Commit ef856378 authored by Joel Stanley's avatar Joel Stanley
Browse files

ARM: dts: aspeed: Add I2C buses 



Now with an upstream i2c bus driver, we can add  the 14 i2c buses that
exist in ASPEED G4 and G5 generation SoCs.

It also adds aliases for the 14 built-in I2C busses to ensure userspace
sees the numbering staring from zero and counting up.

Acked-by: default avatarAndrew Jeffery <andrew@aj.id.au>
Reviewed-by: default avatarBrendan Higgins <brendanhiggins@google.com>
Signed-off-by: default avatarJoel Stanley <joel@jms.id.au>
parent 29b24640

arch/arm/boot/dts/aspeed-g4.dtsi

+256 −0
Original line number Diff line number Diff line
@@ -7,6 +7,23 @@ 
	#size-cells = <1>;

	interrupt-parent = <&vic>;



	aliases {

		i2c0 = &i2c0;

		i2c1 = &i2c1;

		i2c2 = &i2c2;

		i2c3 = &i2c3;

		i2c4 = &i2c4;

		i2c5 = &i2c5;

		i2c6 = &i2c6;

		i2c7 = &i2c7;

		i2c8 = &i2c8;

		i2c9 = &i2c9;

		i2c10 = &i2c10;

		i2c11 = &i2c11;

		i2c12 = &i2c12;

		i2c13 = &i2c13;

	};



	cpus {

		#address-cells = <1>;

		#size-cells = <0>;
@@ -235,7 +252,246 @@ 
				no-loopback-test;

				status = "disabled";

			};



			i2c: i2c@1e78a000 {

				compatible = "simple-bus";

				#address-cells = <1>;

				#size-cells = <1>;

				ranges = <0 0x1e78a000 0x1000>;

			};

		};

	};

};



&i2c {

	i2c_ic: interrupt-controller@0 {

		#interrupt-cells = <1>;

		compatible = "aspeed,ast2400-i2c-ic";

		reg = <0x0 0x40>;

		interrupts = <12>;

		interrupt-controller;

	};



	i2c0: i2c-bus@40 {

		#address-cells = <1>;

		#size-cells = <0>;

		#interrupt-cells = <1>;



		reg = <0x40 0x40>;

		compatible = "aspeed,ast2400-i2c-bus";

		clocks = <&clk_apb>;

		bus-frequency = <100000>;

		interrupts = <0>;

		interrupt-parent = <&i2c_ic>;

		status = "disabled";

		/* Does not need pinctrl properties */

	};



	i2c1: i2c-bus@80 {

		#address-cells = <1>;

		#size-cells = <0>;

		#interrupt-cells = <1>;



		reg = <0x80 0x40>;

		compatible = "aspeed,ast2400-i2c-bus";

		clocks = <&clk_apb>;

		bus-frequency = <100000>;

		interrupts = <1>;

		interrupt-parent = <&i2c_ic>;

		status = "disabled";

		/* Does not need pinctrl properties */

	};



	i2c2: i2c-bus@c0 {

		#address-cells = <1>;

		#size-cells = <0>;

		#interrupt-cells = <1>;



		reg = <0xc0 0x40>;

		compatible = "aspeed,ast2400-i2c-bus";

		clocks = <&clk_apb>;

		bus-frequency = <100000>;

		interrupts = <2>;

		interrupt-parent = <&i2c_ic>;

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_i2c3_default>;

		status = "disabled";

	};



	i2c3: i2c-bus@100 {

		#address-cells = <1>;

		#size-cells = <0>;

		#interrupt-cells = <1>;



		reg = <0x100 0x40>;

		compatible = "aspeed,ast2400-i2c-bus";

		clocks = <&clk_apb>;

		bus-frequency = <100000>;

		interrupts = <3>;

		interrupt-parent = <&i2c_ic>;

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_i2c4_default>;

		status = "disabled";

	};



	i2c4: i2c-bus@140 {

		#address-cells = <1>;

		#size-cells = <0>;

