Re: [PATCH V5] ARM: dts: Change i2s compatible string on exynos5250

2013-08-18 Thread Kukjin Kim

On 08/16/13 16:53, Tomasz Figa wrote:

Hi Kukjin,


[...]


-   compatible = samsung,i2s-v5;
+   compatible = samsung,s5pv210-i2s;


Device tree reviewers, this is something to look out for in the
future. Some samsung platforms/drivers use samsung,chip-ip,
others samsung,ip-chip. I don't personally care much one way or
another, but it really should be consistent.


Hmm...I think, if samsung,ip name-ip version is possible, it would
be nice. I remember there are no versions in datasheet for some IPs but
something have like i2s and mfc. So samsung,ip-version is used
for only i2s and mfc. But actually there are versions for Samsung IPs,
no comments for that in datasheet. So I think, if Samsung can provide
the specific version of Samsung IPs, we can use that like other
platforms. I will prepare some table for that after meeting with
Samsung hardware IP team so that samsung platform use one format
samsung,ip-version.


Sorry, I don't think this is a good idea, unless you can force the IP team
to release a version table containing version of _every_ IP for _every_
released SoC, including those historical ones, like S3C24xx and S3C64xx.
Of course such tables should be available publicly.


It's different issue and I agree with Mark Brown's comments.


In addition, there might be other funny things going on with IPs and their
surroundings, that could make a need to create several separate compatible
values for the same IP revision, but on different SoCs, because it was
integrated in a slightly different way.

I believe we have choses the samsung,chip-ip scheme to avoid being
dependent upon data that is not always publicly available, which is more
future- (and past-) proof and also solves the integration problem.

Well, I don't think so, because Samsung is no more just SoC vendor. 
Actually Samsung is providing just IP to customers, I think, they don't 
like to use the name, exynos for their SoC or Chip, because exynos, 
s3c or s5p whatever is Samsung's SoC brand name. If so, I think, my 
suggestion is more reasonable. See the example of Synopsys and ARM 
primecell...that's why I will try to do it. But I know I need to get 
agreement from DT guys and maybe I need more time than I expect ;-)


Thanks,
Kukjin
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Re: [PATCH V5] ARM: dts: Change i2s compatible string on exynos5250

2013-08-16 Thread Tomasz Figa
Hi Olof,

On Thursday 15 of August 2013 21:48:32 Olof Johansson wrote:
 On Thu, Aug 15, 2013 at 9:26 PM, Padmavathi Venna padm...@samsung.com 
wrote:
  This patch removes quirks from i2s node and change the i2s
  compatible names.
  
  Signed-off-by: Padmavathi Venna padm...@samsung.com
  ---
  
  Changes since V4:
  - Mark Brown reverted the below two patches due to below build
  failure with 
exynos_defconfig.

  ARM: dts: exynos5250: move common i2s properties to
  exynos5 dtsi
  ARM: dts: Change i2s compatible string on exynos5250

build error:
DTC arch/arm/boot/dts/exynos5420-smdk5420.dtb
ERROR (phandle_references): Reference to non-existent node
or label pdma1 ERROR (phandle_references): Reference to
non-existent node or label pdma1 ERROR
(phandle_references): Reference to non-existent node or
label pdma0 ERROR (phandle_references): Reference to
non-existent node or label pdma0 
  But with out ARM: dts: Change i2s compatible string on exynos5250
  will break the i2s driver.
  
  So posting this patch now and will take care of posting other patch
  later after dependent patches got merged.
  
   arch/arm/boot/dts/exynos5250.dtsi |9 +++--
   1 files changed, 3 insertions(+), 6 deletions(-)
  
  diff --git a/arch/arm/boot/dts/exynos5250.dtsi
  b/arch/arm/boot/dts/exynos5250.dtsi index ef57277..376090f 100644
  --- a/arch/arm/boot/dts/exynos5250.dtsi
  +++ b/arch/arm/boot/dts/exynos5250.dtsi
  @@ -405,7 +405,7 @@
  
  };
  
  i2s0: i2s@0383 {
  
  -   compatible = samsung,i2s-v5;
  +   compatible = samsung,s5pv210-i2s;
 
 Device tree reviewers, this is something to look out for in the
 future. Some samsung platforms/drivers use samsung,chip-ip,
 others samsung,ip-chip. I don't personally care much one way or
 another, but it really should be consistent.

