linux-kernel - [PATCH 02/14] MIPS: dts: Add aliases node for lantiq danube serial

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Message-Id: <20180924102803.30263-3-songjun.wu@linux.intel.com>
Date:   Mon, 24 Sep 2018 18:27:51 +0800
From:   Songjun Wu <songjun.wu@...ux.intel.com>
To:     yixin.zhu@...ux.intel.com, chuanhua.lei@...ux.intel.com,
        hauke.mehrtens@...el.com
Cc:     Songjun Wu <songjun.wu@...ux.intel.com>,
        devicetree@...r.kernel.org, James Hogan <jhogan@...nel.org>,
        linux-mips@...ux-mips.org, linux-kernel@...r.kernel.org,
        Philippe Ombredanne <pombredanne@...b.com>,
        Paul Burton <paul.burton@...s.com>,
        Rob Herring <robh+dt@...nel.org>,
        Kate Stewart <kstewart@...uxfoundation.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Mark Rutland <mark.rutland@....com>,
        Ralf Baechle <ralf@...ux-mips.org>
Subject: [PATCH 02/14] MIPS: dts: Add aliases node for lantiq danube serial

Previous implementation uses a hard-coded register value to check
if the current serial entity is the console entity.
Now the lantiq serial driver uses the aliases for the index of the
serial port.
The lantiq danube serial dts are updated with aliases to support this.

Signed-off-by: Songjun Wu <songjun.wu@...ux.intel.com>
---

 arch/mips/boot/dts/lantiq/danube.dtsi   | 2 +-
 arch/mips/boot/dts/lantiq/easy50712.dts | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/arch/mips/boot/dts/lantiq/danube.dtsi b/arch/mips/boot/dts/lantiq/danube.dtsi
index 510be63c8bdf..73746d7577d7 100644
--- a/arch/mips/boot/dts/lantiq/danube.dtsi
+++ b/arch/mips/boot/dts/lantiq/danube.dtsi
@@ -74,7 +74,7 @@
 			reg = <0xe100a00 0x100>;
 		};
 
-		serial@...0c00 {
+		asc1: serial@...0c00 {
 			compatible = "lantiq,asc";
 			reg = <0xe100c00 0x400>;
 			interrupt-parent = <&icu0>;
diff --git a/arch/mips/boot/dts/lantiq/easy50712.dts b/arch/mips/boot/dts/lantiq/easy50712.dts
index 1ce20b7d05cb..452860ca1868 100644
--- a/arch/mips/boot/dts/lantiq/easy50712.dts
+++ b/arch/mips/boot/dts/lantiq/easy50712.dts
@@ -4,6 +4,10 @@
 /include/ "danube.dtsi"
 
 / {
+	aliases {
+		serial0 = &asc1;
+	};
+
 	chosen {
 		bootargs = "console=ttyLTQ0,115200 init=/etc/preinit";
 	};
-- 
2.11.0