Commit dc1c6cf2 authored by Adam Ford's avatar Adam Ford Committed by Shawn Guo
Browse files

arm64: dts: imx8mn: Enable Overdrive mode 



The i.MX8M Nano supports and overdrive mode if the SoC is given
the proper voltage.  Add imx8mn-overdrive.dtsi file which can
be included by boards who support the voltage necessary to handle
the faster clocks.  This increases the GPU clocks from 400MHz to
600MHz.

Signed-off-by: default avatarAdam Ford <aford173@gmail.com>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent 6557e92e

arch/arm64/boot/dts/freescale/imx8mn-overdrive.dtsi

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+18 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)



&gpu {

	assigned-clocks = <&clk IMX8MN_CLK_GPU_CORE>,

			  <&clk IMX8MN_CLK_GPU_SHADER>,

			  <&clk IMX8MN_CLK_GPU_AXI>,

			  <&clk IMX8MN_CLK_GPU_AHB>,

			  <&clk IMX8MN_GPU_PLL>;

	assigned-clock-parents = <&clk IMX8MN_GPU_PLL_OUT>,

				  <&clk IMX8MN_GPU_PLL_OUT>,

				  <&clk IMX8MN_SYS_PLL1_800M>,

				  <&clk IMX8MN_SYS_PLL1_800M>;

	assigned-clock-rates = <600000000>,

			       <600000000>,

			       <800000000>,

			       <400000000>,

			       <1200000000>;

};