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Mon, 26 Aug 2019 07:32:16 +0000 Received: from hqnvemgw01.nvidia.com (172.20.150.20) by HQMAIL111.nvidia.com (172.20.187.18) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Mon, 26 Aug 2019 07:32:16 +0000 Received: from vidyas-desktop.nvidia.com (Not Verified[10.24.37.38]) by hqnvemgw01.nvidia.com with Trustwave SEG (v7, 5, 8, 10121) id ; Mon, 26 Aug 2019 00:32:16 -0700 From: Vidya Sagar To: , , , , Subject: [PATCH 4/6] dt-bindings: PCI: tegra: Add PCIe slot supplies regulator entries Date: Mon, 26 Aug 2019 13:01:41 +0530 Message-ID: <20190826073143.4582-5-vidyas@nvidia.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190826073143.4582-1-vidyas@nvidia.com> References: <20190826073143.4582-1-vidyas@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1566804739; bh=THHme64xuMDnn8JFy08KngJ0DOWHH0RnZQtdKa8+w6g=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:X-NVConfidentiality:MIME-Version: Content-Type; b=JtAXxIZR2KbkHKUcheNVSeiuAfqWRf9MjLWqtWgMhPuejB4t8raw40whvOtK3jnz1 EEXKiHfzRjpgCe8+8bJvP78CsdfyGMxO6M20IFl660MwEFombTqoskI/oZdvTtmw5o 3+XHJS1hO2Beu21th7soTJmglXifzUw/cOT9F5aOo/EwWGbV5w8j20kGEKEToJwogi QQdZJl8jccQSCzFrf9zaVb0AwoCG/18w+6e93TlKIE10dObmeFQs4g5fiGZ2N+I3he Z/Ikp1nmGQooTBQ/1VzfHEDY2rtXzOWx+rMTHIsF/BgGBGS+fnV4iLVr9bv1LjPMfb hdf1Iz+2510jQ== X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190826_003217_971781_90BD3062 X-CRM114-Status: UNSURE ( 7.28 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, mmaddireddy@nvidia.com, kthota@nvidia.com, gustavo.pimentel@synopsys.com, vidyas@nvidia.com, linux-kernel@vger.kernel.org, mperttunen@nvidia.com, linux-pci@vger.kernel.org, linux-tegra@vger.kernel.org, digetx@gmail.com, kishon@ti.com, linux-arm-kernel@lists.infradead.org, sagar.tv@gmail.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add optional bindings "vpcie3v3-supply" and "vpcie12v-supply" to describe regulators of a PCIe slot's supplies 3.3V and 12V provided the platform is designed to have regulator controlled slot supplies. Signed-off-by: Vidya Sagar --- .../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 0ac1b867ac24..b739f92da58e 100644 --- a/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.txt +++ b/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.txt @@ -104,6 +104,12 @@ Optional properties: specified in microseconds - nvidia,aspm-l0s-entrance-latency-us: ASPM L0s entrance latency to be specified in microseconds +- vpcie3v3-supply: A phandle to the regulator node that supplies 3.3V to the slot + if the platform has one such slot. (Ex:- x16 slot owned by C5 controller + in p2972-0000 platform). +- vpcie12v-supply: A phandle to the regulator node that supplies 12V to the slot + if the platform has one such slot. (Ex:- x16 slot owned by C5 controller + in p2972-0000 platform). Examples: ========= @@ -156,6 +162,8 @@ Tegra194: 0xc2000000 0x18 0x00000000 0x18 0x00000000 0x4 0x00000000>; /* prefetchable memory (16GB) */ vddio-pex-ctl-supply = <&vdd_1v8ao>; + vpcie3v3-supply = <&vdd_3v3_pcie>; + vpcie12v-supply = <&vdd_12v_pcie>; phys = <&p2u_hsio_2>, <&p2u_hsio_3>, <&p2u_hsio_4>, <&p2u_hsio_5>; -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel