[PATCH] dts: mt7629: enable JTAG pins by default
Weijie Gao
weijie.gao at mediatek.com
Fri Mar 5 03:27:46 CET 2021
The EPHY LEDs belongs to the built-in FE switch of MT7629, which is barely
used. These LED pins on reference boards are used as JTAG socket. So it's
a good idea to change the default state to JTAG, and this will make it
convenience for debugging.
Signed-off-by: Weijie Gao <weijie.gao at mediatek.com>
---
arch/arm/dts/mt7629-rfb.dts | 10 ++++++++++
arch/arm/dts/mt7629.dtsi | 6 ++++++
2 files changed, 16 insertions(+)
diff --git a/arch/arm/dts/mt7629-rfb.dts b/arch/arm/dts/mt7629-rfb.dts
index df43cc49c5..f2e4e9548b 100644
--- a/arch/arm/dts/mt7629-rfb.dts
+++ b/arch/arm/dts/mt7629-rfb.dts
@@ -36,6 +36,16 @@
};
&pinctrl {
+ state_default: pinmux_conf {
+ u-boot,dm-pre-reloc;
+
+ mux {
+ function = "jtag";
+ groups = "ephy_leds_jtag";
+ u-boot,dm-pre-reloc;
+ };
+ };
+
snfi_pins: snfi-pins {
mux {
function = "flash";
diff --git a/arch/arm/dts/mt7629.dtsi b/arch/arm/dts/mt7629.dtsi
index 05394266e0..7dea7809c7 100644
--- a/arch/arm/dts/mt7629.dtsi
+++ b/arch/arm/dts/mt7629.dtsi
@@ -152,6 +152,12 @@
compatible = "mediatek,mt7629-pinctrl";
reg = <0x10217000 0x8000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&state_default>;
+
+ state_default: pinmux_conf {
+ };
+
gpio: gpio-controller {
gpio-controller;
#gpio-cells = <2>;
--
2.17.1
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