = "allwinner,sun5i-a13-mmc";
>> +			compatible = "allwinner,sun7i-a20-mmc";
>>  			reg = <0x01c12000 0x1000>;
>>  			clocks = <&ahb_gates 11>,
>>  				 <&mmc3_clk 0>,
>> diff --git a/arch/arm/boot/dts/sun8i-a23-a33.dtsi b/arch/arm/boot/dts/sun8i-a23-a33.dtsi
>> index 7e05e09..e3b196e 100644
>> --- a/arch/arm/boot/dts/sun8i-a23-a33.dtsi
>> +++ b/arch/arm/boot/dts/sun8i-a23-a33.dtsi
>> @@ -266,7 +266,7 @@
>>  		};
>>
>>  		mmc0: mmc@01c0f000 {
>> -			compatible = "allwinner,sun5i-a13-mmc";
>> +			compatible = "allwinner,sun7i-a20-mmc";
>>  			reg = <0x01c0f000 0x1000>;
>>  			clocks = <&ahb1_gates 8>,
>>  				 <&mmc0_clk 0>,
>> @@ -285,7 +285,7 @@
>>  		};
>>
>>  		mmc1: mmc@01c10000 {
>> -			compatible = "allwinner,sun5i-a13-mmc";
>> +			compatible = "allwinner,sun7i-a20-mmc";
>>  			reg = <0x01c10000 0x1000>;
>>  			clocks = <&ahb1_gates 9>,
>>  				 <&mmc1_clk 0>,
>> @@ -304,7 +304,7 @@
>>  		};
>>
>>  		mmc2: mmc@01c11000 {
>> -			compatible = "allwinner,sun5i-a13-mmc";
>> +			compatible = "allwinner,sun7i-a20-mmc";
>>  			reg = <0x01c11000 0x1000>;
>>  			clocks = <&ahb1_gates 10>,
>>  				 <&mmc2_clk 0>,
>> diff --git a/arch/arm/boot/dts/sun8i-h3.dtsi b/arch/arm/boot/dts/sun8i-h3.dtsi
>> index 93c88f3..b5cc2dc 100644
>> --- a/arch/arm/boot/dts/sun8i-h3.dtsi
>> +++ b/arch/arm/boot/dts/sun8i-h3.dtsi
>> @@ -154,7 +154,7 @@
>>  		};
>>
>>  		mmc0: mmc@01c0f000 {
>> -			compatible = "allwinner,sun5i-a13-mmc";
>> +			compatible = "allwinner,sun7i-a20-mmc";
>>  			reg = <0x01c0f000 0x1000>;
>>  			clocks = <&ccu CLK_BUS_MMC0>,
>>  				 <&ccu CLK_MMC0>,
>> @@ -173,7 +173,7 @@
>>  		};
>>
>>  		mmc1: mmc@01c10000 {
>> -			compatible = "allwinner,sun5i-a13-mmc";
>> +			compatible = "allwinner,sun7i-a20-mmc";
>>  			reg = <0x01c10000 0x1000>;
>>  			clocks = <&ccu CLK_BUS_MMC1>,
>>  				 <&ccu CLK_MMC1>,
>> @@ -192,7 +192,7 @@
>>  		};
>>
>>  		mmc2: mmc@01c11000 {
>> -			compatible = "allwinner,sun5i-a13-mmc";
>> +			compatible = "allwinner,sun7i-a20-mmc";
>>  			reg = <0x01c11000 0x1000>;
>>  			clocks = <&ccu CLK_BUS_MMC2>,
>>  				 <&ccu CLK_MMC2>,
>>
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Maxime Ripard Aug. 22, 2016, 7:54 a.m. UTC | #5
On Mon, Aug 01, 2016 at 02:11:09PM +0100, Andre Przywara wrote:
> Hi Hans,
> 
> On 30/07/16 15:25, Hans de Goede wrote:
> > Use the new sun7i-a20-mmc compatible for the mmc controllers on sun7i
> > and newer.
> > 
> > Signed-off-by: Hans de Goede <hdegoede@redhat.com>
> > ---
> > Changes in v2:
> > -New patch in v2 of this patch-set
> > ---
> >  arch/arm/boot/dts/sun6i-a31.dtsi     | 8 ++++----
> >  arch/arm/boot/dts/sun7i-a20.dtsi     | 8 ++++----
> >  arch/arm/boot/dts/sun8i-a23-a33.dtsi | 6 +++---
> >  arch/arm/boot/dts/sun8i-h3.dtsi      | 6 +++---
> >  4 files changed, 14 insertions(+), 14 deletions(-)
> > 
> > diff --git a/arch/arm/boot/dts/sun6i-a31.dtsi b/arch/arm/boot/dts/sun6i-a31.dtsi
> > index 1867af2..0d24f10 100644
> > --- a/arch/arm/boot/dts/sun6i-a31.dtsi
> > +++ b/arch/arm/boot/dts/sun6i-a31.dtsi
> > @@ -469,7 +469,7 @@
> >  		};
> >  
> >  		mmc0: mmc@01c0f000 {
> > -			compatible = "allwinner,sun5i-a13-mmc";
> > +			compatible = "allwinner,sun7i-a20-mmc";
> 
> But that breaks systems with newer DTs on older kernels, which do not
> know about sun7i-a20-mmc.

