linux-kernel - [PATCH] dt-bindings: display: Convert etnaviv to json-schema

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Message-ID: <20200127145223.8283-1-benjamin.gaignard@st.com>
Date:   Mon, 27 Jan 2020 15:52:23 +0100
From:   Benjamin Gaignard <benjamin.gaignard@...com>
To:     <l.stach@...gutronix.de>, <linux+etnaviv@...linux.org.uk>,
        <christian.gmeiner@...il.com>, <airlied@...ux.ie>,
        <daniel@...ll.ch>, <robh+dt@...nel.org>, <mark.rutland@....com>
CC:     <etnaviv@...ts.freedesktop.org>, <dri-devel@...ts.freedesktop.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <philippe.cornu@...com>, <pierre-yves.mordret@...com>,
        Benjamin Gaignard <benjamin.gaignard@...com>
Subject: [PATCH] dt-bindings: display: Convert etnaviv to json-schema

Convert etnaviv bindings to yaml format.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...com>
---
 .../bindings/display/etnaviv/etnaviv-drm.txt       | 36 -----------
 .../bindings/display/etnaviv/etnaviv-drm.yaml      | 72 ++++++++++++++++++++++
 2 files changed, 72 insertions(+), 36 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/display/etnaviv/etnaviv-drm.txt
 create mode 100644 Documentation/devicetree/bindings/display/etnaviv/etnaviv-drm.yaml

diff --git a/Documentation/devicetree/bindings/display/etnaviv/etnaviv-drm.txt b/Documentation/devicetree/bindings/display/etnaviv/etnaviv-drm.txt
deleted file mode 100644
index 8def11b16a24..000000000000
--- a/Documentation/devicetree/bindings/display/etnaviv/etnaviv-drm.txt
+++ /dev/null
@@ -1,36 +0,0 @@
-Vivante GPU core devices
-========================
-
-Required properties:
-- compatible: Should be "vivante,gc"
-  A more specific compatible is not needed, as the cores contain chip
-  identification registers at fixed locations, which provide all the
-  necessary information to the driver.
-- reg: should be register base and length as documented in the
-  datasheet
-- interrupts: Should contain the cores interrupt line
-- clocks: should contain one clock for entry in clock-names
-  see Documentation/devicetree/bindings/clock/clock-bindings.txt
-- clock-names:
-   - "bus":    AXI/master interface clock
-   - "reg":    AHB/slave interface clock
-               (only required if GPU can gate slave interface independently)
-   - "core":   GPU core clock
-   - "shader": Shader clock (only required if GPU has feature PIPE_3D)
-
-Optional properties:
-- power-domains: a power domain consumer specifier according to
-  Documentation/devicetree/bindings/power/power_domain.txt
-
-example:
-
-gpu_3d: gpu@...000 {
-	compatible = "vivante,gc";
-	reg = <0x00130000 0x4000>;
-	interrupts = <0 9 IRQ_TYPE_LEVEL_HIGH>;
-	clocks = <&clks IMX6QDL_CLK_GPU3D_AXI>,
-	         <&clks IMX6QDL_CLK_GPU3D_CORE>,
-	         <&clks IMX6QDL_CLK_GPU3D_SHADER>;
-	clock-names = "bus", "core", "shader";
-	power-domains = <&gpc 1>;
-};
diff --git a/Documentation/devicetree/bindings/display/etnaviv/etnaviv-drm.yaml b/Documentation/devicetree/bindings/display/etnaviv/etnaviv-drm.yaml
new file mode 100644
index 000000000000..5a6c387f168d
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/etnaviv/etnaviv-drm.yaml
@@ -0,0 +1,72 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/etnaviv/etnaviv-drm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Vivante GPU Bindings
+
+description: Vivante GPU core devices
+
+maintainers:
+  -  Lucas Stach <l.stach@...gutronix.de>
+
+properties:
+  compatible:
+    const: vivante,gc
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: AXI/master interface clock
+      - description: GPU core clock
+      - description: Shader clock (only required if GPU has feature PIPE_3D)
+      - description: AHB/slave interface clock (only required if GPU can gate slave interface independently)
+    minItems: 2
+    maxItems: 4
+
+  clock-names:
+    items:
+      - const: bus
+      - const: core
+      - const: shader
+      - const: reg
+    minItems: 2
+    maxItems: 4
+
+  resets:
+    maxItems: 1
+
+  power-domains:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/imx6qdl-clock.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    gpu@...000 {
+      compatible = "vivante,gc";
+      reg = <0x00130000 0x4000>;
+      interrupts = <0 9 IRQ_TYPE_LEVEL_HIGH>;
+      clocks = <&clks IMX6QDL_CLK_GPU3D_AXI>,
+               <&clks IMX6QDL_CLK_GPU3D_CORE>,
+               <&clks IMX6QDL_CLK_GPU3D_SHADER>;
+      clock-names = "bus", "core", "shader";
+      power-domains = <&gpc 1>;
+    };
+
+...
-- 
2.15.0