linux-kernel - [PATCH v2 4/6] dt-bindings: power: rockchip: add regulator support

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Message-ID: <20240919091834.83572-5-sebastian.reichel@collabora.com>
Date: Thu, 19 Sep 2024 11:12:45 +0200
From: Sebastian Reichel <sebastian.reichel@...labora.com>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Heiko Stuebner <heiko@...ech.de>,
	Ulf Hansson <ulf.hansson@...aro.org>
Cc: Elaine Zhang <zhangqing@...k-chips.com>,
	Adrián Martínez Larumbe <adrian.larumbe@...labora.com>,
	Boris Brezillon <boris.brezillon@...labora.com>,
	Chen-Yu Tsai <wens@...e.org>,
	devicetree@...r.kernel.org,
	linux-rockchip@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	linux-pm@...r.kernel.org,
	Sebastian Reichel <sebastian.reichel@...labora.com>,
	kernel@...labora.com
Subject: [PATCH v2 4/6] dt-bindings: power: rockchip: add regulator support

Add optional support for a voltage supply required to enable a
power domain. The binding follows the way it is handled by the
Mediatek binding to keep things consistent.

This will initially be used by the RK3588 GPU power domain, which
fails to be enabled when the GPU regulator is not enabled.

Reviewed-by: Heiko Stuebner <heiko@...ech.de>
Acked-by: Rob Herring (Arm) <robh@...nel.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@...labora.com>
---
 .../devicetree/bindings/power/rockchip,power-controller.yaml   | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/power/rockchip,power-controller.yaml b/Documentation/devicetree/bindings/power/rockchip,power-controller.yaml
index 0d5e999a58f1..0b4c5b174812 100644
--- a/Documentation/devicetree/bindings/power/rockchip,power-controller.yaml
+++ b/Documentation/devicetree/bindings/power/rockchip,power-controller.yaml
@@ -131,6 +131,9 @@ $defs:
           A number of phandles to clocks that need to be enabled
           while power domain switches state.
 
+      domain-supply:
+        description: domain regulator supply.
+
       pm_qos:
         $ref: /schemas/types.yaml#/definitions/phandle-array
         items:
-- 
2.45.2