Re: [PATCH v2 2/3] dt-bindings: pinctrl: sx150xq: allow gpio line naming

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Hello Krzysztof,

On 31.10.24 19:14, Krzysztof Kozlowski wrote:
On 31/10/2024 16:12, Heiko Schocher wrote:
Adding gpio-line-names property works fine for this
device node, but dtb check drops warning:

'gpio-line-names' does not match any of the regexes: '-cfg$', 'pinctrl-[0-9]+'
from schema $id: http://devicetree.org/schemas/pinctrl/semtech,sx1501q.yaml#

Allow to add property gpio-line-names for this devices.

Signed-off-by: Heiko Schocher <hs@xxxxxxx>

---
checkpatch shows
WARNING: Prefer a maximum 75 chars per line (possible unwrapped commit description?)
'gpio-line-names' does not match any of the regexes: '-cfg$', 'pinctrl-[0-9]+'

No worries, this can be ignored. Warning messages can pass the limit (up
to some point).

Fine, thanks!

Ignored, as it is a make output, which helps to understand the
reason for adding this patch.

Changes in v2:
patch dt-bindings: pinctrl: sx150xq: allow gpio line naming new in v2

  .../devicetree/bindings/pinctrl/semtech,sx1501q.yaml          | 4 ++++
  1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/pinctrl/semtech,sx1501q.yaml b/Documentation/devicetree/bindings/pinctrl/semtech,sx1501q.yaml
index 4214d7311f6b..fd0936545bb8 100644
--- a/Documentation/devicetree/bindings/pinctrl/semtech,sx1501q.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/semtech,sx1501q.yaml
@@ -26,6 +26,10 @@ properties:
    reg:
      maxItems: 1
+ gpio-line-names:
+    minItems: 1

I think gpio-line-names should always match the actual number of GPIOs
for given device. Do you have here devices with 1 gpio? This could be
further constrained in if:then sections.

I have the device with "sx150x_16_pins", see drivers/pinctrl/pinctrl-sx150x.c

I started with minItems, because I thought it is okay to allow
less names... (as I did in patch 3/3) but see now, that other drivers have
minItems = maxItems.

So I think I should add to my patch the following part:

hs@threadripper:linux  [aristainetos3-dts-v3] $ git diff
diff --git a/Documentation/devicetree/bindings/pinctrl/semtech,sx1501q.yaml b/Documentation/devicetree/bindings/pinctrl/semtech,sx1501q.yaml
index fd0936545bb8..0872ee1c6fa6 100644
--- a/Documentation/devicetree/bindings/pinctrl/semtech,sx1501q.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/semtech,sx1501q.yaml
@@ -91,6 +91,45 @@ required:

 allOf:
   - $ref: pinctrl.yaml#
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - semtech,sx1501q
+              - semtech,sx1504q
+              - semtech,sx1507q
+    then:
+       properties:
+          gpio-line-names:
+              minItems: 5
+              maxItems: 5
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - semtech,sx1502q
+              - semtech,sx1505q
+              - semtech,sx1508q
+    then:
+       properties:
+          gpio-line-names:
+              minItems: 9
+              maxItems: 9
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - semtech,sx1503q
+              - semtech,sx1506q
+              - semtech,sx1509q
+    then:
+       properties:
+          gpio-line-names:
+              minItems: 17
+              maxItems: 17
   - if:
       not:
         properties:

With that, dtb checks than claim (as expected) for my 3/3 patch
from this seris:
"""
imx8mp-aristainetos3-proton2s.dtb: pinctrl@3f: gpio-line-names: ['RELAY0', 'RELAY1', 'RELAY2', 'HEATER', 'FAN', 'SPARE', 'CLEAR', 'FAULT'] is too short
"""

So, I adapt that too in a next version of the patchset, if above
change is okay... is it?

Thanks for your review!

bye,
Heiko
--
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HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: +49-8142-66989-52   Fax: +49-8142-66989-80   Email: hs@xxxxxxx




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