linux-kernel - [PATCH] arm64: dts: rockchip: add missing definition of pmu io domains 1 and 2 on ringneck

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Message-Id: <20240103075352.1009393-1-iskander.amara@theobroma-systems.com>
Date: Wed,  3 Jan 2024 08:53:52 +0100
From: Iskander Amara <iskander.amara@...obroma-systems.com>
To: robh+dt@...nel.org,
	krzysztof.kozlowski+dt@...aro.org,
	conor+dt@...nel.org,
	heiko@...ech.de,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Cc: quentin.schulz@...obroma-systems.com,
	Iskander Amara <iskander.amara@...obroma-systems.com>
Subject: [PATCH] arm64: dts: rockchip: add missing definition of pmu io domains 1 and 2 on ringneck

Two pmuio domains on ringneck are not defined:
	1- PMUIO1: supplied by vcc_3v3 regulator(PMIC RK809)
	2- PMUIO2: supplied by vcc_3v3 regulator(PMIC RK809)

The reason why no functional effect was observed is because of that
the above mentionned PMUIO domains were supplied by a regulator
which is always on.

So let's add their definition in the dtsi.

Signed-off-by: Iskander Amara <iskander.amara@...obroma-systems.com>
---
 arch/arm64/boot/dts/rockchip/px30-ringneck.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/px30-ringneck.dtsi b/arch/arm64/boot/dts/rockchip/px30-ringneck.dtsi
index 12397755830b..821824a6668e 100644
--- a/arch/arm64/boot/dts/rockchip/px30-ringneck.dtsi
+++ b/arch/arm64/boot/dts/rockchip/px30-ringneck.dtsi
@@ -347,6 +347,12 @@ pmic_int: pmic-int {
 	};
 };
 
+&pmu_io_domains {
+		pmuio1-supply = <&vcc_3v3>;
+		pmuio2-supply = <&vcc_3v3>;
+		status = "okay";
+};
+
 &saradc {
 	vref-supply = <&vcc_1v8>;
 	status = "okay";
-- 
2.34.1