The AST2600 has 6 I3Cs which are based on dw-i3c along with Aspeed proprietary enhancements. Signed-off-by: Dylan Hung <dylan_hung@xxxxxxxxxxxxxx> --- arch/arm/boot/dts/aspeed/aspeed-g6.dtsi | 137 ++++++++++++++++++++++++ 1 file changed, 137 insertions(+) diff --git a/arch/arm/boot/dts/aspeed/aspeed-g6.dtsi b/arch/arm/boot/dts/aspeed/aspeed-g6.dtsi index 29f94696d8b1..d0d685747b74 100644 --- a/arch/arm/boot/dts/aspeed/aspeed-g6.dtsi +++ b/arch/arm/boot/dts/aspeed/aspeed-g6.dtsi @@ -13,6 +13,12 @@ / { interrupt-parent = <&gic>; aliases { + i3c0 = &i3c0; + i3c1 = &i3c1; + i3c2 = &i3c2; + i3c3 = &i3c3; + i3c4 = &i3c4; + i3c5 = &i3c5; i2c0 = &i2c0; i2c1 = &i2c1; i2c2 = &i2c2; @@ -579,6 +585,13 @@ wdt4: watchdog@1e7850c0 { status = "disabled"; }; + i3c: bus@1e7a0000 { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x1e7a0000 0x8000>; + }; + peci0: peci-controller@1e78b000 { compatible = "aspeed,ast2600-peci"; reg = <0x1e78b000 0x100>; @@ -1125,3 +1138,127 @@ i2c15: i2c-bus@800 { status = "disabled"; }; }; + +&i3c { + i3c_global: i3c-global { + compatible = "aspeed,ast2600-i3c-global", "simple-mfd", "syscon"; + resets = <&syscon ASPEED_RESET_I3C>; + reg = <0x0 0x1000>; + }; + + i3c0: i3c@2000 { + compatible = "aspeed,ast2600-i3c"; + reg = <0x2000 0x1000>; + clocks = <&syscon ASPEED_CLK_GATE_I3C0CLK>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i3c1_default>; + interrupts = <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>; + aspeed,global-regs = <&i3c_global 0>; + status = "disabled"; + + i2c-scl-hz = <1000000>; + i3c-scl-hz = <2000000>; + i3c-od-scl-hi-period-ns = <380>; + i3c-od-scl-lo-period-ns = <620>; + i3c-pp-scl-hi-period-ns = <250>; + i3c-pp-scl-lo-period-ns = <250>; + sda-tx-hold-ns = <70>; + sda-pullup-ohms = <2000>; + }; + + i3c1: i3c@3000 { + compatible = "aspeed,ast2600-i3c"; + reg = <0x3000 0x1000>; + clocks = <&syscon ASPEED_CLK_GATE_I3C1CLK>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i3c2_default>; + interrupts = <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>; + aspeed,global-regs = <&i3c_global 1>; + status = "disabled"; + + i2c-scl-hz = <1000000>; + i3c-scl-hz = <2000000>; + i3c-od-scl-hi-period-ns = <380>; + i3c-od-scl-lo-period-ns = <620>; + i3c-pp-scl-hi-period-ns = <250>; + i3c-pp-scl-lo-period-ns = <250>; + sda-tx-hold-ns = <70>; + sda-pullup-ohms = <2000>; + }; + + i3c2: i3c@4000 { + compatible = "aspeed,ast2600-i3c"; + reg = <0x4000 0x1000>; + clocks = <&syscon ASPEED_CLK_GATE_I3C2CLK>; + interrupts = <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH>; + aspeed,global-regs = <&i3c_global 2>; + status = "disabled"; + + i2c-scl-hz = <1000000>; + i3c-scl-hz = <2000000>; + i3c-od-scl-hi-period-ns = <380>; + i3c-od-scl-lo-period-ns = <620>; + i3c-pp-scl-hi-period-ns = <250>; + i3c-pp-scl-lo-period-ns = <250>; + sda-tx-hold-ns = <70>; + sda-pullup-ohms = <2000>; + }; + + i3c3: i3c@5000 { + compatible = "aspeed,ast2600-i3c"; + reg = <0x5000 0x1000>; + clocks = <&syscon ASPEED_CLK_GATE_I3C3CLK>; + interrupts = <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>; + aspeed,global-regs = <&i3c_global 3>; + status = "disabled"; + + i2c-scl-hz = <1000000>; + i3c-scl-hz = <2000000>; + i3c-od-scl-hi-period-ns = <380>; + i3c-od-scl-lo-period-ns = <620>; + i3c-pp-scl-hi-period-ns = <250>; + i3c-pp-scl-lo-period-ns = <250>; + sda-tx-hold-ns = <70>; + sda-pullup-ohms = <2000>; + }; + + i3c4: i3c@6000 { + compatible = "aspeed,ast2600-i3c"; + reg = <0x6000 0x1000>; + clocks = <&syscon ASPEED_CLK_GATE_I3C4CLK>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i3c5_default>; + interrupts = <GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH>; + aspeed,global-regs = <&i3c_global 4>; + status = "disabled"; + + i2c-scl-hz = <1000000>; + i3c-scl-hz = <2000000>; + i3c-od-scl-hi-period-ns = <380>; + i3c-od-scl-lo-period-ns = <620>; + i3c-pp-scl-hi-period-ns = <250>; + i3c-pp-scl-lo-period-ns = <250>; + sda-tx-hold-ns = <70>; + sda-pullup-ohms = <2000>; + }; + + i3c5: i3c@7000 { + compatible = "aspeed,ast2600-i3c"; + reg = <0x7000 0x1000>; + clocks = <&syscon ASPEED_CLK_GATE_I3C5CLK>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i3c6_default>; + interrupts = <GIC_SPI 107 IRQ_TYPE_LEVEL_HIGH>; + aspeed,global-regs = <&i3c_global 5>; + status = "disabled"; + + i2c-scl-hz = <1000000>; + i3c-scl-hz = <2000000>; + i3c-od-scl-hi-period-ns = <380>; + i3c-od-scl-lo-period-ns = <620>; + i3c-pp-scl-hi-period-ns = <250>; + i3c-pp-scl-lo-period-ns = <250>; + sda-tx-hold-ns = <70>; + sda-pullup-ohms = <2000>; + }; +}; -- 2.25.1