[PATCH 1/2] ARM: mx28: Add SPI pinmux into imx28.dtsi

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4 messages, 2 authors, 2012-08-24 · open the first message on its own page

[PATCH 1/2] ARM: mx28: Add SPI pinmux into imx28.dtsi

From: marex@denx.de (Marek Vasut)
Date: 2012-08-24 03:25:41 

Add this SSP pin multiplexing configuration into the imx28.dtsi file.
This covers pinmux for all four SSP ports available on the i.MX28.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Chris Ball <redacted>
Cc: Fabio Estevam <redacted>
Cc: Mark Brown <redacted>
Cc: Shawn Guo <redacted>
---
 arch/arm/boot/dts/imx28.dtsi |   61 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)

NOTE: Shawn, I'd like to add this altogether. I have a board scheduled in my
      queue that uses other SSP ports, so I consider it pointless to split this.
      Fabio, what does MX28EVK use?

diff --git a/arch/arm/boot/dts/imx28.dtsi b/arch/arm/boot/dts/imx28.dtsi
index 91b43e9..327a33f 100644
--- a/arch/arm/boot/dts/imx28.dtsi
+++ b/arch/arm/boot/dts/imx28.dtsi
@@ -507,6 +507,67 @@
 					fsl,voltage = <1>;
 					fsl,pull-up = <0>;
 				};
+
+				spi0_pins_a: spi0 at 0 {
+					reg = <0>;
+					fsl,pinmux-ids = <
+						0x2000 /* MX28_PAD_SSP0_DATA0__SSP0_D0 */
+						0x2010 /* MX28_PAD_SSP0_DATA1__SSP0_D1 */
+						0x2020 /* MX28_PAD_SSP0_DATA2__SSP0_D2 */
+						0x2030 /* MX28_PAD_SSP0_DATA3__SSP0_D3 */
+						0x2040 /* MX28_PAD_SSP0_DATA4__SSP0_D4 */
+						0x2050 /* MX28_PAD_SSP0_DATA5__SSP0_D5 */
+						0x2060 /* MX28_PAD_SSP0_DATA6__SSP0_D6 */
+						0x2070 /* MX28_PAD_SSP0_DATA7__SSP0_D7 */
+						0x2080 /* MX28_PAD_SSP0_CMD__SSP0_CMD */
+						0x2090 /* MX28_PAD_SSP0_DETECT__SSP0_CARD_DETECT */
+						0x20a0 /* MX28_PAD_SSP0_SCK__SSP0_SCK */
+					>;
+					fsl,drive-strength = <1>;
+					fsl,voltage = <1>;
+					fsl,pull-up = <1>;
+				};
+
+				spi1_pins_a: spi1 at 0 {
+					reg = <0>;
+					fsl,pinmux-ids = <
+						0x20c0 /* MX28_PAD_SSP1_SCK__SSP1_SCK */
+						0x20d0 /* MX28_PAD_SSP1_CMD__SSP1_CMD */
+						0x20e0 /* MX28_PAD_SSP1_DATA0__SSP1_D0 */
+						0x20f0 /* MX28_PAD_SSP1_DATA3__SSP1_D3 */
+					>;
+					fsl,drive-strength = <1>;
+					fsl,voltage = <1>;
+					fsl,pull-up = <1>;
+				};
+
+				spi2_pins_a: spi2 at 0 {
+					reg = <0>;
+					fsl,pinmux-ids = <
+						0x2100 /* MX28_PAD_SSP2_SCK__SSP2_SCK */
+						0x2110 /* MX28_PAD_SSP2_MOSI__SSP2_CMD */
+						0x2120 /* MX28_PAD_SSP2_MISO__SSP2_D0 */
+						0x2130 /* MX28_PAD_SSP2_SS0__SSP2_D3 */
+						0x2140 /* MX28_PAD_SSP2_SS1__SSP2_D4 */
+						0x2150 /* MX28_PAD_SSP2_SS2__SSP2_D5 */
+					>;
+					fsl,drive-strength = <1>;
+					fsl,voltage = <1>;
+					fsl,pull-up = <1>;
+				};
+
+				spi3_pins_a: spi3 at 0 {
+					reg = <0>;
+					fsl,pinmux-ids = <
+						0x2180 /* MX28_PAD_SSP3_SCK__SSP3_SCK */
+						0x2190 /* MX28_PAD_SSP3_MOSI__SSP3_CMD */
+						0x21a0 /* MX28_PAD_SSP3_MISO__SSP3_D0 */
+						0x21b0 /* MX28_PAD_SSP3_SS0__SSP3_D3 */
+					>;
+					fsl,drive-strength = <1>;
+					fsl,voltage = <1>;
+					fsl,pull-up = <1>;
+				};
 			};
 
