From:   Devarsh Thakkar <devarsht@ti.com>
To:     <devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        <linux-arm-kernel@lists.infradead.org>,
        <krzysztof.kozlowski+dt@linaro.org>, <robh+dt@kernel.org>,
        <kristo@kernel.org>, <nm@ti.com>, <vigneshr@ti.com>
CC:     <hnagalla@ti.com>, <praneeth@ti.com>, <a-bhatia1@ti.com>,
        <j-luthra@ti.com>, <devarsht@ti.com>
Subject: [PATCH v2] arm64: dts: ti: k3-am62a7-sk: Fix DDR size to full 4GB
Date:   Fri, 10 Feb 2023 23:33:17 +0530
Message-ID: <20230210180317.6157-1-devarsht@ti.com>
MIME-Version: 1.0
Content-Type: text/plain
Precedence: bulk

All revisions of AM62A7-SK board have 4GB LPDDR4 Micron
MT53E2G32D4DE-046 AUT:B memory. Commit 38c4a08c820c ("arm64: dts: ti:
Add support for AM62A7-SK") enabled just 2GB due to a schematics error
in early revision of the board. Fix it by enabling full 4GB available on
the platform.

Design docs: Link: https://www.ti.com/lit/zip/spruj16

Fixes: 38c4a08c820c ("arm64: dts: ti: Add support for AM62A7-SK")

Signed-off-by: Devarsh Thakkar <devarsht@ti.com>
---
Logs:
https://gist.github.com/devarsht/e85b6af89c01ddadb3a62f3e5f196af8

Changelog:
V2: Update commit message with mention of schematics error
---
 arch/arm64/boot/dts/ti/k3-am62a7-sk.dts | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
index 5c9012141ee2..f6a67f072dca 100644
--- a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
@@ -27,8 +27,9 @@
 
 	memory@80000000 {
 		device_type = "memory";
-		/* 2G RAM */
-		reg = <0x00000000 0x80000000 0x00000000 0x80000000>;
+		/* 4G RAM */
+		reg = <0x00000000 0x80000000 0x00000000 0x80000000>,
+		      <0x00000008 0x80000000 0x00000000 0x80000000>;
 	};
 
 	reserved-memory {
-- 
2.17.1