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[PATCH 1/1] imx6q-wandboard-revb1.dts: use unique machine name

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  [PATCH 1/1] imx6q-wandboard-revb1.dts: use unique machine name Heinrich Schuchardt <xypron.glpk@gmx.de> - 2016-02-06 12:40 +0100
    [PATCH 1/1 v2] imx6q-wandboard-revb1.dts: use unique machine name Heinrich Schuchardt <xypron.glpk@gmx.de> - 2016-02-06 13:10 +0100
      Re: [PATCH 1/1 v2] imx6q-wandboard-revb1.dts: use unique machine name Fabio Estevam <festevam@gmail.com> - 2016-02-07 16:30 +0100
      Re: [PATCH 1/1 v2] imx6q-wandboard-revb1.dts: use unique machine name Robert Nelson <robertcnelson@gmail.com> - 2016-02-08 01:00 +0100
        Re: [PATCH 1/1 v2] imx6q-wandboard-revb1.dts: use unique machine name Heinrich Schuchardt <xypron.glpk@gmx.de> - 2016-02-08 01:30 +0100
          [PATCH 1/1 v3] ARM: dts: imx6dlq-wandboard-revb1.dts: use unique model id Heinrich Schuchardt <xypron.glpk@gmx.de> - 2016-02-08 02:00 +0100

#1328284 — [PATCH 1/1] imx6q-wandboard-revb1.dts: use unique machine name

Downstream packages like Debian flash-install use
/proc/device-tree/model
to determine which dtb file to install.

Hence each dts in the Linux kernel should provide a unique model identifier.

https://lkml.org/lkml/2014/7/8/579 created the new file
imx6q-wandboard-revb1.dts but used the same model identifier
as in imx6q-wandboard.dts.

This patch provides a unique model identifier for revision B1 of
the Wandboard Quad.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
---
 arch/arm/boot/dts/imx6q-wandboard-revb1.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/imx6q-wandboard-revb1.dts b/arch/arm/boot/dts/imx6q-wandboard-revb1.dts
index 20bf3c2..9207d80 100644
--- a/arch/arm/boot/dts/imx6q-wandboard-revb1.dts
+++ b/arch/arm/boot/dts/imx6q-wandboard-revb1.dts
@@ -13,7 +13,7 @@
 #include "imx6qdl-wandboard-revb1.dtsi"
 
 / {
-	model = "Wandboard i.MX6 Quad Board";
+	model = "Wandboard i.MX6 Quad Board rev B1";
 	compatible = "wand,imx6q-wandboard", "fsl,imx6q";
 
 	memory {
-- 
2.1.4

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#1328291 — [PATCH 1/1 v2] imx6q-wandboard-revb1.dts: use unique machine name

Downstream packages like Debian flash-kernel use
/proc/device-tree/model
to determine which dtb file to install.

Hence each dts in the Linux kernel should provide a unique model identifier.

https://lkml.org/lkml/2014/7/8/579 created the new file
imx6q-wandboard-revb1.dts but used the same model identifier
as in imx6q-wandboard.dts.

This patch provides a unique model identifier for revision B1 of
the Wandboard Quad.

v2:
	correct name of referenced Debian package

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
---
 arch/arm/boot/dts/imx6q-wandboard-revb1.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/imx6q-wandboard-revb1.dts b/arch/arm/boot/dts/imx6q-wandboard-revb1.dts
index 20bf3c2..9207d80 100644
--- a/arch/arm/boot/dts/imx6q-wandboard-revb1.dts
+++ b/arch/arm/boot/dts/imx6q-wandboard-revb1.dts
@@ -13,7 +13,7 @@
 #include "imx6qdl-wandboard-revb1.dtsi"
 
 / {
-	model = "Wandboard i.MX6 Quad Board";
+	model = "Wandboard i.MX6 Quad Board rev B1";
 	compatible = "wand,imx6q-wandboard", "fsl,imx6q";
 
 	memory {
-- 
2.1.4

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#1328502 — Re: [PATCH 1/1 v2] imx6q-wandboard-revb1.dts: use unique machine name

