linux-kernel - [PATCH 1/4] dt-bindings: reset: document Odroid Go Ultra power-off

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Date:   Mon, 31 Oct 2022 17:47:25 +0100
From:   Neil Armstrong <neil.armstrong@...aro.org>
To:     Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Kevin Hilman <khilman@...libre.com>,
        Sebastian Reichel <sre@...nel.org>,
        Jerome Brunet <jbrunet@...libre.com>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-amlogic@...ts.infradead.org,
        devicetree@...r.kernel.org,
        Neil Armstrong <neil.armstrong@...aro.org>
Subject: [PATCH 1/4] dt-bindings: reset: document Odroid Go Ultra power-off

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@...aro.org>
---
 .../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@...aro.org>
+
+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.
+
+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