Hmm, I just did a quick git grep over arch/arm/boot/dts and could not 
really find the samsung,ip-chip pattern.

Except MFC (and without Padma's patch also I2S), which used samsung,ip-
ip version, all the compatible values I can see are based on 
samsung,chip-ip pattern.

I believe we discussed this issue several times already and finally agreed 
to use samsung,chip-ip for any new compatible values.

Best regards,
Tomasz


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Re: [PATCH V5] ARM: dts: Change i2s compatible string on exynos5250

2013-08-16 Thread Tomasz Figa
Hi Kukjin,

On Friday 16 of August 2013 14:43:17 Kukjin Kim wrote:
 Olof Johansson wrote:
  On Thu, Aug 15, 2013 at 9:26 PM, Padmavathi Venna
  padm...@samsung.com
  
  wrote:
   This patch removes quirks from i2s node and change the i2s
   compatible names.
   
   Signed-off-by: Padmavathi Venna padm...@samsung.com
   ---
   
   Changes since V4:
   - Mark Brown reverted the below two patches due to below
   build
  
  failure with
  
 exynos_defconfig.
 
   ARM: dts: exynos5250: move common i2s properties to
 
 exynos5
 
  dtsi
  
   ARM: dts: Change i2s compatible string on
   exynos5250
 
 build error:
 DTC arch/arm/boot/dts/exynos5420-smdk5420.dtb
 ERROR (phandle_references): Reference to non-existent node
 or
  
  label pdma1
  
 ERROR (phandle_references): Reference to non-existent node
 or
  
  label pdma1
  
 ERROR (phandle_references): Reference to non-existent node
 or
  
  label pdma0
  
 ERROR (phandle_references): Reference to non-existent node
 or
  
  label pdma0
  
   But with out ARM: dts: Change i2s compatible string on exynos5250
   will 
  break the i2s
  
   driver.
   
   So posting this patch now and will take care of posting other patch
  
  later after dependent
  
   patches got merged.
   
arch/arm/boot/dts/exynos5250.dtsi |9 +++--
1 files changed, 3 insertions(+), 6 deletions(-)
   
   diff --git a/arch/arm/boot/dts/exynos5250.dtsi
  
  b/arch/arm/boot/dts/exynos5250.dtsi
  
   index ef57277..376090f 100644
   --- a/arch/arm/boot/dts/exynos5250.dtsi
   +++ b/arch/arm/boot/dts/exynos5250.dtsi
   @@ -405,7 +405,7 @@
   
   };
   
   i2s0: i2s@0383 {
   
   -   compatible = samsung,i2s-v5;
   +   compatible = samsung,s5pv210-i2s;
  
  Device tree reviewers, this is something to look out for in the
  future. Some samsung platforms/drivers use samsung,chip-ip,
  others samsung,ip-chip. I don't personally care much one way or
  another, but it really should be consistent.
 
 Hmm...I think, if samsung,ip name-ip version is possible, it would
 be nice. I remember there are no versions in datasheet for some IPs but
 something have like i2s and mfc. So samsung,ip-version is used
 for only i2s and mfc. But actually there are versions for Samsung IPs,
 no comments for that in datasheet. So I think, if Samsung can provide
 the specific version of Samsung IPs, we can use that like other
 platforms. I will prepare some table for that after meeting with
 Samsung hardware IP team so that samsung platform use one format
 samsung,ip-version.

Sorry, I don't think this is a good idea, unless you can force the IP team 
to release a version table containing version of _every_ IP for _every_ 
released SoC, including those historical ones, like S3C24xx and S3C64xx. 
Of course such tables should be available publicly.

In addition, there might be other funny things going on with IPs and their 
surroundings, that could make a need to create several separate compatible 
values for the same IP revision, but on different SoCs, because it was 
integrated in a slightly different way.

I believe we have choses the samsung,chip-ip scheme to avoid being 
dependent upon data that is not always publicly available, which is more 
future- (and past-) proof and also solves the integration problem.

