arm64: dts: qcom: sa8295p-adp: Enable GPU

With the necessary support in place for supplying VDD_GFX from the
MAX20411 regulator, enable the GPU clock controller, GMU, Adreno SMMU
and the GPU on the SA8295P ADP.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
Link: https://lore.kernel.org/r/20240125-sa8295p-gpu-v4-7-7011c2a63037@quicinc.comSigned-off-by: Bjorn Andersson <andersson@kernel.org>

arch/arm64/boot/dts/qcom/sa8295p-adp.dts

@@ -108,6 +108,13 @@ edp3_connector_in: endpoint {
 			};
 		};
 	};
+
+	reserved-memory {
+		gpu_mem: gpu-mem@8bf00000 {
+			reg = <0 0x8bf00000 0 0x2000>;
+			no-map;
+		};
+	};
 };
 
 &apps_rsc {
@@ -286,6 +293,28 @@ vdd_gfx: regulator@39 {
 	};
 };
 
+&gpucc {
+	vdd-gfx-supply = <&vdd_gfx>;
+	status = "okay";
+};
+
+&gmu {
+	status = "okay";
+};
+
+&gpu {
+	status = "okay";
+
+	zap-shader {
+		memory-region = <&gpu_mem>;
+		firmware-name = "qcom/sa8295p/a690_zap.mbn";
+	};
+};
+
+&gpu_smmu {
+	status = "okay";
+};
+
 &mdss0 {
 	status = "okay";
 };