[PATCH v3 1/2] dt-bindings: thermal: rcar-gen3-thermal: use positive logic

[PATCH v3 1/2] dt-bindings: thermal: rcar-gen3-thermal: use positive logic

[Wolfram Sang]

When handling the V3U/r8a779a0 exception, avoid using 'not:' because
then its subschemas are far away in the 'else:' branch. Keep them
together using positive logic.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
---

Changes since v2:
* new patch

Tested with:
make dtbs_check DT_SCHEMA_FILES=thermal/rcar-gen3-thermal.yaml

 .../bindings/thermal/rcar-gen3-thermal.yaml   | 21 +++++++++----------
 1 file changed, 10 insertions(+), 11 deletions(-)

diff --git a/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml b/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml
index 1368d90da0e8..72dc7eb27f8d 100644
--- a/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml
+++ b/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml
@@ -57,31 +57,30 @@ required:
   - "#thermal-sensor-cells"
 
 if:
-  not:
-    properties:
-      compatible:
-        contains:
-          enum:
-            - renesas,r8a779a0-thermal
+  properties:
+    compatible:
+      contains:
+        enum:
+          - renesas,r8a779a0-thermal
 then:
   properties:
     reg:
-      minItems: 2
       items:
+        - description: TSC0 registers
         - description: TSC1 registers
         - description: TSC2 registers
         - description: TSC3 registers
-  required:
-    - interrupts
+        - description: TSC4 registers
 else:
   properties:
     reg:
+      minItems: 2
       items:
-        - description: TSC0 registers
         - description: TSC1 registers
         - description: TSC2 registers
         - description: TSC3 registers
-        - description: TSC4 registers
+  required:
+    - interrupts
 
 additionalProperties: false
 
-- 
2.35.1

[PATCH v3 2/2] dt-bindings: thermal: rcar-gen3-thermal: Add r8a779f0 support

[Wolfram Sang]

Add support for R-Car S4. The S4 IP differs a bit from its siblings in
such way that it has 3 out of 4 TSC nodes for Linux and the interrupts
are not routed to the INTC-AP but to the ECM.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
---

Change since V2:
* make interrupts not required for this SoC

Tested with:
make dtbs_check DT_SCHEMA_FILES=thermal/rcar-gen3-thermal.yaml

 .../bindings/thermal/rcar-gen3-thermal.yaml   | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml b/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml
index 72dc7eb27f8d..0f05f5c886c5 100644
--- a/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml
+++ b/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml
@@ -8,9 +8,9 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
 title: Renesas R-Car Gen3 Thermal Sensor
 
 description:
-  On R-Car Gen3 SoCs, the thermal sensor controllers (TSC) control the thermal
-  sensors (THS) which are the analog circuits for measuring temperature (Tj)
-  inside the LSI.
+  On most R-Car Gen3 and later SoCs, the thermal sensor controllers (TSC)
+  control the thermal sensors (THS) which are the analog circuits for
+  measuring temperature (Tj) inside the LSI.
 
 maintainers:
   - Niklas Söderlund <niklas.soderlund@ragnatech.se>
@@ -27,6 +27,7 @@ properties:
       - renesas,r8a77965-thermal # R-Car M3-N
       - renesas,r8a77980-thermal # R-Car V3H
       - renesas,r8a779a0-thermal # R-Car V3U
+      - renesas,r8a779f0-thermal # R-Car S4-8
 
   reg: true
 
@@ -79,8 +80,16 @@ else:
         - description: TSC1 registers
         - description: TSC2 registers
         - description: TSC3 registers
-  required:
-    - interrupts
+  if:
+    not:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - renesas,r8a779f0-thermal
+  then:
+    required:
+      - interrupts
 
 additionalProperties: false
 
-- 
2.35.1

Re: [PATCH v3 2/2] dt-bindings: thermal: rcar-gen3-thermal: Add r8a779f0 support

[Niklas Söderlund]

Hi Wolfram,

Thanks for your work.

On 2022-06-10 22:17:01 +0200, Wolfram Sang wrote:
> Add support for R-Car S4. The S4 IP differs a bit from its siblings in
> such way that it has 3 out of 4 TSC nodes for Linux and the interrupts
> are not routed to the INTC-AP but to the ECM.
> 
> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>

Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>

> ---
> 
> Change since V2:
> * make interrupts not required for this SoC
> 
> Tested with:
> make dtbs_check DT_SCHEMA_FILES=thermal/rcar-gen3-thermal.yaml
> 
>  .../bindings/thermal/rcar-gen3-thermal.yaml   | 19 ++++++++++++++-----
>  1 file changed, 14 insertions(+), 5 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml b/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml
> index 72dc7eb27f8d..0f05f5c886c5 100644
> --- a/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml
> +++ b/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml
> @@ -8,9 +8,9 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
>  title: Renesas R-Car Gen3 Thermal Sensor
>  
>  description:
> -  On R-Car Gen3 SoCs, the thermal sensor controllers (TSC) control the thermal
> -  sensors (THS) which are the analog circuits for measuring temperature (Tj)
> -  inside the LSI.
> +  On most R-Car Gen3 and later SoCs, the thermal sensor controllers (TSC)
> +  control the thermal sensors (THS) which are the analog circuits for
> +  measuring temperature (Tj) inside the LSI.
>  
>  maintainers:
>    - Niklas Söderlund <niklas.soderlund@ragnatech.se>
> @@ -27,6 +27,7 @@ properties:
>        - renesas,r8a77965-thermal # R-Car M3-N
>        - renesas,r8a77980-thermal # R-Car V3H
>        - renesas,r8a779a0-thermal # R-Car V3U
> +      - renesas,r8a779f0-thermal # R-Car S4-8
>  
>    reg: true
>  
> @@ -79,8 +80,16 @@ else:
>          - description: TSC1 registers
>          - description: TSC2 registers
>          - description: TSC3 registers
> -  required:
> -    - interrupts
> +  if:
> +    not:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - renesas,r8a779f0-thermal
> +  then:
> +    required:
> +      - interrupts
>  
>  additionalProperties: false
>  
> -- 
> 2.35.1
> 

-- 
Kind Regards,
Niklas Söderlund

Re: [PATCH v3 2/2] dt-bindings: thermal: rcar-gen3-thermal: Add r8a779f0 support

[Geert Uytterhoeven]

Hi Wolfram,

On Fri, Jun 10, 2022 at 10:17 PM Wolfram Sang
<wsa+renesas@sang-engineering.com> wrote:
> Add support for R-Car S4. The S4 IP differs a bit from its siblings in
> such way that it has 3 out of 4 TSC nodes for Linux and the interrupts
> are not routed to the INTC-AP but to the ECM.
>
> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
> ---
>
> Change since V2:
> * make interrupts not required for this SoC

Thanks for the update!

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

> --- a/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml
> +++ b/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml

> @@ -79,8 +80,16 @@ else:
>          - description: TSC1 registers
>          - description: TSC2 registers
>          - description: TSC3 registers
> -  required:
> -    - interrupts
> +  if:
> +    not:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - renesas,r8a779f0-thermal
> +  then:
> +    required:
> +      - interrupts

While correct, IMHO adding this check here loses again the improvement
made by "[PATCH v3 1/2] dt-bindings: thermal: rcar-gen3-thermal: use
positive logic".

What about splitting this in two separate checks at the top level:
  - one for regs (R-Car V3U vs. the world), and
  - a second for interrupts (R-Car V3U+S4-8 vs. the world)?

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH v3 2/2] dt-bindings: thermal: rcar-gen3-thermal: Add r8a779f0 support

[Wolfram Sang]

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> What about splitting this in two separate checks at the top level:
>   - one for regs (R-Car V3U vs. the world), and
>   - a second for interrupts (R-Car V3U+S4-8 vs. the world)?

I'll try this and see how it looks, thanks for the suggestion!


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Re: [PATCH v3 2/2] dt-bindings: thermal: rcar-gen3-thermal: Add r8a779f0 support

[Wolfram Sang]

[-- Attachment #1: Type: text/plain, Size: 286 bytes --]


> What about splitting this in two separate checks at the top level:
>   - one for regs (R-Car V3U vs. the world), and
>   - a second for interrupts (R-Car V3U+S4-8 vs. the world)?

This task seems too much for my YAML-foo :( I couldn't get it to work.
Can we leave it as-is for now?


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Re: [PATCH v3 2/2] dt-bindings: thermal: rcar-gen3-thermal: Add r8a779f0 support

[Geert Uytterhoeven]

Hi Wolfram,

On Tue, Jun 14, 2022 at 10:18 PM Wolfram Sang
<wsa+renesas@sang-engineering.com> wrote:
> > What about splitting this in two separate checks at the top level:
> >   - one for regs (R-Car V3U vs. the world), and
> >   - a second for interrupts (R-Car V3U+S4-8 vs. the world)?
>
> This task seems too much for my YAML-foo :( I couldn't get it to work.
> Can we leave it as-is for now?

You just need an allOf with two if statements, cfr. e.g.
Documentation/devicetree/bindings/media/renesas,vin.yaml?

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH v3 2/2] dt-bindings: thermal: rcar-gen3-thermal: Add r8a779f0 support

[Wolfram Sang]

[-- Attachment #1: Type: text/plain, Size: 836 bytes --]


> > > What about splitting this in two separate checks at the top level:
> > >   - one for regs (R-Car V3U vs. the world), and
> > >   - a second for interrupts (R-Car V3U+S4-8 vs. the world)?
> >
> > This task seems too much for my YAML-foo :( I couldn't get it to work.
> > Can we leave it as-is for now?
> 
> You just need an allOf with two if statements, cfr. e.g.
> Documentation/devicetree/bindings/media/renesas,vin.yaml?