Best regards,
Tomasz


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Re: [PATCH V5] ARM: dts: Change i2s compatible string on exynos5250

2013-08-16 Thread Mark Brown
On Fri, Aug 16, 2013 at 09:53:23AM +0200, Tomasz Figa wrote:

 Sorry, I don't think this is a good idea, unless you can force the IP team 
 to release a version table containing version of _every_ IP for _every_ 
 released SoC, including those historical ones, like S3C24xx and S3C64xx. 
 Of course such tables should be available publicly.

I don't think public availability is much of an issue here, the
datasheets are all NDAed anyway.


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Re: [PATCH V5] ARM: dts: Change i2s compatible string on exynos5250

2013-08-16 Thread Mark Brown
On Fri, Aug 16, 2013 at 09:56:18AM +0530, Padmavathi Venna wrote:
 This patch removes quirks from i2s node and change the i2s
 compatible names.

Applied, thanks.


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[PATCH V5] ARM: dts: Change i2s compatible string on exynos5250

2013-08-15 Thread Padmavathi Venna
This patch removes quirks from i2s node and change the i2s
compatible names.

Signed-off-by: Padmavathi Venna padm...@samsung.com
---

Changes since V4:
- Mark Brown reverted the below two patches due to below build failure 
with
  exynos_defconfig.
ARM: dts: exynos5250: move common i2s properties to exynos5 
dtsi
ARM: dts: Change i2s compatible string on exynos5250

  build error:
  DTC arch/arm/boot/dts/exynos5420-smdk5420.dtb
  ERROR (phandle_references): Reference to non-existent node or label 
pdma1
  ERROR (phandle_references): Reference to non-existent node or label 
pdma1
  ERROR (phandle_references): Reference to non-existent node or label 
pdma0
  ERROR (phandle_references): Reference to non-existent node or label 
pdma0

But with out ARM: dts: Change i2s compatible string on exynos5250 will break 
the i2s
driver.

So posting this patch now and will take care of posting other patch later after 
dependent
patches got merged.

 arch/arm/boot/dts/exynos5250.dtsi |9 +++--
 1 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/arch/arm/boot/dts/exynos5250.dtsi 
b/arch/arm/boot/dts/exynos5250.dtsi
index ef57277..376090f 100644
--- a/arch/arm/boot/dts/exynos5250.dtsi
+++ b/arch/arm/boot/dts/exynos5250.dtsi
@@ -405,7 +405,7 @@
};
 
i2s0: i2s@0383 {
-   compatible = samsung,i2s-v5;
+   compatible = samsung,s5pv210-i2s;
reg = 0x0383 0x100;
dmas = pdma0 10
pdma0 9
@@ -415,16 +415,13 @@
clock_audss EXYNOS_I2S_BUS,
clock_audss EXYNOS_SCLK_I2S;
clock-names = iis, i2s_opclk0, i2s_opclk1;
-   samsung,supports-6ch;
-   samsung,supports-rstclr;
-   samsung,supports-secdai;
samsung,idma-addr = 0x0300;
pinctrl-names = default;
pinctrl-0 = i2s0_bus;
};
 
i2s1: i2s@12D6 {
-   compatible = samsung,i2s-v5;
+   compatible = samsung,s3c6410-i2s;
reg = 0x12D6 0x100;
dmas = pdma1 12
pdma1 11;
@@ -436,7 +433,7 @@
};
 
i2s2: i2s@12D7 {
-   compatible = samsung,i2s-v5;
+   compatible = samsung,s3c6410-i2s;
reg = 0x12D7 0x100;
dmas = pdma0 12
pdma0 11;
-- 
1.7.4.4

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Re: [PATCH V5] ARM: dts: Change i2s compatible string on exynos5250

2013-08-15 Thread Olof Johansson
On Thu, Aug 15, 2013 at 9:26 PM, Padmavathi Venna padm...@samsung.com wrote:
 This patch removes quirks from i2s node and change the i2s
 compatible names.

