ARM: dts: aspeed: everest: Add pcie slot indicator leds

These are pcie slot indicator leds driven by PCA9552.
Signed-off-by: Vishwanatha Subbanna <vishwa@linux.vnet.ibm.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20210607031259.475020-4-joel@jms.id.au

arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts

@@ -721,6 +721,129 @@ eeprom@51 {
 			};
 		};
 	};
+
+	pca_pcie_slot: pca9552@65 {
+		compatible = "nxp,pca9552";
+		reg = <0x65>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		gpio-controller;
+		#gpio-cells = <2>;
+
+		gpio@0 {
+			reg = <0>;
+			type = <PCA955X_TYPE_GPIO>;
+		};
+
+		led@1 {
+			label = "pcieslot-c01";
+			reg = <1>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@2 {
+			label = "pcieslot-c02";
+			reg = <2>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@3 {
+			label = "pcieslot-c03";
+			reg = <3>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@4 {
+			label = "pcieslot-c04";
+			reg = <4>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@5 {
+			label = "pcieslot-c05";
+			reg = <5>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@6 {
+			label = "pcieslot-c06";
+			reg = <6>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@7 {
+			label = "pcieslot-c07";
+			reg = <7>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@8 {
+			label = "pcieslot-c08";
+			reg = <8>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@9 {
+			label = "pcieslot-c09";
+			reg = <9>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@10 {
+			label = "pcieslot-c10";
+			reg = <10>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@11 {
+			label = "pcieslot-c11";
+			reg = <11>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		gpio@12 {
+			reg = <12>;
+			type = <PCA955X_TYPE_GPIO>;
+		};
+
+		gpio@13 {
+			reg = <13>;
+			type = <PCA955X_TYPE_GPIO>;
+		};
+
+		gpio@14 {
+			reg = <14>;
+			type = <PCA955X_TYPE_GPIO>;
+		};
+
+		gpio@15 {
+			reg = <15>;
+			type = <PCA955X_TYPE_GPIO>;
+		};
+	};
 };
 
 &i2c7 {