[v3,09/17] dt-bindings: soc: socionext: Add UniPhier system controller

Message ID 20221213082449.2721-10-hayashi.kunihiko@socionext.com
State New
Headers
Series dt-bindings: soc: Introduce UniPhier miscellaneous register blocks and fix examples |

Commit Message

Kunihiko Hayashi Dec. 13, 2022, 8:24 a.m. UTC
  Add devicetree binding schema for the system controller implemented on
Socionext Uniphier SoCs.

This system controller has multiple functions such as clock control,
reset control, internal watchdog timer, thermal management, and so on.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
---
 .../socionext/socionext,uniphier-sysctrl.yaml | 104 ++++++++++++++++++
 MAINTAINERS                                   |   1 +
 2 files changed, 105 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/soc/socionext/socionext,uniphier-sysctrl.yaml
  

Comments

Krzysztof Kozlowski Dec. 14, 2022, 12:07 p.m. UTC | #1
On 13/12/2022 09:24, Kunihiko Hayashi wrote:
> Add devicetree binding schema for the system controller implemented on
> Socionext Uniphier SoCs.
> 
> This system controller has multiple functions such as clock control,
> reset control, internal watchdog timer, thermal management, and so on.
> 
> Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
> ---

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Best regards,
Krzysztof
  

Patch

diff --git a/Documentation/devicetree/bindings/soc/socionext/socionext,uniphier-sysctrl.yaml b/Documentation/devicetree/bindings/soc/socionext/socionext,uniphier-sysctrl.yaml
new file mode 100644
index 000000000000..3acb14201d1a
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/socionext/socionext,uniphier-sysctrl.yaml
@@ -0,0 +1,104 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/socionext/socionext,uniphier-sysctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Socionext UniPhier system controller
+
+maintainers:
+  - Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
+
+description: |+
+  System controller implemented on Socionext UniPhier SoCs has multiple
+  functions such as clock control, reset control, internal watchdog timer,
+  thermal management, and so on.
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - socionext,uniphier-ld4-sysctrl
+          - socionext,uniphier-pro4-sysctrl
+          - socionext,uniphier-pro5-sysctrl
+          - socionext,uniphier-pxs2-sysctrl
+          - socionext,uniphier-sld8-sysctrl
+          - socionext,uniphier-ld11-sysctrl
+          - socionext,uniphier-ld20-sysctrl
+          - socionext,uniphier-pxs3-sysctrl
+          - socionext,uniphier-nx1-sysctrl
+      - const: simple-mfd
+      - const: syscon
+
+  reg:
+    maxItems: 1
+
+  clock-controller:
+    $ref: /schemas/clock/socionext,uniphier-clock.yaml#
+
+  reset-controller:
+    $ref: /schemas/reset/socionext,uniphier-reset.yaml#
+
+  watchdog:
+    $ref: /schemas/watchdog/socionext,uniphier-wdt.yaml#
+
+  thermal-sensor:
+    $ref: /schemas/thermal/socionext,uniphier-thermal.yaml#
+
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: socionext,uniphier-ld4-sysctrl
+    then:
+      properties:
+        watchdog: false
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - socionext,uniphier-ld4-sysctrl
+              - socionext,uniphier-pro4-sysctrl
+              - socionext,uniphier-sld8-sysctrl
+              - socionext,uniphier-ld11-sysctrl
+    then:
+      properties:
+        thermal-sensor: false
+
+additionalProperties: false
+
+required:
+  - compatible
+  - reg
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    syscon@61840000 {
+        compatible = "socionext,uniphier-ld20-sysctrl",
+                     "simple-mfd", "syscon";
+        reg = <0x61840000 0x4000>;
+
+        clock-controller {
+            compatible = "socionext,uniphier-ld20-clock";
+            #clock-cells = <1>;
+        };
+
+        reset-controller {
+            compatible = "socionext,uniphier-ld20-reset";
+            #reset-cells = <1>;
+        };
+
+        watchdog {
+            compatible = "socionext,uniphier-wdt";
+        };
+
+        thermal-sensor {
+            compatible = "socionext,uniphier-ld20-thermal";
+            interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>;
+            #thermal-sensor-cells = <0>;
+        };
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index 0d8faba73fe8..8cec8ea46dd1 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3103,6 +3103,7 @@  S:	Maintained
 F:	Documentation/devicetree/bindings/arm/socionext/uniphier.yaml
 F:	Documentation/devicetree/bindings/gpio/socionext,uniphier-gpio.yaml
 F:	Documentation/devicetree/bindings/pinctrl/socionext,uniphier-pinctrl.yaml
+F:	Documentation/devicetree/bindings/soc/socionext/socionext,uniphier*.yaml
 F:	arch/arm/boot/dts/uniphier*
 F:	arch/arm/include/asm/hardware/cache-uniphier.h
 F:	arch/arm/mach-uniphier/