From patchwork Sun Feb 1 20:58:31 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe Ricard X-Patchwork-Id: 5757751 Return-Path: X-Original-To: patchwork-tpmdd-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id E9AEFBF6C3 for ; Sun, 1 Feb 2015 20:58:56 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 1D54E20260 for ; Sun, 1 Feb 2015 20:58:56 +0000 (UTC) Received: from lists.sourceforge.net (lists.sourceforge.net [216.34.181.88]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8418B201E4 for ; Sun, 1 Feb 2015 20:58:54 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=sfs-ml-4.v29.ch3.sourceforge.com) by sfs-ml-4.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1YI1bZ-00082i-Sr; Sun, 01 Feb 2015 20:58:53 +0000 Received: from sog-mx-2.v43.ch3.sourceforge.com ([172.29.43.192] helo=mx.sourceforge.net) by sfs-ml-4.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1YI1bY-00082b-0J for tpmdd-devel@lists.sourceforge.net; Sun, 01 Feb 2015 20:58:52 +0000 Received-SPF: pass (sog-mx-2.v43.ch3.sourceforge.com: domain of gmail.com designates 209.85.212.181 as permitted sender) client-ip=209.85.212.181; envelope-from=christophe.ricard@gmail.com; helo=mail-wi0-f181.google.com; Received: from mail-wi0-f181.google.com ([209.85.212.181]) by sog-mx-2.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-SHA:128) (Exim 4.76) id 1YI1bX-0001qj-3P for tpmdd-devel@lists.sourceforge.net; Sun, 01 Feb 2015 20:58:51 +0000 Received: by mail-wi0-f181.google.com with SMTP id fb4so11643917wid.2 for ; Sun, 01 Feb 2015 12:58:45 -0800 (PST) X-Received: by 10.181.28.168 with SMTP id jp8mr17994797wid.40.1422824325011; Sun, 01 Feb 2015 12:58:45 -0800 (PST) Received: from localhost.localdomain (ax113-6-78-236-204-66.fbx.proxad.net. [78.236.204.66]) by mx.google.com with ESMTPSA id ha1sm16744904wib.24.2015.02.01.12.58.43 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sun, 01 Feb 2015 12:58:44 -0800 (PST) From: Christophe Ricard X-Google-Original-From: Christophe Ricard To: peterhuewe@gmx.de Date: Sun, 1 Feb 2015 21:58:31 +0100 Message-Id: <1422824311-12352-5-git-send-email-christophe-h.ricard@st.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1422824311-12352-1-git-send-email-christophe-h.ricard@st.com> References: <1422824311-12352-1-git-send-email-christophe-h.ricard@st.com> X-Spam-Score: -1.6 (-) X-Headers-End: 1YI1bX-0001qj-3P Cc: devicetree@vger.kernel.org, jean-luc.blanc@st.com, ashley@ashleylai.com, tpmdd-devel@lists.sourceforge.net, christophe-h.ricard@st.com, benoit.houyere@st.com Subject: [tpmdd-devel] [PATCH v6 4/4] tpm/st33zp24/dts/st33zp24-spi: Add dts documentation for st33zp24 spi phy X-BeenThere: tpmdd-devel@lists.sourceforge.net X-Mailman-Version: 2.1.9 Precedence: list List-Id: Tpm Device Driver maintainance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: tpmdd-devel-bounces@lists.sourceforge.net X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, FREEMAIL_FROM,HK_RANDOM_ENVFROM,RCVD_IN_DNSWL_HI,T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Reviewed-by: Jason Gunthorpe Signed-off-by: Christophe Ricard --- .../bindings/security/tpm/st33zp24-spi.txt | 34 ++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 Documentation/devicetree/bindings/security/tpm/st33zp24-spi.txt diff --git a/Documentation/devicetree/bindings/security/tpm/st33zp24-spi.txt b/Documentation/devicetree/bindings/security/tpm/st33zp24-spi.txt new file mode 100644 index 0000000..158b016 --- /dev/null +++ b/Documentation/devicetree/bindings/security/tpm/st33zp24-spi.txt @@ -0,0 +1,34 @@ +* STMicroelectronics SAS. ST33ZP24 TPM SoC + +Required properties: +- compatible: Should be "st,st33zp24-spi". +- spi-max-frequency: Maximum SPI frequency (<= 10000000). + +Optional ST33ZP24 Properties: +- interrupt-parent: phandle for the interrupt gpio controller +- interrupts: GPIO interrupt to which the chip is connected +- lpcpd-gpios: Output GPIO pin used for ST33ZP24 power management D1/D2 state. +If set, power must be present when the platform is going into sleep/hibernate mode. + +Optional SoC Specific Properties: +- pinctrl-names: Contains only one value - "default". +- pintctrl-0: Specifies the pin control groups used for this controller. + +Example (for ARM-based BeagleBoard xM with ST33ZP24 on SPI4): + +&mcspi4 { + + status = "okay"; + + st33zp24@0 { + + compatible = "st,st33zp24-spi"; + + spi-max-frequency = <10000000>; + + interrupt-parent = <&gpio5>; + interrupts = <7 IRQ_TYPE_LEVEL_HIGH>; + + lpcpd-gpios = <&gpio5 15 GPIO_ACTIVE_HIGH>; + }; +};