From: Dawid Glazik Date: Fri, 24 Apr 2026 20:20:59 +0000 (+0200) Subject: ARM: dts: aspeed-g6: move i2c controllers directly into apb node X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=46ed8942abf52f5929945419ae25be43d50afb1d;p=thirdparty%2Flinux.git ARM: dts: aspeed-g6: move i2c controllers directly into apb node We currently have the apb's mapping of the i2c controller space as a labelled mostly-empty node: apb { i2c: bus@1e78a000 { ranges = <...>; }; } ... and then define the contents of the i2c block later: i2c: { i2c0: i2c-bus@80 { reg = <0x80 0x80>; }; i2c1: i2c-bus@100 { reg = <0x100 0x80>; }; } Krzysztof mentions[1] that isn't convention though, with the top-level simple-bus being empty and linked via the label. So, drop the label usage and move the i2c bus definition into the simple-bus node directly under the apb: apb { bus@1e78a000 { ranges = <...>; i2c0: i2c-bus@80 { reg = <0x80 0x80>; }; i2c1: i2c-bus@100 { reg = <0x100 0x80>; }; }; } This will allow us to be consistent when we add new definitions for the i3c nodes, which would require the latter format. Link: https://lore.kernel.org/linux-devicetree/c5331cf8-7295-4e6a-ba39-e0751a2c357e@kernel.org/ [1] Suggested-by: Jeremy Kerr Signed-off-by: Dawid Glazik Link: https://patch.msgid.link/7c7010a87bb70b9e2abdadfea76d41cdcb88a82f.1777058942.git.dawid.glazik@linux.intel.com Signed-off-by: Andrew Jeffery --- diff --git a/arch/arm/boot/dts/aspeed/aspeed-g6.dtsi b/arch/arm/boot/dts/aspeed/aspeed-g6.dtsi index 189bc3bbb47c9..f5641128614f2 100644 --- a/arch/arm/boot/dts/aspeed/aspeed-g6.dtsi +++ b/arch/arm/boot/dts/aspeed/aspeed-g6.dtsi @@ -835,11 +835,235 @@ status = "disabled"; }; - i2c: bus@1e78a000 { + bus@1e78a000 { compatible = "simple-bus"; #address-cells = <1>; #size-cells = <1>; ranges = <0 0x1e78a000 0x1000>; + + i2c0: i2c@80 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0x80 0x80>; + compatible = "aspeed,ast2600-i2c-bus"; + clocks = <&syscon ASPEED_CLK_APB2>; + resets = <&syscon ASPEED_RESET_I2C>; + interrupts = ; + bus-frequency = <100000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c1_default>; + status = "disabled"; + }; + + i2c1: i2c@100 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0x100 0x80>; + compatible = "aspeed,ast2600-i2c-bus"; + clocks = <&syscon ASPEED_CLK_APB2>; + resets = <&syscon ASPEED_RESET_I2C>; + interrupts = ; + bus-frequency = <100000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c2_default>; + status = "disabled"; + }; + + i2c2: i2c@180 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0x180 0x80>; + compatible = "aspeed,ast2600-i2c-bus"; + clocks = <&syscon ASPEED_CLK_APB2>; + resets = <&syscon ASPEED_RESET_I2C>; + interrupts = ; + bus-frequency = <100000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c3_default>; + status = "disabled"; + }; + + i2c3: i2c@200 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0x200 0x80>; + compatible = "aspeed,ast2600-i2c-bus"; + clocks = <&syscon ASPEED_CLK_APB2>; + resets = <&syscon ASPEED_RESET_I2C>; + interrupts = ; + bus-frequency = <100000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c4_default>; + status = "disabled"; + }; + + i2c4: i2c@280 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0x280 0x80>; + compatible = "aspeed,ast2600-i2c-bus"; + clocks = <&syscon ASPEED_CLK_APB2>; + resets = <&syscon ASPEED_RESET_I2C>; + interrupts = ; + bus-frequency = <100000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c5_default>; + status = "disabled"; + }; + + i2c5: i2c@300 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0x300 0x80>; + compatible = "aspeed,ast2600-i2c-bus"; + clocks = <&syscon ASPEED_CLK_APB2>; + resets = <&syscon ASPEED_RESET_I2C>; + interrupts = ; + bus-frequency = <100000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c6_default>; + status = "disabled"; + }; + + i2c6: i2c@380 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0x380 0x80>; + compatible = "aspeed,ast2600-i2c-bus"; + clocks = <&syscon ASPEED_CLK_APB2>; + resets = <&syscon ASPEED_RESET_I2C>; + interrupts = ; + bus-frequency = <100000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c7_default>; + status = "disabled"; + }; + + i2c7: i2c@400 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0x400 0x80>; + compatible = "aspeed,ast2600-i2c-bus"; + clocks = <&syscon ASPEED_CLK_APB2>; + resets = <&syscon ASPEED_RESET_I2C>; + interrupts = ; + bus-frequency = <100000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c8_default>; + status = "disabled"; + }; + + i2c8: i2c@480 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0x480 0x80>; + compatible = "aspeed,ast2600-i2c-bus"; + clocks = <&syscon ASPEED_CLK_APB2>; + resets = <&syscon ASPEED_RESET_I2C>; + interrupts = ; + bus-frequency = <100000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c9_default>; + status = "disabled"; + }; + + i2c9: i2c@500 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0x500 0x80>; + compatible = "aspeed,ast2600-i2c-bus"; + clocks = <&syscon ASPEED_CLK_APB2>; + resets = <&syscon ASPEED_RESET_I2C>; + interrupts = ; + bus-frequency = <100000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c10_default>; + status = "disabled"; + }; + + i2c10: i2c@580 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0x580 0x80>; + compatible = "aspeed,ast2600-i2c-bus"; + clocks = <&syscon ASPEED_CLK_APB2>; + resets = <&syscon ASPEED_RESET_I2C>; + interrupts = ; + bus-frequency = <100000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c11_default>; + status = "disabled"; + }; + + i2c11: i2c@600 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0x600 0x80>; + compatible = "aspeed,ast2600-i2c-bus"; + clocks = <&syscon ASPEED_CLK_APB2>; + resets = <&syscon ASPEED_RESET_I2C>; + interrupts = ; + bus-frequency = <100000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c12_default>; + status = "disabled"; + }; + + i2c12: i2c@680 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0x680 0x80>; + compatible = "aspeed,ast2600-i2c-bus"; + clocks = <&syscon ASPEED_CLK_APB2>; + resets = <&syscon ASPEED_RESET_I2C>; + interrupts = ; + bus-frequency = <100000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c13_default>; + status = "disabled"; + }; + + i2c13: i2c@700 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0x700 0x80>; + compatible = "aspeed,ast2600-i2c-bus"; + clocks = <&syscon ASPEED_CLK_APB2>; + resets = <&syscon ASPEED_RESET_I2C>; + interrupts = ; + bus-frequency = <100000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c14_default>; + status = "disabled"; + }; + + i2c14: i2c@780 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0x780 0x80>; + compatible = "aspeed,ast2600-i2c-bus"; + clocks = <&syscon ASPEED_CLK_APB2>; + resets = <&syscon ASPEED_RESET_I2C>; + interrupts = ; + bus-frequency = <100000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c15_default>; + status = "disabled"; + }; + + i2c15: i2c@800 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0x800 0x80>; + compatible = "aspeed,ast2600-i2c-bus"; + clocks = <&syscon ASPEED_CLK_APB2>; + resets = <&syscon ASPEED_RESET_I2C>; + interrupts = ; + bus-frequency = <100000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c16_default>; + status = "disabled"; + }; }; fsim0: fsi@1e79b000 { @@ -870,229 +1094,3 @@ }; #include "aspeed-g6-pinctrl.dtsi" - -&i2c { - i2c0: i2c@80 { - #address-cells = <1>; - #size-cells = <0>; - reg = <0x80 0x80>; - compatible = "aspeed,ast2600-i2c-bus"; - clocks = <&syscon ASPEED_CLK_APB2>; - resets = <&syscon ASPEED_RESET_I2C>; - interrupts = ; - bus-frequency = <100000>; - pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_i2c1_default>; - status = "disabled"; - }; - - i2c1: i2c@100 { - #address-cells = <1>; - #size-cells = <0>; - reg = <0x100 0x80>; - compatible = "aspeed,ast2600-i2c-bus"; - clocks = <&syscon ASPEED_CLK_APB2>; - resets = <&syscon ASPEED_RESET_I2C>; - interrupts = ; - bus-frequency = <100000>; - pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_i2c2_default>; - status = "disabled"; - }; - - i2c2: i2c@180 { - #address-cells = <1>; - #size-cells = <0>; - reg = <0x180 0x80>; - compatible = "aspeed,ast2600-i2c-bus"; - clocks = <&syscon ASPEED_CLK_APB2>; - resets = <&syscon ASPEED_RESET_I2C>; - interrupts = ; - bus-frequency = <100000>; - pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_i2c3_default>; - status = "disabled"; - }; - - i2c3: i2c@200 { - #address-cells = <1>; - #size-cells = <0>; - reg = <0x200 0x80>; - compatible = "aspeed,ast2600-i2c-bus"; - clocks = <&syscon ASPEED_CLK_APB2>; - resets = <&syscon ASPEED_RESET_I2C>; - interrupts = ; - bus-frequency = <100000>; - pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_i2c4_default>; - status = "disabled"; - }; - - i2c4: i2c@280 { - #address-cells = <1>; - #size-cells = <0>; - reg = <0x280 0x80>; - compatible = "aspeed,ast2600-i2c-bus"; - clocks = <&syscon ASPEED_CLK_APB2>; - resets = <&syscon ASPEED_RESET_I2C>; - interrupts = ; - bus-frequency = <100000>; - pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_i2c5_default>; - status = "disabled"; - }; - - i2c5: i2c@300 { - #address-cells = <1>; - #size-cells = <0>; - reg = <0x300 0x80>; - compatible = "aspeed,ast2600-i2c-bus"; - clocks = <&syscon ASPEED_CLK_APB2>; - resets = <&syscon ASPEED_RESET_I2C>; - interrupts = ; - bus-frequency = <100000>; - pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_i2c6_default>; - status = "disabled"; - }; - - i2c6: i2c@380 { - #address-cells = <1>; - #size-cells = <0>; - reg = <0x380 0x80>; - compatible = "aspeed,ast2600-i2c-bus"; - clocks = <&syscon ASPEED_CLK_APB2>; - resets = <&syscon ASPEED_RESET_I2C>; - interrupts = ; - bus-frequency = <100000>; - pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_i2c7_default>; - status = "disabled"; - }; - - i2c7: i2c@400 { - #address-cells = <1>; - #size-cells = <0>; - reg = <0x400 0x80>; - compatible = "aspeed,ast2600-i2c-bus"; - clocks = <&syscon ASPEED_CLK_APB2>; - resets = <&syscon ASPEED_RESET_I2C>; - interrupts = ; - bus-frequency = <100000>; - pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_i2c8_default>; - status = "disabled"; - }; - - i2c8: i2c@480 { - #address-cells = <1>; - #size-cells = <0>; - reg = <0x480 0x80>; - compatible = "aspeed,ast2600-i2c-bus"; - clocks = <&syscon ASPEED_CLK_APB2>; - resets = <&syscon ASPEED_RESET_I2C>; - interrupts = ; - bus-frequency = <100000>; - pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_i2c9_default>; - status = "disabled"; - }; - - i2c9: i2c@500 { - #address-cells = <1>; - #size-cells = <0>; - reg = <0x500 0x80>; - compatible = "aspeed,ast2600-i2c-bus"; - clocks = <&syscon ASPEED_CLK_APB2>; - resets = <&syscon ASPEED_RESET_I2C>; - interrupts = ; - bus-frequency = <100000>; - pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_i2c10_default>; - status = "disabled"; - }; - - i2c10: i2c@580 { - #address-cells = <1>; - #size-cells = <0>; - reg = <0x580 0x80>; - compatible = "aspeed,ast2600-i2c-bus"; - clocks = <&syscon ASPEED_CLK_APB2>; - resets = <&syscon ASPEED_RESET_I2C>; - interrupts = ; - bus-frequency = <100000>; - pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_i2c11_default>; - status = "disabled"; - }; - - i2c11: i2c@600 { - #address-cells = <1>; - #size-cells = <0>; - reg = <0x600 0x80>; - compatible = "aspeed,ast2600-i2c-bus"; - clocks = <&syscon ASPEED_CLK_APB2>; - resets = <&syscon ASPEED_RESET_I2C>; - interrupts = ; - bus-frequency = <100000>; - pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_i2c12_default>; - status = "disabled"; - }; - - i2c12: i2c@680 { - #address-cells = <1>; - #size-cells = <0>; - reg = <0x680 0x80>; - compatible = "aspeed,ast2600-i2c-bus"; - clocks = <&syscon ASPEED_CLK_APB2>; - resets = <&syscon ASPEED_RESET_I2C>; - interrupts = ; - bus-frequency = <100000>; - pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_i2c13_default>; - status = "disabled"; - }; - - i2c13: i2c@700 { - #address-cells = <1>; - #size-cells = <0>; - reg = <0x700 0x80>; - compatible = "aspeed,ast2600-i2c-bus"; - clocks = <&syscon ASPEED_CLK_APB2>; - resets = <&syscon ASPEED_RESET_I2C>; - interrupts = ; - bus-frequency = <100000>; - pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_i2c14_default>; - status = "disabled"; - }; - - i2c14: i2c@780 { - #address-cells = <1>; - #size-cells = <0>; - reg = <0x780 0x80>; - compatible = "aspeed,ast2600-i2c-bus"; - clocks = <&syscon ASPEED_CLK_APB2>; - resets = <&syscon ASPEED_RESET_I2C>; - interrupts = ; - bus-frequency = <100000>; - pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_i2c15_default>; - status = "disabled"; - }; - - i2c15: i2c@800 { - #address-cells = <1>; - #size-cells = <0>; - reg = <0x800 0x80>; - compatible = "aspeed,ast2600-i2c-bus"; - clocks = <&syscon ASPEED_CLK_APB2>; - resets = <&syscon ASPEED_RESET_I2C>; - interrupts = ; - bus-frequency = <100000>; - pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_i2c16_default>; - status = "disabled"; - }; -};