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Message-Id: <20220112211642.2248901-4-gary.bisson@boundarydevices.com>
Date:   Wed, 12 Jan 2022 22:16:42 +0100
From:   Gary Bisson <gary.bisson@...ndarydevices.com>
To:     linux-amlogic@...ts.infradead.org
Cc:     Gary Bisson <gary.bisson@...ndarydevices.com>,
        Rob Herring <robh+dt@...nel.org>,
        Neil Armstrong <narmstrong@...libre.com>,
        Kevin Hilman <khilman@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2 3/3] arm64: dts: meson-g12-common: add uart_ao_b pins muxing

- RX/TX signals can be mapped on 2 different pairs of pins so supporting
  both options
- RTS/CTS signals however only have 1 option available

Signed-off-by: Gary Bisson <gary.bisson@...ndarydevices.com>
---
Changes v1->v2:
- renamed nodes as suggested by Neil

Cc: Rob Herring <robh+dt@...nel.org>
Cc: Neil Armstrong <narmstrong@...libre.com>
Cc: Kevin Hilman <khilman@...libre.com>
Cc: Jerome Brunet <jbrunet@...libre.com>
Cc: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Cc: devicetree@...r.kernel.org
Cc: linux-arm-kernel@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org
---
 .../boot/dts/amlogic/meson-g12-common.dtsi    | 27 +++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
index af1357c48bee..62350c408e16 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
@@ -1952,6 +1952,33 @@ mux {
 						};
 					};
 
+					uart_ao_b_2_3_pins: uart-ao-b-2-3 {
+						mux {
+							groups = "uart_ao_b_tx_2",
+								 "uart_ao_b_rx_3";
+							function = "uart_ao_b";
+							bias-disable;
+						};
+					};
+
+					uart_ao_b_8_9_pins: uart-ao-b-8-9 {
+						mux {
+							groups = "uart_ao_b_tx_8",
+								 "uart_ao_b_rx_9";
+							function = "uart_ao_b";
+							bias-disable;
+						};
+					};
+
+					uart_ao_b_cts_rts_pins: uart-ao-b-cts-rts {
+						mux {
+							groups = "uart_ao_b_cts",
+								 "uart_ao_b_rts";
+							function = "uart_ao_b";
+							bias-disable;
+						};
+					};
+
 					pwm_a_e_pins: pwm-a-e {
 						mux {
 							groups = "pwm_a_e";
-- 
2.34.1

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