boards: x86: add eMMC support for Intel Alder lake platform

add DTS entry for enable eMMC support on Intel Alder lake platform Signed-off-by: Najumon B.A <najumon.ba@intel.com>
zephyrproject-rtos · Sep 12, 2023 · 518784b · 518784b
1 parent 1efa87e
commit 518784b
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diff --git a/boards/x86/intel_adl/intel_adl.dts b/boards/x86/intel_adl/intel_adl.dts
@@ -22,5 +22,6 @@
 
 	aliases {
 		watchdog0 = &tco_wdt;
+		sdhc0 = &emmc;
 	};
 };
diff --git a/dts/x86/intel/alder_lake.dtsi b/dts/x86/intel/alder_lake.dtsi
@@ -228,6 +228,28 @@
 			interrupt-parent = <&intc>;
 			status = "disabled";
 		};
+
+		emmc: emmc0 {
+			compatible = "intel,emmc-host";
+			vendor-id = <0x8086>;
+			device-id = <0x54C4>;
+			interrupts = <PCIE_IRQ_DETECT IRQ_TYPE_LOWEST_LEVEL_LOW 3>;
+			interrupt-parent = <&intc>;
+
+			max-bus-freq = <200000000>;
+			min-bus-freq = <400000>;
+			power-delay-ms = <500>;
+			mmc-hs400-1_8v;
+			mmc-hs200-1_8v;
+			bus-width = <8>;
+
+			mmc {
+				compatible = "zephyr,mmc-disk";
+				status = "okay";
+			};
+
+			status = "okay";
+		};
 	};
 
 	soc {