[PATCH] arm64: dts: mt7622: add ePA/eLNA pinmux for built-in WiFi

[Ryder Lee]

This just illustrates one of possible combinations. User should setup
the corresponding pins according to the onboard RF data that stores
in eeprom.

Signed-off-by: Ryder Lee <ryder.lee at mediatek.com>
---
 arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts b/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
index 08ad0ffb24df..50e74ce715f4 100644
--- a/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
+++ b/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
@@ -495,6 +495,17 @@
 			groups = "watchdog";
 		};
 	};
+
+	/* specify pinctrl-names = "epa-state" for ePA devices */
+	wmac0_pins: epa-pins {
+		mux {
+			function = "antsel";
+			groups = "antsel0", "antsel1", "antsel2", "antsel3",
+				 "antsel4", "antsel5", "antsel6", "antsel7",
+				 "antsel8", "antsel9", "antsel12", "antsel13",
+				 "antsel14", "antsel15", "antsel16", "antsel17";
+		};
+	};
 };
 
 &pwm {
-- 
2.18.0