linux-kernel - [PATCH 06/10] ARM: dts: mmp*: Make the serial ports compatible with xscale-uart

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Date:   Fri, 20 Mar 2020 18:41:03 +0100
From:   Lubomir Rintel <lkundrak@...sk>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Daniel Mack <daniel@...que.org>,
        Haojian Zhuang <haojian.zhuang@...il.com>,
        Robert Jarzmik <robert.jarzmik@...e.fr>,
        Marc Gonzalez <marc.w.gonzalez@...e.fr>,
        Mans Rullgard <mans@...sr.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        linuxppc-dev@...ts.ozlabs.org, linux-serial@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        Lubomir Rintel <lkundrak@...sk>
Subject: [PATCH 06/10] ARM: dts: mmp*: Make the serial ports compatible with xscale-uart

XScale serial port driver is perfectly capable of supporting this hardware. A
separate compatible string is probably a historical mess.

Signed-off-by: Lubomir Rintel <lkundrak@...sk>
---
 arch/arm/boot/dts/mmp2.dtsi | 8 ++++----
 arch/arm/boot/dts/mmp3.dtsi | 8 ++++----
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/arch/arm/boot/dts/mmp2.dtsi b/arch/arm/boot/dts/mmp2.dtsi
index 45372df0ec2ad..da10567b5aca6 100644
--- a/arch/arm/boot/dts/mmp2.dtsi
+++ b/arch/arm/boot/dts/mmp2.dtsi
@@ -209,7 +209,7 @@ timer0: timer@...14000 {
 			};
 
 			uart1: serial@...30000 {
-				compatible = "mrvl,mmp-uart";
+				compatible = "mrvl,mmp-uart", "intel,xscale-uart";
 				reg = <0xd4030000 0x1000>;
 				interrupts = <27>;
 				clocks = <&soc_clocks MMP2_CLK_UART0>;
@@ -219,7 +219,7 @@ uart1: serial@...30000 {
 			};
 
 			uart2: serial@...17000 {
-				compatible = "mrvl,mmp-uart";
+				compatible = "mrvl,mmp-uart", "intel,xscale-uart";
 				reg = <0xd4017000 0x1000>;
 				interrupts = <28>;
 				clocks = <&soc_clocks MMP2_CLK_UART1>;
@@ -229,7 +229,7 @@ uart2: serial@...17000 {
 			};
 
 			uart3: serial@...18000 {
-				compatible = "mrvl,mmp-uart";
+				compatible = "mrvl,mmp-uart", "intel,xscale-uart";
 				reg = <0xd4018000 0x1000>;
 				interrupts = <24>;
 				clocks = <&soc_clocks MMP2_CLK_UART2>;
@@ -239,7 +239,7 @@ uart3: serial@...18000 {
 			};
 
 			uart4: serial@...16000 {
-				compatible = "mrvl,mmp-uart";
+				compatible = "mrvl,mmp-uart", "intel,xscale-uart";
 				reg = <0xd4016000 0x1000>;
 				interrupts = <46>;
 				clocks = <&soc_clocks MMP2_CLK_UART3>;
diff --git a/arch/arm/boot/dts/mmp3.dtsi b/arch/arm/boot/dts/mmp3.dtsi
index 7a5b9962497e4..9b5087a95e736 100644
--- a/arch/arm/boot/dts/mmp3.dtsi
+++ b/arch/arm/boot/dts/mmp3.dtsi
@@ -319,7 +319,7 @@ timer: timer@...14000 {
 			};
 
 			uart1: serial@...30000 {
-				compatible = "mrvl,mmp-uart";
+				compatible = "mrvl,mmp-uart", "intel,xscale-uart";
 				reg = <0xd4030000 0x1000>;
 				interrupts = <GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH>;
 				clocks = <&soc_clocks MMP2_CLK_UART0>;
@@ -329,7 +329,7 @@ uart1: serial@...30000 {
 			};
 
 			uart2: serial@...17000 {
-				compatible = "mrvl,mmp-uart";
+				compatible = "mrvl,mmp-uart", "intel,xscale-uart";
 				reg = <0xd4017000 0x1000>;
 				interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>;
 				clocks = <&soc_clocks MMP2_CLK_UART1>;
@@ -339,7 +339,7 @@ uart2: serial@...17000 {
 			};
 
 			uart3: serial@...18000 {
-				compatible = "mrvl,mmp-uart";
+				compatible = "mrvl,mmp-uart", "intel,xscale-uart";
 				reg = <0xd4018000 0x1000>;
 				interrupts = <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>;
 				clocks = <&soc_clocks MMP2_CLK_UART2>;
@@ -349,7 +349,7 @@ uart3: serial@...18000 {
 			};
 
 			uart4: serial@...16000 {
-				compatible = "mrvl,mmp-uart";
+				compatible = "mrvl,mmp-uart", "intel,xscale-uart";
 				reg = <0xd4016000 0x1000>;
 				interrupts = <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>;
 				clocks = <&soc_clocks MMP2_CLK_UART3>;
-- 
2.25.1