LF-168: arm64: dts: imx8qm: add frequency operating-points to enable GPU governor

add frequency operating-points to enable GPU governor

Signed-off-by: Minjie Zhuang <minjie.zhuang@nxp.com>

diff --git a/arch/arm64/boot/dts/freescale/imx8qm-ss-gpu.dtsi b/arch/arm64/boot/dts/freescale/imx8qm-ss-gpu.dtsi
index 0dfefc4..db76af3 100644 (file)
--- a/arch/arm64/boot/dts/freescale/imx8qm-ss-gpu.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8qm-ss-gpu.dtsi
@@ -16,6 +16,14 @@
                reg = <0x80000000 0x80000000>, <0x0 0x10000000>;
                reg-names = "phys_baseaddr", "contiguous_mem";
                depth-compression = <0>;
+               /*<freq-kHz vol-uV>*/
+               operating-points = <
+                       /*overdrive*/  720000  0  /*The first tuple is for core clock frequency*/
+                               900000 0  /*The second tuple is for shader clock frequency*/
+                       /*nominal*/    650000  0
+                               700000  0
+                       /*underdrive*/ 400000  0  /*core/shader clock share the same frequency on underdrive mode*/
+               >;
                status = "disabled";
        };
 };