[2/8] dt-bindings: display: imx: Add i.MX8qxp/qm PRG binding

Commit Message

Liu Ying Nov. 19, 2020, 9:22 a.m. UTC

This patch adds bindings for i.MX8qxp/qm Display Prefetch Resolve Gasket.

Signed-off-by: Liu Ying <[e-mail]>
---
 .../bindings/display/imx/fsl,imx8qxp-prg.yaml      | 60 ++++++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-prg.yaml

Comments

Rob Herring (Arm) Nov. 19, 2020, 3:48 p.m. UTC | #1

On Thu, 19 Nov 2020 17:22:19 +0800, Liu Ying wrote:
> This patch adds bindings for i.MX8qxp/qm Display Prefetch Resolve Gasket.
> 
> Signed-off-by: Liu Ying <[e-mail]>
> ---
>  .../bindings/display/imx/fsl,imx8qxp-prg.yaml      | 60 ++++++++++++++++++++++
>  1 file changed, 60 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-prg.yaml
> 


My bot found errors running 'make dt_binding_check' on your patch:

yamllint warnings/errors:

dtschema/dtc warnings/errors:
Error: Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-prg.example.dts:24.33-34 syntax error
FATAL ERROR: Unable to parse input tree
make[1]: *** [scripts/Makefile.lib:342: Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-prg.example.dt.yaml] Error 1
make[1]: *** Waiting for unfinished jobs....
make: *** [Makefile:1364: dt_binding_check] Error 2


See https://patchwork.ozlabs.org/patch/1402851

The base for the patch is generally the last rc1. Any dependencies
should be noted.

If you already ran 'make dt_binding_check' and didn't see the above
error(s), then make sure 'yamllint' is installed and dt-schema is up to
date:

pip3 install dtschema --upgrade

Please check and re-submit.

Patch

diff --git a/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-prg.yaml b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-prg.yaml
new file mode 100644
index 00000000..d043f2e
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-prg.yaml
@@ -0,0 +1,60 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/imx/fsl,imx8qxp-prg.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale i.MX8qm/qxp Display Prefetch Resolve Gasket
+
+maintainers:
+  - Liu Ying <[e-mail]>
+
+description: |
+  The i.MX8qm/qxp Prefetch Resolve Gasket (PRG) is a gasket interface between
+  RTRAM controller and Display Controller.  The main function is to convert
+  the AXI interface to the RTRAM interface, which includes re-mapping the
+  ARADDR to a RTRAM address.
+
+properties:
+  compatible:
+    oneOf:
+      - const: fsl,imx8qxp-prg
+      - const: fsl,imx8qm-prg
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: rtram clock
+      - description: apb clock
+
+  clock-names:
+    items:
+      - const: rtram
+      - const: apb
+
+  power-domains:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - power-domains
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/imx8-clock.h>
+    #include <dt-bindings/firmware/imx/rsrc.h>
+    prg@56040000 {
+        compatible = "fsl,imx8qxp-prg";
+        reg = <0x56040000 0x10000>;
+        clocks = <&dc0_lpcg IMX_DC0_LPCG_PRG0_RTRAM_CLK>,
+                 <&dc0_lpcg IMX_DC0_LPCG_PRG0_APB_CLK>;
+        clock-names = "rtram", "apb";
+        power-domains = <&pd IMX_SC_R_DC_0>;
+    };