Hi,
On 02/11/2022 17:23, Rob Herring wrote:
On Mon, Oct 31, 2022 at 05:47:25PM +0100, Neil Armstrong wrote:
The Hardkernel Odroid Go Ultra poweroff scheme requires requesting a poweroff
to its two PMICs in order, this represents the poweroff scheme needed to complet
a clean poeroff of the system.
Signed-off-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
---
.../reset/hardkernel,odroid-go-ultra-poweroff.yaml | 42 ++++++++++++++++++++++
1 file changed, 42 insertions(+)
diff --git a/Documentation/devicetree/bindings/power/reset/hardkernel,odroid-go-ultra-poweroff.yaml b/Documentation/devicetree/bindings/power/reset/hardkernel,odroid-go-ultra-poweroff.yaml
new file mode 100644
index 000000000000..65e42258717c
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/reset/hardkernel,odroid-go-ultra-poweroff.yaml
@@ -0,0 +1,42 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/power/reset/hardkernel,odroid-go-ultra-poweroff.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Hardkernel Odroid Go Ultra poweroff
+
+maintainers:
+ - Neil Armstrong <neil.armstrong@xxxxxxxxxx>
+
+description:
+ The Hardkernel Odroid Go Ultra poweroff scheme requires requesting a poweroff
+ to its two PMICs in order, this represents the poweroff scheme needed to complete
+ a clean poeroff of the system.
You don't really need a node for this. Test against the top level
compatible and then find the PMIC nodes by their compatible strings.
Hmm ok, indeed would be simpler.
Neil
+
+properties:
+ compatible:
+ const: hardkernel,odroid-go-ultra-poweroff
+
+ hardkernel,rk817-pmic:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description: Phandle to the RK817 PMIC node
+
+ hardkernel,rk818-pmic:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description: Phandle to the RK818 PMIC node
+
+required:
+ - compatible
+ - hardkernel,rk817-pmic
+ - hardkernel,rk818-pmic
+
+additionalProperties: false
+
+examples:
+ - |
+ poweroff {
+ compatible = "hardkernel,odroid-go-ultra-poweroff";
+ hardkernel,rk817-pmic = <&rk817>;
+ hardkernel,rk818-pmic = <&rk818>;
+ };
--
b4 0.10.1
