arm64: dts: qcom: sm8150: Add support for SDC2

Add support for SDC2 which can be used to interface uSD card.

Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Rob Herring <robh@kernel.org>
Signed-off-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220403144151.92572-2-bhupesh.sharma@linaro.org

arch/arm64/boot/dts/qcom/sm8150.dtsi

@@ -3515,6 +3515,51 @@ usb_2_ssphy: phy@88eb200 {
 			};
 		};
 
+		sdhc_2: sdhci@8804000 {
+			compatible = "qcom,sm8150-sdhci", "qcom,sdhci-msm-v5";
+			reg = <0 0x08804000 0 0x1000>;
+
+			interrupts = <GIC_SPI 204 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 222 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "hc_irq", "pwr_irq";
+
+			clocks = <&gcc GCC_SDCC2_AHB_CLK>,
+				 <&gcc GCC_SDCC2_APPS_CLK>,
+				 <&rpmhcc RPMH_CXO_CLK>;
+			clock-names = "iface", "core", "xo";
+			iommus = <&apps_smmu 0x4a0 0x0>;
+			qcom,dll-config = <0x0007642c>;
+			qcom,ddr-config = <0x80040868>;
+			power-domains = <&rpmhpd 0>;
+			operating-points-v2 = <&sdhc2_opp_table>;
+
+			status = "disabled";
+
+			sdhc2_opp_table: sdhc2-opp-table {
+				compatible = "operating-points-v2";
+
+				opp-19200000 {
+					opp-hz = /bits/ 64 <19200000>;
+					required-opps = <&rpmhpd_opp_min_svs>;
+				};
+
+				opp-50000000 {
+					opp-hz = /bits/ 64 <50000000>;
+					required-opps = <&rpmhpd_opp_low_svs>;
+				};
+
+				opp-100000000 {
+					opp-hz = /bits/ 64 <100000000>;
+					required-opps = <&rpmhpd_opp_svs>;
+				};
+
+				opp-202000000 {
+					opp-hz = /bits/ 64 <202000000>;
+					required-opps = <&rpmhpd_opp_svs_l1>;
+				};
+			};
+		};
+
 		dc_noc: interconnect@9160000 {
 			compatible = "qcom,sm8150-dc-noc";
 			reg = <0 0x09160000 0 0x3200>;