From patchwork Thu May 3 09:35:48 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "H. Nikolaus Schaller" X-Patchwork-Id: 10377509 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id DAC6060353 for ; Thu, 3 May 2018 09:40:00 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D807029081 for ; Thu, 3 May 2018 09:40:00 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CC70329085; Thu, 3 May 2018 09:40:00 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 4641129081 for ; Thu, 3 May 2018 09:40:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=LL/r9a1WMg+r7JYnZrJvIXyjhUmS4pk2TLZq6jtNFB8=; b=GsmrWxgOftDqD+eoSLX5qtUxuG 1bzdquL/othOCUPXSeJ3Xd/jfj6yCOS/IWKubjF+g/g/OAK65UZLsLcsAP6xjOyUEBg9gBrFeUBY1 TdOmePHwdYvm5jLnzIb2/HwLuOvfQbKctIGXyRMsntizDXdxAAof2I1gLdRbSFXmilUqyEa0RsJe5 lmRhsvG0xYdJLf9M6+lxokLOu24qwIbKK0/oEk6CkLCroLavhB1rd5da0z+z5kPYq90DuXGoPBiFN VUHgeDjE5Z6+y3IntH1zUXDRiRYaP7HukHvgwuysYuItEavGBK6wb1W6TAnw9AiqopMiAxxL8VAnb KaJUtHlw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1fEAiM-0001tl-9p; Thu, 03 May 2018 09:39:50 +0000 Received: from mo6-p03-ob.smtp.rzone.de ([2a01:238:20a:202:5303::1]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1fEAf0-0000GC-5E for linux-arm-kernel@lists.infradead.org; Thu, 03 May 2018 09:36:25 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1525340156; s=strato-dkim-0002; d=goldelico.com; h=References:In-Reply-To:References:In-Reply-To:Message-Id:Date: Subject:Cc:To:From:X-RZG-CLASS-ID:X-RZG-AUTH:From:Subject:Sender; bh=ziM7oRH2tqWqen/oCbDEPtCukGeQvm3EfCX8kwAHifU=; b=qcoTXpmL1PPqDOPUU2Vu8LrR2Q3GPwWnHET0iafzWCW+AgxAW4DsN1YyaIYBOjHBVN cPL0vOmLaJUzGETxU4YrG9c7UMy/u/Ya0W7rMiVx5lvX/tXMKmQIkPk22pfZxtYES8Kb PFGqIo9NRPA5X0/aUvLIWZ79DdpPlMIOjnQye4OWOtWuQfkOZE6mOloaw/pA8Ek6kfpu Xn9+o66GVAkY/jUIMrzYntSVDTa02VJ3YQ35UdOOJZ8XkgBc+myteB4l59EzeGtJTtjA QbhnCwg1mhoqxpd6iBCvlvydhLduVAT+GHXUh1q5ylYW6Pm/9MtiOwoKNMB14UB4tpoE mbaQ== X-RZG-AUTH: ":JGIXVUS7cutRB/49FwqZ7WcJeFKiMhflhwDubTJ9o12DNO4Ij0Nfyq4sHQ==" X-RZG-CLASS-ID: mo00 Received: from localhost.localdomain by smtp.strato.de (RZmta 43.8 DYNA|AUTH) with ESMTPSA id Y0796du439Zt48T (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (curve secp521r1 with 521 ECDH bits, eq. 15360 bits RSA)) (Client did not present a certificate); Thu, 3 May 2018 11:35:55 +0200 (CEST) From: "H. Nikolaus Schaller" To: Johan Hovold , afd@ti.com, Rob Herring , Mark Rutland , =?UTF-8?q?Beno=C3=AEt=20Cousson?= , Tony Lindgren , Russell King , Arnd Bergmann , Greg Kroah-Hartman , "H. Nikolaus Schaller" , Kevin Hilman , =?UTF-8?q?Andreas=20F=C3=A4rber?= , Thierry Reding , Jonathan Cameron , =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= , David Lechner Subject: [PATCH v7 3/6] DTS: gta04: add uart2 child node for w2sg0004 GPS receiver Date: Thu, 3 May 2018 11:35:48 +0200 Message-Id: <9ebb28aed589aca8e9b5bc5c910f1d2f0d62669d.1525340143.git.hns@goldelico.com> X-Mailer: git-send-email 2.12.2 In-Reply-To: References: In-Reply-To: References: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180503_023622_377474_D4B732DB X-CRM114-Status: GOOD ( 12.19 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org, kernel@pyra-handheld.com, letux-kernel@openphoenux.org, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP GTA04 has a W2SG0004 module connected to UART2 of the OMAP3 processor. A GPIO can pulse the on/off toggle switch. Note that there is no WAKEUP output from the W2SG0004, hence we can't use the generic SirfStar binding. The VSIM regulator is used to power on/off the LNA of an external active GPS antenna so that a driver can turn the LNA off if GPS is not needed to save battery energy. Signed-off-by: H. Nikolaus Schaller --- arch/arm/boot/dts/omap3-gta04.dtsi | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/arm/boot/dts/omap3-gta04.dtsi b/arch/arm/boot/dts/omap3-gta04.dtsi index 4170be70460e..1c9e1ccf2346 100644 --- a/arch/arm/boot/dts/omap3-gta04.dtsi +++ b/arch/arm/boot/dts/omap3-gta04.dtsi @@ -478,6 +478,13 @@ &uart2 { pinctrl-names = "default"; pinctrl-0 = <&uart2_pins>; + + gps: gps { + compatible = "wi2wi,w2sg0004"; + lna-supply = <&vsim>; /* LNA regulator */ + /* GPIO_145: trigger for on/off-impulse for w2sg0004 */ + enable-gpios = <&gpio5 17 GPIO_ACTIVE_HIGH>; + }; }; &uart3 {