linux-kernel - [RFC PATCH 07/11] arm64: dts: imx8mp: fix VPU

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Message-Id: <20250502150513.4169098-8-m.felsch@pengutronix.de>
Date: Fri,  2 May 2025 17:05:10 +0200
From: Marco Felsch <m.felsch@...gutronix.de>
To: nicolas.dufresne@...labora.com,
	benjamin.gaignard@...labora.com,
	p.zabel@...gutronix.de,
	mchehab@...nel.org,
	shawnguo@...nel.org,
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Cc: linux-kernel@...r.kernel.org,
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Subject: [RFC PATCH 07/11] arm64: dts: imx8mp: fix VPU_BUS clock setting

The VPU_PLL clock must be set before the VPU_BUS clock which is derived
from the VPU_PLL clock else the VPU_BUS clock is 300MHz and not 600MHz.

Signed-off-by: Marco Felsch <m.felsch@...gutronix.de>
---
 arch/arm64/boot/dts/freescale/imx8mp.dtsi | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
index 97b09b647ec7..7f4bdefb3480 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
@@ -2289,8 +2289,8 @@ vpumix_blk_ctrl: blk-ctrl@...30000 {
 				 <&clk IMX8MP_CLK_VPU_G2_ROOT>,
 				 <&clk IMX8MP_CLK_VPU_VC8KE_ROOT>;
 			clock-names = "g1", "g2", "vc8000e";
-			assigned-clocks = <&clk IMX8MP_CLK_VPU_BUS>, <&clk IMX8MP_VPU_PLL>;
-			assigned-clock-parents = <&clk IMX8MP_VPU_PLL_OUT>;
+			assigned-clocks = <&clk IMX8MP_VPU_PLL>, <&clk IMX8MP_CLK_VPU_BUS>;
+			assigned-clock-parents = <0>, <&clk IMX8MP_VPU_PLL_OUT>;
 			assigned-clock-rates = <600000000>, <600000000>;
 			interconnects = <&noc IMX8MP_ICM_VPU_G1 &noc IMX8MP_ICN_VIDEO>,
 					<&noc IMX8MP_ICM_VPU_G2 &noc IMX8MP_ICN_VIDEO>,
-- 
2.39.5