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Message-ID: <20241022154508.63563-6-sebastian.reichel@collabora.com>
Date: Tue, 22 Oct 2024 17:41:50 +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>,
Mark Brown <broonie@...nel.org>
Cc: Liam Girdwood <lgirdwood@...il.com>,
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 v3 5/7] 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. It is
not limited to that platform, since older generations have similar
requirements. They worked around this by marking the regulators
as always-on instead of describing the dependency.
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 650dc0aae6f5..ebab98987e49 100644
--- a/Documentation/devicetree/bindings/power/rockchip,power-controller.yaml
+++ b/Documentation/devicetree/bindings/power/rockchip,power-controller.yaml
@@ -132,6 +132,9 @@ $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
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