[PATCH linux dev-4.10 v3] ARM: dts: aspeed: Update i2c binding
Andrew Jeffery
andrew at aj.id.au
Fri Apr 28 11:26:42 AEST 2017
On Fri, 2017-04-28 at 10:48 +0930, Joel Stanley wrote:
> The I2C binding changed when upstreaming the I2C driver.
>
> This adds aliases for the 14 built-in I2C busses to ensure userspace
> sees the numbering that we had with the old driver.
>
> This change moves the description of the i2c buses to the bottom of the
> dtsi to improve readability.
>
> Signed-off-by: Joel Stanley <joel at jms.id.au>
Reviewed-by: Andrew Jeffery <andrew at aj.id.au>
> ---
> v2:
> Added i2c aliases.
>
> Boot tested on qemu-palmetto. We see the same i2c entries under /dev as before,
> so the aliases work. Note that we can't use qemu for testing with the new
> driver, tracked at https://github.com/openbmc/qemu/issues/5
>
> v3:
> Fixed missing pinctrl properties for i2c2
>
> v4:
> No code change. Send patch with --diff-algorithm=histogram so it made sense
>
> arch/arm/boot/dts/aspeed-g4.dtsi | 440 ++++++++++++++++++++++-----------------
> arch/arm/boot/dts/aspeed-g5.dtsi | 439 +++++++++++++++++++++-----------------
> 2 files changed, 501 insertions(+), 378 deletions(-)
>
> diff --git a/arch/arm/boot/dts/aspeed-g4.dtsi b/arch/arm/boot/dts/aspeed-g4.dtsi
> index b9a6730cc831..952e23d553f8 100644
> --- a/arch/arm/boot/dts/aspeed-g4.dtsi
> +++ b/arch/arm/boot/dts/aspeed-g4.dtsi
> @@ -18,6 +18,23 @@
> > };
> > };
>
> > + 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;
> > + };
> +
> > clocks {
> > };
>
> @@ -958,200 +975,245 @@
> > };
>
> > > i2c: i2c at 1e78a000 {
> > + compatible = "simple-bus";
> > #address-cells = <1>;
> > #size-cells = <1>;
> > - #interrupt-cells = <1>;
> -
> > - compatible = "aspeed,ast2400-i2c-controller";
> > - reg = <0x1e78a000 0x40>;
> > ranges = <0 0x1e78a000 0x1000>;
> > - interrupts = <12>;
> > - clocks = <&clk_apb>;
> > - clock-ranges;
> > - interrupt-controller;
> -
> > > - i2c0: i2c-bus at 40 {
> > - #address-cells = <1>;
> > - #size-cells = <0>;
> > - reg = <0x40 0x40>;
> > - compatible = "aspeed,ast2400-i2c-bus";
> > - bus = <0>;
> > - clock-frequency = <100000>;
> > - status = "disabled";
> > - interrupts = <0>;
> > - interrupt-parent = <&i2c>;
> > - /* Does not need pinctrl node */
> > - };
> -
> > > - i2c1: i2c-bus at 80 {
> > - #address-cells = <1>;
> > - #size-cells = <0>;
> > - reg = <0x80 0x40>;
> > - compatible = "aspeed,ast2400-i2c-bus";
> > - bus = <1>;
> > - clock-frequency = <100000>;
> > - status = "disabled";
> > - interrupts = <1>;
> > - /* Does not need pinctrl node */
> > - };
> -
> > > - i2c2: i2c-bus at c0 {
> > - #address-cells = <1>;
> > - #size-cells = <0>;
> > - reg = <0xC0 0x40>;
> > - compatible = "aspeed,ast2400-i2c-bus";
> > - bus = <2>;
> > - clock-frequency = <100000>;
> > - status = "disabled";
> > - interrupts = <2>;
> > - pinctrl-names = "default";
> > - pinctrl-0 = <&pinctrl_i2c3_default>;
> > - };
> -
> > > - i2c3: i2c-bus at 100 {
> > - #address-cells = <1>;
> > - #size-cells = <0>;
> > - reg = <0x100 0x40>;
> > - compatible = "aspeed,ast2400-i2c-bus";
> > - bus = <3>;
> > - clock-frequency = <100000>;
> > - status = "disabled";
> > - interrupts = <3>;
> > - pinctrl-names = "default";
> > - pinctrl-0 = <&pinctrl_i2c4_default>;
> > - };
> -
> > > - i2c4: i2c-bus at 140 {
> > - #address-cells = <1>;
> > - #size-cells = <0>;
> > - reg = <0x140 0x40>;
> > - compatible = "aspeed,ast2400-i2c-bus";
> > - bus = <4>;
> > - clock-frequency = <100000>;
> > - status = "disabled";
> > - interrupts = <4>;
> > - pinctrl-names = "default";
> > - pinctrl-0 = <&pinctrl_i2c5_default>;
> > - };
> -
> > > - i2c5: i2c-bus at 180 {
