2020-07-08 00:29:46

by Chris Healy

[permalink] [raw]
Subject: [PATCH v2] 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]>
---
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@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@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@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@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@0 {
compatible = "marvell,mv88e6190";
--
2.21.3


2020-07-13 07:37:12

by Shawn Guo

[permalink] [raw]
Subject: Re: [PATCH v2] ARM: dts: ZII: update MDIO speed and preamble

On Tue, Jul 07, 2020 at 05:25:00PM -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]>
> ---
> 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>;

We usually have 'status' at end of property list, so please move them
up.

Shawn

>
> switch: switch@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@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@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@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@0 {
> compatible = "marvell,mv88e6190";
> --
> 2.21.3
>