diff mbox series

[V2] dt-bindings: reset: convert the xlnx,zynqmp-reset.txt to yaml

Message ID 20230609110447.151235-1-piyush.mehta@amd.com
State Superseded
Headers show
Series [V2] dt-bindings: reset: convert the xlnx,zynqmp-reset.txt to yaml | expand

Commit Message

Mehta, Piyush June 9, 2023, 11:04 a.m. UTC
Convert the binding to DT schema format. It also updates the
reset-controller description.

Signed-off-by: Piyush Mehta <piyush.mehta@amd.com>
---
- Addressed the Krzysztof review comment:
 - Update DT binding to fix the dt_binding_check warning.

Link: https://lore.kernel.org/lkml/168612336438.2153757.6000360498539992409.robh@kernel.org/T/#m4abfe6287177d5fd09f781d298dd19d56aae5e27 
---
 .../bindings/reset/xlnx,zynqmp-reset.txt      | 55 ----------------
 .../bindings/reset/xlnx,zynqmp-reset.yaml     | 64 +++++++++++++++++++
 2 files changed, 64 insertions(+), 55 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/reset/xlnx,zynqmp-reset.txt
 create mode 100644 Documentation/devicetree/bindings/reset/xlnx,zynqmp-reset.yaml

Comments

Krzysztof Kozlowski June 9, 2023, 3:38 p.m. UTC | #1
On 09/06/2023 13:04, Piyush Mehta wrote:
> Convert the binding to DT schema format. It also updates the
> reset-controller description.
> 
> Signed-off-by: Piyush Mehta <piyush.mehta@amd.com>
> ---
> - Addressed the Krzysztof review comment:
>  - Update DT binding to fix the dt_binding_check warning.
> 

...

> diff --git a/Documentation/devicetree/bindings/reset/xlnx,zynqmp-reset.yaml b/Documentation/devicetree/bindings/reset/xlnx,zynqmp-reset.yaml
> new file mode 100644
> index 000000000000..a39b17599e05
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/reset/xlnx,zynqmp-reset.yaml
> @@ -0,0 +1,64 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/reset/xlnx,zynqmp-reset.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Zynq UltraScale+ MPSoC and Versal reset binding

Drop "binding"

> +
> +maintainers:
> +  - Piyush Mehta <piyush.mehta@amd.com>
> +
> +description: |
> +  The Zynq UltraScale+ MPSoC and Versal has several different resets.
> +
> +  The PS reset subsystem is responsible for handling the external reset
> +  input to the device and that all internal reset requirements are met
> +  for the system (as a whole) and for the functional units.
> +
> +  Please also refer to reset.txt in this directory for common reset
> +  controller binding usage. Device nodes that need access to reset
> +  lines should specify them as a reset phandle in their corresponding
> +  node as specified in reset.txt.
> +
> +  For list of all valid reset indices for Zynq UltraScale+ MPSoC
> +  <dt-bindings/reset/xlnx-zynqmp-resets.h>
> +
> +  For list of all valid reset indices for Versal
> +  <dt-bindings/reset/xlnx-versal-resets.h>
> +
> +properties:
> +  compatible:
> +    enum:
> +      - xlnx,zynqmp-reset
> +      - xlnx,versal-reset
> +
> +  "#reset-cells":
> +    const: 1
> +
> +required:
> +  - compatible
> +  - "#reset-cells"
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/reset/xlnx-zynqmp-resets.h>

Drop, won't be needed after removing unrelated parts.

> +
> +    firmware {

Drop

> +        zynqmp_firmware: zynqmp-firmware {

Drop, three level of indentations for that simple reset-controller...

> +            zynqmp_reset: reset-controller {
> +                compatible = "xlnx,zynqmp-reset";
> +                #reset-cells = <1>;
> +            };
> +        };
> +    };
> +
> +    /* Specifying sata reset control of devices */
> +    sata {
> +        resets = <&zynqmp_reset ZYNQMP_RESET_SATA>;
> +        reset-names = "sata_rst";
> +    };

Drop this - not related.
> +
> +...

Best regards,
Krzysztof
Krzysztof Kozlowski June 9, 2023, 3:40 p.m. UTC | #2
On 09/06/2023 13:04, Piyush Mehta wrote:
> Convert the binding to DT schema format. It also updates the
> reset-controller description.
> 
> Signed-off-by: Piyush Mehta <piyush.mehta@amd.com>
> ---
> - Addressed the Krzysztof review comment:
>  - Update DT binding to fix the dt_binding_check warning.
> 
> Link: https://lore.kernel.org/lkml/168612336438.2153757.6000360498539992409.robh@kernel.org/T/#m4abfe6287177d5fd09f781d298dd19d56aae5e27 
> ---
>  .../bindings/reset/xlnx,zynqmp-reset.txt      | 55 ----------------
>  .../bindings/reset/xlnx,zynqmp-reset.yaml     | 64 +++++++++++++++++++

You forgot to update xlnx,zynqmp-firmware.yaml. It was wrong from the
beginning, but now you can fix it in this commit.

