linux-kernel - [PATCH 2/2] dt-bindings: gpio-regulator: add vin-supply property support

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Message-Id: <20220929132526.29427-3-jneanne@baylibre.com>
Date:   Thu, 29 Sep 2022 15:25:26 +0200
From:   Jerome Neanne <jneanne@...libre.com>
To:     lgirdwood@...il.com, broonie@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org
Cc:     linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        khilman@...libre.com, msp@...libre.com,
        Jerome Neanne <jneanne@...libre.com>
Subject: [PATCH 2/2] dt-bindings: gpio-regulator: add vin-supply property support

This is same scheme as fixed-regulator.

Without that property used, the parent regulator can be shut down (if not an always on).
Thus leading to inappropriate behavior:
On am62-SP-SK this fix is required to avoid tps65219 ldo1 (SDMMC rail) to be shut down after boot completion.

Signed-off-by: Jerome Neanne <jneanne@...libre.com>
---
 .../devicetree/bindings/regulator/gpio-regulator.yaml          | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/regulator/gpio-regulator.yaml b/Documentation/devicetree/bindings/regulator/gpio-regulator.yaml
index f7e3d8fd3b..6c3371d706 100644
--- a/Documentation/devicetree/bindings/regulator/gpio-regulator.yaml
+++ b/Documentation/devicetree/bindings/regulator/gpio-regulator.yaml
@@ -85,6 +85,9 @@ properties:
       - current
     default: voltage
 
+  vin-supply:
+    description: Input supply phandle.
+
 required:
   - compatible
   - regulator-name
-- 
2.17.1