ARM: dts: meson8b: add the RMII pins

Some boards use an RMII Ethernet PHY which requires fewer pins than the
RGMII PHYs. Add a separate eth_rmii_pins node which does not include the
pins which are only required for RGMII (but not for RMII) PHYs.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>

diff --git a/arch/arm/boot/dts/meson8b.dtsi b/arch/arm/boot/dts/meson8b.dtsi
index 4bbbbc6..cd1ca9d 100644 (file)
--- a/arch/arm/boot/dts/meson8b.dtsi
+++ b/arch/arm/boot/dts/meson8b.dtsi
@@ -223,6 +223,21 @@
                        };
                };
 
+               eth_rmii_pins: eth-rmii {
+                       mux {
+                               groups = "eth_tx_en",
+                                        "eth_txd1_0",
+                                        "eth_txd0_0",
+                                        "eth_rx_clk",
+                                        "eth_rx_dv",
+                                        "eth_rxd1",
+                                        "eth_rxd0",
+                                        "eth_mdio_en",
+                                        "eth_mdc";
+                               function = "ethernet";
+                       };
+               };
+
                i2c_a_pins: i2c-a {
                        mux {
                                groups = "i2c_sda_a", "i2c_sck_a";