From cc2f156a33278d9b23b5cf8f738c55c842d0f225 Mon Sep 17 00:00:00 2001 From: Jonas Karlman Date: Wed, 23 Jul 2025 08:56:43 +0000 Subject: [PATCH] dt-bindings: gpio: rockchip: Allow use of a power-domain The GPIO controllers in most Rockchip SoCs are part of power domains that are always powered on, i.e. PD_BUS or PD_PMU. These always powered on power domains have typically not been described in the device tree. Because these power domains have been left out of the device tree there has not been any real need to properly describe the GPIO controllers power domain. On RK3528 the GPIO controllers are spread out among the described PD_RKVENC, PD_VO and PD_VPU power domains. However, one GPIO controller belong to an undescribed always powered on power domain. Add support to describe an optional power-domains for the GPIO controllers in Rockchip SoCs. Signed-off-by: Jonas Karlman Reviewed-by: Rob Herring (Arm) Link: https://lore.kernel.org/r/20250723085654.2273324-2-jonas@kwiboo.se Signed-off-by: Bartosz Golaszewski --- Documentation/devicetree/bindings/gpio/rockchip,gpio-bank.yaml | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/gpio/rockchip,gpio-bank.yaml b/Documentation/devicetree/bindings/gpio/rockchip,gpio-bank.yaml index d76987ce8e50e..bdd83f42615cb 100644 --- a/Documentation/devicetree/bindings/gpio/rockchip,gpio-bank.yaml +++ b/Documentation/devicetree/bindings/gpio/rockchip,gpio-bank.yaml @@ -41,6 +41,9 @@ properties: "#interrupt-cells": const: 2 + power-domains: + maxItems: 1 + patternProperties: "^.+-hog(-[0-9]+)?$": type: object -- 2.47.2