 			digctl at 8001c000 {
-- 
1.7.10.4

[PATCH 2/2] ARM: mxs: Update DENX M28 machine and dts file

From: marex@denx.de (Marek Vasut)
Date: 2012-08-24 03:25:42 

Update the mach-mxs machine by removing the enet_clkout(). The new
revision of the board doesn't need that. Also, update the DTS file
with all the new drivers pulled in the mainline recently, that is,
SPI, LRADC, USB. Also, remove bogus AUART3.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Chris Ball <redacted>
Cc: Fabio Estevam <redacted>
Cc: Mark Brown <redacted>
Cc: Shawn Guo <redacted>
---
 arch/arm/boot/dts/imx28-m28evk.dts |   98 +++++++++++++++++++++++++++++++++---
 arch/arm/mach-mxs/mach-mxs.c       |    1 -
 2 files changed, 92 insertions(+), 7 deletions(-)

diff --git a/arch/arm/boot/dts/imx28-m28evk.dts b/arch/arm/boot/dts/imx28-m28evk.dts
index 183a3fd..e418b75 100644
--- a/arch/arm/boot/dts/imx28-m28evk.dts
+++ b/arch/arm/boot/dts/imx28-m28evk.dts
@@ -23,6 +23,8 @@
 	apb at 80000000 {
 		apbh at 80000000 {
 			gpmi-nand at 8000c000 {
+				#address-cells = <1>;
+				#size-cells = <1>;
 				pinctrl-names = "default";
 				pinctrl-0 = <&gpmi_pins_a &gpmi_status_cfg>;
 				status = "okay";
@@ -62,9 +64,28 @@
 					     &mmc0_sck_cfg>;
 				bus-width = <8>;
 				wp-gpios = <&gpio3 10 1>;
+				vmmc-supply = <&reg_vddio_sd0>;
 				status = "okay";
 			};
 
+			ssp2: ssp at 80014000 {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				compatible = "fsl,imx28-spi";
+				pinctrl-names = "default";
+				pinctrl-0 = <&spi2_pins_a>;
+				status = "okay";
+
+				flash: m25p80 at 0 {
+					#address-cells = <1>;
+					#size-cells = <1>;
+					compatible = "m25p80";
+					spi-max-frequency = <40000000>;
+					m25p,fast-read;
+					reg = <0>;
+				};
+			};
+
 			pinctrl at 80018000 {
 				pinctrl-names = "default";
 				pinctrl-0 = <&hog_pins_a>;
@@ -72,8 +93,11 @@
 				hog_pins_a: hog-gpios at 0 {
 					reg = <0>;
 					fsl,pinmux-ids = <
+						0x31c3 /* MX28_PAD_PWM3__GPIO_3_28 */
 						0x30a3 /* MX28_PAD_AUART2_CTS__GPIO_3_10 */
 						0x30b3 /* MX28_PAD_AUART2_RTS__GPIO_3_11 */
+						0x30c3 /* MX28_PAD_AUART3_RX__GPIO_3_12 */
+						0x30d3 /* MX28_PAD_AUART3_TX__GPIO_3_13 */
 					>;
 					fsl,drive-strength = <0>;
 					fsl,voltage = <1>;
@@ -90,6 +114,22 @@
 					fsl,voltage = <1>;
 					fsl,pull-up = <0>;
 				};
+
+				usb0_pins_a: usb0 at 0 {
+					reg = <0>;
+					fsl,pinmux-ids = <0x2152>;
+					fsl,drive-strength = <2>;
+					fsl,voltage = <1>;
+					fsl,pull-up = <0>;
+				};
+
+				usb1_pins_a: usb1 at 0 {
+					reg = <0>;
+					fsl,pinmux-ids = <0x2142>;
+					fsl,drive-strength = <2>;
+					fsl,voltage = <1>;
+					fsl,pull-up = <0>;
+				};
 			};
 
 			lcdif at 80030000 {
@@ -99,6 +139,10 @@
 				status = "okay";
 			};
 
