linux-kernel - [PATCH 2/2] arm64: tegra: Add support for ZRX-DC phy property

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Date:   Mon, 28 Oct 2019 18:12:20 +0530
From:   Anvesh Salveru <anvesh.s@...sung.com>
To:     linux-pci@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-tegra@...r.kernel.org
Cc:     pankaj.dubey@...sung.com, thierry.reding@...il.com,
        jonathanh@...dia.com, Anvesh Salveru <anvesh.s@...sung.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Subject: [PATCH 2/2] arm64: tegra: Add support for ZRX-DC phy property

DesignWare controller driver provides the support to handle the PHYs which
are compliant to ZRX-DC specification based on "snps,phy-zrxdc-compliant"
DT property. So, add "snps,phy-zrxdc-compliant" property in tegra pcie
controller DT nodes.

CC: Rob Herring <robh+dt@...nel.org>
CC: Mark Rutland <mark.rutland@....com>
Signed-off-by: Anvesh Salveru <anvesh.s@...sung.com>
Signed-off-by: Pankaj Dubey <pankaj.dubey@...sung.com>
---
Depends on the following patch:
https://patchwork.kernel.org/patch/11215241/
https://patchwork.kernel.org/patch/11215239/

 arch/arm64/boot/dts/nvidia/tegra194.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
index 3c0cf54f0aab..bf2dbf84c8c9 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
@@ -1194,6 +1194,7 @@
 		ranges = <0x81000000 0x0  0x30100000 0x0  0x30100000 0x0 0x00100000   /* downstream I/O (1MB) */
 			  0xc2000000 0x12 0x00000000 0x12 0x00000000 0x0 0x30000000   /* prefetchable memory (768MB) */
 			  0x82000000 0x0  0x40000000 0x12 0x30000000 0x0 0x10000000>; /* non-prefetchable memory (256MB) */
+		snps,phy-zrxdc-compliant;
 	};
 
 	pcie@...20000 {
@@ -1240,6 +1241,7 @@
 		ranges = <0x81000000 0x0  0x32100000 0x0  0x32100000 0x0 0x00100000   /* downstream I/O (1MB) */
 			  0xc2000000 0x12 0x40000000 0x12 0x40000000 0x0 0x30000000   /* prefetchable memory (768MB) */
 			  0x82000000 0x0  0x40000000 0x12 0x70000000 0x0 0x10000000>; /* non-prefetchable memory (256MB) */
+		snps,phy-zrxdc-compliant;
 	};
 
 	pcie@...40000 {
@@ -1286,6 +1288,7 @@
 		ranges = <0x81000000 0x0  0x34100000 0x0  0x34100000 0x0 0x00100000   /* downstream I/O (1MB) */
 			  0xc2000000 0x12 0x80000000 0x12 0x80000000 0x0 0x30000000   /* prefetchable memory (768MB) */
 			  0x82000000 0x0  0x40000000 0x12 0xb0000000 0x0 0x10000000>; /* non-prefetchable memory (256MB) */
+		snps,phy-zrxdc-compliant;
 	};
 
 	pcie@...60000 {
@@ -1332,6 +1335,7 @@
 		ranges = <0x81000000 0x0  0x36100000 0x0  0x36100000 0x0 0x00100000   /* downstream I/O (1MB) */
 			  0xc2000000 0x14 0x00000000 0x14 0x00000000 0x3 0x40000000   /* prefetchable memory (13GB) */
 			  0x82000000 0x0  0x40000000 0x17 0x40000000 0x0 0xc0000000>; /* non-prefetchable memory (3GB) */
+		snps,phy-zrxdc-compliant;
 	};
 
 	pcie@...80000 {
@@ -1378,6 +1382,7 @@
 		ranges = <0x81000000 0x0  0x38100000 0x0  0x38100000 0x0 0x00100000   /* downstream I/O (1MB) */
 			  0xc2000000 0x18 0x00000000 0x18 0x00000000 0x3 0x40000000   /* prefetchable memory (13GB) */
 			  0x82000000 0x0  0x40000000 0x1b 0x40000000 0x0 0xc0000000>; /* non-prefetchable memory (3GB) */
+		snps,phy-zrxdc-compliant;
 	};
 
 	pcie@...a0000 {
@@ -1428,6 +1433,7 @@
 		ranges = <0x81000000 0x0  0x3a100000 0x0  0x3a100000 0x0 0x00100000   /* downstream I/O (1MB) */
 			  0xc2000000 0x1c 0x00000000 0x1c 0x00000000 0x3 0x40000000   /* prefetchable memory (13GB) */
 			  0x82000000 0x0  0x40000000 0x1f 0x40000000 0x0 0xc0000000>; /* non-prefetchable memory (3GB) */
+		snps,phy-zrxdc-compliant;
 	};
 
 	sysram@...00000 {
-- 
2.17.1