ARM: dts: qcom: msm8226: Add GPU

The msm8226 SoC contains an Adreno 305B. Add a node to configure it.
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Link: https://lore.kernel.org/r/20231130-msm8226-gpu-v1-3-6bb2f1b29e49@z3ntu.xyzSigned-off-by: Bjorn Andersson <andersson@kernel.org>

arch/arm/boot/dts/qcom/qcom-msm8226.dtsi

@@ -1006,6 +1006,46 @@ mdss_dsi0_phy: phy@fd922a00 {
 					      "ref";
 			};
 		};
+
+		gpu: adreno@fdb00000 {
+			compatible = "qcom,adreno-305.18", "qcom,adreno";
+			reg = <0xfdb00000 0x10000>;
+			reg-names = "kgsl_3d0_reg_memory";
+
+			interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "kgsl_3d0_irq";
+
+			clocks = <&mmcc OXILI_GFX3D_CLK>,
+				 <&mmcc OXILICX_AHB_CLK>,
+				 <&mmcc OXILICX_AXI_CLK>;
+			clock-names = "core", "iface", "mem_iface";
+
+			sram = <&gmu_sram>;
+			power-domains = <&mmcc OXILICX_GDSC>;
+			operating-points-v2 = <&gpu_opp_table>;
+
+			status = "disabled";
+
+			gpu_opp_table: opp-table {
+				compatible = "operating-points-v2";
+
+				opp-450000000 {
+					opp-hz = /bits/ 64 <450000000>;
+				};
+
+				opp-320000000 {
+					opp-hz = /bits/ 64 <320000000>;
+				};
+
+				opp-200000000 {
+					opp-hz = /bits/ 64 <200000000>;
+				};
+
+				opp-19000000 {
+					opp-hz = /bits/ 64 <19000000>;
+				};
+			};
+		};
 	};
 
 	thermal-zones {