> > - #address-cells = <1>;
> > - #size-cells = <0>;
> > - reg = <0x180 0x40>;
> > - compatible = "aspeed,ast2400-i2c-bus";
> > - bus = <5>;
> > - clock-frequency = <100000>;
> > - status = "disabled";
> > - interrupts = <5>;
> > - pinctrl-names = "default";
> > - pinctrl-0 = <&pinctrl_i2c6_default>;
> > - };
> -
> > > - i2c6: i2c-bus at 1c0 {
> > - #address-cells = <1>;
> > - #size-cells = <0>;
> > - reg = <0x1C0 0x40>;
> > - compatible = "aspeed,ast2400-i2c-bus";
> > - bus = <6>;
> > - clock-frequency = <100000>;
> > - status = "disabled";
> > - interrupts = <6>;
> > - pinctrl-names = "default";
> > - pinctrl-0 = <&pinctrl_i2c7_default>;
> > - };
> -
> > > - i2c7: i2c-bus at 300 {
> > - #address-cells = <1>;
> > - #size-cells = <0>;
> > - reg = <0x300 0x40>;
> > - compatible = "aspeed,ast2400-i2c-bus";
> > - bus = <7>;
> > - clock-frequency = <100000>;
> > - status = "disabled";
> > - interrupts = <7>;
> > - pinctrl-names = "default";
> > - pinctrl-0 = <&pinctrl_i2c8_default>;
> > - };
> -
> > > - i2c8: i2c-bus at 340 {
> > - #address-cells = <1>;
> > - #size-cells = <0>;
> > - reg = <0x340 0x40>;
> > - compatible = "aspeed,ast2400-i2c-bus";
> > - bus = <8>;
> > - clock-frequency = <100000>;
> > - status = "disabled";
> > - interrupts = <8>;
> > - pinctrl-names = "default";
> > - pinctrl-0 = <&pinctrl_i2c9_default>;
> > - };
> -
> > > - i2c9: i2c-bus at 380 {
> > - #address-cells = <1>;
> > - #size-cells = <0>;
> > - reg = <0x380 0x40>;
> > - compatible = "aspeed,ast2400-i2c-bus";
> > - bus = <9>;
> > - clock-frequency = <100000>;
> > - status = "disabled";
> > - interrupts = <9>;
> > - pinctrl-names = "default";
> > - pinctrl-0 = <&pinctrl_i2c10_default>;
> > - };
> -
> > > - i2c10: i2c-bus at 3c0 {
> > - #address-cells = <1>;
> > - #size-cells = <0>;
> > - reg = <0x3c0 0x40>;
> > - compatible = "aspeed,ast2400-i2c-bus";
> > - bus = <10>;
> > - clock-frequency = <100000>;
> > - status = "disabled";
> > - interrupts = <10>;
> > - pinctrl-names = "default";
> > - pinctrl-0 = <&pinctrl_i2c11_default>;
> > - };
> -
> > > - i2c11: i2c-bus at 400 {
> > - #address-cells = <1>;
> > - #size-cells = <0>;
> > - reg = <0x400 0x40>;
> > - compatible = "aspeed,ast2400-i2c-bus";
> > - bus = <11>;
> > - clock-frequency = <100000>;
> > - status = "disabled";
> > - interrupts = <11>;
> > - pinctrl-names = "default";
> > - pinctrl-0 = <&pinctrl_i2c12_default>;
> > - };
> -
> > > - i2c12: i2c-bus at 440 {
> > - #address-cells = <1>;
> > - #size-cells = <0>;
> > - reg = <0x440 0x40>;
> > - compatible = "aspeed,ast2400-i2c-bus";
> > - bus = <12>;
> > - clock-frequency = <100000>;
> > - status = "disabled";
> > - interrupts = <12>;
> > - pinctrl-names = "default";
> > - pinctrl-0 = <&pinctrl_i2c13_default>;
> > - };
> -
> > > - i2c13: i2c-bus at 480 {
> > - #address-cells = <1>;
> > - #size-cells = <0>;
> > - reg = <0x480 0x40>;
> > - compatible = "aspeed,ast2400-i2c-bus";
> > - bus = <13>;
> > - clock-frequency = <100000>;
> > - status = "disabled";
> > - interrupts = <13>;
> > - /* Does not need pinctrl node */
> > - };
> -
> > };
>
> +
> > };
> > };
> };
> +
> +&i2c {
> > > + i2c_ic: interrupt-controller at 0 {
> > + #interrupt-cells = <1>;
> > + compatible = "aspeed,ast2400-i2c-ic";
> > + reg = <0x0 0x40>;
> > + interrupts = <12>;
> > + interrupt-controller;
> > + };
> +
> > > + i2c0: i2c-bus at 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 at 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 at 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>;
> > + status = "disabled";
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_i2c3_default>;
> > + };
> +
