2020-07-31 02:13:48

by Anson Huang

Subject: [PATCH] dt-bindings: memory-controllers: Convert mmdc to json-schema

Convert the MMDC memory controller binding to DT schema format using
json-schema.

Signed-off-by: Anson Huang <[email protected]>
---
.../bindings/memory-controllers/fsl/mmdc.txt | 35 ----------------
.../bindings/memory-controllers/fsl/mmdc.yaml | 49 ++++++++++++++++++++++
2 files changed, 49 insertions(+), 35 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/memory-controllers/fsl/mmdc.txt
create mode 100644 Documentation/devicetree/bindings/memory-controllers/fsl/mmdc.yaml

diff --git a/Documentation/devicetree/bindings/memory-controllers/fsl/mmdc.txt b/Documentation/devicetree/bindings/memory-controllers/fsl/mmdc.txt
deleted file mode 100644
index bcc36c5..0000000
--- a/Documentation/devicetree/bindings/memory-controllers/fsl/mmdc.txt
+++ /dev/null
@@ -1,35 +0,0 @@
-Freescale Multi Mode DDR controller (MMDC)
-
-Required properties :
-- compatible : should be one of following:
- for i.MX6Q/i.MX6DL:
- - "fsl,imx6q-mmdc";
- for i.MX6QP:
- - "fsl,imx6qp-mmdc", "fsl,imx6q-mmdc";
- for i.MX6SL:
- - "fsl,imx6sl-mmdc", "fsl,imx6q-mmdc";
- for i.MX6SLL:
- - "fsl,imx6sll-mmdc", "fsl,imx6q-mmdc";
- for i.MX6SX:
- - "fsl,imx6sx-mmdc", "fsl,imx6q-mmdc";
- for i.MX6UL/i.MX6ULL/i.MX6ULZ:
- - "fsl,imx6ul-mmdc", "fsl,imx6q-mmdc";
- for i.MX7ULP:
- - "fsl,imx7ulp-mmdc", "fsl,imx6q-mmdc";
-- reg : address and size of MMDC DDR controller registers
-
-Optional properties :
-- clocks : the clock provided by the SoC to access the MMDC registers
-
-Example :
- mmdc0: memory-controller@21b0000 { /* MMDC0 */
- compatible = "fsl,imx6q-mmdc";
- reg = <0x021b0000 0x4000>;
- clocks = <&clks IMX6QDL_CLK_MMDC_P0_IPG>;
- };
-
- mmdc1: memory-controller@21b4000 { /* MMDC1 */
- compatible = "fsl,imx6q-mmdc";
- reg = <0x021b4000 0x4000>;
- status = "disabled";
- };
diff --git a/Documentation/devicetree/bindings/memory-controllers/fsl/mmdc.yaml b/Documentation/devicetree/bindings/memory-controllers/fsl/mmdc.yaml
new file mode 100644
index 0000000..dee5131
--- /dev/null
+++ b/Documentation/devicetree/bindings/memory-controllers/fsl/mmdc.yaml
@@ -0,0 +1,49 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/memory-controllers/fsl/mmdc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale Multi Mode DDR controller (MMDC)
+
+maintainers:
+ - Anson Huang <[email protected]>
+
+properties:
+ compatible:
+ oneOf:
+ - const: fsl,imx6q-mmdc
+ - items:
+ - enum:
+ - fsl,imx6qp-mmdc
+ - fsl,imx6sl-mmdc
+ - fsl,imx6sll-mmdc
+ - fsl,imx6sx-mmdc
+ - fsl,imx6ul-mmdc
+ - fsl,imx7ulp-mmdc
+ - const: fsl,imx6q-mmdc
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+
+examples:
+ - |
+ #include <dt-bindings/clock/imx6qdl-clock.h>
+
+ memory-controller@21b0000 {
+ compatible = "fsl,imx6q-mmdc";
+ reg = <0x021b0000 0x4000>;
+ clocks = <&clks IMX6QDL_CLK_MMDC_P0_IPG>;
+ };
+
+ memory-controller@21b4000 {
+ compatible = "fsl,imx6q-mmdc";
+ reg = <0x021b4000 0x4000>;
+ };
--
2.7.4

2020-07-31 22:45:48

by Rob Herring (Arm)

Subject: Re: [PATCH] dt-bindings: memory-controllers: Convert mmdc to json-schema

On Fri, 31 Jul 2020 10:06:24 +0800, Anson Huang wrote:
> Convert the MMDC memory controller binding to DT schema format using
> json-schema.
>
> Signed-off-by: Anson Huang <[email protected]>
> ---
> .../bindings/memory-controllers/fsl/mmdc.txt | 35 ----------------
> .../bindings/memory-controllers/fsl/mmdc.yaml | 49 ++++++++++++++++++++++
> 2 files changed, 49 insertions(+), 35 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/memory-controllers/fsl/mmdc.txt
> create mode 100644 Documentation/devicetree/bindings/memory-controllers/fsl/mmdc.yaml
>

Applied, thanks!