linux-kernel - [RFC/RFT v2 11/11] arm64: dts: rockchip: add basic lane-map and drop bifurcation from r2pro

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Date:   Tue, 26 Apr 2022 15:21:39 +0200
From:   Frank Wunderlich <linux@...web.de>
To:     linux-rockchip@...ts.infradead.org
Cc:     Frank Wunderlich <frank-w@...lic-files.de>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Heiko Stuebner <heiko@...ech.de>,
        Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Johan Jonker <jbx6244@...il.com>,
        Peter Geis <pgwipeout@...il.com>,
        Michael Riesch <michael.riesch@...fvision.net>,
        linux-pci@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-phy@...ts.infradead.org
Subject: [RFC/RFT v2 11/11] arm64: dts: rockchip: add basic lane-map and drop bifurcation from r2pro

From: Frank Wunderlich <frank-w@...lic-files.de>

Change DTS-Property from bifurcation to the new lane-map.
The lane-map is more generic but PCIe controller driver
converts it back to the bifurcation-bool.

Signed-off-by: Frank Wunderlich <frank-w@...lic-files.de>
---
changes in v2:
- new patch
---
 arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts b/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts
index 86506d7896c6..9acd85db3a3a 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts
@@ -477,14 +477,14 @@ &pcie30phy {
 };
 
 &pcie3x1 {
-	bifurcation;
+	lane-map = <0 1>;
 	reset-gpios = <&gpio3 RK_PA1 GPIO_ACTIVE_HIGH>;
 	vpcie3v3-supply = <&vcc3v3_ngff>;
 	status = "okay";
 };
 
 &pcie3x2 {
-	bifurcation;
+	lane-map = <1 0>;
 	reset-gpios = <&gpio2 RK_PD6 GPIO_ACTIVE_HIGH>;
 	vpcie3v3-supply = <&vcc3v3_minipcie>;
 	status = "okay";
-- 
2.25.1