		#interrupt-cells = <1>;



		reg = <0x140 0x40>;

		compatible = "aspeed,ast2400-i2c-bus";

		clocks = <&clk_apb>;

		bus-frequency = <100000>;

		interrupts = <4>;

		interrupt-parent = <&i2c_ic>;

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_i2c5_default>;

		status = "disabled";

	};



	i2c5: i2c-bus@180 {

		#address-cells = <1>;

		#size-cells = <0>;

		#interrupt-cells = <1>;



		reg = <0x180 0x40>;

		compatible = "aspeed,ast2400-i2c-bus";

		clocks = <&clk_apb>;

		bus-frequency = <100000>;

		interrupts = <5>;

		interrupt-parent = <&i2c_ic>;

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_i2c6_default>;

		status = "disabled";

	};



	i2c6: i2c-bus@1c0 {

		#address-cells = <1>;

		#size-cells = <0>;

		#interrupt-cells = <1>;



		reg = <0x1c0 0x40>;

		compatible = "aspeed,ast2400-i2c-bus";

		clocks = <&clk_apb>;

		bus-frequency = <100000>;

		interrupts = <6>;

		interrupt-parent = <&i2c_ic>;

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_i2c7_default>;

		status = "disabled";

	};



	i2c7: i2c-bus@300 {

		#address-cells = <1>;

		#size-cells = <0>;

		#interrupt-cells = <1>;



		reg = <0x300 0x40>;

		compatible = "aspeed,ast2400-i2c-bus";

		clocks = <&clk_apb>;

		bus-frequency = <100000>;

		interrupts = <7>;

		interrupt-parent = <&i2c_ic>;

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_i2c8_default>;

		status = "disabled";

	};



	i2c8: i2c-bus@340 {

		#address-cells = <1>;

		#size-cells = <0>;

		#interrupt-cells = <1>;



		reg = <0x340 0x40>;

		compatible = "aspeed,ast2400-i2c-bus";

		clocks = <&clk_apb>;

		bus-frequency = <100000>;

		interrupts = <8>;

		interrupt-parent = <&i2c_ic>;

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_i2c9_default>;

		status = "disabled";

	};



	i2c9: i2c-bus@380 {

		#address-cells = <1>;

		#size-cells = <0>;

		#interrupt-cells = <1>;



		reg = <0x380 0x40>;

		compatible = "aspeed,ast2400-i2c-bus";

		clocks = <&clk_apb>;

		bus-frequency = <100000>;

		interrupts = <9>;

		interrupt-parent = <&i2c_ic>;

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_i2c10_default>;

		status = "disabled";

	};



	i2c10: i2c-bus@3c0 {

		#address-cells = <1>;

		#size-cells = <0>;

		#interrupt-cells = <1>;



		reg = <0x3c0 0x40>;

		compatible = "aspeed,ast2400-i2c-bus";

		clocks = <&clk_apb>;

		bus-frequency = <100000>;

		interrupts = <10>;

		interrupt-parent = <&i2c_ic>;

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_i2c11_default>;

		status = "disabled";

	};



	i2c11: i2c-bus@400 {

		#address-cells = <1>;

		#size-cells = <0>;

		#interrupt-cells = <1>;



		reg = <0x400 0x40>;

		compatible = "aspeed,ast2400-i2c-bus";

		clocks = <&clk_apb>;

		bus-frequency = <100000>;

		interrupts = <11>;

		interrupt-parent = <&i2c_ic>;

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_i2c12_default>;

		status = "disabled";

	};



	i2c12: i2c-bus@440 {

		#address-cells = <1>;

		#size-cells = <0>;

		#interrupt-cells = <1>;



		reg = <0x440 0x40>;

		compatible = "aspeed,ast2400-i2c-bus";

		clocks = <&clk_apb>;

		bus-frequency = <100000>;

		interrupts = <12>;

		interrupt-parent = <&i2c_ic>;

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_i2c13_default>;

		status = "disabled";

	};



	i2c13: i2c-bus@480 {

		#address-cells = <1>;

		#size-cells = <0>;

