From patchwork Wed Nov 4 11:45:08 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Philipp Zabel X-Patchwork-Id: 7549031 Return-Path: X-Original-To: patchwork-linux-mediatek@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 9A0569F327 for ; Wed, 4 Nov 2015 11:46:07 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id B377720445 for ; Wed, 4 Nov 2015 11:46:06 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D5FA4203F1 for ; Wed, 4 Nov 2015 11:46:05 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZtwVx-0006LQ-8E; Wed, 04 Nov 2015 11:46:05 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZtwVt-00068V-AX for linux-mediatek@lists.infradead.org; Wed, 04 Nov 2015 11:46:02 +0000 Received: from dude.hi.4.pengutronix.de ([10.1.0.7] helo=dude.pengutronix.de.) by metis.ext.pengutronix.de with esmtp (Exim 4.80) (envelope-from ) id 1ZtwVF-0003KJ-GV; Wed, 04 Nov 2015 12:45:21 +0100 From: Philipp Zabel To: dri-devel@lists.freedesktop.org Subject: [RFC v5 11/12] clk: mediatek: Add hdmi_ref HDMI PHY PLL reference clock output Date: Wed, 4 Nov 2015 12:45:08 +0100 Message-Id: <1446637509-6418-12-git-send-email-p.zabel@pengutronix.de> X-Mailer: git-send-email 2.6.1 In-Reply-To: <1446637509-6418-1-git-send-email-p.zabel@pengutronix.de> References: <1446637509-6418-1-git-send-email-p.zabel@pengutronix.de> X-SA-Exim-Connect-IP: 10.1.0.7 X-SA-Exim-Mail-From: p.zabel@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-mediatek@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20151104_034601_636004_C457F1C0 X-CRM114-Status: GOOD ( 10.88 ) X-Spam-Score: -1.9 (-) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Paul Bolle , YT Shen , Jitao Shi , Jie Qiu , Pawel Moll , Ian Campbell , Cawa Cheng , Daniel Stone , CK Hu , Rob Herring , linux-mediatek@lists.infradead.org, Daniel Vetter , Kumar Gala , Matthias Brugger , Philipp Zabel , Dave Airlie , kernel@pengutronix.de MIME-Version: 1.0 Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, 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 The configurable hdmi_ref output of the PLL block is derived from the tvdpll_594m clock signal via a configurable PLL post-divider. It is used as the PLL reference input to the HDMI PHY module. Signed-off-by: Philipp Zabel --- drivers/clk/mediatek/clk-mt8173.c | 5 +++++ include/dt-bindings/clock/mt8173-clk.h | 3 ++- 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/clk/mediatek/clk-mt8173.c b/drivers/clk/mediatek/clk-mt8173.c index e7b3997..fe7a91b 100644 --- a/drivers/clk/mediatek/clk-mt8173.c +++ b/drivers/clk/mediatek/clk-mt8173.c @@ -901,6 +901,11 @@ static void __init mtk_apmixedsys_init(struct device_node *node) clk_data->clks[cku->id] = clk; } + clk = clk_register_divider(NULL, "hdmi_ref", "tvdpll_594m", 0, + base + 0x40, 16, 3, CLK_DIVIDER_POWER_OF_TWO, + NULL); + clk_data->clks[CLK_APMIXED_HDMI_REF] = clk; + r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); if (r) pr_err("%s(): could not register clock provider: %d\n", diff --git a/include/dt-bindings/clock/mt8173-clk.h b/include/dt-bindings/clock/mt8173-clk.h index bf1302e..784e987 100644 --- a/include/dt-bindings/clock/mt8173-clk.h +++ b/include/dt-bindings/clock/mt8173-clk.h @@ -173,7 +173,8 @@ #define CLK_APMIXED_LVDSPLL 13 #define CLK_APMIXED_MSDCPLL2 14 #define CLK_APMIXED_REF2USB_TX 15 -#define CLK_APMIXED_NR_CLK 16 +#define CLK_APMIXED_HDMI_REF 16 +#define CLK_APMIXED_NR_CLK 17 /* INFRA_SYS */