linux-kernel - [PATCH v2 2/8] dt-bindings: phy: Add rk3576 hdptx phy

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Message-ID: <20241228122155.646957-3-andyshrk@163.com>
Date: Sat, 28 Dec 2024 20:21:45 +0800
From: Andy Yan <andyshrk@....com>
To: heiko@...ech.de,
	krzk+dt@...nel.org,
	joro@...tes.org
Cc: cl@...k-chips.com,
	robh@...nel.org,
	hjc@...k-chips.com,
	vkoul@...nel.org,
	devicetree@...r.kernel.org,
	detlev.casanova@...labora.com,
	cristian.ciocaltea@...labora.com,
	dri-devel@...ts.freedesktop.org,
	iommu@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	linux-phy@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org,
	Andy Yan <andy.yan@...k-chips.com>
Subject: [PATCH v2 2/8] dt-bindings: phy: Add rk3576 hdptx phy

From: Andy Yan <andy.yan@...k-chips.com>

Add compatible for the HDPTX PHY on rk3576, which is compatible with
rk3588, but without rst_phy/rst_ropll/rst_lcpll.

In fact, these three reset lines are also optional on the rk3588,
they just used for debug, then they were removed on the rk3576 IC
design.

Signed-off-by: Andy Yan <andy.yan@...k-chips.com>

---

Changes in v2:
- Wrap commit message according to Linux coding style
- Make "rockchip,rk3588-hdptx-phy" const for "rockchip,rk3576-hdptx-phy"
- Make declare phy/ropll/lcpll reset line are not exit on rk3576

 .../phy/rockchip,rk3588-hdptx-phy.yaml        | 62 +++++++++++++------
 1 file changed, 44 insertions(+), 18 deletions(-)

diff --git a/Documentation/devicetree/bindings/phy/rockchip,rk3588-hdptx-phy.yaml b/Documentation/devicetree/bindings/phy/rockchip,rk3588-hdptx-phy.yaml
index 84fe59dbcf48..7a307f45cdec 100644
--- a/Documentation/devicetree/bindings/phy/rockchip,rk3588-hdptx-phy.yaml
+++ b/Documentation/devicetree/bindings/phy/rockchip,rk3588-hdptx-phy.yaml
@@ -11,8 +11,13 @@ maintainers:
 
 properties:
   compatible:
-    enum:
-      - rockchip,rk3588-hdptx-phy
+    oneOf:
+      - enum:
+          - rockchip,rk3588-hdptx-phy
+      - items:
+          - enum:
+              - rockchip,rk3576-hdptx-phy
+          - const: rockchip,rk3588-hdptx-phy
 
   reg:
     maxItems: 1
@@ -34,24 +39,12 @@ properties:
     const: 0
 
   resets:
-    items:
-      - description: PHY reset line
-      - description: APB reset line
-      - description: INIT reset line
-      - description: CMN reset line
-      - description: LANE reset line
-      - description: ROPLL reset line
-      - description: LCPLL reset line
+    minItems: 4
+    maxItems: 7
 
   reset-names:
-    items:
-      - const: phy
-      - const: apb
-      - const: init
-      - const: cmn
-      - const: lane
-      - const: ropll
-      - const: lcpll
+    minItems: 4
+    maxItems: 7
 
   rockchip,grf:
     $ref: /schemas/types.yaml#/definitions/phandle
@@ -67,6 +60,39 @@ required:
   - reset-names
   - rockchip,grf
 
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - rockchip,rk3576-hdptx-phy
+    then:
+      properties:
+        resets:
+          minItems: 4
+          maxItems: 4
+        reset-names:
+          items:
+            - const: apb
+            - const: init
+            - const: cmn
+            - const: lane
+    else:
+      properties:
+        resets:
+          minItems: 7
+          maxItems: 7
+        reset-names:
+          items:
+            - const: phy
+            - const: apb
+            - const: init
+            - const: cmn
+            - const: lane
+            - const: ropll
+            - const: lcpll
+
 additionalProperties: false
 
 examples:
-- 
2.34.1