From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vidya Sagar Subject: [PATCH V2 5/5] arm64: tegra: Add support for PCIe endpoint mode in P2972-0000 platform Date: Fri, 3 Jan 2020 18:14:04 +0530 Message-ID: <20200103124404.20662-6-vidyas@nvidia.com> References: <20200103124404.20662-1-vidyas@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <20200103124404.20662-1-vidyas@nvidia.com> Sender: linux-kernel-owner@vger.kernel.org To: lorenzo.pieralisi@arm.com, bhelgaas@google.com, robh+dt@kernel.org, thierry.reding@gmail.com, jonathanh@nvidia.com, andrew.murray@arm.com Cc: kishon@ti.com, gustavo.pimentel@synopsys.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kthota@nvidia.com, mmaddireddy@nvidia.com, vidyas@nvidia.com, sagar.tv@gmail.com List-Id: linux-tegra@vger.kernel.org Add endpoint mode support for PCIe C5 controller in P2972-0000 platform with information about supplies, PHY, PERST GPIO and GPIO that controls PCIe reference clock coming from the host system. Signed-off-by: Vidya Sagar --- V2: * Addressed Thierry's review comments * Changed 'nvidia,pex-rst-gpio' to 'reset-gpios' * Added 'nvidia,refclk-select-gpios' .../boot/dts/nvidia/tegra194-p2972-0000.dts | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts index 353a6a22196d..87ae7c6d38e2 100644 --- a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts +++ b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts @@ -136,6 +136,24 @@ "p2u-5", "p2u-6", "p2u-7"; }; + pcie_ep@141a0000 { + status = "disabled"; + + vddio-pex-ctl-supply = <&vdd_1v8ao>; + + reset-gpios = <&gpio TEGRA194_MAIN_GPIO(GG, 1) GPIO_ACTIVE_LOW>; + + nvidia,refclk-select-gpios = <&gpio_aon TEGRA194_AON_GPIO(AA, 5) + GPIO_ACTIVE_HIGH>; + + phys = <&p2u_nvhs_0>, <&p2u_nvhs_1>, <&p2u_nvhs_2>, + <&p2u_nvhs_3>, <&p2u_nvhs_4>, <&p2u_nvhs_5>, + <&p2u_nvhs_6>, <&p2u_nvhs_7>; + + phy-names = "p2u-0", "p2u-1", "p2u-2", "p2u-3", "p2u-4", + "p2u-5", "p2u-6", "p2u-7"; + }; + fan: fan { compatible = "pwm-fan"; pwms = <&pwm4 0 45334>; -- 2.17.1