Re: [PATCH 1/1] ARM: dts: am437x-gp-evm: Add ethernet support for GP EVM

From: Mugunthan V N
Date: Thu May 15 2014 - 07:34:57 EST


On Tuesday 13 May 2014 10:50 PM, Tony Lindgren wrote:
> * Mugunthan V N <mugunthanvnm@xxxxxx> [140507 02:31]:
>> Add CPSW ethernet support for AM437x GP EVM which has one slave pinned out
>>
>> Signed-off-by: Mugunthan V N <mugunthanvnm@xxxxxx>
>> ---
>> arch/arm/boot/dts/am437x-gp-evm.dts | 72 +++++++++++++++++++++++++++++++++++++
>> 1 file changed, 72 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts
>> index 2e0c636..30ace1b 100644
>> --- a/arch/arm/boot/dts/am437x-gp-evm.dts
>> +++ b/arch/arm/boot/dts/am437x-gp-evm.dts
>> @@ -98,6 +98,58 @@
>> 0x264 (PIN_INPUT_PULLUP | MUX_MODE7) /* spi2_d0.gpio3_22 */
>> >;
>> };
>> +
>> + cpsw_default: cpsw_default {
>> + pinctrl-single,pins = <
>> + /* Slave 1 */
>> + 0x114 (PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mii1_txen.rgmii1_txen */
>> + 0x118 (PIN_INPUT_PULLDOWN | MUX_MODE2) /* mii1_rxdv.rgmii1_rxctl */
>> + 0x11c (PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mii1_txd1.rgmii1_txd3 */
>> + 0x120 (PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mii1_txd0.rgmii1_txd2 */
>> + 0x124 (PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mii1_txd1.rgmii1_txd1 */
>> + 0x128 (PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mii1_txd0.rgmii1_txd0 */
>> + 0x12c (PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mii1_txclk.rmii1_tclk */
>> + 0x130 (PIN_INPUT_PULLDOWN | MUX_MODE2) /* mii1_rxclk.rmii1_rclk */
>> + 0x134 (PIN_INPUT_PULLDOWN | MUX_MODE2) /* mii1_rxd1.rgmii1_rxd3 */
>> + 0x138 (PIN_INPUT_PULLDOWN | MUX_MODE2) /* mii1_rxd0.rgmii1_rxd2 */
>> + 0x13c (PIN_INPUT_PULLDOWN | MUX_MODE2) /* mii1_rxd1.rgmii1_rxd1 */
>> + 0x140 (PIN_INPUT_PULLDOWN | MUX_MODE2) /* mii1_rxd0.rgmii1_rxd0 */
>> + >;
>> + };
>> +
>> + cpsw_sleep: cpsw_sleep {
>> + pinctrl-single,pins = <
>> + /* Slave 1 reset value */
>> + 0x114 (PIN_INPUT_PULLDOWN | MUX_MODE7)
>> + 0x118 (PIN_INPUT_PULLDOWN | MUX_MODE7)
>> + 0x11c (PIN_INPUT_PULLDOWN | MUX_MODE7)
>> + 0x120 (PIN_INPUT_PULLDOWN | MUX_MODE7)
>> + 0x124 (PIN_INPUT_PULLDOWN | MUX_MODE7)
>> + 0x128 (PIN_INPUT_PULLDOWN | MUX_MODE7)
>> + 0x12c (PIN_INPUT_PULLDOWN | MUX_MODE7)
>> + 0x130 (PIN_INPUT_PULLDOWN | MUX_MODE7)
>> + 0x134 (PIN_INPUT_PULLDOWN | MUX_MODE7)
>> + 0x138 (PIN_INPUT_PULLDOWN | MUX_MODE7)
>> + 0x13c (PIN_INPUT_PULLDOWN | MUX_MODE7)
>> + 0x140 (PIN_INPUT_PULLDOWN | MUX_MODE7)
>> + >;
>> + };
> Just a nitpick comment to make things more readable. Can you please add
> the comments for these pins too so people can cross check them against
> the documentation easier?
>
>> + davinci_mdio_default: davinci_mdio_default {
>> + pinctrl-single,pins = <
>> + /* MDIO */
>> + 0x148 (PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0) /* mdio_data.mdio_data */
>> + 0x14c (PIN_OUTPUT_PULLUP | MUX_MODE0) /* mdio_clk.mdio_clk */
>> + >;
>> + };
>> +
>> + davinci_mdio_sleep: davinci_mdio_sleep {
>> + pinctrl-single,pins = <
>> + /* MDIO reset value */
>> + 0x148 (PIN_INPUT_PULLDOWN | MUX_MODE7)
>> + 0x14c (PIN_INPUT_PULLDOWN | MUX_MODE7)
>> + >;
>> + };
>> };
> And here too please.
>
>

Will add the comments and post the patch again

Regards
Mugunthan V N
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