linux-kernel - [PATCH v2 7/8] dt-bindings: phy: uniphier-ahci: Add bindings for Pro4 SoC

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Date:   Wed, 20 Oct 2021 08:58:07 +0900
From:   Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
To:     Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...com>,
        Rob Herring <robh+dt@...nel.org>,
        Masami Hiramatsu <mhiramat@...nel.org>
Cc:     linux-phy@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
Subject: [PATCH v2 7/8] dt-bindings: phy: uniphier-ahci: Add bindings for Pro4 SoC

Update AHCI-PHY binding document for UniPhier Pro4 SoC. Add a compatible
string, clock and reset lines for the SoC to the document.

Pro4 AHCI-PHY needs to control additional GIO clock line and reset lines
("pm", "tx", and "rx").

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
---
 .../bindings/phy/socionext,uniphier-ahci-phy.yaml    | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

diff --git a/Documentation/devicetree/bindings/phy/socionext,uniphier-ahci-phy.yaml b/Documentation/devicetree/bindings/phy/socionext,uniphier-ahci-phy.yaml
index 745c525ce6b9..67415f7ebe8c 100644
--- a/Documentation/devicetree/bindings/phy/socionext,uniphier-ahci-phy.yaml
+++ b/Documentation/devicetree/bindings/phy/socionext,uniphier-ahci-phy.yaml
@@ -16,6 +16,7 @@ maintainers:
 properties:
   compatible:
     enum:
+      - socionext,uniphier-pro4-ahci-phy
       - socionext,uniphier-pxs2-ahci-phy
       - socionext,uniphier-pxs3-ahci-phy
 
@@ -30,6 +31,9 @@ properties:
 
   clock-names:
     oneOf:
+      - items:          # for Pro4
+          - const: gio
+          - const: link
       - items:          # for PXs2
           - const: link
       - items:          # for others
@@ -37,12 +41,20 @@ properties:
           - const: phy
 
   resets:
-    maxItems: 2
+    minItems: 2
+    maxItems: 5
 
   reset-names:
-    items:
-      - const: link
-      - const: phy
+    oneOf:
+      - items:          # for Pro4
+          - const: gio
+          - const: link
+          - const: pm
+          - const: tx
+          - const: rx
+      - items:          # for others
+          - const: link
+          - const: phy
 
 required:
   - compatible
-- 
2.7.4