linux-kernel - [PATCH v2] dt-bindings: ata: Add UniPhier controller binding

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Date:   Mon, 13 Feb 2023 13:54:32 +0900
From:   Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
To:     Damien Le Moal <damien.lemoal@...nsource.wdc.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Hans de Goede <hdegoede@...hat.com>,
        Jens Axboe <axboe@...nel.dk>
Cc:     linux-ide@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
Subject: [PATCH v2] dt-bindings: ata: Add UniPhier controller binding

Add UniPhier SATA controller compatible string to the platform binding.
This controller needs maximum three reset controls.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
---
 .../devicetree/bindings/ata/ahci-platform.yaml  | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

Changes since v1:
- Restrict resets property changes with compatible strings
- Fix maxItems from two to three

diff --git a/Documentation/devicetree/bindings/ata/ahci-platform.yaml b/Documentation/devicetree/bindings/ata/ahci-platform.yaml
index 7dc2a2e8f598..25dd5ffaa517 100644
--- a/Documentation/devicetree/bindings/ata/ahci-platform.yaml
+++ b/Documentation/devicetree/bindings/ata/ahci-platform.yaml
@@ -45,6 +45,9 @@ properties:
               - marvell,armada-8k-ahci
               - marvell,berlin2-ahci
               - marvell,berlin2q-ahci
+              - socionext,uniphier-pro4-ahci
+              - socionext,uniphier-pxs2-ahci
+              - socionext,uniphier-pxs3-ahci
           - const: generic-ahci
       - enum:
           - cavium,octeon-7130-ahci
@@ -76,6 +79,20 @@ properties:
   resets:
     maxItems: 1
 
+if:
+  properties:
+    compatible:
+      contains:
+        enum:
+          - socionext,uniphier-pro4-ahci
+          - socionext,uniphier-pxs2-ahci
+          - socionext,uniphier-pxs3-ahci
+then:
+  properties:
+    resets:
+      minItems: 1
+      maxItems: 3
+
 patternProperties:
   "^sata-port@[0-9a-f]+$":
     $ref: /schemas/ata/ahci-common.yaml#/$defs/ahci-port
-- 
2.25.1