From: Adam Ford <aford173@gmail.com>
To: linux-arm-kernel@lists.infradead.org
Cc: aford@beaconembedded.com, m.felsch@pengutronix.de,
Adam Ford <aford173@gmail.com>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Shawn Guo <shawnguo@kernel.org>,
Sascha Hauer <s.hauer@pengutronix.de>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Fabio Estevam <festevam@gmail.com>,
devicetree@vger.kernel.org, imx@lists.linux.dev,
linux-kernel@vger.kernel.org
Subject: [PATCH V2 2/4] arm64: dts: imx8mp: fix VPU_BUS clock setting
Date: Wed, 11 Jun 2025 19:39:20 -0500 [thread overview]
Message-ID: <20250612003924.178251-3-aford173@gmail.com> (raw)
In-Reply-To: <20250612003924.178251-1-aford173@gmail.com>
From: Marco Felsch <m.felsch@pengutronix.de>
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@pengutronix.de>
Signed-off-by: Adam Ford <aford173@gmail.com>
diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
index 1bf15c502280..909555a5da4b 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
@@ -2283,8 +2283,8 @@ vpumix_blk_ctrl: blk-ctrl@38330000 {
<&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>,
--
2.48.1
next prev parent reply other threads:[~2025-06-12 0:39 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-12 0:39 [PATCH V2 0/4] Increase i.MX8MP VPU Adam Ford
2025-06-12 0:39 ` [PATCH V2 1/4] arm64: dts: imx8mp: drop gpcv2 vpu power-domains and clocks Adam Ford
2025-06-12 0:39 ` Adam Ford [this message]
2025-06-12 0:39 ` [PATCH V2 3/4] arm64: dts: imx8mp-nominal: Explicitly configure nominal VPU clocks Adam Ford
2025-06-12 13:17 ` Marco Felsch
2025-06-12 0:39 ` [PATCH V2 4/4] arm64: dts: imx8mp: Configure VPU clocks for overdrive Adam Ford
2025-06-12 13:16 ` Marco Felsch
2025-07-02 9:51 ` [PATCH V2 0/4] Increase i.MX8MP VPU Shawn Guo
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