ARM: dts: r9a06g032-rzn1d400-db: Add switch description

Add the description for the switch, GMAC2 and MII converter.  With these
definitions, the switch ports 0 and 1 (MII ports 5 and 4) are working on
the RZ/N1D-DB board.

Signed-off-by: Clément Léger <clement.leger@bootlin.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20220624144001.95518-16-clement.leger@bootlin.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

diff --git a/arch/arm/boot/dts/r9a06g032-rzn1d400-db.dts b/arch/arm/boot/dts/r9a06g032-rzn1d400-db.dts
index ca39e1d681c1a7cffd0515b840b081592bae5669..4bf813335e2121bacc6557b3b9097e283d5ebac4 100644 (file)
--- a/arch/arm/boot/dts/r9a06g032-rzn1d400-db.dts
+++ b/arch/arm/boot/dts/r9a06g032-rzn1d400-db.dts
@@ -8,6 +8,9 @@
 
 /dts-v1/;
 
+#include <dt-bindings/pinctrl/rzn1-pinctrl.h>
+#include <dt-bindings/net/pcs-rzn1-miic.h>
+
 #include "r9a06g032.dtsi"
 
 / {
@@ -23,10 +26,122 @@
        };
 };
 
+&eth_miic {
+       status = "okay";
+       renesas,miic-switch-portin = <MIIC_GMAC2_PORT>;
+};
+
+&gmac2 {
+       status = "okay";
+       phy-mode = "gmii";
+
+       fixed-link {
+               speed = <1000>;
+               full-duplex;
+       };
+};
+
+&mii_conv4 {
+       renesas,miic-input = <MIIC_SWITCH_PORTB>;
+       status = "okay";
+};
+
+&mii_conv5 {
+       renesas,miic-input = <MIIC_SWITCH_PORTA>;
+       status = "okay";
+};
+
+&pinctrl{
+       pins_eth3: pins_eth3 {
+               pinmux = <RZN1_PINMUX(36, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
+                        <RZN1_PINMUX(37, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
+                        <RZN1_PINMUX(38, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
+                        <RZN1_PINMUX(39, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
+                        <RZN1_PINMUX(40, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
+                        <RZN1_PINMUX(41, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
+                        <RZN1_PINMUX(42, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
+                        <RZN1_PINMUX(43, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
+                        <RZN1_PINMUX(44, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
+                        <RZN1_PINMUX(45, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
+                        <RZN1_PINMUX(46, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
+                        <RZN1_PINMUX(47, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>;
+               drive-strength = <6>;
+               bias-disable;
+       };
+
+       pins_eth4: pins_eth4 {
+               pinmux = <RZN1_PINMUX(48, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
+                        <RZN1_PINMUX(49, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
+                        <RZN1_PINMUX(50, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
+                        <RZN1_PINMUX(51, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
+                        <RZN1_PINMUX(52, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
+                        <RZN1_PINMUX(53, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
+                        <RZN1_PINMUX(54, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
+                        <RZN1_PINMUX(55, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
+                        <RZN1_PINMUX(56, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
+                        <RZN1_PINMUX(57, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
+                        <RZN1_PINMUX(58, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
+                        <RZN1_PINMUX(59, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>;
+               drive-strength = <6>;
+               bias-disable;
+       };
+
+       pins_mdio1: pins_mdio1 {
+               pinmux = <RZN1_PINMUX(152, RZN1_FUNC_MDIO1_SWITCH)>,
+                        <RZN1_PINMUX(153, RZN1_FUNC_MDIO1_SWITCH)>;
+       };
+};
+
 &rtc0 {
        status = "okay";
 };
 
+&switch {
+       status = "okay";
+       #address-cells = <1>;
+       #size-cells = <0>;
+
+       pinctrl-names = "default";
+       pinctrl-0 = <&pins_eth3>, <&pins_eth4>, <&pins_mdio1>;
+
+       dsa,member = <0 0>;
+
+       mdio {
+               clock-frequency = <2500000>;
+
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               switch0phy4: ethernet-phy@4 {
+                       reg = <4>;
+                       micrel,led-mode = <1>;
+               };
+
+               switch0phy5: ethernet-phy@5 {
+                       reg = <5>;
+                       micrel,led-mode = <1>;
+               };
+       };
+};
+
+&switch_port0 {
+       label = "lan0";
+       phy-mode = "mii";
+       phy-handle = <&switch0phy5>;
+       status = "okay";
+};
+
+&switch_port1 {
+       label = "lan1";
+       phy-mode = "mii";
+       phy-handle = <&switch0phy4>;
+       status = "okay";
+};
+
+&switch_port4 {
+       status = "okay";
+};
+
 &uart0 {
        status = "okay";
 };