That's not backward compatibility. That's the forward one, and that
has never been something we supported.

See https://www.kernel.org/doc/Documentation/devicetree/bindings/ABI.txt

Maxime
Andre Przywara Aug. 22, 2016, 9:02 a.m. UTC | #6
Hi,

On 22/08/16 08:54, Maxime Ripard wrote:
> On Mon, Aug 01, 2016 at 02:11:09PM +0100, Andre Przywara wrote:
>> Hi Hans,
>>
>> On 30/07/16 15:25, Hans de Goede wrote:
>>> Use the new sun7i-a20-mmc compatible for the mmc controllers on sun7i
>>> and newer.
>>>
>>> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
>>> ---
>>> Changes in v2:
>>> -New patch in v2 of this patch-set
>>> ---
>>>  arch/arm/boot/dts/sun6i-a31.dtsi     | 8 ++++----
>>>  arch/arm/boot/dts/sun7i-a20.dtsi     | 8 ++++----
>>>  arch/arm/boot/dts/sun8i-a23-a33.dtsi | 6 +++---
>>>  arch/arm/boot/dts/sun8i-h3.dtsi      | 6 +++---
>>>  4 files changed, 14 insertions(+), 14 deletions(-)
>>>
>>> diff --git a/arch/arm/boot/dts/sun6i-a31.dtsi b/arch/arm/boot/dts/sun6i-a31.dtsi
>>> index 1867af2..0d24f10 100644
>>> --- a/arch/arm/boot/dts/sun6i-a31.dtsi
>>> +++ b/arch/arm/boot/dts/sun6i-a31.dtsi
>>> @@ -469,7 +469,7 @@
>>>  		};
>>>  
>>>  		mmc0: mmc@01c0f000 {
>>> -			compatible = "allwinner,sun5i-a13-mmc";
>>> +			compatible = "allwinner,sun7i-a20-mmc";
>>
>> But that breaks systems with newer DTs on older kernels, which do not
>> know about sun7i-a20-mmc.
> 
> That's not backward compatibility. That's the forward one, and that
> has never been something we supported.

I know, but it's unfortunate anyway and easy to fix with the above
mentioned fallback scheme.
So isn't that something that we can support anyway, despite it being not
strictly necessary? For instance I tend to load different kernels now
and then (different distro kernels, older versions for regression
checks, ...) and really like the fact that I can go with _one_ known
best DT.
I understand that that's not always possible, but on the other hand I
wouldn't give up so easily, especially if there is a nice way to achieve
compatibility without hurting anyone.

Cheers,
Andre.

> See https://www.kernel.org/doc/Documentation/devicetree/bindings/ABI.txt
> 
> Maxime
> 
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diff mbox

Patch

diff --git a/arch/arm/boot/dts/sun6i-a31.dtsi b/arch/arm/boot/dts/sun6i-a31.dtsi
index 1867af2..0d24f10 100644
--- a/arch/arm/boot/dts/sun6i-a31.dtsi
+++ b/arch/arm/boot/dts/sun6i-a31.dtsi
@@ -469,7 +469,7 @@ 
 		};
 
 		mmc0: mmc@01c0f000 {
-			compatible = "allwinner,sun5i-a13-mmc";
+			compatible = "allwinner,sun7i-a20-mmc";
 			reg = <0x01c0f000 0x1000>;
 			clocks = <&ahb1_gates 8>,
 				 <&mmc0_clk 0>,
@@ -488,7 +488,7 @@ 
 		};
 
 		mmc1: mmc@01c10000 {
-			compatible = "allwinner,sun5i-a13-mmc";
+			compatible = "allwinner,sun7i-a20-mmc";
 			reg = <0x01c10000 0x1000>;
 			clocks = <&ahb1_gates 9>,
 				 <&mmc1_clk 0>,
@@ -507,7 +507,7 @@ 
 		};
 
 		mmc2: mmc@01c11000 {
-			compatible = "allwinner,sun5i-a13-mmc";
+			compatible = "allwinner,sun7i-a20-mmc";
 			reg = <0x01c11000 0x1000>;
 			clocks = <&ahb1_gates 10>,
 				 <&mmc2_clk 0>,
@@ -526,7 +526,7 @@ 
 		};
 