On Sat, Feb 6, 2016 at 10:06 AM, Heinrich Schuchardt <xypron.glpk@gmx.de> wrote:
> Downstream packages like Debian flash-kernel use
> /proc/device-tree/model
> to determine which dtb file to install.
>
> Hence each dts in the Linux kernel should provide a unique model identifier.
>
> https://lkml.org/lkml/2014/7/8/579 created the new file
> imx6q-wandboard-revb1.dts but used the same model identifier
> as in imx6q-wandboard.dts.
>
> This patch provides a unique model identifier for revision B1 of
> the Wandboard Quad.
>
> v2:
>         correct name of referenced Debian package
>
> Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>

Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>

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#1328655 — Re: [PATCH 1/1 v2] imx6q-wandboard-revb1.dts: use unique machine name

On Sat, Feb 6, 2016 at 6:06 AM, Heinrich Schuchardt <xypron.glpk@gmx.de> wrote:
> Downstream packages like Debian flash-kernel use
> /proc/device-tree/model
> to determine which dtb file to install.
>
> Hence each dts in the Linux kernel should provide a unique model identifier.
>
> https://lkml.org/lkml/2014/7/8/579 created the new file
> imx6q-wandboard-revb1.dts but used the same model identifier
> as in imx6q-wandboard.dts.
>
> This patch provides a unique model identifier for revision B1 of
> the Wandboard Quad.
>
> v2:
>         correct name of referenced Debian package
>
> Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
> ---
>  arch/arm/boot/dts/imx6q-wandboard-revb1.dts | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm/boot/dts/imx6q-wandboard-revb1.dts b/arch/arm/boot/dts/imx6q-wandboard-revb1.dts
> index 20bf3c2..9207d80 100644
> --- a/arch/arm/boot/dts/imx6q-wandboard-revb1.dts
> +++ b/arch/arm/boot/dts/imx6q-wandboard-revb1.dts
> @@ -13,7 +13,7 @@
>  #include "imx6qdl-wandboard-revb1.dtsi"
>
>  / {
> -       model = "Wandboard i.MX6 Quad Board";
> +       model = "Wandboard i.MX6 Quad Board rev B1";

Okay, this seems a little silly....

The wandboard has 5 versions:

solo: imx6dl-wandboard-revb1.dts

model = "Wandboard i.MX6 Dual Lite Board";

dual rev b: imx6dl-wandboard-revb1.dts

model = "Wandboard i.MX6 Dual Lite Board";

dual rev c: imx6dl-wandboard.dts

model = "Wandboard i.MX6 Dual Lite Board";

quad rev b: imx6q-wandboard-revb1.dts
model = "Wandboard i.MX6 Quad Board"; - > model = "Wandboard i.MX6
Quad Board rev B1";

quad rev c: imx6q-wandboard.dts
model = "Wandboard i.MX6 Quad Board";


Do you guys see the issue?  Either we change them "ALL", rev b or rev c...

Or "flash-kernel" needs to learn to copy more then one dtb (in this
case 5 *.dtb's)

PS, u-boot already can boot on all these with the same SPL/u-boot
image and detect which board and load the correct device tree binary..

Regards,

-- 
Robert Nelson
https://rcn-ee.com/

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#1328667 — Re: [PATCH 1/1 v2] imx6q-wandboard-revb1.dts: use unique machine name

On 08.02.2016 00:52, Robert Nelson wrote:
> On Sat, Feb 6, 2016 at 6:06 AM, Heinrich Schuchardt <xypron.glpk@gmx.de> wrote:
>> Downstream packages like Debian flash-kernel use
>> /proc/device-tree/model
>> to determine which dtb file to install.
>>
>> Hence each dts in the Linux kernel should provide a unique model identifier.
>>
>> https://lkml.org/lkml/2014/7/8/579 created the new file
>> imx6q-wandboard-revb1.dts but used the same model identifier
>> as in imx6q-wandboard.dts.
>>
>> This patch provides a unique model identifier for revision B1 of
>> the Wandboard Quad.
>>
>> v2:
>>         correct name of referenced Debian package
>>
>> Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
>> ---
>>  arch/arm/boot/dts/imx6q-wandboard-revb1.dts | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/arch/arm/boot/dts/imx6q-wandboard-revb1.dts b/arch/arm/boot/dts/imx6q-wandboard-revb1.dts
>> index 20bf3c2..9207d80 100644
>> --- a/arch/arm/boot/dts/imx6q-wandboard-revb1.dts
>> +++ b/arch/arm/boot/dts/imx6q-wandboard-revb1.dts
>> @@ -13,7 +13,7 @@
>>  #include "imx6qdl-wandboard-revb1.dtsi"
>>
>>  / {
>> -       model = "Wandboard i.MX6 Quad Board";
>> +       model = "Wandboard i.MX6 Quad Board rev B1";
> 
> Okay, this seems a little silly....
> 
> The wandboard has 5 versions:
> 
> solo: imx6dl-wandboard-revb1.dts
> 
> model = "Wandboard i.MX6 Dual Lite Board";
> 
> dual rev b: imx6dl-wandboard-revb1.dts
> 
> model = "Wandboard i.MX6 Dual Lite Board";
> 
> dual rev c: imx6dl-wandboard.dts
> 
> model = "Wandboard i.MX6 Dual Lite Board";
> 
> quad rev b: imx6q-wandboard-revb1.dts
> model = "Wandboard i.MX6 Quad Board"; - > model = "Wandboard i.MX6
> Quad Board rev B1";
> 
> quad rev c: imx6q-wandboard.dts
> model = "Wandboard i.MX6 Quad Board";
> 
> 
> Do you guys see the issue?  Either we change them "ALL", rev b or rev c...
> 
> Or "flash-kernel" needs to learn to copy more then one dtb (in this
> case 5 *.dtb's)
> 
> PS, u-boot already can boot on all these with the same SPL/u-boot
> image and detect which board and load the correct device tree binary..
> 
> Regards,
> 
Hello Robert,

