Convert Microchip AT91 shutdown controller to YAML.
Signed-off-by: Claudiu Beznea <claudiu.beznea@xxxxxxxxxxxxx>
Reviewed-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
Acked-by: Nicolas Ferre <nicolas.ferre@xxxxxxxxxxxxx>
---
.../devicetree/bindings/arm/atmel-sysregs.txt | 31 -------
.../power/reset/atmel,at91sam9260-shdwc.yaml | 82 +++++++++++++++++++
2 files changed, 82 insertions(+), 31 deletions(-)
create mode 100644 Documentation/devicetree/bindings/power/reset/atmel,at91sam9260-shdwc.yaml
diff --git a/Documentation/devicetree/bindings/arm/atmel-sysregs.txt b/Documentation/devicetree/bindings/arm/atmel-sysregs.txt
index ab1b352344ae..e6b2fb291b45 100644
--- a/Documentation/devicetree/bindings/arm/atmel-sysregs.txt
+++ b/Documentation/devicetree/bindings/arm/atmel-sysregs.txt
@@ -52,37 +52,6 @@ Example:
reg = <0xe3804000 0x1000>;
};
-SHDWC Shutdown Controller
-
-required properties:
-- compatible: Should be "atmel,<chip>-shdwc".
- <chip> can be "at91sam9260", "at91sam9rl" or "at91sam9x5".
-- reg: Should contain registers location and length
-- clocks: phandle to input clock.
-
-optional properties:
-- atmel,wakeup-mode: String, operation mode of the wakeup mode.
- Supported values are: "none", "high", "low", "any".
-- atmel,wakeup-counter: Counter on Wake-up 0 (between 0x0 and 0xf).
-
-optional at91sam9260 properties:
-- atmel,wakeup-rtt-timer: boolean to enable Real-time Timer Wake-up.
-
-optional at91sam9rl properties:
-- atmel,wakeup-rtc-timer: boolean to enable Real-time Clock Wake-up.
-- atmel,wakeup-rtt-timer: boolean to enable Real-time Timer Wake-up.
-
-optional at91sam9x5 properties:
-- atmel,wakeup-rtc-timer: boolean to enable Real-time Clock Wake-up.
-
-Example:
-
- shdwc@fffffd10 {
- compatible = "atmel,at91sam9260-shdwc";
- reg = <0xfffffd10 0x10>;
- clocks = <&clk32k>;
- };
-
SHDWC SAMA5D2-Compatible Shutdown Controller
1) shdwc node
diff --git a/Documentation/devicetree/bindings/power/reset/atmel,at91sam9260-shdwc.yaml b/Documentation/devicetree/bindings/power/reset/atmel,at91sam9260-shdwc.yaml
new file mode 100644
index 000000000000..f559a2cfd82e
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/reset/atmel,at91sam9260-shdwc.yaml
@@ -0,0 +1,82 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/power/reset/atmel,at91sam9260-shdwc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Microchip AT91 SHDWC Shutdown Controller
+
+maintainers:
+ - Claudiu Beznea <claudiu.beznea@xxxxxxxxxxxxx>
+
+description: |
+ Microchip AT91 SHDWC shutdown controller controls the power supplies VDDIO
+ and VDDCORE and the wake-up detection on debounced input lines.
+
+properties:
+ compatible:
+ enum:
+ - atmel,at91sam9260-shdwc
+ - atmel,at91sam9rl-shdwc
+ - atmel,at91sam9x5-shdwc
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ atmel,wakeup-mode:
+ description: operation mode of the wakeup mode
+ $ref: /schemas/types.yaml#/definitions/string
+ enum: [ none, high, low, any ]
+
+ atmel,wakeup-counter:
+ description: counter on wake-up 0
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 15
+
+ atmel,wakeup-rtt-timer:
+ description: enable real-time timer wake-up
+ type: boolean
+
+ atmel,wakeup-rtc-timer:
+ description: enable real-time clock wake-up
+ type: boolean
+
+required:
+ - compatible
+ - reg
+ - clocks
+
+allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: atmel,at91sam9x5-shdwc
+ then:
+ properties:
+ atmel,wakeup-rtt-timer: false
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: atmel,at91sam9260-shdwc
+ then:
+ properties:
+ atmel,wakeup-rtc-timer: false
+
+additionalProperties: false
+
+examples:
+ - |
+ shdwc: poweroff@fffffd10 {
+ compatible = "atmel,at91sam9260-shdwc";
+ reg = <0xfffffd10 0x10>;
+ clocks = <&clk32k>;
+ };
+
+...
--
2.34.1