+			lradc at 80050000 {
+				status = "okay";
+			};
+
 			can0: can at 80032000 {
 				pinctrl-names = "default";
 				pinctrl-0 = <&can0_pins_a>;
@@ -129,6 +173,7 @@
 			i2c0: i2c at 80058000 {
 				pinctrl-names = "default";
 				pinctrl-0 = <&i2c0_pins_a>;
+				clock-frequency = <400000>;
 				status = "okay";
 
 				sgtl5000: codec at 0a {
@@ -157,26 +202,41 @@
 				status = "okay";
 			};
 
-			auart0: serial at 8006a000 {
-				pinctrl-names = "default";
-				pinctrl-0 = <&auart0_2pins_a>;
+			usbphy0: usbphy at 8007c000 {
 				status = "okay";
 			};
 
-			auart3: serial at 80070000 {
+			usbphy1: usbphy at 8007e000 {
+				status = "okay";
+			};
+
+			auart0: serial at 8006a000 {
 				pinctrl-names = "default";
-				pinctrl-0 = <&auart3_pins_a>;
+				pinctrl-0 = <&auart0_2pins_a>;
 				status = "okay";
 			};
 		};
 	};
 
 	ahb at 80080000 {
+		usb0: usb at 80080000 {
+			vbus-supply = <&reg_usb0_vbus>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&usb0_pins_a>;
+			status = "okay";
+		};
+
+		usb1: usb at 80090000 {
+			vbus-supply = <&reg_usb1_vbus>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&usb1_pins_a>;
+			status = "okay";
+		};
+
 		mac0: ethernet at 800f0000 {
 			phy-mode = "rmii";
 			pinctrl-names = "default";
 			pinctrl-0 = <&mac0_pins_a>;
-			phy-reset-gpios = <&gpio3 11 0>;
 			status = "okay";
 		};
 
@@ -198,6 +258,32 @@
 			regulator-max-microvolt = <3300000>;
 			regulator-always-on;
 		};
+
+		reg_vddio_sd0: vddio-sd0 {
+			compatible = "regulator-fixed";
+			regulator-name = "vddio-sd0";
+			regulator-min-microvolt = <3300000>;
+			regulator-max-microvolt = <3300000>;
+			gpio = <&gpio3 28 0>;
+		};
+
+		reg_usb0_vbus: usb0_vbus {
+			compatible = "regulator-fixed";
+			regulator-name = "usb0_vbus";
+			regulator-min-microvolt = <5000000>;
+			regulator-max-microvolt = <5000000>;
+			gpio = <&gpio3 12 0>;
+			enable-active-low;
+		};
+
+		reg_usb1_vbus: usb1_vbus {
+			compatible = "regulator-fixed";
+			regulator-name = "usb1_vbus";
+			regulator-min-microvolt = <5000000>;
+			regulator-max-microvolt = <5000000>;
+			gpio = <&gpio3 13 0>;
+			enable-active-low;
+		};
 	};
 
 	sound {
diff --git a/arch/arm/mach-mxs/mach-mxs.c b/arch/arm/mach-mxs/mach-mxs.c
index 8dabfe8..5ac45a1 100644
--- a/arch/arm/mach-mxs/mach-mxs.c
+++ b/arch/arm/mach-mxs/mach-mxs.c
@@ -241,7 +241,6 @@ static void __init imx28_evk_init(void)
 
 static void __init m28evk_init(void)
 {
-	enable_clk_enet_out();
 	update_fec_mac_prop(OUI_DENX);
 
 	mxsfb_pdata.mode_list = m28evk_video_modes;
-- 
1.7.10.4

[PATCH 1/2] ARM: mx28: Add SPI pinmux into imx28.dtsi

From: Shawn Guo <hidden>
Date: 2012-08-24 08:00:55 

On Fri, Aug 24, 2012 at 05:25:41AM +0200, Marek Vasut wrote:
Add this SSP pin multiplexing configuration into the imx28.dtsi file.
This covers pinmux for all four SSP ports available on the i.MX28.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Chris Ball <redacted>
Cc: Fabio Estevam <redacted>
Cc: Mark Brown <redacted>
Cc: Shawn Guo <redacted>
---
 arch/arm/boot/dts/imx28.dtsi |   61 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)

