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
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
new file mode 100644
@@ -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>;
+ };
+ };
@@ -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/