Commit d024ca27 authored by Chanh Nguyen's avatar Chanh Nguyen Committed by Joel Stanley
Browse files

ARM: dts: aspeed: mtmitchell: Add I2C NVMe alias port 



Adds the I2C alias ports to each NVMe drive via the
backplane card.

Besides that, it also adds the eeprom and temperature sensor
on the backplane card.

Signed-off-by: default avatarChanh Nguyen <chanh@os.amperecomputing.com>
Reviewed-by: default avatarJoel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20231005035525.19036-8-chanh@os.amperecomputing.com


Signed-off-by: default avatarJoel Stanley <joel@jms.id.au>
parent 8098d06a

arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtmitchell.dts

+267 −0
Original line number Diff line number Diff line
@@ -14,6 +14,42 @@ / { 
	aliases {

		serial7 = &uart8;

		serial8 = &uart9;



		/*

		 *  I2C NVMe alias port

		 */

		i2c100 = &backplane_0;

		i2c48 = &nvmeslot_0;

		i2c49 = &nvmeslot_1;

		i2c50 = &nvmeslot_2;

		i2c51 = &nvmeslot_3;

		i2c52 = &nvmeslot_4;

		i2c53 = &nvmeslot_5;

		i2c54 = &nvmeslot_6;

		i2c55 = &nvmeslot_7;



		i2c101 = &backplane_1;

		i2c56 = &nvmeslot_8;

		i2c57 = &nvmeslot_9;

		i2c58 = &nvmeslot_10;

		i2c59 = &nvmeslot_11;

		i2c60 = &nvmeslot_12;

		i2c61 = &nvmeslot_13;

		i2c62 = &nvmeslot_14;

		i2c63 = &nvmeslot_15;



		i2c102 = &backplane_2;

		i2c64 = &nvmeslot_16;

		i2c65 = &nvmeslot_17;

		i2c66 = &nvmeslot_18;

		i2c67 = &nvmeslot_19;

		i2c68 = &nvmeslot_20;

		i2c69 = &nvmeslot_21;

		i2c70 = &nvmeslot_22;

		i2c71 = &nvmeslot_23;



		i2c80 = &nvme_m2_0;

		i2c81 = &nvme_m2_1;

	};



	chosen {
@@ -521,6 +557,237 @@ bmc-ocp0-en-hog { 


&i2c9 {

	status = "okay";

	i2c-mux@70 {

		compatible = "nxp,pca9548";

		#address-cells = <1>;

		#size-cells = <0>;

		reg = <0x70>;

		i2c-mux-idle-disconnect;



		backplane_1: i2c@0 {

			#address-cells = <1>;

			#size-cells = <0>;

			reg = <0x0>;



			eeprom@50 {

				compatible = "atmel,24c64";

				reg = <0x50>;

				pagesize = <32>;

			};



			i2c-mux@71 {

				compatible = "nxp,pca9548";

				#address-cells = <1>;

				#size-cells = <0>;

				reg = <0x71>;

				i2c-mux-idle-disconnect;



				nvmeslot_8: i2c@0 {

					#address-cells = <1>;

					#size-cells = <0>;

					reg = <0x0>;

				};

				nvmeslot_9: i2c@1 {

					#address-cells = <1>;

					#size-cells = <0>;

					reg = <0x1>;

				};

				nvmeslot_10: i2c@2 {

					#address-cells = <1>;

					#size-cells = <0>;

					reg = <0x2>;

				};

				nvmeslot_11: i2c@3 {

					#address-cells = <1>;

					#size-cells = <0>;

					reg = <0x3>;

				};

				nvmeslot_12: i2c@4 {

					#address-cells = <1>;

					#size-cells = <0>;

					reg = <0x4>;

				};

				nvmeslot_13: i2c@5 {

					#address-cells = <1>;

					#size-cells = <0>;

					reg = <0x5>;

				};

				nvmeslot_14: i2c@6 {

					#address-cells = <1>;

					#size-cells = <0>;

					reg = <0x6>;

				};

				nvmeslot_15: i2c@7 {

					#address-cells = <1>;

					#size-cells = <0>;

					reg = <0x7>;

				};

