On Thu, Sep 11, 2014 at 12:07:45PM +0530, Mugunthan V N wrote:
> On Wednesday 10 September 2014 07:20 PM, Nishanth Menon wrote:
> > On 09/10/2014 08:37 AM, Mugunthan V N wrote:
> >> Add CPSW and MDIO related device tree data for DRA7XX and made as status
> >> disabled. Phy-id, pinmux for active and sleep state needs to be added in
> >> board dts files and enable the CPSW device.
> >>
> >> Signed-off-by: Mugunthan V N <mugunthan...@ti.com>
> >> ---
> >> arch/arm/boot/dts/dra7.dtsi | 59
> >> +++++++++++++++++++++++++++++++++++++++++++++
> >> 1 file changed, 59 insertions(+)
> >>
> >> diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi
> >> index d678152..8d79321 100644
> >> --- a/arch/arm/boot/dts/dra7.dtsi
> >> +++ b/arch/arm/boot/dts/dra7.dtsi
> >> @@ -34,6 +34,8 @@
> >> serial3 = &uart4;
> >> serial4 = &uart5;
> >> serial5 = &uart6;
> >> + ethernet0 = &cpsw_emac0;
> >> + ethernet1 = &cpsw_emac1;
> >
> > should this rather be in board dts?
>
> This should be here as the MAC address is filled in uboot with ethernet0
> and ethernet1, moving this to dts, the ordering of the ethernet can go
> for toss when they have other ethernet devices other than cpsw.
>
> >
> >> };
> >>
> >> timer {
> >> @@ -1262,6 +1264,63 @@
> >> ti,irqs-skip = <10 133 139 140>;
> >> ti,irqs-safe-map = <0>;
> >> };
> >> +
> >> + mac: ethernet@4a100000 {
> >> + compatible = "ti,cpsw";
> >> + ti,hwmods = "gmac";
> >> + cpdma_channels = <8>;
> >> + ale_entries = <1024>;
> >> + bd_ram_size = <0x2000>;
> >> + no_bd_ram = <0>;
> >> + rx_descs = <64>;
> >> + mac_control = <0x20>;
> >> + slaves = <2>;
> >> + active_slave = <0>;
> >> + cpts_clock_mult = <0x80000000>;
> >> + cpts_clock_shift = <29>;
> >> + reg = <0x48484000 0x1000
> >> + 0x48485200 0x2E00>;
> >> + #address-cells = <1>;
> >> + #size-cells = <1>;
> >> + /*
> >> + * rx_thresh_pend
> >> + * rx_pend
> >> + * tx_pend
> >> + * misc_pend
> >> + */
> >> + interrupts = <GIC_SPI 334 IRQ_TYPE_LEVEL_HIGH>,
> >> + <GIC_SPI 335 IRQ_TYPE_LEVEL_HIGH>,
> >> + <GIC_SPI 336 IRQ_TYPE_LEVEL_HIGH>,
> >> + <GIC_SPI 337 IRQ_TYPE_LEVEL_HIGH>;
> >> + ranges;
> >> + status = "disabled";
> >> +
> >> + davinci_mdio: mdio@48485000 {
> >> + compatible = "ti,davinci_mdio";
> >> + #address-cells = <1>;
> >> + #size-cells = <0>;
> >> + ti,hwmods = "davinci_mdio";
> >> + bus_freq = <1000000>;
> >> + reg = <0x48485000 0x100>;
> >> + };
> >> +
> >> + cpsw_emac0: slave@48480200 {
> >> + /* Filled in by U-Boot */
> >> + mac-address = [ 00 00 00 00 00 00 ];
> >
> > should be disabled? what about platforms that do not have both emac ports?
>
> the mac node is already disabled, so platforms which doesn't have emac
> should not enable this which in-turn emac node will be disabled.
I have the mac but I don't want to use both ports on the 2 port switch.
In fact in our case ethernet1 is a pru_eth interface. Can a board dts
override the alias for ethernet1 or is that a syntax error? I don't
think I tried that yet.
--
Len Sorensen
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