From: Joel Stanley <joel@jms.id.au>
Date: Wed, 16 Oct 2019 11:59:02 +0000 (+1030)
Subject: ARM: dts: aspeed: tacoma: Add UART1 and workaround
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=77ef1b3991e9fc9b4c48edd3be8962c4ea62b01d;p=linux.git

ARM: dts: aspeed: tacoma: Add UART1 and workaround

The UARTs on the AST2600 A0 have a known issue that can be worked around
by using the Synopsys driver.

Tested-by: Eddie James <eajames@linux.ibm.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
---

diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-tacoma.dts b/arch/arm/boot/dts/aspeed-bmc-opp-tacoma.dts
index fddd29da8671b..0ca8313441810 100644
--- a/arch/arm/boot/dts/aspeed-bmc-opp-tacoma.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-opp-tacoma.dts
@@ -10,10 +10,6 @@
 	model = "Tacoma";
 	compatible = "ibm,tacoma-bmc", "aspeed,ast2600";
 
-	aliases {
-		serial4 = &uart5;
-	};
-
 	chosen {
 		stdout-path = &uart5;
 		bootargs = "console=ttyS4,115200n8";
@@ -542,6 +538,17 @@
 	status = "okay";
 };
 
+&uart1 {
+	status = "okay";
+	// Workaround for A0
+	compatible = "snps,dw-apb-uart";
+};
+
+&uart5 {
+	// Workaround for A0
+	compatible = "snps,dw-apb-uart";
+};
+
 &vuart1 {
 	status = "okay";
 };