linux-kernel - [PATCH v4 6/7] ARM: dts: meson8: switch to new bindings for UART nodes

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Date:   Fri,  9 Jun 2017 11:49:15 +0200
From:   Neil Armstrong <narmstrong@...libre.com>
To:     gregkh@...uxfoundation.org, khilman@...libre.com
Cc:     Neil Armstrong <narmstrong@...libre.com>, hgkr.klein@...il.com,
        linux-serial@...r.kernel.org, linux-amlogic@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: [PATCH v4 6/7] ARM: dts: meson8: switch to new bindings for UART nodes

Switch to the stable UART bindings by adding a XTAL node and using the
proper compatible strings.

Signed-off-by: Neil Armstrong <narmstrong@...libre.com>
---
 arch/arm/boot/dts/meson8.dtsi | 23 +++++++++++++++++++----
 1 file changed, 19 insertions(+), 4 deletions(-)

diff --git a/arch/arm/boot/dts/meson8.dtsi b/arch/arm/boot/dts/meson8.dtsi
index 6993077..a2ea112 100644
--- a/arch/arm/boot/dts/meson8.dtsi
+++ b/arch/arm/boot/dts/meson8.dtsi
@@ -83,6 +83,13 @@
 		};
 	};
 
+	xtal: xtal-clk {
+		compatible = "fixed-clock";
+		clock-frequency = <24000000>;
+		clock-output-names = "xtal";
+		#clock-cells = <0>;
+	};
+
 	clk81: clk@0 {
 		#clock-cells = <0>;
 		compatible = "fixed-clock";
@@ -199,17 +206,25 @@
 };
 
 &uart_AO {
-	clocks = <&clk81>;
+	compatible = "amlogic,meson8-uart", "amlogic,meson-ao-uart";
+	clocks = <&xtal>, <&clk81>, <&clk81>;
+	clock-names = "xtal", "pclk", "baud";
 };
 
 &uart_A {
-	clocks = <&clk81>;
+	compatible = "amlogic,meson8-uart";
+	clocks = <&xtal>, <&clk81>, <&clk81>;
+	clock-names = "xtal", "pclk", "baud";
 };
 
 &uart_B {
-	clocks = <&clk81>;
+	compatible = "amlogic,meson8-uart";
+	clocks = <&xtal>, <&clk81>, <&clk81>;
+	clock-names = "xtal", "pclk", "baud";
 };
 
 &uart_C {
-	clocks = <&clk81>;
+	compatible = "amlogic,meson8-uart";
+	clocks = <&xtal>, <&clk81>, <&clk81>;
+	clock-names = "xtal", "pclk", "baud";
 };
-- 
1.9.1