Thread (9 messages) 9 messages, 3 authors, 2024-02-17

Re: [PATCH v2] dt-bindings: hwmon: tda38640: Add interrupt & regulator properties

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From: Conor Dooley <conor@kernel.org>
Date: 2024-02-14 17:51:47
Also in: linux-hwmon, lkml

On Wed, Feb 14, 2024 at 02:55:03PM +0530, Naresh Solanki wrote:
Add properties for interrupt & regulator.
Also update example.
I feel like a broken record. Your patches need to explain _why_ you're
doing what you're doing. I can read the diff and see this, but I do not
know what the justification for it is.

/30 seconds later
I really am a broken record, to quote from v1:
| Feeling like a broken record, given I am leaving the same comments on
| multiple patches. The commit message needs to explain why you're doing
| something. I can read the diff and see what you did!

https://lore.kernel.org/all/20240126-fleshed-subdued-36bae813e2ba@spud/ (local)

The patch itself does look better than the v1, with one minor comment
below.

Thanks,
Conor.
quoted hunk ↗ jump to hunk
Signed-off-by: Naresh Solanki <redacted>

---
Changes in v2:
1. Remove TEST=..
2. Update regulator subnode property as vout0
3. Restore commented line in example
4. blank line after interrupts property in example.
---
 .../hwmon/pmbus/infineon,tda38640.yaml        | 28 +++++++++++++++++++
 1 file changed, 28 insertions(+)
diff --git a/Documentation/devicetree/bindings/hwmon/pmbus/infineon,tda38640.yaml b/Documentation/devicetree/bindings/hwmon/pmbus/infineon,tda38640.yaml
index ded1c115764b..a93b3f86ee87 100644
--- a/Documentation/devicetree/bindings/hwmon/pmbus/infineon,tda38640.yaml
+++ b/Documentation/devicetree/bindings/hwmon/pmbus/infineon,tda38640.yaml
@@ -30,6 +30,23 @@ properties:
       unconnected(has internal pull-down).
     type: boolean
 
+  interrupts:
+    maxItems: 1
+
+  regulators:
+    type: object
+    description:
+      list of regulators provided by this controller.
+
+    properties:
+      vout0:
Why "vout0" if there's only one output? Is it called that in the
documentation? I had a quick check but only saw it called "vout".
Are there other related devices that would have multiple regulators
that might end up sharing the binding?

Thanks,
Conor.
quoted hunk ↗ jump to hunk
+        $ref: /schemas/regulator/regulator.yaml#
+        type: object
+
+        unevaluatedProperties: false
+
+    additionalProperties: false
+
 required:
   - compatible
   - reg
@@ -38,6 +55,7 @@ additionalProperties: false
 
 examples:
   - |
+    #include <dt-bindings/interrupt-controller/irq.h>
     i2c {
         #address-cells = <1>;
         #size-cells = <0>;
@@ -45,5 +63,15 @@ examples:
         tda38640@40 {
             compatible = "infineon,tda38640";
             reg = <0x40>;
+
+            interrupt-parent = <&smb_pex_cpu0_event>;
+            interrupts = <10 IRQ_TYPE_LEVEL_LOW>;
+
+            regulators {
+                pvnn_main_cpu0: vout0 {
+                    regulator-name = "pvnn_main_cpu0";
+                    regulator-enable-ramp-delay = <200>;
+                };
+            };
         };
     };
base-commit: 7e90b5c295ec1e47c8ad865429f046970c549a66
-- 
2.42.0

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