		#interrupt-cells = <1>;



		reg = <0x480 0x40>;

		compatible = "aspeed,ast2400-i2c-bus";

		clocks = <&clk_apb>;

		bus-frequency = <100000>;

		interrupts = <13>;

		interrupt-parent = <&i2c_ic>;

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_i2c14_default>;

		status = "disabled";

	};

};

arch/arm/boot/dts/aspeed-g5.dtsi

+256 −0
Original line number Diff line number Diff line
@@ -7,6 +7,23 @@ 
	#size-cells = <1>;

	interrupt-parent = <&vic>;



	aliases {

		i2c0 = &i2c0;

		i2c1 = &i2c1;

		i2c2 = &i2c2;

		i2c3 = &i2c3;

		i2c4 = &i2c4;

		i2c5 = &i2c5;

		i2c6 = &i2c6;

		i2c7 = &i2c7;

		i2c8 = &i2c8;

		i2c9 = &i2c9;

		i2c10 = &i2c10;

		i2c11 = &i2c11;

		i2c12 = &i2c12;

		i2c13 = &i2c13;

	};



	cpus {

		#address-cells = <1>;

		#size-cells = <0>;
@@ -315,7 +332,246 @@ 
				no-loopback-test;

				status = "disabled";

			};



			i2c: i2c@1e78a000 {

				compatible = "simple-bus";

				#address-cells = <1>;

				#size-cells = <1>;

				ranges = <0 0x1e78a000 0x1000>;

			};

		};

	};

};



&i2c {

	i2c_ic: interrupt-controller@0 {

		#interrupt-cells = <1>;

		compatible = "aspeed,ast2500-i2c-ic";

		reg = <0x0 0x40>;

		interrupts = <12>;

		interrupt-controller;

	};



	i2c0: i2c-bus@40 {

		#address-cells = <1>;

		#size-cells = <0>;

		#interrupt-cells = <1>;



		reg = <0x40 0x40>;

		compatible = "aspeed,ast2500-i2c-bus";

		clocks = <&clk_apb>;

		bus-frequency = <100000>;

		interrupts = <0>;

		interrupt-parent = <&i2c_ic>;

		status = "disabled";

		/* Does not need pinctrl properties */

	};



	i2c1: i2c-bus@80 {

		#address-cells = <1>;

		#size-cells = <0>;

		#interrupt-cells = <1>;



		reg = <0x80 0x40>;

		compatible = "aspeed,ast2500-i2c-bus";

		clocks = <&clk_apb>;

		bus-frequency = <100000>;

		interrupts = <1>;

		interrupt-parent = <&i2c_ic>;

		status = "disabled";

		/* Does not need pinctrl properties */

	};



	i2c2: i2c-bus@c0 {

		#address-cells = <1>;

		#size-cells = <0>;

		#interrupt-cells = <1>;



		reg = <0xc0 0x40>;

		compatible = "aspeed,ast2500-i2c-bus";

		clocks = <&clk_apb>;

		bus-frequency = <100000>;

		interrupts = <2>;

		interrupt-parent = <&i2c_ic>;

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_i2c3_default>;

		status = "disabled";

	};



	i2c3: i2c-bus@100 {

		#address-cells = <1>;

		#size-cells = <0>;

		#interrupt-cells = <1>;



		reg = <0x100 0x40>;

		compatible = "aspeed,ast2500-i2c-bus";

		clocks = <&clk_apb>;

		bus-frequency = <100000>;

		interrupts = <3>;

		interrupt-parent = <&i2c_ic>;

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_i2c4_default>;

		status = "disabled";

	};



	i2c4: i2c-bus@140 {

		#address-cells = <1>;

		#size-cells = <0>;

		#interrupt-cells = <1>;



		reg = <0x140 0x40>;

		compatible = "aspeed,ast2500-i2c-bus";

		clocks = <&clk_apb>;

		bus-frequency = <100000>;

		interrupts = <4>;

		interrupt-parent = <&i2c_ic>;

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_i2c5_default>;

		status = "disabled";