> > > + i2c3: i2c-bus at 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 at 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 at 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 at 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 at 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 at 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 at 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 at 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 at 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 at 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 at 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";
> > + };
> +};
> diff --git a/arch/arm/boot/dts/aspeed-g5.dtsi b/arch/arm/boot/dts/aspeed-g5.dtsi
> index ddfb729bb85a..905edd7b83ae 100644
> --- a/arch/arm/boot/dts/aspeed-g5.dtsi
> +++ b/arch/arm/boot/dts/aspeed-g5.dtsi
> @@ -18,6 +18,23 @@
> > };
> > };
>
> > + 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;
> > + };
> +
> > ahb {
> > compatible = "simple-bus";
> > #address-cells = <1>;
> @@ -1149,199 +1166,243 @@
> > };
>
> > > i2c: i2c at 1e78a000 {
> > + compatible = "simple-bus";
> > #address-cells = <1>;
> > #size-cells = <1>;
> > - #interrupt-cells = <1>;
> -
> > - compatible = "aspeed,ast2400-i2c-controller";
> > - reg = <0x1e78a000 0x40>;
> > ranges = <0 0x1e78a000 0x1000>;
> > - interrupts = <12>;
> > - clocks = <&clk_apb>;
> > - clock-ranges;
> > - interrupt-controller;
> -
> > > - i2c0: i2c-bus at 40 {
> > - #address-cells = <1>;
> > - #size-cells = <0>;
> > - reg = <0x40 0x40>;
> > - compatible = "aspeed,ast2400-i2c-bus";
> > - bus = <0>;
> > - clock-frequency = <100000>;
> > - status = "disabled";
> > - interrupts = <0>;
> > - interrupt-parent = <&i2c>;
> > - };
> -
> > > - i2c1: i2c-bus at 80 {
> > - #address-cells = <1>;
> > - #size-cells = <0>;
> > - reg = <0x80 0x40>;
> > - compatible = "aspeed,ast2400-i2c-bus";
> > - bus = <1>;
> > - clock-frequency = <100000>;
> > - status = "disabled";
> > - interrupts = <1>;
> > - };
> -
> > > - i2c2: i2c-bus at c0 {
> > - #address-cells = <1>;
> > - #size-cells = <0>;
> > - reg = <0xC0 0x40>;
> > - compatible = "aspeed,ast2400-i2c-bus";
> > - bus = <2>;
> > - clock-frequency = <100000>;
> > - status = "disabled";
> > - interrupts = <2>;
> > - pinctrl-names = "default";
> > - pinctrl-0 = <&pinctrl_i2c3_default>;
> > - };
> -
> > > - i2c3: i2c-bus at 100 {
> > - #address-cells = <1>;
> > - #size-cells = <0>;
> > - reg = <0x100 0x40>;
> > - compatible = "aspeed,ast2400-i2c-bus";
> > - bus = <3>;
> > - clock-frequency = <100000>;
> > - status = "disabled";
> > - interrupts = <3>;
> > - pinctrl-names = "default";
> > - pinctrl-0 = <&pinctrl_i2c4_default>;
> > - };
> -
> > > - i2c4: i2c-bus at 140 {
> > - #address-cells = <1>;
> > - #size-cells = <0>;
> > - reg = <0x140 0x40>;
> > - compatible = "aspeed,ast2400-i2c-bus";
> > - bus = <4>;
> > - clock-frequency = <100000>;
> > - status = "disabled";
> > - interrupts = <4>;
> > - pinctrl-names = "default";
> > - pinctrl-0 = <&pinctrl_i2c5_default>;
> > - };
> -
> > > - i2c5: i2c-bus at 180 {
> > - #address-cells = <1>;
> > - #size-cells = <0>;
> > - reg = <0x180 0x40>;
> > - compatible = "aspeed,ast2400-i2c-bus";
> > - bus = <5>;
> > - clock-frequency = <100000>;
> > - status = "disabled";
> > - interrupts = <5>;
> > - pinctrl-names = "default";
> > - pinctrl-0 = <&pinctrl_i2c6_default>;
> > - };
> -
> > > - i2c6: i2c-bus at 1c0 {
> > - #address-cells = <1>;
> > - #size-cells = <0>;
> > - reg = <0x1C0 0x40>;
> > - compatible = "aspeed,ast2400-i2c-bus";
> > - bus = <6>;
> > - clock-frequency = <100000>;
> > - status = "disabled";
> > - interrupts = <6>;
