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From:   Liu Ying <victor.liu@nxp.com>
To:     dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
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        marcel.ziswiler@toradex.com, laurentiu.palcu@oss.nxp.com,
        Rob Herring <robh@kernel.org>
Subject: [PATCH v10 2/6] dt-bindings: display: imx: Add i.MX8qxp/qm PRG binding
Date:   Thu,  7 Apr 2022 17:11:52 +0800
Message-Id: <20220407091156.1211923-3-victor.liu@nxp.com>
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This patch adds bindings for i.MX8qxp/qm Display Prefetch Resolve Gasket.

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Liu Ying <victor.liu@nxp.com>
---
v9->v10:
* No change.

v8->v9:
* No change.

v7->v8:
* No change.

v6->v7:
* No change.

v5->v6:
* No change.

v4->v5:
* No change.

v3->v4:
* Improve compatible property by using enum instead of oneOf+const. (Rob)
* Add Rob's R-b tag.

v2->v3:
* No change.

v1->v2:
* Use new dt binding way to add clocks in the example.

 .../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

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 000000000000..3ff46e0d4e73
--- /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 <victor.liu@nxp.com>
+
+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:
+    enum:
+      - fsl,imx8qxp-prg
+      - 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-lpcg.h>
+    #include <dt-bindings/firmware/imx/rsrc.h>
+    prg@56040000 {
+        compatible = "fsl,imx8qxp-prg";
+        reg = <0x56040000 0x10000>;
+        clocks = <&dc0_prg0_lpcg IMX_LPCG_CLK_0>,
+                 <&dc0_prg0_lpcg IMX_LPCG_CLK_4>;
+        clock-names = "rtram", "apb";
+        power-domains = <&pd IMX_SC_R_DC_0>;
+    };
-- 
2.25.1