NOTE: Shawn, I'd like to add this altogether. I have a board scheduled in my
      queue that uses other SSP ports, so I consider it pointless to split this.
No.  Please only add the one you're using and testing with.  I do not
want to have any unneeded and untested settings there.
quoted hunk
      Fabio, what does MX28EVK use?

diff --git a/arch/arm/boot/dts/imx28.dtsi b/arch/arm/boot/dts/imx28.dtsi
index 91b43e9..327a33f 100644
--- a/arch/arm/boot/dts/imx28.dtsi
+++ b/arch/arm/boot/dts/imx28.dtsi
@@ -507,6 +507,67 @@
 					fsl,voltage = <1>;
 					fsl,pull-up = <0>;
 				};
+
+				spi0_pins_a: spi0 at 0 {
+					reg = <0>;
+					fsl,pinmux-ids = <
+						0x2000 /* MX28_PAD_SSP0_DATA0__SSP0_D0 */
+						0x2010 /* MX28_PAD_SSP0_DATA1__SSP0_D1 */
+						0x2020 /* MX28_PAD_SSP0_DATA2__SSP0_D2 */
+						0x2030 /* MX28_PAD_SSP0_DATA3__SSP0_D3 */
+						0x2040 /* MX28_PAD_SSP0_DATA4__SSP0_D4 */
+						0x2050 /* MX28_PAD_SSP0_DATA5__SSP0_D5 */
+						0x2060 /* MX28_PAD_SSP0_DATA6__SSP0_D6 */
+						0x2070 /* MX28_PAD_SSP0_DATA7__SSP0_D7 */
+						0x2080 /* MX28_PAD_SSP0_CMD__SSP0_CMD */
+						0x2090 /* MX28_PAD_SSP0_DETECT__SSP0_CARD_DETECT */
+						0x20a0 /* MX28_PAD_SSP0_SCK__SSP0_SCK */
+					>;
You have a SPI connection that needs so many pins?  Please note that
we already have mmc pins setup in place.

+					fsl,drive-strength = <1>;
+					fsl,voltage = <1>;
+					fsl,pull-up = <1>;
+				};
+
+				spi1_pins_a: spi1 at 0 {
+					reg = <0>;
+					fsl,pinmux-ids = <
+						0x20c0 /* MX28_PAD_SSP1_SCK__SSP1_SCK */
+						0x20d0 /* MX28_PAD_SSP1_CMD__SSP1_CMD */
+						0x20e0 /* MX28_PAD_SSP1_DATA0__SSP1_D0 */
+						0x20f0 /* MX28_PAD_SSP1_DATA3__SSP1_D3 */
+					>;
+					fsl,drive-strength = <1>;
+					fsl,voltage = <1>;
+					fsl,pull-up = <1>;
+				};
+
+				spi2_pins_a: spi2 at 0 {
+					reg = <0>;
+					fsl,pinmux-ids = <
+						0x2100 /* MX28_PAD_SSP2_SCK__SSP2_SCK */
+						0x2110 /* MX28_PAD_SSP2_MOSI__SSP2_CMD */
+						0x2120 /* MX28_PAD_SSP2_MISO__SSP2_D0 */
+						0x2130 /* MX28_PAD_SSP2_SS0__SSP2_D3 */
+						0x2140 /* MX28_PAD_SSP2_SS1__SSP2_D4 */
+						0x2150 /* MX28_PAD_SSP2_SS2__SSP2_D5 */
+					>;
The SPI flash on imx28-evk uses this one but with only SS0.  So we will
probably need to have the group only define SS0 and set up the extra SS
in board's hog node, so that the group can be shared across more boards.
Or, we name the group spi2_3cs_pins_a and leave the name spi2_pins_a to
the more general case, one SS?

