linux-kernel - [PATCH V2 3/4] arm64: dts: imx8mp-nominal: Explicitly configure nominal VPU clocks

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Message-ID: <20250612003924.178251-4-aford173@gmail.com>
Date: Wed, 11 Jun 2025 19:39:21 -0500
From: Adam Ford <aford173@...il.com>
To: linux-arm-kernel@...ts.infradead.org
Cc: aford@...conembedded.com,
	m.felsch@...gutronix.de,
	Adam Ford <aford173@...il.com>,
	Ahmad Fatoum <a.fatoum@...gutronix.de>,
	Peng Fan <peng.fan@....com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Subject: [PATCH V2 3/4] arm64: dts: imx8mp-nominal: Explicitly configure nominal VPU clocks

In preparation for increasing the default VPU clocks to overdrive,
configure the nominal values first to avoid running the nominal
devices out of spec when imx8mp.dtsi is changed.

Signed-off-by: Adam Ford <aford173@...il.com>
Reviewed-by: Ahmad Fatoum <a.fatoum@...gutronix.de>
Reviewed-by: Peng Fan <peng.fan@....com>
Signed-off-by: Adam Ford <aford173@...il.com>

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-nominal.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-nominal.dtsi
index 2ce1860b244d..f269f7a004fc 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-nominal.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp-nominal.dtsi
@@ -89,4 +89,22 @@ &media_blk_ctrl {
 			       <1039500000>;
 };
 
+&vpu_g1 {
+	assigned-clocks = <&clk IMX8MP_CLK_VPU_G1>;
+	assigned-clock-parents = <&clk IMX8MP_VPU_PLL_OUT>;
+	assigned-clock-rates = <600000000>;
+};
+
+&vpu_g2 {
+	assigned-clocks = <&clk IMX8MP_CLK_VPU_G2>;
+	assigned-clock-parents = <&clk IMX8MP_SYS_PLL2_1000M>;
+	assigned-clock-rates = <500000000>;
+};
+
+&vpumix_blk_ctrl {
+	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>;
+};
+
 /delete-node/ &{noc_opp_table/opp-1000000000};
-- 
2.48.1