diff options
author | Adam Ford <aford173@gmail.com> | 2023-11-28 15:18:31 -0600 |
---|---|---|
committer | Shawn Guo <shawnguo@kernel.org> | 2023-12-14 10:22:11 +0800 |
commit | dc1c6cf226dc99161a477e8b4488dfe97e0fa928 (patch) | |
tree | b793bfa5fa58f6aef6b943652c1b38a3bee1efe3 /arch/arm64/boot/dts/freescale | |
parent | 6557e92e233644172eeb31c900b1c9711fcdf5c8 (diff) |
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: Adam Ford <aford173@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm64/boot/dts/freescale')
-rw-r--r-- | arch/arm64/boot/dts/freescale/imx8mn-overdrive.dtsi | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8mn-overdrive.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-overdrive.dtsi new file mode 100644 index 000000000000..5d03fb893e90 --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx8mn-overdrive.dtsi @@ -0,0 +1,18 @@ +// 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>; +}; |