ARM: dts: ZII: update MDIO speed and preamble

Update MDIO configuration with ZII devices to fully utilize
MDIO endpoint capabilities.  All devices support 12.5MHz clock and
don't require MDIO preable.

Signed-off-by: Chris Healy <cphealy@gmail.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
index 20350e8..5af9ce9 100644 (file)
--- a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
@@ -719,6 +719,8 @@
        mdio {
                #address-cells = <1>;
                #size-cells = <0>;
+               clock-frequency = <12500000>;
+               suppress-preamble;
                status = "okay";
 
                switch: switch@0 {

diff --git a/arch/arm/boot/dts/vf610-zii-cfu1.dts b/arch/arm/boot/dts/vf610-zii-cfu1.dts
index ce1920c..64e0e95 100644 (file)
--- a/arch/arm/boot/dts/vf610-zii-cfu1.dts
+++ b/arch/arm/boot/dts/vf610-zii-cfu1.dts
@@ -158,6 +158,8 @@
        mdio1: mdio {
                #address-cells = <1>;
                #size-cells = <0>;
+               clock-frequency = <12500000>;
+               suppress-preamble;
                status = "okay";
 
                switch0: switch0@0 {

diff --git a/arch/arm/boot/dts/vf610-zii-dev.dtsi b/arch/arm/boot/dts/vf610-zii-dev.dtsi
index 95d0060..f8299f3 100644 (file)
--- a/arch/arm/boot/dts/vf610-zii-dev.dtsi
+++ b/arch/arm/boot/dts/vf610-zii-dev.dtsi
@@ -137,6 +137,8 @@
        mdio1: mdio {
                #address-cells = <1>;
                #size-cells = <0>;
+               clock-frequency = <12500000>;
+               suppress-preamble;
                status = "okay";
        };
 };

diff --git a/arch/arm/boot/dts/vf610-zii-spb4.dts b/arch/arm/boot/dts/vf610-zii-spb4.dts
index 55b4201..a68eae8 100644 (file)
--- a/arch/arm/boot/dts/vf610-zii-spb4.dts
+++ b/arch/arm/boot/dts/vf610-zii-spb4.dts
@@ -119,6 +119,8 @@
        mdio1: mdio {
                #address-cells = <1>;
                #size-cells = <0>;
+               clock-frequency = <12500000>;
+               suppress-preamble;
                status = "okay";
 
                switch0: switch0@0 {

diff --git a/arch/arm/boot/dts/vf610-zii-ssmb-dtu.dts b/arch/arm/boot/dts/vf610-zii-ssmb-dtu.dts
index a6c22a7..fa5ac91 100644 (file)
--- a/arch/arm/boot/dts/vf610-zii-ssmb-dtu.dts
+++ b/arch/arm/boot/dts/vf610-zii-ssmb-dtu.dts
@@ -105,6 +105,8 @@
        mdio1: mdio {
                #address-cells = <1>;
                #size-cells = <0>;
+               clock-frequency = <12500000>;
+               suppress-preamble;
                status = "okay";
 
                switch0: switch0@0 {

diff --git a/arch/arm/boot/dts/vf610-zii-ssmb-spu3.dts b/arch/arm/boot/dts/vf610-zii-ssmb-spu3.dts
index 3d05c89..8011331 100644 (file)
--- a/arch/arm/boot/dts/vf610-zii-ssmb-spu3.dts
+++ b/arch/arm/boot/dts/vf610-zii-ssmb-spu3.dts
@@ -133,6 +133,8 @@
        mdio1: mdio {
                #address-cells = <1>;
                #size-cells = <0>;
+               clock-frequency = <12500000>;
+               suppress-preamble;
                status = "okay";
 
                switch0: switch0@0 {