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Subject[PATCH 2/2] arm64: dts: meson: g12a: add uart_ao_a pinctrl
Date
Add the always on UART pinctrl setting to the g12a soc DT and
use it for the u200 reference design

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
---
.../arm64/boot/dts/amlogic/meson-g12a-u200.dts | 2 ++
arch/arm64/boot/dts/amlogic/meson-g12a.dtsi | 18 ++++++++++++++++++
2 files changed, 20 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a-u200.dts b/arch/arm64/boot/dts/amlogic/meson-g12a-u200.dts
index c44dbdddf2cf..f2afd0bf3e28 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12a-u200.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-g12a-u200.dts
@@ -25,5 +25,7 @@

&uart_AO {
status = "okay";
+ pinctrl-0 = <&uart_ao_a_pins>;
+ pinctrl-names = "default";
};

diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi
index 39ad2bbaa162..bd24de947a5b 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi
@@ -140,6 +140,24 @@
gpio-controller;
#gpio-cells = <2>;
};
+
+ uart_ao_a_pins: uart_a_ao {
+ mux {
+ groups = "uart_ao_a_tx",
+ "uart_ao_a_rx";
+ function = "uart_ao_a";
+ bias-disable;
+ };
+ };
+
+ uart_ao_a_cts_rts_pins: uart_ao_a_cts_rts {
+ mux {
+ groups = "uart_ao_a_cts",
+ "uart_ao_a_rts";
+ function = "uart_ao_a";
+ bias-disable;
+ };
+ };
};
};

--
2.20.1
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