 Signed-off-by: Padmavathi Venna padm...@samsung.com
 ---

 Changes since V4:
 - Mark Brown reverted the below two patches due to below build 
 failure with
   exynos_defconfig.
 ARM: dts: exynos5250: move common i2s properties to exynos5 
 dtsi
 ARM: dts: Change i2s compatible string on exynos5250

   build error:
   DTC arch/arm/boot/dts/exynos5420-smdk5420.dtb
   ERROR (phandle_references): Reference to non-existent node or label 
 pdma1
   ERROR (phandle_references): Reference to non-existent node or label 
 pdma1
   ERROR (phandle_references): Reference to non-existent node or label 
 pdma0
   ERROR (phandle_references): Reference to non-existent node or label 
 pdma0

 But with out ARM: dts: Change i2s compatible string on exynos5250 will 
 break the i2s
 driver.

 So posting this patch now and will take care of posting other patch later 
 after dependent
 patches got merged.

  arch/arm/boot/dts/exynos5250.dtsi |9 +++--
  1 files changed, 3 insertions(+), 6 deletions(-)

 diff --git a/arch/arm/boot/dts/exynos5250.dtsi 
 b/arch/arm/boot/dts/exynos5250.dtsi
 index ef57277..376090f 100644
 --- a/arch/arm/boot/dts/exynos5250.dtsi
 +++ b/arch/arm/boot/dts/exynos5250.dtsi
 @@ -405,7 +405,7 @@
 };

 i2s0: i2s@0383 {
 -   compatible = samsung,i2s-v5;
 +   compatible = samsung,s5pv210-i2s;

Device tree reviewers, this is something to look out for in the
future. Some samsung platforms/drivers use samsung,chip-ip,
others samsung,ip-chip. I don't personally care much one way or
another, but it really should be consistent.


-Olof
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RE: [PATCH V5] ARM: dts: Change i2s compatible string on exynos5250

2013-08-15 Thread Kukjin Kim
Olof Johansson wrote:
 
 On Thu, Aug 15, 2013 at 9:26 PM, Padmavathi Venna padm...@samsung.com
 wrote:
  This patch removes quirks from i2s node and change the i2s
  compatible names.
 
  Signed-off-by: Padmavathi Venna padm...@samsung.com
  ---
 
  Changes since V4:
  - Mark Brown reverted the below two patches due to below build
 failure with
exynos_defconfig.
  ARM: dts: exynos5250: move common i2s properties to
exynos5
 dtsi
  ARM: dts: Change i2s compatible string on exynos5250
 
build error:
DTC arch/arm/boot/dts/exynos5420-smdk5420.dtb
ERROR (phandle_references): Reference to non-existent node or
 label pdma1
ERROR (phandle_references): Reference to non-existent node or
 label pdma1
ERROR (phandle_references): Reference to non-existent node or
 label pdma0
ERROR (phandle_references): Reference to non-existent node or
 label pdma0
 
  But with out ARM: dts: Change i2s compatible string on exynos5250 will
 break the i2s
  driver.
 
  So posting this patch now and will take care of posting other patch
 later after dependent
  patches got merged.
 
   arch/arm/boot/dts/exynos5250.dtsi |9 +++--
   1 files changed, 3 insertions(+), 6 deletions(-)
 
  diff --git a/arch/arm/boot/dts/exynos5250.dtsi
 b/arch/arm/boot/dts/exynos5250.dtsi
  index ef57277..376090f 100644
  --- a/arch/arm/boot/dts/exynos5250.dtsi
  +++ b/arch/arm/boot/dts/exynos5250.dtsi
  @@ -405,7 +405,7 @@
  };
 
  i2s0: i2s@0383 {
  -   compatible = samsung,i2s-v5;
  +   compatible = samsung,s5pv210-i2s;
 
 Device tree reviewers, this is something to look out for in the
 future. Some samsung platforms/drivers use samsung,chip-ip,
 others samsung,ip-chip. I don't personally care much one way or
 another, but it really should be consistent.
 
Hmm...I think, if samsung,ip name-ip version is possible, it would be
nice. I remember there are no versions in datasheet for some IPs but
something have like i2s and mfc. So samsung,ip-version is used for
only i2s and mfc. But actually there are versions for Samsung IPs, no
comments for that in datasheet. So I think, if Samsung can provide the
specific version of Samsung IPs, we can use that like other platforms. I
will prepare some table for that after meeting with Samsung hardware IP team
so that samsung platform use one format samsung,ip-version.

Thanks,
Kukjin

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