[PATCH v2] ARM: dts: ZII: update MDIO speed and preamble

[Chris Healy]

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 at gmail.com>
Reviewed-by: Fabio Estevam <festevam at gmail.com>
---
v2:
- Fix subject line to reference ZII:
- Get rid of "=<1>;" from suppress-preamble lines

 arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi   | 2 ++
 arch/arm/boot/dts/vf610-zii-cfu1.dts      | 2 ++
 arch/arm/boot/dts/vf610-zii-dev.dtsi      | 2 ++
 arch/arm/boot/dts/vf610-zii-spb4.dts      | 2 ++
 arch/arm/boot/dts/vf610-zii-ssmb-dtu.dts  | 2 ++
 arch/arm/boot/dts/vf610-zii-ssmb-spu3.dts | 2 ++
 6 files changed, 12 insertions(+)

diff --git a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
index 20350e803377..58cc421042e1 100644
--- a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
@@ -720,6 +720,8 @@
 		#address-cells = <1>;
 		#size-cells = <0>;
 		status = "okay";
+		suppress-preamble;
+		clock-frequency = <12500000>;
 
 		switch: switch at 0 {
 			compatible = "marvell,mv88e6085";
diff --git a/arch/arm/boot/dts/vf610-zii-cfu1.dts b/arch/arm/boot/dts/vf610-zii-cfu1.dts
index ce1920c052fc..c27cacbe6a73 100644
--- a/arch/arm/boot/dts/vf610-zii-cfu1.dts
+++ b/arch/arm/boot/dts/vf610-zii-cfu1.dts
@@ -159,6 +159,8 @@
 		#address-cells = <1>;
 		#size-cells = <0>;
 		status = "okay";
+		suppress-preamble;
+		clock-frequency = <12500000>;
 
 		switch0: switch0 at 0 {
 			compatible = "marvell,mv88e6085";
diff --git a/arch/arm/boot/dts/vf610-zii-dev.dtsi b/arch/arm/boot/dts/vf610-zii-dev.dtsi
index 95d0060fb56c..9694d3b53607 100644
--- a/arch/arm/boot/dts/vf610-zii-dev.dtsi
+++ b/arch/arm/boot/dts/vf610-zii-dev.dtsi
@@ -138,6 +138,8 @@
 		#address-cells = <1>;
 		#size-cells = <0>;
 		status = "okay";
+		suppress-preamble;
+		clock-frequency = <12500000>;
 	};
 };
 
diff --git a/arch/arm/boot/dts/vf610-zii-spb4.dts b/arch/arm/boot/dts/vf610-zii-spb4.dts
index 55b4201e27f6..d2ad07ed5318 100644
--- a/arch/arm/boot/dts/vf610-zii-spb4.dts
+++ b/arch/arm/boot/dts/vf610-zii-spb4.dts
@@ -120,6 +120,8 @@
 		#address-cells = <1>;
 		#size-cells = <0>;
 		status = "okay";
+		suppress-preamble;
+		clock-frequency = <12500000>;
 
 		switch0: switch0 at 0 {
 			compatible = "marvell,mv88e6190";
diff --git a/arch/arm/boot/dts/vf610-zii-ssmb-dtu.dts b/arch/arm/boot/dts/vf610-zii-ssmb-dtu.dts
index a6c22a79779e..0bb3dcff0b79 100644
--- a/arch/arm/boot/dts/vf610-zii-ssmb-dtu.dts
+++ b/arch/arm/boot/dts/vf610-zii-ssmb-dtu.dts
@@ -106,6 +106,8 @@
 		#address-cells = <1>;
 		#size-cells = <0>;
 		status = "okay";
+		suppress-preamble;
+		clock-frequency = <12500000>;
 
 		switch0: switch0 at 0 {
 			compatible = "marvell,mv88e6190";
diff --git a/arch/arm/boot/dts/vf610-zii-ssmb-spu3.dts b/arch/arm/boot/dts/vf610-zii-ssmb-spu3.dts
index 3d05c894bdc0..e12e11805b71 100644
--- a/arch/arm/boot/dts/vf610-zii-ssmb-spu3.dts
+++ b/arch/arm/boot/dts/vf610-zii-ssmb-spu3.dts
@@ -134,6 +134,8 @@
 		#address-cells = <1>;
 		#size-cells = <0>;
 		status = "okay";
+		suppress-preamble;
+		clock-frequency = <12500000>;
 
 		switch0: switch0 at 0 {
 			compatible = "marvell,mv88e6190";
-- 
2.21.3