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Date:	Wed, 10 Sep 2014 08:56:35 -0500
From:	Nishanth Menon <nm@...com>
To:	Mugunthan V N <mugunthanvnm@...com>, <bcousson@...libre.com>,
	<tony@...mide.com>
CC:	<devicetree@...r.kernel.org>, <linux-omap@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 2/2] ARM: dts: dra7-evm: Enable CPSW and MDIO for dra7xx
 EVM

On 09/10/2014 08:37 AM, Mugunthan V N wrote:
> Adding CPSW phy-id, CPSW and MDIO pinmux configuration for active and
> sleep states and enable them in board evm dts file.
> 
> Signed-off-by: Mugunthan V N <mugunthanvnm@...com>
> ---
>  arch/arm/boot/dts/dra7-evm.dts | 107 +++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 107 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/dra7-evm.dts b/arch/arm/boot/dts/dra7-evm.dts
> index 50f8022..e5c4e33 100644
> --- a/arch/arm/boot/dts/dra7-evm.dts
> +++ b/arch/arm/boot/dts/dra7-evm.dts
> @@ -151,6 +151,87 @@
>  			0xd0	(PIN_OUTPUT | MUX_MODE0)	/* gpmc_be0n_cle */
>  		>;
>  	};
> +
> +	cpsw_default: cpsw_default {
> +		pinctrl-single,pins = <
> +			/* Slave 1 */
> +			0x250 (PIN_OUTPUT | MUX_MODE0)	/* rgmii1_tclk */
> +			0x254 (PIN_OUTPUT | MUX_MODE0)	/* rgmii1_tctl */
> +			0x258 (PIN_OUTPUT | MUX_MODE0)	/* rgmii1_td3 */
> +			0x25c (PIN_OUTPUT | MUX_MODE0)	/* rgmii1_td2 */
> +			0x260 (PIN_OUTPUT | MUX_MODE0)	/* rgmii1_td1 */
> +			0x264 (PIN_OUTPUT | MUX_MODE0)	/* rgmii1_td0 */
> +			0x268 (PIN_INPUT | MUX_MODE0)	/* rgmii1_rclk */
> +			0x26c (PIN_INPUT | MUX_MODE0)	/* rgmii1_rctl */
> +			0x270 (PIN_INPUT | MUX_MODE0)	/* rgmii1_rd3 */
> +			0x274 (PIN_INPUT | MUX_MODE0)	/* rgmii1_rd2 */
> +			0x278 (PIN_INPUT | MUX_MODE0)	/* rgmii1_rd1 */
> +			0x27c (PIN_INPUT | MUX_MODE0)	/* rgmii1_rd0 */

Cant we do this based on emac0 and emac1?

> +
> +			/* Slave 2 */
> +			0x198 (PIN_OUTPUT | MUX_MODE3)	/* rgmii2_tclk */

NAK. reason comment style -> we use the style:
 /* mode0_name.mode3_name */

> +			0x19c (PIN_OUTPUT | MUX_MODE3)	/* rgmii2_tctl */
> +			0x1a0 (PIN_OUTPUT | MUX_MODE3)	/* rgmii2_td3 */
> +			0x1a4 (PIN_OUTPUT | MUX_MODE3)	/* rgmii2_td2 */
> +			0x1a8 (PIN_OUTPUT | MUX_MODE3)	/* rgmii2_td1 */
> +			0x1ac (PIN_OUTPUT | MUX_MODE3)	/* rgmii2_td0 */
> +			0x1b0 (PIN_INPUT | MUX_MODE3)	/* rgmii2_rclk */
> +			0x1b4 (PIN_INPUT | MUX_MODE3)	/* rgmii2_rctl */
> +			0x1b8 (PIN_INPUT | MUX_MODE3)	/* rgmii2_rd3 */
> +			0x1bc (PIN_INPUT | MUX_MODE3)	/* rgmii2_rd2 */
> +			0x1c0 (PIN_INPUT | MUX_MODE3)	/* rgmii2_rd1 */
> +			0x1c4 (PIN_INPUT | MUX_MODE3)	/* rgmii2_rd0 */
> +		>;
> +
> +	};
> +
> +	cpsw_sleep: cpsw_sleep {
> +		pinctrl-single,pins = <
> +			/* Slave 1 */
> +			0x250 (MUX_MODE15)
> +			0x254 (MUX_MODE15)
> +			0x258 (MUX_MODE15)
> +			0x25c (MUX_MODE15)
> +			0x260 (MUX_MODE15)
> +			0x264 (MUX_MODE15)
> +			0x268 (MUX_MODE15)
> +			0x26c (MUX_MODE15)
> +			0x270 (MUX_MODE15)
> +			0x274 (MUX_MODE15)
> +			0x278 (MUX_MODE15)
> +			0x27c (MUX_MODE15)
> +
> +			/* Slave 1 */
^^ Slave 1?
> +			0x198 (MUX_MODE15)
> +			0x19c (MUX_MODE15)
> +			0x1a0 (MUX_MODE15)
> +			0x1a4 (MUX_MODE15)
> +			0x1a8 (MUX_MODE15)
> +			0x1ac (MUX_MODE15)
> +			0x1b0 (MUX_MODE15)
> +			0x1b4 (MUX_MODE15)
> +			0x1b8 (MUX_MODE15)
> +			0x1bc (MUX_MODE15)
> +			0x1c0 (MUX_MODE15)
> +			0x1c4 (MUX_MODE15)
> +		>;
> +	};
> +
> +	davinci_mdio_default: davinci_mdio_default {
> +		pinctrl-single,pins = <
> +			/* MDIO */
^^ you can drop the comment. it is redundant.
> +			0x23c (PIN_OUTPUT_PULLUP | MUX_MODE0)	/* mdio_data */
> +			0x240 (PIN_INPUT_PULLUP | MUX_MODE0)	/* mdio_clk */
> +		>;
> +	};
> +
> +	davinci_mdio_sleep: davinci_mdio_sleep {
> +		pinctrl-single,pins = <
> +			0x23c (MUX_MODE15)
> +			0x240 (MUX_MODE15)
> +		>;
> +	};
> +
>  };
>  
>  &i2c1 {
> @@ -504,3 +585,29 @@
>  &usb2_phy2 {
>  	phy-supply = <&ldousb_reg>;
>  };
> +
> +&mac {
> +	status = "okay";
> +	pinctrl-names = "default", "sleep";
> +	pinctrl-0 = <&cpsw_default>;
> +	pinctrl-1 = <&cpsw_sleep>;
> +	dual_emac;
> +};
> +
> +&cpsw_emac0 {
> +	phy_id = <&davinci_mdio>, <2>;
> +	phy-mode = "rgmii";
> +	dual_emac_res_vlan = <1>;
> +};
> +
> +&cpsw_emac1 {
> +	phy_id = <&davinci_mdio>, <3>;
> +	phy-mode = "rgmii";
> +	dual_emac_res_vlan = <2>;
> +};
> +
> +&davinci_mdio {
> +	pinctrl-names = "default", "sleep";
> +	pinctrl-0 = <&davinci_mdio_default>;
> +	pinctrl-1 = <&davinci_mdio_sleep>;
> +};
> 


-- 
Regards,
Nishanth Menon
--
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