linux-kernel - [PATCH 7/7] ARM: dts: imx6ull: add UART8 support

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Date:   Tue,  2 Jan 2018 17:42:23 +0100
From:   Stefan Agner <stefan@...er.ch>
To:     shawnguo@...nel.org, kernel@...gutronix.de
Cc:     fabio.estevam@....com, robh+dt@...nel.org, mark.rutland@....com,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Stefan Agner <stefan@...er.ch>
Subject: [PATCH 7/7] ARM: dts: imx6ull: add UART8 support

In i.MX 6ULL UART8 is part of the AIPS-3 memory map instead of
AIPS-1. Clocks and interrupts remain the same.

Signed-off-by: Stefan Agner <stefan@...er.ch>
---
 arch/arm/boot/dts/imx6ull.dtsi | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm/boot/dts/imx6ull.dtsi b/arch/arm/boot/dts/imx6ull.dtsi
index bc2cd4fb8b12..571ddd71cdba 100644
--- a/arch/arm/boot/dts/imx6ull.dtsi
+++ b/arch/arm/boot/dts/imx6ull.dtsi
@@ -43,6 +43,9 @@
 #include "imx6ull-pinfunc.h"
 #include "imx6ull-pinfunc-snvs.h"
 
+/* Delete UART8 in AIPS-1 (i.MX6UL specific) */
+/delete-node/ &uart8;
+
 / {
 	soc {
 		aips3: aips-bus@...0000 {
@@ -56,6 +59,17 @@
 				compatible = "fsl,imx6ull-iomuxc-snvs";
 				reg = <0x02290000 0x4000>;
 			};
+
+			uart8: serial@...8000 {
+				compatible = "fsl,imx6ul-uart",
+					     "fsl,imx6q-uart";
+				reg = <0x02288000 0x4000>;
+				interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&clks IMX6UL_CLK_UART8_IPG>,
+					 <&clks IMX6UL_CLK_UART8_SERIAL>;
+				clock-names = "ipg", "per";
+				status = "disabled";
+			};
 		};
 	};
 };
-- 
2.15.1