linux-kernel - [PATCH 1/3] ARM: dts: meson: Fix the UART compatible strings

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Message-Id: <20211227180026.4068352-2-martin.blumenstingl@googlemail.com>
Date:   Mon, 27 Dec 2021 19:00:24 +0100
From:   Martin Blumenstingl <martin.blumenstingl@...glemail.com>
To:     linux-amlogic@...ts.infradead.org
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Subject: [PATCH 1/3] ARM: dts: meson: Fix the UART compatible strings

The dt-bindings for the UART controller only allow the following values
for Meson6 SoCs:
- "amlogic,meson6-uart", "amlogic,meson-ao-uart"
- "amlogic,meson6-uart"

Use the correct fallback compatible string "amlogic,meson-ao-uart" for
AO UART. Drop the "amlogic,meson-uart" compatible string from the EE
domain UART controllers.

Fixes: ec9b59162fd831 ("ARM: dts: meson6: use stable UART bindings")
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
---
 arch/arm/boot/dts/meson.dtsi | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/arm/boot/dts/meson.dtsi b/arch/arm/boot/dts/meson.dtsi
index 3be7cba603d5..26eaba3fa96f 100644
--- a/arch/arm/boot/dts/meson.dtsi
+++ b/arch/arm/boot/dts/meson.dtsi
@@ -59,7 +59,7 @@ hwrng: rng@...0 {
 			};
 
 			uart_A: serial@...0 {
-				compatible = "amlogic,meson6-uart", "amlogic,meson-uart";
+				compatible = "amlogic,meson6-uart";
 				reg = <0x84c0 0x18>;
 				interrupts = <GIC_SPI 26 IRQ_TYPE_EDGE_RISING>;
 				fifo-size = <128>;
@@ -67,7 +67,7 @@ uart_A: serial@...0 {
 			};
 
 			uart_B: serial@...c {
-				compatible = "amlogic,meson6-uart", "amlogic,meson-uart";
+				compatible = "amlogic,meson6-uart";
 				reg = <0x84dc 0x18>;
 				interrupts = <GIC_SPI 75 IRQ_TYPE_EDGE_RISING>;
 				status = "disabled";
@@ -105,7 +105,7 @@ saradc: adc@...0 {
 			};
 
 			uart_C: serial@...0 {
-				compatible = "amlogic,meson6-uart", "amlogic,meson-uart";
+				compatible = "amlogic,meson6-uart";
 				reg = <0x8700 0x18>;
 				interrupts = <GIC_SPI 93 IRQ_TYPE_EDGE_RISING>;
 				status = "disabled";
@@ -228,7 +228,7 @@ ir_receiver: ir-receiver@480 {
 			};
 
 			uart_AO: serial@4c0 {
-				compatible = "amlogic,meson6-uart", "amlogic,meson-ao-uart", "amlogic,meson-uart";
+				compatible = "amlogic,meson6-uart", "amlogic,meson-ao-uart";
 				reg = <0x4c0 0x18>;
 				interrupts = <GIC_SPI 90 IRQ_TYPE_EDGE_RISING>;
 				status = "disabled";
-- 
2.34.1