From patchwork Thu Jan 9 12:08:17 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roger Quadros X-Patchwork-Id: 3459581 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 6A5B29F384 for ; Thu, 9 Jan 2014 12:11:57 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id A6EC72012F for ; Thu, 9 Jan 2014 12:11:52 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 5165E2012E for ; Thu, 9 Jan 2014 12:11:51 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1W1ERB-000100-Qh; Thu, 09 Jan 2014 12:10:14 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1W1EQp-00031L-MP; Thu, 09 Jan 2014 12:09:51 +0000 Received: from arroyo.ext.ti.com ([192.94.94.40]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1W1EQP-0002ui-06 for linux-arm-kernel@lists.infradead.org; Thu, 09 Jan 2014 12:09:27 +0000 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by arroyo.ext.ti.com (8.13.7/8.13.7) with ESMTP id s09C8lgw022098; Thu, 9 Jan 2014 06:08:47 -0600 Received: from DLEE71.ent.ti.com (dlee71.ent.ti.com [157.170.170.114]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id s09C8l4i013473; Thu, 9 Jan 2014 06:08:47 -0600 Received: from dflp32.itg.ti.com (10.64.6.15) by DLEE71.ent.ti.com (157.170.170.114) with Microsoft SMTP Server id 14.2.342.3; Thu, 9 Jan 2014 06:08:47 -0600 Received: from rockdesk.local.lan (ileax41-snat.itg.ti.com [10.172.224.153]) by dflp32.itg.ti.com (8.14.3/8.13.8) with ESMTP id s09C8P18025536; Thu, 9 Jan 2014 06:08:42 -0600 From: Roger Quadros To: , Subject: [PATCH v5 3/9] mfd: omap-usb-host: Update DT clock binding information Date: Thu, 9 Jan 2014 17:38:17 +0530 Message-ID: <1389269303-30465-4-git-send-email-rogerq@ti.com> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1389269303-30465-1-git-send-email-rogerq@ti.com> References: <1389269303-30465-1-git-send-email-rogerq@ti.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140109_070925_378324_993ED683 X-CRM114-Status: UNSURE ( 8.13 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -6.9 (------) Cc: mark.rutland@arm.com, m.paolino@virtualopensystems.com, Samuel Ortiz , arnd@arndb.de, devicetree@vger.kernel.org, sre@debian.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, balbi@ti.com, linux-omap@vger.kernel.org, Lee Jones , linux-arm-kernel@lists.infradead.org, Roger Quadros X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, 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 The omap-usb-host driver expects certained named clocks. Add this information to the DT binding document. Use clock names as per function for reference clocks. CC: Lee Jones CC: Samuel Ortiz Signed-off-by: Roger Quadros --- .../devicetree/bindings/mfd/omap-usb-host.txt | 23 ++++++++++++++++++++++ drivers/mfd/omap-usb-host.c | 6 +++--- 2 files changed, 26 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/mfd/omap-usb-host.txt b/Documentation/devicetree/bindings/mfd/omap-usb-host.txt index b381fa6..4721b2d 100644 --- a/Documentation/devicetree/bindings/mfd/omap-usb-host.txt +++ b/Documentation/devicetree/bindings/mfd/omap-usb-host.txt @@ -32,6 +32,29 @@ Optional properties: - single-ulpi-bypass: Must be present if the controller contains a single ULPI bypass control bit. e.g. OMAP3 silicon <= ES2.1 +- clocks: a list of phandles and clock-specifier pairs, one for each entry in + clock-names. + +- clock-names: should include: + For OMAP3 + * "usbhost_120m_fck" - 120MHz Functional clock. + + For OMAP4+ + * "refclk_60m_int" - 60MHz internal reference clock for UTMI clock mux + * "refclk_60m_ext_p1" - 60MHz external ref. clock for Port 1's UTMI clock mux. + * "refclk_60m_ext_p2" - 60MHz external ref. clock for Port 2's UTMI clock mux + * "utmi_p1_gfclk" - Port 1 UTMI clock mux. + * "utmi_p2_gfclk" - Port 2 UTMI clock mux. + * "usb_host_hs_utmi_p1_clk" - Port 1 UTMI clock gate. + * "usb_host_hs_utmi_p2_clk" - Port 2 UTMI clock gate. + * "usb_host_hs_utmi_p3_clk" - Port 3 UTMI clock gate. + * "usb_host_hs_hsic480m_p1_clk" - Port 1 480MHz HSIC clock gate. + * "usb_host_hs_hsic480m_p2_clk" - Port 2 480MHz HSIC clock gate. + * "usb_host_hs_hsic480m_p3_clk" - Port 3 480MHz HSIC clock gate. + * "usb_host_hs_hsic60m_p1_clk" - Port 1 60MHz HSIC clock gate. + * "usb_host_hs_hsic60m_p2_clk" - Port 2 60MHz HSIC clock gate. + * "usb_host_hs_hsic60m_p3_clk" - Port 3 60MHz HSIC clock gate. + Required properties if child node exists: - #address-cells: Must be 1 diff --git a/drivers/mfd/omap-usb-host.c b/drivers/mfd/omap-usb-host.c index 7202cc6..eeea6e6 100644 --- a/drivers/mfd/omap-usb-host.c +++ b/drivers/mfd/omap-usb-host.c @@ -713,21 +713,21 @@ static int usbhs_omap_probe(struct platform_device *pdev) goto err_mem; } - omap->xclk60mhsp1_ck = devm_clk_get(dev, "xclk60mhsp1_ck"); + omap->xclk60mhsp1_ck = devm_clk_get(dev, "refclk_60m_ext_p1"); if (IS_ERR(omap->xclk60mhsp1_ck)) { ret = PTR_ERR(omap->xclk60mhsp1_ck); dev_err(dev, "xclk60mhsp1_ck failed error:%d\n", ret); goto err_mem; } - omap->xclk60mhsp2_ck = devm_clk_get(dev, "xclk60mhsp2_ck"); + omap->xclk60mhsp2_ck = devm_clk_get(dev, "refclk_60m_ext_p2"); if (IS_ERR(omap->xclk60mhsp2_ck)) { ret = PTR_ERR(omap->xclk60mhsp2_ck); dev_err(dev, "xclk60mhsp2_ck failed error:%d\n", ret); goto err_mem; } - omap->init_60m_fclk = devm_clk_get(dev, "init_60m_fclk"); + omap->init_60m_fclk = devm_clk_get(dev, "refclk_60m_int"); if (IS_ERR(omap->init_60m_fclk)) { ret = PTR_ERR(omap->init_60m_fclk); dev_err(dev, "init_60m_fclk failed error:%d\n", ret);