From ef8563783678af1ed8eabe0719e4d8bbf2ad58d8 Mon Sep 17 00:00:00 2001 From: Joel Stanley Date: Wed, 4 Oct 2017 17:19:11 +1030 Subject: 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: Andrew Jeffery Reviewed-by: Brendan Higgins Signed-off-by: Joel Stanley --- arch/arm/boot/dts/aspeed-g4.dtsi | 256 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 256 insertions(+) (limited to 'arch/arm/boot/dts/aspeed-g4.dtsi') diff --git a/arch/arm/boot/dts/aspeed-g4.dtsi b/arch/arm/boot/dts/aspeed-g4.dtsi index c2d96b8..b6ae7b6 100644 --- a/arch/arm/boot/dts/aspeed-g4.dtsi +++ b/arch/arm/boot/dts/aspeed-g4.dtsi @@ -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>; @@ -235,10 +252,249 @@ 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"; + }; +}; + &pinctrl { pinctrl_acpi_default: acpi_default { function = "ACPI"; -- cgit v1.1