linux-kernel - [PATCH v1] ARM: dts: rockchip: rk3288: move edp assigned-clocks to edp node

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Message-ID: <7d6fa223-ab90-4c44-9180-54df78467ea5@gmail.com>
Date: Sun, 2 Nov 2025 00:18:13 +0100
From: Johan Jonker <jbx6244@...il.com>
To: heiko@...ech.de
Cc: robh@...nel.org, conor+dt@...nel.org, krzk+dt@...nel.org,
 devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v1] ARM: dts: rockchip: rk3288: move edp assigned-clocks to
 edp node

The rk3288 power-controller node contains an assigned-clocks property
that conflicts with the bindings. From the git history it shows that they
wanted to assign the rk3288 EDP_24M clock input centrally before an edp
node was available. Move the edp assigned-clocks property to the edp node
to reduce dtbs_check output.

Signed-off-by: Johan Jonker <jbx6244@...il.com>
---

Not tested with hardware.

ARM: dts: rockchip: Assign RK3288 EDP_24M input centrally
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/arch/arm/boot/dts/rk3288.dtsi?id=df5ea015984633526874619ca1288fc5f2cf47c0

ARM: dts: rockchip: add rk3288 displayport controller node
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/arch/arm/boot/dts/rk3288.dtsi?id=6df7ec6186644a4ffb4f0c859327ef41a1145a5f

ARM: dts: rockchip: add rk3288 edp-phy node
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/arch/arm/boot/dts/rk3288.dtsi?id=f5663969d8125a5c5b7835812e1e636ecedf030b

ARM: dts: rockchip: move rk3288 edp phy under the GRF
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/arch/arm/boot/dts/rk3288.dtsi?id=4b91545072ad7ca1963d2a89c8b42fc2eb561484
---
 arch/arm/boot/dts/rockchip/rk3288.dtsi | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/arch/arm/boot/dts/rockchip/rk3288.dtsi b/arch/arm/boot/dts/rockchip/rk3288.dtsi
index 7e284b4fecdc..7477fc5da3ec 100644
--- a/arch/arm/boot/dts/rockchip/rk3288.dtsi
+++ b/arch/arm/boot/dts/rockchip/rk3288.dtsi
@@ -741,9 +741,6 @@ power: power-controller {
 			#address-cells = <1>;
 			#size-cells = <0>;

-			assigned-clocks = <&cru SCLK_EDP_24M>;
-			assigned-clock-parents = <&xin24m>;
-
 			/*
 			 * Note: Although SCLK_* are the working clocks
 			 * of device without including on the NOC, needed for
@@ -1193,6 +1190,8 @@ edp: dp@...70000 {
 		compatible = "rockchip,rk3288-dp";
 		reg = <0x0 0xff970000 0x0 0x4000>;
 		interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>;
+		assigned-clocks = <&cru SCLK_EDP_24M>;
+		assigned-clock-parents = <&xin24m>;
 		clocks = <&cru SCLK_EDP>, <&cru PCLK_EDP_CTRL>;
 		clock-names = "dp", "pclk";
 		phys = <&edp_phy>;
--
2.39.5