[PATCH v2.1 02/17] dt-bindings: media: fsl-pxp: convert to yaml

[Michael Tretter]

Convert the bindings of the Freescale Pixel Pipeline to YAML.

The conversion drops the previously listed compatibles for several SoCs.
It is unclear, if the PXP on these SoCs is compatible to any of the PXPs
on the existing SoCs and would allow to reuse the already defined
compatibles. The missing compatibles should be brought back when the
support for the PXP on these SoCs is added.

Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
Reviewed-by: Philipp Zabel <p.zabel at pengutronix.de>
Signed-off-by: Michael Tretter <m.tretter at pengutronix.de>
---
Changelog:

v2:

- add fsl,imx6sll-pxp and fsl,imx6sx-pxp compatibles
- restrict number of interrupts per variant
- cleanup syntax

v2.1:

- use enum for compatibles
- add power-domains property
- fix syntax for specifying the required number of interrupts
- fix number of interrupts for fsl,imx6ul-pxp
---
 .../bindings/media/fsl,imx6ull-pxp.yaml       | 88 +++++++++++++++++++
 .../devicetree/bindings/media/fsl-pxp.txt     | 26 ------
 2 files changed, 88 insertions(+), 26 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/media/fsl,imx6ull-pxp.yaml
 delete mode 100644 Documentation/devicetree/bindings/media/fsl-pxp.txt

diff --git a/Documentation/devicetree/bindings/media/fsl,imx6ull-pxp.yaml b/Documentation/devicetree/bindings/media/fsl,imx6ull-pxp.yaml
new file mode 100644
index 000000000000..84a5e894ace4
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/fsl,imx6ull-pxp.yaml
@@ -0,0 +1,88 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/fsl,imx6ull-pxp.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale Pixel Pipeline
+
+maintainers:
+  - Philipp Zabel <p.zabel at pengutronix.de>
+  - Michael Tretter <m.tretter at pengutronix.de>
+
+description:
+  The Pixel Pipeline (PXP) is a memory-to-memory graphics processing engine
+  that supports scaling, colorspace conversion, alpha blending, rotation, and
+  pixel conversion via lookup table. Different versions are present on various
+  i.MX SoCs from i.MX23 to i.MX7.
+
+properties:
+  compatible:
+    oneOf:
+      - enum:
+          - fsl,imx6ul-pxp
+          - fsl,imx6ull-pxp
+          - fsl,imx7d-pxp
+      - items:
+          - enum:
+              - fsl,imx6sll-pxp
+              - fsl,imx6sx-pxp
+          - const: fsl,imx6ull-pxp
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    minItems: 1
+    maxItems: 2
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    const: axi
+
+  power-domains:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - fsl,imx6sx-pxp
+              - fsl,imx6ul-pxp
+    then:
+      properties:
+        interrupts:
+          maxItems: 1
+    else:
+      properties:
+        interrupts:
+          minItems: 2
+          maxItems: 2
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/imx6ul-clock.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    pxp: pxp at 21cc000 {
+        compatible = "fsl,imx6ull-pxp";
+        reg = <0x021cc000 0x4000>;
+        interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>;
+        clock-names = "axi";
+        clocks = <&clks IMX6UL_CLK_PXP>;
+    };
diff --git a/Documentation/devicetree/bindings/media/fsl-pxp.txt b/Documentation/devicetree/bindings/media/fsl-pxp.txt
deleted file mode 100644
index f8090e06530d..000000000000
--- a/Documentation/devicetree/bindings/media/fsl-pxp.txt
+++ /dev/null
@@ -1,26 +0,0 @@
-Freescale Pixel Pipeline
-========================
-
-The Pixel Pipeline (PXP) is a memory-to-memory graphics processing engine
-that supports scaling, colorspace conversion, alpha blending, rotation, and
-pixel conversion via lookup table. Different versions are present on various
-i.MX SoCs from i.MX23 to i.MX7.
-
-Required properties:
-- compatible: should be "fsl,<soc>-pxp", where SoC can be one of imx23, imx28,
-  imx6dl, imx6sl, imx6sll, imx6ul, imx6sx, imx6ull, or imx7d.
-- reg: the register base and size for the device registers
-- interrupts: the PXP interrupt, two interrupts for imx6ull and imx7d.
-- clock-names: should be "axi"
-- clocks: the PXP AXI clock
-
-Example:
-
-pxp at 21cc000 {
-	compatible = "fsl,imx6ull-pxp";
-	reg = <0x021cc000 0x4000>;
-	interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>,
-		     <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>;
-	clock-names = "axi";
-	clocks = <&clks IMX6UL_CLK_PXP>;
-};
-- 
2.30.2