Regards,
Shawn

+					fsl,drive-strength = <1>;
+					fsl,voltage = <1>;
+					fsl,pull-up = <1>;
+				};
+
+				spi3_pins_a: spi3 at 0 {
+					reg = <0>;
+					fsl,pinmux-ids = <
+						0x2180 /* MX28_PAD_SSP3_SCK__SSP3_SCK */
+						0x2190 /* MX28_PAD_SSP3_MOSI__SSP3_CMD */
+						0x21a0 /* MX28_PAD_SSP3_MISO__SSP3_D0 */
+						0x21b0 /* MX28_PAD_SSP3_SS0__SSP3_D3 */
+					>;
+					fsl,drive-strength = <1>;
+					fsl,voltage = <1>;
+					fsl,pull-up = <1>;
+				};
 			};
 
 			digctl at 8001c000 {
-- 
1.7.10.4

[PATCH 2/2] ARM: mxs: Update DENX M28 machine and dts file

From: Shawn Guo <hidden>
Date: 2012-08-24 08:26:11 

On Fri, Aug 24, 2012 at 05:25:42AM +0200, Marek Vasut wrote:
quoted hunk
Update the mach-mxs machine by removing the enet_clkout(). The new
revision of the board doesn't need that. Also, update the DTS file
with all the new drivers pulled in the mainline recently, that is,
SPI, LRADC, USB. Also, remove bogus AUART3.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Chris Ball <redacted>
Cc: Fabio Estevam <redacted>
Cc: Mark Brown <redacted>
Cc: Shawn Guo <redacted>
---
 arch/arm/boot/dts/imx28-m28evk.dts |   98 +++++++++++++++++++++++++++++++++---
 arch/arm/mach-mxs/mach-mxs.c       |    1 -
 2 files changed, 92 insertions(+), 7 deletions(-)

diff --git a/arch/arm/boot/dts/imx28-m28evk.dts b/arch/arm/boot/dts/imx28-m28evk.dts
index 183a3fd..e418b75 100644
--- a/arch/arm/boot/dts/imx28-m28evk.dts
+++ b/arch/arm/boot/dts/imx28-m28evk.dts
@@ -23,6 +23,8 @@
 	apb at 80000000 {
 		apbh at 80000000 {
 			gpmi-nand at 8000c000 {
+				#address-cells = <1>;
+				#size-cells = <1>;
 				pinctrl-names = "default";
 				pinctrl-0 = <&gpmi_pins_a &gpmi_status_cfg>;
 				status = "okay";
@@ -62,9 +64,28 @@
 					     &mmc0_sck_cfg>;
 				bus-width = <8>;
 				wp-gpios = <&gpio3 10 1>;
+				vmmc-supply = <&reg_vddio_sd0>;
 				status = "okay";
 			};
 
+			ssp2: ssp at 80014000 {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				compatible = "fsl,imx28-spi";
+				pinctrl-names = "default";
+				pinctrl-0 = <&spi2_pins_a>;
+				status = "okay";
+
+				flash: m25p80 at 0 {
+					#address-cells = <1>;
+					#size-cells = <1>;
+					compatible = "m25p80";
+					spi-max-frequency = <40000000>;
+					m25p,fast-read;
+					reg = <0>;
+				};
+			};
+
 			pinctrl at 80018000 {
 				pinctrl-names = "default";
 				pinctrl-0 = <&hog_pins_a>;
@@ -72,8 +93,11 @@
 				hog_pins_a: hog-gpios at 0 {
 					reg = <0>;
 					fsl,pinmux-ids = <
+						0x31c3 /* MX28_PAD_PWM3__GPIO_3_28 */
 						0x30a3 /* MX28_PAD_AUART2_CTS__GPIO_3_10 */
 						0x30b3 /* MX28_PAD_AUART2_RTS__GPIO_3_11 */
+						0x30c3 /* MX28_PAD_AUART3_RX__GPIO_3_12 */
+						0x30d3 /* MX28_PAD_AUART3_TX__GPIO_3_13 */
 					>;
 					fsl,drive-strength = <0>;
 					fsl,voltage = <1>;
@@ -90,6 +114,22 @@
 					fsl,voltage = <1>;
 					fsl,pull-up = <0>;
 				};
+
+				usb0_pins_a: usb0 at 0 {
+					reg = <0>;
+					fsl,pinmux-ids = <0x2152>;
+					fsl,drive-strength = <2>;
+					fsl,voltage = <1>;
+					fsl,pull-up = <0>;
+				};
+
+				usb1_pins_a: usb1 at 0 {
+					reg = <0>;
+					fsl,pinmux-ids = <0x2142>;
+					fsl,drive-strength = <2>;
+					fsl,voltage = <1>;
+					fsl,pull-up = <0>;
+				};
These two nodes should be put into imx28.dtsi.  Also, please put
a comment after the pinmux-id.