			};



			tmp432@4c {

				compatible = "ti,tmp75";

				reg = <0x4c>;

			};

		};



		backplane_2: i2c@2 {

			#address-cells = <1>;

			#size-cells = <0>;

			reg = <0x2>;



			eeprom@50 {

				compatible = "atmel,24c64";

				reg = <0x50>;

				pagesize = <32>;

			};



			i2c-mux@71 {

				compatible = "nxp,pca9548";

				#address-cells = <1>;

				#size-cells = <0>;

				reg = <0x71>;

				i2c-mux-idle-disconnect;



				nvmeslot_16: i2c@0 {

					#address-cells = <1>;

					#size-cells = <0>;

					reg = <0x0>;

				};

				nvmeslot_17: i2c@1 {

					#address-cells = <1>;

					#size-cells = <0>;

					reg = <0x1>;

				};

				nvmeslot_18: i2c@2 {

					#address-cells = <1>;

					#size-cells = <0>;

					reg = <0x2>;

				};

				nvmeslot_19: i2c@3 {

					#address-cells = <1>;

					#size-cells = <0>;

					reg = <0x3>;

				};

				nvmeslot_20: i2c@4 {

					#address-cells = <1>;

					#size-cells = <0>;

					reg = <0x4>;

				};

				nvmeslot_21: i2c@5 {

					#address-cells = <1>;

					#size-cells = <0>;

					reg = <0x5>;

				};

				nvmeslot_22: i2c@6 {

					#address-cells = <1>;

					#size-cells = <0>;

					reg = <0x6>;

				};

				nvmeslot_23: i2c@7 {

					#address-cells = <1>;

					#size-cells = <0>;

					reg = <0x7>;

				};

			};



			tmp432@4c {

				compatible = "ti,tmp75";

				reg = <0x4c>;

			};

		};



		backplane_0: i2c@4 {

			#address-cells = <1>;

			#size-cells = <0>;

			reg = <0x4>;



			eeprom@50 {

				compatible = "atmel,24c64";

				reg = <0x50>;

				pagesize = <32>;

			};



			i2c-mux@71 {

				compatible = "nxp,pca9548";

				#address-cells = <1>;

				#size-cells = <0>;

				reg = <0x71>;

				i2c-mux-idle-disconnect;



				nvmeslot_0: i2c@0 {

					#address-cells = <1>;

					#size-cells = <0>;

					reg = <0x0>;

				};

				nvmeslot_1: i2c@1 {

					#address-cells = <1>;

					#size-cells = <0>;

					reg = <0x1>;

				};

				nvmeslot_2: i2c@2 {

					#address-cells = <1>;

					#size-cells = <0>;

					reg = <0x2>;

				};

				nvmeslot_3: i2c@3 {

					#address-cells = <1>;

					#size-cells = <0>;

					reg = <0x3>;

				};

				nvmeslot_4: i2c@4 {

					#address-cells = <1>;

					#size-cells = <0>;

					reg = <0x4>;

				};

				nvmeslot_5: i2c@5 {

					#address-cells = <1>;

					#size-cells = <0>;

					reg = <0x5>;

				};

				nvmeslot_6: i2c@6 {

					#address-cells = <1>;

					#size-cells = <0>;

					reg = <0x6>;

				};

				nvmeslot_7: i2c@7 {

					#address-cells = <1>;

					#size-cells = <0>;

					reg = <0x7>;

				};

			};



			tmp432@4c {

				compatible = "ti,tmp75";

				reg = <0x4c>;

			};

		};



		i2c@7 {

			#address-cells = <1>;

			#size-cells = <0>;

			reg = <0x7>;



			i2c-mux@71 {

				compatible = "nxp,pca9546";

				#address-cells = <1>;

				#size-cells = <0>;

				reg = <0x71>;

				i2c-mux-idle-disconnect;



				nvme_m2_0: i2c@0 {

					#address-cells = <1>;

					#size-cells = <0>;

					reg = <0x0>;

				};



				nvme_m2_1: i2c@1 {

					#address-cells = <1>;

					#size-cells = <0>;

					reg = <0x1>;

				};

			};

		};

	};

};



&i2c11 {