2020-07-08 01:28:39

by Chris Healy

Subject: [PATCH v3] 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 <[email protected]>
Reviewed-by: Fabio Estevam <[email protected]>
---
v3:
- make "status = okay" the last property
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..5af9ce977b12 100644
--- 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 ce1920c052fc..64e0e9509226 100644
--- 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 95d0060fb56c..f8299f33a692 100644
--- 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 55b4201e27f6..a68eae88174a 100644
--- 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 a6c22a79779e..fa5ac9125af7 100644
--- 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 3d05c894bdc0..801133154e3d 100644
--- 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 {
--
2.21.3

2020-07-13 08:23:02

by Shawn Guo

Subject: Re: [PATCH v3] arm: dts: ZII: update MDIO speed and preamble

On Tue, Jul 07, 2020 at 06:16:27PM -0700, Chris Healy wrote:
> 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 <[email protected]>
> Reviewed-by: Fabio Estevam <[email protected]>

We use prefix 'ARM: ...' for arm dts. Fixed it up and applied the
patch.

Shawn