[PATCH v6 06/11] ARM: dts: sunxi: h3/h5: represent the mdio switch used by sun8i-h3-emac
From: Maxime Ripard <hidden>
Date: 2017-09-27 10:16:36
Also in:
linux-devicetree, lkml, netdev
On Wed, Sep 27, 2017 at 07:34:09AM +0000, Corentin Labbe wrote:
quoted hunk ↗ jump to hunk
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 at 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 at 1 {
+ reg = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;Newline
+ int_mii_phy: ethernet-phy at 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 at 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 -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 801 bytes Desc: not available URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20170927/dc5d60e0/attachment.sig>