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 · Aug 18, 2023 · df4fab4 · df4fab4
1 parent cac5893
commit df4fab4
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diff --git a/boards/x86/intel_adl/intel_adl_crb.dts b/boards/x86/intel_adl/intel_adl_crb.dts
@@ -11,6 +11,10 @@
 		zephyr,console = &uart0;
 		zephyr,shell-uart = &uart0;
 	};
+
+	aliases {
+		sdhc0 = &emmc;
+    };
 };
 
 &uart0 {

diff --git a/dts/x86/intel/alder_lake.dtsi b/dts/x86/intel/alder_lake.dtsi
@@ -79,6 +79,28 @@
 			interrupt-parent = <&intc>;
 			status = "disabled";
 		};
+
+		emmc: emmc0 {
+			compatible = "emmc-host";
+			vendor-id = <0x8086>;
+			device-id = <0x54C4>;
+			status = "okay";
+			max-bus-freq = <200000000>;
+			min-bus-freq = <400000>;
+			power-delay-ms = <500>;
+			mmc-hs400-1_8v;
+			mmc-hs200-1_8v;
+			mmc-dw-8bit;
+			mmc-dw-4bit;
+
+			interrupts = <PCIE_IRQ_DETECT IRQ_TYPE_LOWEST_LEVEL_LOW 3>;
+			interrupt-parent = <&intc>;
+
+			mmc {
+				compatible = "zephyr,mmc-disk";
+				status = "okay";
+			};
+		};
 	};
 
 	soc {