[v3] Add support for imx8ulp's SIM

[PATCH v3 1/3] dt-bindings: reset: add schema for imx8ulp SIM reset

Posted by Laurentiu Mihalcea 1 year, 6 months ago

From: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>

Add schema for imx8ulp's SIM reset controller.

Signed-off-by: Liu Ying <victor.liu@nxp.com>
Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
---
 .../reset/nxp,imx8ulp-avd-sim-reset.yaml      | 59 +++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/reset/nxp,imx8ulp-avd-sim-reset.yaml

diff --git a/Documentation/devicetree/bindings/reset/nxp,imx8ulp-avd-sim-reset.yaml b/Documentation/devicetree/bindings/reset/nxp,imx8ulp-avd-sim-reset.yaml
new file mode 100644
index 000000000000..ae03c5750fa7
--- /dev/null
+++ b/Documentation/devicetree/bindings/reset/nxp,imx8ulp-avd-sim-reset.yaml
@@ -0,0 +1,59 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/reset/nxp,imx8ulp-avd-sim-reset.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP i.MX8ULP System Integration Module Reset Controller
+
+maintainers:
+  - Liu Ying <victor.liu@nxp.com>
+
+description: >
+  Some instances of i.MX8ULP's SIM may offer control
+  over the reset of some components of a certain domain
+  (e.g: AVD-SIM).
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - nxp,imx8ulp-avd-sim-reset
+      - const: syscon
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  '#reset-cells':
+    const: 1
+
+  mux-controller:
+    $ref: /schemas/mux/reg-mux.yaml#
+
+required:
+  - compatible
+  - reg
+  - '#reset-cells'
+  - mux-controller
+  - clocks
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/imx8ulp-clock.h>
+    syscon@2da50000 {
+      compatible = "nxp,imx8ulp-avd-sim-reset", "syscon";
+      reg = <0x2da50000 0x38>;
+      clocks = <&pcc5 IMX8ULP_CLK_AVD_SIM>;
+      #reset-cells = <1>;
+
+      mux-controller {
+        compatible = "mmio-mux";
+        #mux-control-cells = <1>;
+        mux-reg-masks = <0x8 0x00000200>;
+      };
+    };
-- 
2.34.1

Re: [PATCH v3 1/3] dt-bindings: reset: add schema for imx8ulp SIM reset

Posted by Rob Herring 1 year, 6 months ago

On Mon, Jul 15, 2024 at 12:45:12PM -0400, Laurentiu Mihalcea wrote:
> From: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
> 
> Add schema for imx8ulp's SIM reset controller.
> 
> Signed-off-by: Liu Ying <victor.liu@nxp.com>
> Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
> ---
>  .../reset/nxp,imx8ulp-avd-sim-reset.yaml      | 59 +++++++++++++++++++
>  1 file changed, 59 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/reset/nxp,imx8ulp-avd-sim-reset.yaml
> 
> diff --git a/Documentation/devicetree/bindings/reset/nxp,imx8ulp-avd-sim-reset.yaml b/Documentation/devicetree/bindings/reset/nxp,imx8ulp-avd-sim-reset.yaml
> new file mode 100644
> index 000000000000..ae03c5750fa7
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/reset/nxp,imx8ulp-avd-sim-reset.yaml
> @@ -0,0 +1,59 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/reset/nxp,imx8ulp-avd-sim-reset.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: NXP i.MX8ULP System Integration Module Reset Controller
> +
> +maintainers:
> +  - Liu Ying <victor.liu@nxp.com>
> +
> +description: >

Don't need '>'.

> +  Some instances of i.MX8ULP's SIM may offer control
> +  over the reset of some components of a certain domain
> +  (e.g: AVD-SIM).

Wrap lines at 80 char.

> +
> +properties:
> +  compatible:
> +    items:
> +      - enum:
> +          - nxp,imx8ulp-avd-sim-reset
> +      - const: syscon
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +  '#reset-cells':
> +    const: 1
> +
> +  mux-controller:
> +    $ref: /schemas/mux/reg-mux.yaml#
> +
> +required:
> +  - compatible
> +  - reg
> +  - '#reset-cells'
> +  - mux-controller
> +  - clocks
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/clock/imx8ulp-clock.h>
> +    syscon@2da50000 {
> +      compatible = "nxp,imx8ulp-avd-sim-reset", "syscon";
> +      reg = <0x2da50000 0x38>;
> +      clocks = <&pcc5 IMX8ULP_CLK_AVD_SIM>;
> +      #reset-cells = <1>;
> +
> +      mux-controller {
> +        compatible = "mmio-mux";
> +        #mux-control-cells = <1>;
> +        mux-reg-masks = <0x8 0x00000200>;
> +      };
> +    };
> -- 
> 2.34.1
>

Re: [PATCH v3 1/3] dt-bindings: reset: add schema for imx8ulp SIM reset

Posted by Krzysztof Kozlowski 1 year, 6 months ago

On 15/07/2024 18:45, Laurentiu Mihalcea wrote:
> From: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
> 
> Add schema for imx8ulp's SIM reset controller.
> 
> Signed-off-by: Liu Ying <victor.liu@nxp.com>
> Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>

...

> +  clocks:
> +    maxItems: 1
> +
> +  '#reset-cells':
> +    const: 1
> +
> +  mux-controller:
> +    $ref: /schemas/mux/reg-mux.yaml#
> +
> +required:
> +  - compatible
> +  - reg
> +  - '#reset-cells'
> +  - mux-controller
> +  - clocks

List here should have the same order as list of properties.


Best regards,
Krzysztof