	};



	i2c5: i2c-bus@180 {

		#address-cells = <1>;

		#size-cells = <0>;

		#interrupt-cells = <1>;



		reg = <0x180 0x40>;

		compatible = "aspeed,ast2500-i2c-bus";

		clocks = <&clk_apb>;

		bus-frequency = <100000>;

		interrupts = <5>;

		interrupt-parent = <&i2c_ic>;

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_i2c6_default>;

		status = "disabled";

	};



	i2c6: i2c-bus@1c0 {

		#address-cells = <1>;

		#size-cells = <0>;

		#interrupt-cells = <1>;



		reg = <0x1c0 0x40>;

		compatible = "aspeed,ast2500-i2c-bus";

		clocks = <&clk_apb>;

		bus-frequency = <100000>;

		interrupts = <6>;

		interrupt-parent = <&i2c_ic>;

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_i2c7_default>;

		status = "disabled";

	};



	i2c7: i2c-bus@300 {

		#address-cells = <1>;

		#size-cells = <0>;

		#interrupt-cells = <1>;



		reg = <0x300 0x40>;

		compatible = "aspeed,ast2500-i2c-bus";

		clocks = <&clk_apb>;

		bus-frequency = <100000>;

		interrupts = <7>;

		interrupt-parent = <&i2c_ic>;

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_i2c8_default>;

		status = "disabled";

	};



	i2c8: i2c-bus@340 {

		#address-cells = <1>;

		#size-cells = <0>;

		#interrupt-cells = <1>;



		reg = <0x340 0x40>;

		compatible = "aspeed,ast2500-i2c-bus";

		clocks = <&clk_apb>;

		bus-frequency = <100000>;

		interrupts = <8>;

		interrupt-parent = <&i2c_ic>;

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_i2c9_default>;

		status = "disabled";

	};



	i2c9: i2c-bus@380 {

		#address-cells = <1>;

		#size-cells = <0>;

		#interrupt-cells = <1>;



		reg = <0x380 0x40>;

		compatible = "aspeed,ast2500-i2c-bus";

		clocks = <&clk_apb>;

		bus-frequency = <100000>;

		interrupts = <9>;

		interrupt-parent = <&i2c_ic>;

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_i2c10_default>;

		status = "disabled";

	};



	i2c10: i2c-bus@3c0 {

		#address-cells = <1>;

		#size-cells = <0>;

		#interrupt-cells = <1>;



		reg = <0x3c0 0x40>;

		compatible = "aspeed,ast2500-i2c-bus";

		clocks = <&clk_apb>;

		bus-frequency = <100000>;

		interrupts = <10>;

		interrupt-parent = <&i2c_ic>;

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_i2c11_default>;

		status = "disabled";

	};



	i2c11: i2c-bus@400 {

		#address-cells = <1>;

		#size-cells = <0>;

		#interrupt-cells = <1>;



		reg = <0x400 0x40>;

		compatible = "aspeed,ast2500-i2c-bus";

		clocks = <&clk_apb>;

		bus-frequency = <100000>;

		interrupts = <11>;

		interrupt-parent = <&i2c_ic>;

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_i2c12_default>;

		status = "disabled";

	};



	i2c12: i2c-bus@440 {

		#address-cells = <1>;

		#size-cells = <0>;

		#interrupt-cells = <1>;



		reg = <0x440 0x40>;

		compatible = "aspeed,ast2500-i2c-bus";

		clocks = <&clk_apb>;

		bus-frequency = <100000>;

		interrupts = <12>;

		interrupt-parent = <&i2c_ic>;

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_i2c13_default>;

		status = "disabled";

	};



	i2c13: i2c-bus@480 {

		#address-cells = <1>;

		#size-cells = <0>;

		#interrupt-cells = <1>;



		reg = <0x480 0x40>;

		compatible = "aspeed,ast2500-i2c-bus";

		clocks = <&clk_apb>;

		bus-frequency = <100000>;

		interrupts = <13>;

		interrupt-parent = <&i2c_ic>;

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_i2c14_default>;

		status = "disabled";

	};

};

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