[PATCH 4/5] ARM: dts: aspeed: zaius: Use I2C buses and muxes

[Joel Stanley]

On Thu, Oct 13, 2016 at 9:44 AM, Xo Wang <xow at google.com> wrote:
> Enable I2C buses on Zaius that have devices attached and add bindings
> for muxed I2C buses.
>
> Signed-off-by: Xo Wang <xow at google.com>

Reviewed-by: Joel Stanley <joel at jms.id.au>


> ---
>  arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts | 22 ++++++++++++++++++----
>  1 file changed, 18 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts b/arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts
> index cc2e84b..8c3912a 100644
> --- a/arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts
> +++ b/arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts
> @@ -102,7 +102,14 @@
>  };
>
>  &i2c1 {
> -       status = "disabled";
> +       status = "okay";
> +
> +       i2c-switch at 71 {
> +               compatible = "nxp,pca9546";
> +               reg = <0x71>;
> +               #address-cells = <1>;
> +               #size-cells = <0>;
> +       };
>
>         /* MUX1 PCA9546A @71h
>          *   PCIe 0
> @@ -125,7 +132,14 @@
>  };
>
>  &i2c4 {
> -       status = "disabled";
> +       status = "okay";
> +
> +       i2c-switch at 71 {
> +               compatible = "nxp,pca9546";
> +               reg = <0x71>;
> +               #address-cells = <1>;
> +               #size-cells = <0>;
> +       };
>
>         /* MUX1 PCA9546A @71h
>          *   PCIe 3
> @@ -153,7 +167,7 @@
>  };
>
>  &i2c7 {
> -       status = "disabled";
> +       status = "okay";
>
>         /* MUX PCA9541A (other master: CPU0 PCIe 1)
>          *   ADM1272 PMBUS @10h
> @@ -167,7 +181,7 @@
>  };
>
>  &i2c8 {
> -       status = "disabled";
> +       status = "okay";
>
>         /* CPU1 VR ISL68137 0.7V, 0.96V PMBUS @65h */
>         /* CPU1 VR ISL68137 1.2V CH03 PMBUS @44h */
> --
> 2.8.0.rc3.226.g39d4020
>
> _______________________________________________
> openbmc mailing list
> openbmc at lists.ozlabs.org
> https://lists.ozlabs.org/listinfo/openbmc