From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752857AbeBUJAw (ORCPT ); Wed, 21 Feb 2018 04:00:52 -0500 Received: from bastet.se.axis.com ([195.60.68.11]:43322 "EHLO bastet.se.axis.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752559AbeBUJAt (ORCPT ); Wed, 21 Feb 2018 04:00:49 -0500 From: Niklas Cassel To: arm@kernel.org, Jesper Nilsson , Lars Persson , Niklas Cassel , Rob Herring , Mark Rutland , Russell King Cc: linux-arm-kernel@axis.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 7/8] ARM: dts: artpec: add disabled node for PCIe endpoint mode Date: Wed, 21 Feb 2018 09:59:59 +0100 Message-Id: <20180221090000.18091-8-niklas.cassel@axis.com> X-Mailer: git-send-email 2.14.2 In-Reply-To: <20180221090000.18091-1-niklas.cassel@axis.com> References: <20180221090000.18091-1-niklas.cassel@axis.com> X-TM-AS-GCONF: 00 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The PCIe controller in the artpec6 SoC supports both root complex and endpoint mode, however, the controller can only be used in one of the modes. Both pci nodes are disabled by default. A DTS file can enable one of them, depending on what mode it wants to run. Signed-off-by: Niklas Cassel --- Changes since V1: removed unused properties "interrupts" and "interrupt-names" arch/arm/boot/dts/artpec6.dtsi | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/arch/arm/boot/dts/artpec6.dtsi b/arch/arm/boot/dts/artpec6.dtsi index 1c46df0c03ce..b7720be8afb1 100644 --- a/arch/arm/boot/dts/artpec6.dtsi +++ b/arch/arm/boot/dts/artpec6.dtsi @@ -154,6 +154,10 @@ interrupt-affinity = <&cpu0>, <&cpu1>; }; + /* + * Both pci nodes cannot be enabled at the same time, + * leave the unwanted node as disabled. + */ pcie: pcie@f8050000 { compatible = "axis,artpec6-pcie", "snps,dw-pcie"; reg = <0xf8050000 0x2000 @@ -181,6 +185,20 @@ status = "disabled"; }; + pcie_ep: pcie_ep@f8050000 { + compatible = "axis,artpec6-pcie-ep", "snps,dw-pcie"; + reg = <0xf8050000 0x2000 + 0xf8051000 0x2000 + 0xf8040000 0x1000 + 0xc0000000 0x20000000>; + reg-names = "dbi", "dbi2", "phy", "addr_space"; + num-ib-windows = <6>; + num-ob-windows = <2>; + num-lanes = <2>; + axis,syscon-pcie = <&syscon>; + status = "disabled"; + }; + pinctrl: pinctrl@f801d000 { compatible = "axis,artpec6-pinctrl"; reg = <0xf801d000 0x400>; -- 2.14.2