linux-kernel - [PATCH v2 4/5] dt-bindings: phy: mixel: mipi-dsi-phy: Add Mixel combo PHY support for i.MX8qxp

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Date:   Wed,  9 Dec 2020 14:24:27 +0800
From:   Liu Ying <victor.liu@....com>
To:     linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org
Cc:     kishon@...com, vkoul@...nel.org, robh+dt@...nel.org,
        a.hajda@...sung.com, narmstrong@...libre.com,
        Laurent.pinchart@...asonboard.com, jonas@...boo.se,
        jernej.skrabec@...l.net, airlied@...ux.ie, daniel@...ll.ch,
        shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
        festevam@...il.com, linux-imx@....com, agx@...xcpu.org,
        robert.chiras@....com, martin.kepplinger@...i.sm
Subject: [PATCH v2 4/5] dt-bindings: phy: mixel: mipi-dsi-phy: Add Mixel combo PHY support for i.MX8qxp

Add support for Mixel MIPI DPHY + LVDS PHY combo IP
as found on Freescale i.MX8qxp SoC.

Cc: Guido Günther <agx@...xcpu.org>
Cc: Kishon Vijay Abraham I <kishon@...com>
Cc: Vinod Koul <vkoul@...nel.org>
Cc: Rob Herring <robh+dt@...nel.org>
Cc: NXP Linux Team <linux-imx@....com>
Signed-off-by: Liu Ying <victor.liu@....com>
---
v1->v2:
* Add the binding for i.MX8qxp Mixel combo PHY based on the converted binding.
  (Guido)

 .../bindings/phy/mixel,mipi-dsi-phy.yaml           | 41 ++++++++++++++++++++--
 1 file changed, 38 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/phy/mixel,mipi-dsi-phy.yaml b/Documentation/devicetree/bindings/phy/mixel,mipi-dsi-phy.yaml
index f869fd2..07b9849 100644
--- a/Documentation/devicetree/bindings/phy/mixel,mipi-dsi-phy.yaml
+++ b/Documentation/devicetree/bindings/phy/mixel,mipi-dsi-phy.yaml
@@ -14,10 +14,14 @@ description: |
   MIPI-DSI IP from Northwest Logic). It represents the physical layer for the
   electrical signals for DSI.
 
+  The Mixel PHY IP block found on i.MX8qxp is a combo PHY that can work
+  in either MIPI-DSI PHY mode or LVDS PHY mode.
+
 properties:
   compatible:
     enum:
       - fsl,imx8mq-mipi-dphy
+      - fsl,imx8qxp-mipi-dphy
 
   reg:
     maxItems: 1
@@ -41,6 +45,11 @@ properties:
   "#phy-cells":
     const: 0
 
+  fsl,syscon:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description: |
+      A phandle which points to Control and Status Registers(CSR) module.
+
   power-domains:
     maxItems: 1
 
@@ -49,12 +58,38 @@ required:
   - reg
   - clocks
   - clock-names
-  - assigned-clocks
-  - assigned-clock-parents
-  - assigned-clock-rates
   - "#phy-cells"
   - power-domains
 
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: fsl,imx8mq-mipi-dphy
+    then:
+      properties:
+        fsl,syscon: false
+
+      required:
+        - assigned-clocks
+        - assigned-clock-parents
+        - assigned-clock-rates
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: fsl,imx8qxp-mipi-dphy
+    then:
+      properties:
+        assigned-clocks: false
+        assigned-clock-parents: false
+        assigned-clock-rates: false
+
+      required:
+        - fsl,syscon
+
 additionalProperties: false
 
 examples:
-- 
2.7.4