diff mbox series

[v6,06/11] ARM: dts: sunxi: h3/h5: represent the mdio switch used by sun8i-h3-emac

Message ID 20170927073414.17361-7-clabbe.montjoie@gmail.com
State Superseded
Headers show
Series net: stmmac: dwmac-sun8i: Handle integrated PHY | expand

Commit Message

Corentin Labbe Sept. 27, 2017, 7:34 a.m. UTC
Since dwmac-sun8i could use either an integrated PHY or an external PHY
(which could be at same MDIO address), we need to represent this selection
by a MDIO switch.

Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>

---
 arch/arm/boot/dts/sunxi-h3-h5.dtsi | 31 +++++++++++++++++++++++++------
 1 file changed, 25 insertions(+), 6 deletions(-)

-- 
2.13.5

Comments

Maxime Ripard Sept. 27, 2017, 10:16 a.m. UTC | #1
On Wed, Sep 27, 2017 at 07:34:09AM +0000, Corentin Labbe wrote:
> Since dwmac-sun8i could use either an integrated PHY or an external PHY

> (which could be at same MDIO address), we need to represent this selection

> by a MDIO switch.

> 

> Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>

> ---

>  arch/arm/boot/dts/sunxi-h3-h5.dtsi | 31 +++++++++++++++++++++++++------

>  1 file changed, 25 insertions(+), 6 deletions(-)

> 

> diff --git a/arch/arm/boot/dts/sunxi-h3-h5.dtsi b/arch/arm/boot/dts/sunxi-h3-h5.dtsi

> index 3b7d953429a6..a8e9b8f378ba 100644

> --- a/arch/arm/boot/dts/sunxi-h3-h5.dtsi

> +++ b/arch/arm/boot/dts/sunxi-h3-h5.dtsi

> @@ -422,14 +422,33 @@

>  			#size-cells = <0>;

>  			status = "disabled";

>  

> -			mdio: mdio {

> +			mdio0: mdio {

>  				#address-cells = <1>;

>  				#size-cells = <0>;

> -				int_mii_phy: ethernet-phy@1 {

> -					compatible = "ethernet-phy-ieee802.3-c22";

> -					reg = <1>;

> -					clocks = <&ccu CLK_BUS_EPHY>;

> -					resets = <&ccu RST_BUS_EPHY>;

> +				compatible = "snps,dwmac-mdio";

> +

> +				mdio-mux {

> +					compatible = "mdio-mux";

> +					#address-cells = <1>;

> +					#size-cells = <0>;


Newline

> +					/* Only one MDIO is usable at the time */

> +					internal_mdio: mdio@1 {

> +						reg = <1>;

> +						#address-cells = <1>;

> +						#size-cells = <0>;


Newline

> +						int_mii_phy: ethernet-phy@1 {

> +							compatible = "ethernet-phy-ieee802.3-c22";

> +							reg = <1>;

> +							clocks = <&ccu CLK_BUS_EPHY>;

> +							resets = <&ccu RST_BUS_EPHY>;

> +							phy-is-integrated;

> +						};

> +					};


Newline

> +					mdio: mdio@2 {


This is quite confusing. Why not call the label external_mdio?

Thanks

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/sunxi-h3-h5.dtsi b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
index 3b7d953429a6..a8e9b8f378ba 100644
--- a/arch/arm/boot/dts/sunxi-h3-h5.dtsi
+++ b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
@@ -422,14 +422,33 @@ 
 			#size-cells = <0>;
 			status = "disabled";
 
-			mdio: mdio {
+			mdio0: mdio {
 				#address-cells = <1>;
 				#size-cells = <0>;
-				int_mii_phy: ethernet-phy@1 {
-					compatible = "ethernet-phy-ieee802.3-c22";
-					reg = <1>;
-					clocks = <&ccu CLK_BUS_EPHY>;
-					resets = <&ccu RST_BUS_EPHY>;
+				compatible = "snps,dwmac-mdio";
+
+				mdio-mux {
+					compatible = "mdio-mux";
+					#address-cells = <1>;
+					#size-cells = <0>;
+					/* Only one MDIO is usable at the time */
+					internal_mdio: mdio@1 {
+						reg = <1>;
+						#address-cells = <1>;
+						#size-cells = <0>;
+						int_mii_phy: ethernet-phy@1 {
+							compatible = "ethernet-phy-ieee802.3-c22";
+							reg = <1>;
+							clocks = <&ccu CLK_BUS_EPHY>;
+							resets = <&ccu RST_BUS_EPHY>;
+							phy-is-integrated;
+						};
+					};
+					mdio: mdio@2 {
+						reg = <2>;
+						#address-cells = <1>;
+						#size-cells = <0>;
+					};
 				};
 			};
 		};