[PATCH v5 4/5] dt-bindings: phy: mixel: mipi-dsi-phy: Add Mixel combo PHY support for i.MX8qxp

From: Liu Ying
Date: Thu Mar 25 2021 - 05:16:15 EST


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

Cc: Guido Günther <agx@xxxxxxxxxxx>
Cc: Kishon Vijay Abraham I <kishon@xxxxxx>
Cc: Vinod Koul <vkoul@xxxxxxxxxx>
Cc: Rob Herring <robh+dt@xxxxxxxxxx>
Cc: NXP Linux Team <linux-imx@xxxxxxx>
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
Reviewed-by: Guido Günther <agx@xxxxxxxxxxx>
Signed-off-by: Liu Ying <victor.liu@xxxxxxx>
---
v4->v5:
* No change.

v3->v4:
* Add Rob's and Guido's R-b tags.

v2->v3:
* No change.

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 c34f2e6..786cfd7 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
@@ -40,6 +44,11 @@ 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

@@ -48,12 +57,38 @@ 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