[PATCH 3/8] ARM: dts: aspeed: Add I2C buses
Brendan Higgins
brendanhiggins at google.com
Thu Sep 28 11:35:33 PDT 2017
On Thu, Sep 28, 2017 at 12:51 AM, Joel Stanley <joel at jms.id.au> wrote:
> 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.
>
> Signed-off-by: Joel Stanley <joel at jms.id.au>
> ---
Reviewed-by: Brendan Higgins <brendanhiggins at google.com>
nit: can we make the i2c labels and the pinctrl labels match?
For example:
> +
> + 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";
> + };
"i2c13" has a pinctrl-0 of "pinctrl_i2c14_default"
I know that pinctrl_i2c14_default is consistent with the function and
groups it uses, but I would like to see them all be consistent at some
point in the future.
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