First, I don't think the negative logic is as bad here because there is
no 'else' block which is far away. Second, I think we need a 'not'
anyhow because the condition is:
	'if not r8a779f0 then required interrupts'

Third, I still think we can fix it incrementally later if we want. The
new board has enough issues to take care of. For now, I'd rather
investigate those than YAML ;)


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Re: [PATCH v3 2/2] dt-bindings: thermal: rcar-gen3-thermal: Add r8a779f0 support

[Rob Herring]

On Fri, 10 Jun 2022 22:17:01 +0200, Wolfram Sang wrote:
> Add support for R-Car S4. The S4 IP differs a bit from its siblings in
> such way that it has 3 out of 4 TSC nodes for Linux and the interrupts
> are not routed to the INTC-AP but to the ECM.
> 
> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
> ---
> 
> Change since V2:
> * make interrupts not required for this SoC
> 
> Tested with:
> make dtbs_check DT_SCHEMA_FILES=thermal/rcar-gen3-thermal.yaml
> 
>  .../bindings/thermal/rcar-gen3-thermal.yaml   | 19 ++++++++++++++-----
>  1 file changed, 14 insertions(+), 5 deletions(-)
> 

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

[thermal: thermal/next] dt-bindings: thermal: rcar-gen3-thermal: Add r8a779f0 support

[thermal-bot for Wolfram Sang]

The following commit has been merged into the thermal/next branch of thermal:

Commit-ID:     83b4466b3f1b00da0cbc754e055e89a7b02b2034
Gitweb:        https://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux.git//83b4466b3f1b00da0cbc754e055e89a7b02b2034
Author:        Wolfram Sang <wsa+renesas@sang-engineering.com>
AuthorDate:    Fri, 10 Jun 2022 22:17:01 +02:00
Committer:     Daniel Lezcano <daniel.lezcano@linaro.org>
CommitterDate: Thu, 28 Jul 2022 17:29:45 +02:00

dt-bindings: thermal: rcar-gen3-thermal: Add r8a779f0 support

Add support for R-Car S4. The S4 IP differs a bit from its siblings in
such way that it has 3 out of 4 TSC nodes for Linux and the interrupts
are not routed to the INTC-AP but to the ECM.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220610201701.7946-2-wsa+renesas@sang-engineering.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
---
 Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml b/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml
index 72dc7eb..0f05f5c 100644
--- a/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml
+++ b/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml
@@ -8,9 +8,9 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
 title: Renesas R-Car Gen3 Thermal Sensor
 
 description:
-  On R-Car Gen3 SoCs, the thermal sensor controllers (TSC) control the thermal
-  sensors (THS) which are the analog circuits for measuring temperature (Tj)
-  inside the LSI.
+  On most R-Car Gen3 and later SoCs, the thermal sensor controllers (TSC)
+  control the thermal sensors (THS) which are the analog circuits for
+  measuring temperature (Tj) inside the LSI.
 
 maintainers:
   - Niklas Söderlund <niklas.soderlund@ragnatech.se>
@@ -27,6 +27,7 @@ properties:
       - renesas,r8a77965-thermal # R-Car M3-N
       - renesas,r8a77980-thermal # R-Car V3H
       - renesas,r8a779a0-thermal # R-Car V3U
+      - renesas,r8a779f0-thermal # R-Car S4-8
 
   reg: true
 
@@ -79,8 +80,16 @@ else:
         - description: TSC1 registers
         - description: TSC2 registers
         - description: TSC3 registers
-  required:
-    - interrupts
+  if:
+    not:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - renesas,r8a779f0-thermal
+  then:
+    required:
+      - interrupts
 
 additionalProperties: false
 

Re: [PATCH v3 1/2] dt-bindings: thermal: rcar-gen3-thermal: use positive logic

[Niklas Söderlund]

Hi Wolfram,

Thanks for your patch.

On 2022-06-10 22:17:00 +0200, Wolfram Sang wrote:
> When handling the V3U/r8a779a0 exception, avoid using 'not:' because
> then its subschemas are far away in the 'else:' branch. Keep them
> together using positive logic.
> 
> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>

Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>

> ---
> 
> Changes since v2:
> * new patch
> 
> Tested with:
> make dtbs_check DT_SCHEMA_FILES=thermal/rcar-gen3-thermal.yaml
> 
>  .../bindings/thermal/rcar-gen3-thermal.yaml   | 21 +++++++++----------
>  1 file changed, 10 insertions(+), 11 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml b/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml
> index 1368d90da0e8..72dc7eb27f8d 100644
> --- a/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml
> +++ b/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml
> @@ -57,31 +57,30 @@ required:
>    - "#thermal-sensor-cells"
>  
>  if:
> -  not:
> -    properties:
> -      compatible:
> -        contains:
> -          enum:
> -            - renesas,r8a779a0-thermal
> +  properties:
> +    compatible:
> +      contains:
> +        enum:
> +          - renesas,r8a779a0-thermal
>  then:
>    properties:
>      reg:
> -      minItems: 2
>        items:
> +        - description: TSC0 registers
>          - description: TSC1 registers
>          - description: TSC2 registers
>          - description: TSC3 registers
> -  required:
> -    - interrupts
> +        - description: TSC4 registers
>  else:
>    properties:
>      reg:
> +      minItems: 2
>        items:
> -        - description: TSC0 registers
>          - description: TSC1 registers
>          - description: TSC2 registers
>          - description: TSC3 registers
> -        - description: TSC4 registers
> +  required:
> +    - interrupts
>  
>  additionalProperties: false
>  
> -- 
> 2.35.1
> 

-- 
Kind Regards,
Niklas Söderlund

Re: [PATCH v3 1/2] dt-bindings: thermal: rcar-gen3-thermal: use positive logic

[Geert Uytterhoeven]

On Fri, Jun 10, 2022 at 10:18 PM Wolfram Sang
<wsa+renesas@sang-engineering.com> wrote:
> When handling the V3U/r8a779a0 exception, avoid using 'not:' because
> then its subschemas are far away in the 'else:' branch. Keep them
> together using positive logic.
>
> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
> ---
>
> Changes since v2:
> * new patch

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

> Tested with:
> make dtbs_check DT_SCHEMA_FILES=thermal/rcar-gen3-thermal.yaml

And dt_binding_check? Yep, it succeeds ;-)

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH v3 1/2] dt-bindings: thermal: rcar-gen3-thermal: use positive logic

[Daniel Lezcano]

On 10/06/2022 22:17, Wolfram Sang wrote:
> When handling the V3U/r8a779a0 exception, avoid using 'not:' because
> then its subschemas are far away in the 'else:' branch. Keep them
> together using positive logic.
> 
> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
> ---
> 
> Changes since v2:
> * new patch
> 
> Tested with:
> make dtbs_check DT_SCHEMA_FILES=thermal/rcar-gen3-thermal.yaml
> 
>   .../bindings/thermal/rcar-gen3-thermal.yaml   | 21 +++++++++----------
>   1 file changed, 10 insertions(+), 11 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml b/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml
> index 1368d90da0e8..72dc7eb27f8d 100644
> --- a/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml
> +++ b/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml
> @@ -57,31 +57,30 @@ required:
>     - "#thermal-sensor-cells"

Applied, thanks


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[thermal: thermal/next] dt-bindings: thermal: rcar-gen3-thermal: use positive logic

[thermal-bot for Wolfram Sang]

The following commit has been merged into the thermal/next branch of thermal:

Commit-ID:     3c1fa94cd0baca8d573aead43f33785eca66ed42
Gitweb:        https://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux.git//3c1fa94cd0baca8d573aead43f33785eca66ed42
Author:        Wolfram Sang <wsa+renesas@sang-engineering.com>
AuthorDate:    Fri, 10 Jun 2022 22:17:00 +02:00
Committer:     Daniel Lezcano <daniel.lezcano@linaro.org>
CommitterDate: Thu, 28 Jul 2022 17:29:44 +02:00

dt-bindings: thermal: rcar-gen3-thermal: use positive logic

When handling the V3U/r8a779a0 exception, avoid using 'not:' because
then its subschemas are far away in the 'else:' branch. Keep them
together using positive logic.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20220610201701.7946-1-wsa+renesas@sang-engineering.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
---
 Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml | 21 ++++++++++-----------
 1 file changed, 10 insertions(+), 11 deletions(-)

diff --git a/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml b/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml
index 1368d90..72dc7eb 100644
--- a/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml
+++ b/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml
@@ -57,31 +57,30 @@ required:
   - "#thermal-sensor-cells"
 
 if:
-  not:
-    properties:
-      compatible:
-        contains:
-          enum:
-            - renesas,r8a779a0-thermal
+  properties:
+    compatible:
+      contains:
+        enum:
+          - renesas,r8a779a0-thermal
 then:
   properties:
     reg:
-      minItems: 2
       items:
+        - description: TSC0 registers
         - description: TSC1 registers
         - description: TSC2 registers
         - description: TSC3 registers
-  required:
-    - interrupts
+        - description: TSC4 registers
 else:
   properties:
     reg:
+      minItems: 2
       items:
-        - description: TSC0 registers
         - description: TSC1 registers
         - description: TSC2 registers
         - description: TSC3 registers
-        - description: TSC4 registers
+  required:
+    - interrupts
 
 additionalProperties: false