 		mmc3: mmc@01c12000 {
-			compatible = "allwinner,sun5i-a13-mmc";
+			compatible = "allwinner,sun7i-a20-mmc";
 			reg = <0x01c12000 0x1000>;
 			clocks = <&ahb1_gates 11>,
 				 <&mmc3_clk 0>,
diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi
index bd0c476..94cf5a1 100644
--- a/arch/arm/boot/dts/sun7i-a20.dtsi
+++ b/arch/arm/boot/dts/sun7i-a20.dtsi
@@ -905,7 +905,7 @@ 
 		};
 
 		mmc0: mmc@01c0f000 {
-			compatible = "allwinner,sun5i-a13-mmc";
+			compatible = "allwinner,sun7i-a20-mmc";
 			reg = <0x01c0f000 0x1000>;
 			clocks = <&ahb_gates 8>,
 				 <&mmc0_clk 0>,
@@ -922,7 +922,7 @@ 
 		};
 
 		mmc1: mmc@01c10000 {
-			compatible = "allwinner,sun5i-a13-mmc";
+			compatible = "allwinner,sun7i-a20-mmc";
 			reg = <0x01c10000 0x1000>;
 			clocks = <&ahb_gates 9>,
 				 <&mmc1_clk 0>,
@@ -939,7 +939,7 @@ 
 		};
 
 		mmc2: mmc@01c11000 {
-			compatible = "allwinner,sun5i-a13-mmc";
+			compatible = "allwinner,sun7i-a20-mmc";
 			reg = <0x01c11000 0x1000>;
 			clocks = <&ahb_gates 10>,
 				 <&mmc2_clk 0>,
@@ -956,7 +956,7 @@ 
 		};
 
 		mmc3: mmc@01c12000 {
-			compatible = "allwinner,sun5i-a13-mmc";
+			compatible = "allwinner,sun7i-a20-mmc";
 			reg = <0x01c12000 0x1000>;
 			clocks = <&ahb_gates 11>,
 				 <&mmc3_clk 0>,
diff --git a/arch/arm/boot/dts/sun8i-a23-a33.dtsi b/arch/arm/boot/dts/sun8i-a23-a33.dtsi
index 7e05e09..e3b196e 100644
--- a/arch/arm/boot/dts/sun8i-a23-a33.dtsi
+++ b/arch/arm/boot/dts/sun8i-a23-a33.dtsi
@@ -266,7 +266,7 @@ 
 		};
 
 		mmc0: mmc@01c0f000 {
-			compatible = "allwinner,sun5i-a13-mmc";
+			compatible = "allwinner,sun7i-a20-mmc";
 			reg = <0x01c0f000 0x1000>;
 			clocks = <&ahb1_gates 8>,
 				 <&mmc0_clk 0>,
@@ -285,7 +285,7 @@ 
 		};
 
 		mmc1: mmc@01c10000 {
-			compatible = "allwinner,sun5i-a13-mmc";
+			compatible = "allwinner,sun7i-a20-mmc";
 			reg = <0x01c10000 0x1000>;
 			clocks = <&ahb1_gates 9>,
 				 <&mmc1_clk 0>,
@@ -304,7 +304,7 @@ 
 		};
 
 		mmc2: mmc@01c11000 {
-			compatible = "allwinner,sun5i-a13-mmc";
+			compatible = "allwinner,sun7i-a20-mmc";
 			reg = <0x01c11000 0x1000>;
 			clocks = <&ahb1_gates 10>,
 				 <&mmc2_clk 0>,
diff --git a/arch/arm/boot/dts/sun8i-h3.dtsi b/arch/arm/boot/dts/sun8i-h3.dtsi
index 93c88f3..b5cc2dc 100644
--- a/arch/arm/boot/dts/sun8i-h3.dtsi
+++ b/arch/arm/boot/dts/sun8i-h3.dtsi
@@ -154,7 +154,7 @@ 
 		};
 
 		mmc0: mmc@01c0f000 {
-			compatible = "allwinner,sun5i-a13-mmc";
+			compatible = "allwinner,sun7i-a20-mmc";
 			reg = <0x01c0f000 0x1000>;
 			clocks = <&ccu CLK_BUS_MMC0>,
 				 <&ccu CLK_MMC0>,
@@ -173,7 +173,7 @@ 
 		};
 
 		mmc1: mmc@01c10000 {
-			compatible = "allwinner,sun5i-a13-mmc";
+			compatible = "allwinner,sun7i-a20-mmc";
 			reg = <0x01c10000 0x1000>;
 			clocks = <&ccu CLK_BUS_MMC1>,
 				 <&ccu CLK_MMC1>,
@@ -192,7 +192,7 @@ 
 		};
 
 		mmc2: mmc@01c11000 {
-			compatible = "allwinner,sun5i-a13-mmc";
+			compatible = "allwinner,sun7i-a20-mmc";
 			reg = <0x01c11000 0x1000>;
 			clocks = <&ccu CLK_BUS_MMC2>,
 				 <&ccu CLK_MMC2>,