[PATCH] ARM: dts: omap3-igep0020: Add SMSC911x LAN chip support

[Javier Martinez Canillas]

On Wed, Apr 17, 2013 at 6:32 PM, Javier Martinez Canillas
<javier.martinez at collabora.co.uk> wrote:
> The IGEPv2 board has an SMSC LAN9221i ethernet chip connected to
> the OMAP3 processor though the General-Purpose Memory Controller.
>
> This patch adds a device node for the ethernet chip as a GPMC child
> and all its dependencies (regulators, GPIO and pin muxs).
>
> Signed-off-by: Javier Martinez Canillas <javier.martinez at collabora.co.uk>
> ---
>  arch/arm/boot/dts/omap3-igep.dtsi    |    6 ++++
>  arch/arm/boot/dts/omap3-igep0020.dts |   53 ++++++++++++++++++++++++++++++++++
>  2 files changed, 59 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/boot/dts/omap3-igep.dtsi b/arch/arm/boot/dts/omap3-igep.dtsi
> index f8fe3b7..d5cd504 100644
> --- a/arch/arm/boot/dts/omap3-igep.dtsi
> +++ b/arch/arm/boot/dts/omap3-igep.dtsi
> @@ -62,6 +62,12 @@
>                         0x126 0x0100    /* sdmmc1_dat7.sdmmc1_dat7 INPUT | MODE 0 */
>                 >;
>         };
> +
> +       smsc911x_pins: pinmux_smsc911x_pins {
> +               pinctrl-single,pins = <
> +                        0x1a2 0x0104    /* mcspi1_cs2.gpio_176 INPUT | MODE4 */
> +               >;
> +       };
>  };
>
>  &i2c1 {
> diff --git a/arch/arm/boot/dts/omap3-igep0020.dts b/arch/arm/boot/dts/omap3-igep0020.dts
> index e2b9849..4bac32e 100644
> --- a/arch/arm/boot/dts/omap3-igep0020.dts
> +++ b/arch/arm/boot/dts/omap3-igep0020.dts
> @@ -40,6 +40,18 @@
>                         gpios = <&twl_gpio 19 1>;
>                 };
>         };
> +
> +       vddvario: regulator-vddvario {
> +                 compatible = "regulator-fixed";
> +                 regulator-name = "vddvario";
> +                 regulator-always-on;
> +       };
> +
> +       vdd33a: regulator-vdd33a {
> +               compatible = "regulator-fixed";
> +               regulator-name = "vdd33a";
> +               regulator-always-on;
> +       };
>  };
>
>  &i2c3 {
> @@ -54,3 +66,44 @@
>                 reg = <0x50>;
>         };
>  };
> +
> +&gpmc {
> +       ranges = <5 0 0x2c000000 0x1000000>;
> +       ethernet at 5,0 {
> +               pinctrl-names = "default";
> +               pinctrl-0 = <&smsc911x_pins>;
> +               compatible = "smsc,lan9221", "smsc,lan9115";
> +               reg = <5 0 0xff>;
> +               bank-width = <2>;
> +
> +               gpmc,mux-add-data;
> +               gpmc,cs-on-ns = <0>;
> +               gpmc,cs-rd-off-ns = <186>;
> +               gpmc,cs-wr-off-ns = <186>;
> +               gpmc,adv-on-ns = <12>;
> +               gpmc,adv-rd-off-ns = <48>;
> +               gpmc,adv-wr-off-ns = <48>;
> +               gpmc,oe-on-ns = <54>;
> +               gpmc,oe-off-ns = <168>;
> +               gpmc,we-on-ns = <54>;
> +               gpmc,we-off-ns = <168>;
> +               gpmc,rd-cycle-ns = <186>;
> +               gpmc,wr-cycle-ns = <186>;
> +               gpmc,access-ns = <114>;
> +               gpmc,page-burst-access-ns = <6>;
> +               gpmc,bus-turnaround-ns = <12>;
> +               gpmc,cycle2cycle-delay-ns = <18>;
> +               gpmc,wr-data-mux-bus-ns = <90>;
> +               gpmc,wr-access-ns = <186>;
> +               gpmc,cycle2cycle-samecsen;
> +               gpmc,cycle2cycle-diffcsen;
> +
> +               interrupt-parent = <&gpio6>;
> +               interrupts = <16 8>;
> +               vmmc-supply = <&vddvario>;
> +               vmmc_aux-supply = <&vdd33a>;
> +               reg-io-width = <4>;
> +
> +               smsc,save-mac-address;
> +       };
> +};
> --
> 1.7.7.6
>
> --

Hi Benoit,

Any comments on this patch?

Thanks a lot and best regards,
Javier