From 1e1c735a6ba0698a107b99979aad72f48392a441 Mon Sep 17 00:00:00 2001
From: Marek Szyprowski <m.szyprowski@samsung.com>
Date: Fri, 2 Aug 2019 12:18:21 +0200
Subject: [PATCH] ARM: dts: exynos: Add port map to Exynos5250 AHCI node

Exynos AHCI (SATA) controller has only one port for SATA device. According
to AHCI driver bindings (ata/ahci-platform.txt), if the bootloader doesn't
program the PORTS_IMPL register to proper value, the available port map has
to be provided by 'ports-implemented' device tree property. This fixes
SATA operation on Exynos5250-based boards since Linux v4.5.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
 arch/arm/boot/dts/exynos5250.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi
index d5e0392b409e..30f6f5c6bbcb 100644
--- a/arch/arm/boot/dts/exynos5250.dtsi
+++ b/arch/arm/boot/dts/exynos5250.dtsi
@@ -346,6 +346,7 @@
 			clock-names = "sata", "sclk_sata";
 			phys = <&sata_phy>;
 			phy-names = "sata-phy";
+			ports-implemented = <0x1>;
 			status = "disabled";
 		};