> > - pinctrl-names = "default";
> > - pinctrl-0 = <&pinctrl_i2c7_default>;
> > - };
> -
> > > - i2c7: i2c-bus at 300 {
> > - #address-cells = <1>;
> > - #size-cells = <0>;
> > - reg = <0x300 0x40>;
> > - compatible = "aspeed,ast2400-i2c-bus";
> > - bus = <7>;
> > - clock-frequency = <100000>;
> > - status = "disabled";
> > - interrupts = <7>;
> > - pinctrl-names = "default";
> > - pinctrl-0 = <&pinctrl_i2c8_default>;
> > - };
> -
> > > - i2c8: i2c-bus at 340 {
> > - #address-cells = <1>;
> > - #size-cells = <0>;
> > - reg = <0x340 0x40>;
> > - compatible = "aspeed,ast2400-i2c-bus";
> > - bus = <8>;
> > - clock-frequency = <100000>;
> > - status = "disabled";
> > - interrupts = <8>;
> > - pinctrl-names = "default";
> > - pinctrl-0 = <&pinctrl_i2c9_default>;
> > - };
> -
> > > - i2c9: i2c-bus at 380 {
> > - #address-cells = <1>;
> > - #size-cells = <0>;
> > - reg = <0x380 0x40>;
> > - compatible = "aspeed,ast2400-i2c-bus";
> > - bus = <9>;
> > - clock-frequency = <100000>;
> > - status = "disabled";
> > - interrupts = <9>;
> > - pinctrl-names = "default";
> > - pinctrl-0 = <&pinctrl_i2c10_default>;
> > - };
> -
> > > - i2c10: i2c-bus at 3c0 {
> > - #address-cells = <1>;
> > - #size-cells = <0>;
> > - reg = <0x3c0 0x40>;
> > - compatible = "aspeed,ast2400-i2c-bus";
> > - bus = <10>;
> > - clock-frequency = <100000>;
> > - status = "disabled";
> > - interrupts = <10>;
> > - pinctrl-names = "default";
> > - pinctrl-0 = <&pinctrl_i2c11_default>;
> > - };
> -
> > > - i2c11: i2c-bus at 400 {
> > - #address-cells = <1>;
> > - #size-cells = <0>;
> > - reg = <0x400 0x40>;
> > - compatible = "aspeed,ast2400-i2c-bus";
> > - bus = <11>;
> > - clock-frequency = <100000>;
> > - status = "disabled";
> > - interrupts = <11>;
> > - pinctrl-names = "default";
> > - pinctrl-0 = <&pinctrl_i2c12_default>;
> > - };
> -
> > > - i2c12: i2c-bus at 440 {
> > - #address-cells = <1>;
> > - #size-cells = <0>;
> > - reg = <0x440 0x40>;
> > - compatible = "aspeed,ast2400-i2c-bus";
> > - bus = <12>;
> > - clock-frequency = <100000>;
> > - status = "disabled";
> > - interrupts = <12>;
> > - pinctrl-names = "default";
> > - pinctrl-0 = <&pinctrl_i2c13_default>;
> > - };
> -
> > > - i2c13: i2c-bus at 480 {
> > - #address-cells = <1>;
> > - #size-cells = <0>;
> > - reg = <0x480 0x40>;
> > - compatible = "aspeed,ast2400-i2c-bus";
> > - bus = <13>;
> > - clock-frequency = <100000>;
> > - status = "disabled";
> > - interrupts = <13>;
> > - pinctrl-names = "default";
> > - pinctrl-0 = <&pinctrl_i2c14_default>;
> > - };
> -
> > };
> -
> > };
> > };
> };
> +
> +&i2c {
> > > + i2c_ic: interrupt-controller at 0 {
> > + #interrupt-cells = <1>;
> > + compatible = "aspeed,ast2500-i2c-ic";
> > + reg = <0x0 0x40>;
> > + interrupts = <12>;
> > + interrupt-controller;
> > + };
> +
> > > + i2c0: i2c-bus at 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 at 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 at 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 at 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 at 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 at 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 at 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 at 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 at 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 at 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 at 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 at 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 at 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 at 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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