From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vidya Sagar Subject: [PATCH V3 1/6] dt-bindings: PCI: tegra: Add sideband pins configuration entries Date: Wed, 28 Aug 2019 22:58:45 +0530 Message-ID: <20190828172850.19871-2-vidyas@nvidia.com> References: <20190828172850.19871-1-vidyas@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <20190828172850.19871-1-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, digetx@gmail.com, mperttunen@nvidia.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: devicetree@vger.kernel.org Add optional bindings "pinctrl-names" and "pinctrl-0" to describe pin configuration information of a particular PCIe controller. Signed-off-by: Vidya Sagar --- V3: * None V2: * None .../devicetree/bindings/pci/nvidia,tegra194-pcie.txt | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.txt b/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.txt index 674e5adb2895..0ac1b867ac24 100644 --- a/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.txt +++ b/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.txt @@ -83,6 +83,11 @@ Required properties: - vddio-pex-ctl-supply: Regulator supply for PCIe side band signals Optional properties: +- pinctrl-names: A list of pinctrl state names. + It is mandatory for C5 controller and optional for other controllers. + - "default": Configures PCIe I/O for proper operation. +- pinctrl-0: phandle for the 'default' state of pin configuration. + It is mandatory for C5 controller and optional for other controllers. - supports-clkreq: Refer to Documentation/devicetree/bindings/pci/pci.txt - nvidia,update-fc-fixup: This is a boolean property and needs to be present to improve performance when a platform is designed in such a way that it @@ -120,6 +125,9 @@ Tegra194: num-lanes = <8>; linux,pci-domain = <0>; + pinctrl-names = "default"; + pinctrl-0 = <&pex_rst_c5_out_state>, <&clkreq_c5_bi_dir_state>; + clocks = <&bpmp TEGRA194_CLK_PEX0_CORE_0>; clock-names = "core"; -- 2.17.1