I only see four dts files mentioned in your mail (solo using the same as
dual rev B1).

We do not know if imx6dl-wandboard.dts and imx6q-wandboard.dts
will support future revisions of the boards. So it doesn't make
much sense to mark them as restricted to revision C1.

You are right in that we should add a change to
imx6dl-wandboard-revb1.dts to the same patch.

Best regards

Heinrich Schuchardt

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#1328669 — [PATCH 1/1 v3] ARM: dts: imx6dlq-wandboard-revb1.dts: use unique model id

Downstream packages like Debian flash-kernel use
/proc/device-tree/model
to determine which dtb file to install.

Hence each dts in the Linux kernel should provide a unique model
identifier.

Commit 8536239e371f ("ARM: dts: Restructure imx6qdl-wandboard.dtsi for new
rev C1 board.")' created new files imx6dl-wandboard-revb1.dts and
imx6q-wandboard-revb1.dts but used the same model identifier as in
imx6dl-wandboard.dts and imx6q-wandboard.dts.

This patch provides unique model identifiers for revision B1 of
the Wandboard Dual and Wandbaord Quad.

The patch leaves imx6dl-wandboard.dts and imx6q-wandboard.dts unchanged
because it is not foreseeable if the same dts will valid for future
board revisions or not. Furthermore we should avoid unnecessary
changes.

v3:
	update imx6dl-wandboard-revb1.dts

v2:
	correct name of referenced Debian package

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
---
 arch/arm/boot/dts/imx6dl-wandboard-revb1.dts | 2 +-
 arch/arm/boot/dts/imx6q-wandboard-revb1.dts  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/imx6dl-wandboard-revb1.dts b/arch/arm/boot/dts/imx6dl-wandboard-revb1.dts
index f607d4f..8c314ee 100644
--- a/arch/arm/boot/dts/imx6dl-wandboard-revb1.dts
+++ b/arch/arm/boot/dts/imx6dl-wandboard-revb1.dts
@@ -13,7 +13,7 @@
 #include "imx6qdl-wandboard-revb1.dtsi"
 
 / {
-	model = "Wandboard i.MX6 Dual Lite Board";
+	model = "Wandboard i.MX6 Dual Lite Board rev B1";
 	compatible = "wand,imx6dl-wandboard", "fsl,imx6dl";
 
 	memory {
diff --git a/arch/arm/boot/dts/imx6q-wandboard-revb1.dts b/arch/arm/boot/dts/imx6q-wandboard-revb1.dts
index 20bf3c2..9207d80 100644
--- a/arch/arm/boot/dts/imx6q-wandboard-revb1.dts
+++ b/arch/arm/boot/dts/imx6q-wandboard-revb1.dts
@@ -13,7 +13,7 @@
 #include "imx6qdl-wandboard-revb1.dtsi"
 
 / {
-	model = "Wandboard i.MX6 Quad Board";
+	model = "Wandboard i.MX6 Quad Board rev B1";
 	compatible = "wand,imx6q-wandboard", "fsl,imx6q";
 
 	memory {
-- 
2.7.0

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