linux-kernel - [PATCH] arm64: dts: rockchip: helios64: add variables for pcie completion

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Message-Id: <20211029005323.144652-1-dgilmore@redhat.com>
Date:   Thu, 28 Oct 2021 19:53:19 -0500
From:   Dennis Gilmore <dgilmore@...hat.com>
To:     linux-rockchip@...ts.infradead.org
Cc:     dgilmore@...hat.com, Rob Herring <robh+dt@...nel.org>,
        Heiko Stuebner <heiko@...ech.de>,
        Uwe Kleine-König <uwe@...ine-koenig.org>,
        Florian Klink <flokli@...kli.de>,
        devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED
        DEVICE TREE BINDINGS),
        linux-arm-kernel@...ts.infradead.org (moderated list:ARM/Rockchip SoC
        support), linux-kernel@...r.kernel.org (open list)
Subject: [PATCH] arm64: dts: rockchip: helios64: add variables for pcie completion

without ep-gpios defined u-boot does not initialise PCIe
rockchip_pcie pcie@...00000: failed to find ep-gpios property

additionally set max-link-speed and pinctrl-names for completeness

with this patch and the ones from Florian Klink applied to the dts
file in u-boot sata drives show up in both u-boot and linux

Signed-off-by: Dennis Gilmore <dgilmore@...hat.com>
---
 arch/arm64/boot/dts/rockchip/rk3399-kobol-helios64.dts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-kobol-helios64.dts b/arch/arm64/boot/dts/rockchip/rk3399-kobol-helios64.dts
index 9c2b45012daa..1e4042a7fdc3 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-kobol-helios64.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-kobol-helios64.dts
@@ -534,7 +534,10 @@ &pcie_phy {
 };
 
 &pcie0 {
+	ep-gpios = <&gpio2 RK_PD4 GPIO_ACTIVE_HIGH>;
+	max-link-speed = <2>;
 	num-lanes = <2>;
+	pinctrl-names = "default";
 	status = "okay";
 
 	vpcie12v-supply = <&vcc12v_dcin>;
-- 
2.32.0