Regards,
Shawn
quoted hunk
 			};
 
 			lcdif at 80030000 {
@@ -99,6 +139,10 @@
 				status = "okay";
 			};
 
+			lradc at 80050000 {
+				status = "okay";
+			};
+
 			can0: can at 80032000 {
 				pinctrl-names = "default";
 				pinctrl-0 = <&can0_pins_a>;
@@ -129,6 +173,7 @@
 			i2c0: i2c at 80058000 {
 				pinctrl-names = "default";
 				pinctrl-0 = <&i2c0_pins_a>;
+				clock-frequency = <400000>;
 				status = "okay";
 
 				sgtl5000: codec at 0a {
@@ -157,26 +202,41 @@
 				status = "okay";
 			};
 
-			auart0: serial at 8006a000 {
-				pinctrl-names = "default";
-				pinctrl-0 = <&auart0_2pins_a>;
+			usbphy0: usbphy at 8007c000 {
 				status = "okay";
 			};
 
-			auart3: serial at 80070000 {
+			usbphy1: usbphy at 8007e000 {
+				status = "okay";
+			};
+
+			auart0: serial at 8006a000 {
 				pinctrl-names = "default";
-				pinctrl-0 = <&auart3_pins_a>;
+				pinctrl-0 = <&auart0_2pins_a>;
 				status = "okay";
 			};
 		};
 	};
 
 	ahb at 80080000 {
+		usb0: usb at 80080000 {
+			vbus-supply = <&reg_usb0_vbus>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&usb0_pins_a>;
+			status = "okay";
+		};
+
+		usb1: usb at 80090000 {
+			vbus-supply = <&reg_usb1_vbus>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&usb1_pins_a>;
+			status = "okay";
+		};
+
 		mac0: ethernet at 800f0000 {
 			phy-mode = "rmii";
 			pinctrl-names = "default";
 			pinctrl-0 = <&mac0_pins_a>;
-			phy-reset-gpios = <&gpio3 11 0>;
 			status = "okay";
 		};
 
@@ -198,6 +258,32 @@
 			regulator-max-microvolt = <3300000>;
 			regulator-always-on;
 		};
+
+		reg_vddio_sd0: vddio-sd0 {
+			compatible = "regulator-fixed";
+			regulator-name = "vddio-sd0";
+			regulator-min-microvolt = <3300000>;
+			regulator-max-microvolt = <3300000>;
+			gpio = <&gpio3 28 0>;
+		};
+
+		reg_usb0_vbus: usb0_vbus {
+			compatible = "regulator-fixed";
+			regulator-name = "usb0_vbus";
+			regulator-min-microvolt = <5000000>;
+			regulator-max-microvolt = <5000000>;
+			gpio = <&gpio3 12 0>;
+			enable-active-low;
+		};
+
+		reg_usb1_vbus: usb1_vbus {
+			compatible = "regulator-fixed";
+			regulator-name = "usb1_vbus";
+			regulator-min-microvolt = <5000000>;
+			regulator-max-microvolt = <5000000>;
+			gpio = <&gpio3 13 0>;
+			enable-active-low;
+		};
 	};
 
 	sound {
diff --git a/arch/arm/mach-mxs/mach-mxs.c b/arch/arm/mach-mxs/mach-mxs.c
index 8dabfe8..5ac45a1 100644
--- a/arch/arm/mach-mxs/mach-mxs.c
+++ b/arch/arm/mach-mxs/mach-mxs.c
@@ -241,7 +241,6 @@ static void __init imx28_evk_init(void)
 
 static void __init m28evk_init(void)
 {
-	enable_clk_enet_out();
 	update_fec_mac_prop(OUI_DENX);
 
 	mxsfb_pdata.mode_list = m28evk_video_modes;
-- 
1.7.10.4
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