Best regards,
Krzysztof
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/reset/xlnx,zynqmp-reset.txt b/Documentation/devicetree/bindings/reset/xlnx,zynqmp-reset.txt
deleted file mode 100644
index ed836868dbf1..000000000000
--- a/Documentation/devicetree/bindings/reset/xlnx,zynqmp-reset.txt
+++ /dev/null
@@ -1,55 +0,0 @@ 
---------------------------------------------------------------------------
- =  Zynq UltraScale+ MPSoC and Versal reset driver binding =
---------------------------------------------------------------------------
-The Zynq UltraScale+ MPSoC and Versal has several different resets.
-
-See Chapter 36 of the Zynq UltraScale+ MPSoC TRM (UG) for more information
-about zynqmp resets.
-
-Please also refer to reset.txt in this directory for common reset
-controller binding usage.
-
-Required Properties:
-- compatible:	"xlnx,zynqmp-reset" for Zynq UltraScale+ MPSoC platform
-		"xlnx,versal-reset" for Versal platform
-- #reset-cells:	Specifies the number of cells needed to encode reset
-		line, should be 1
-
--------
-Example
--------
-
-firmware {
-	zynqmp_firmware: zynqmp-firmware {
-		compatible = "xlnx,zynqmp-firmware";
-		method = "smc";
-
-		zynqmp_reset: reset-controller {
-			compatible = "xlnx,zynqmp-reset";
-			#reset-cells = <1>;
-		};
-	};
-};
-
-Specifying reset lines connected to IP modules
-==============================================
-
-Device nodes that need access to reset lines should
-specify them as a reset phandle in their corresponding node as
-specified in reset.txt.
-
-For list of all valid reset indices for Zynq UltraScale+ MPSoC see
-<dt-bindings/reset/xlnx-zynqmp-resets.h>
-For list of all valid reset indices for Versal see
-<dt-bindings/reset/xlnx-versal-resets.h>
-
-Example:
-
-serdes: zynqmp_phy@fd400000 {
-	...
-
-	resets = <&zynqmp_reset ZYNQMP_RESET_SATA>;
-	reset-names = "sata_rst";
-
-	...
-};
diff --git a/Documentation/devicetree/bindings/reset/xlnx,zynqmp-reset.yaml b/Documentation/devicetree/bindings/reset/xlnx,zynqmp-reset.yaml
new file mode 100644
index 000000000000..a39b17599e05
--- /dev/null
+++ b/Documentation/devicetree/bindings/reset/xlnx,zynqmp-reset.yaml
@@ -0,0 +1,64 @@ 
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/reset/xlnx,zynqmp-reset.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Zynq UltraScale+ MPSoC and Versal reset binding
+
+maintainers:
+  - Piyush Mehta <piyush.mehta@amd.com>
+
+description: |
+  The Zynq UltraScale+ MPSoC and Versal has several different resets.
+
+  The PS reset subsystem is responsible for handling the external reset
+  input to the device and that all internal reset requirements are met
+  for the system (as a whole) and for the functional units.
+
+  Please also refer to reset.txt in this directory for common reset
+  controller binding usage. Device nodes that need access to reset
+  lines should specify them as a reset phandle in their corresponding
+  node as specified in reset.txt.
+
+  For list of all valid reset indices for Zynq UltraScale+ MPSoC
+  <dt-bindings/reset/xlnx-zynqmp-resets.h>
+
+  For list of all valid reset indices for Versal
+  <dt-bindings/reset/xlnx-versal-resets.h>
+
+properties:
+  compatible:
+    enum:
+      - xlnx,zynqmp-reset
+      - xlnx,versal-reset
+
+  "#reset-cells":
+    const: 1
+
+required:
+  - compatible
+  - "#reset-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/reset/xlnx-zynqmp-resets.h>
+
+    firmware {
+        zynqmp_firmware: zynqmp-firmware {
+            zynqmp_reset: reset-controller {
+                compatible = "xlnx,zynqmp-reset";
+                #reset-cells = <1>;
+            };
+        };
+    };
+
+    /* Specifying sata reset control of devices */
+    sata {
+        resets = <&zynqmp_reset ZYNQMP_RESET_SATA>;
+        reset-names = "sata_rst";
+    };
+
+...