From patchwork Fri Mar 22 12:39:21 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter De Schrijver X-Patchwork-Id: 2319511 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork2.kernel.org (Postfix) with ESMTP id 7E47DDFE82 for ; Fri, 22 Mar 2013 12:48:27 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1UJ1Lw-0000vA-0G; Fri, 22 Mar 2013 12:45:48 +0000 Received: from hqemgate04.nvidia.com ([216.228.121.35]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UJ1Lr-0000tq-UO for linux-arm-kernel@lists.infradead.org; Fri, 22 Mar 2013 12:45:44 +0000 Received: from hqnvupgp07.nvidia.com (Not Verified[216.228.121.13]) by hqemgate04.nvidia.com id ; Fri, 22 Mar 2013 05:45:34 -0700 Received: from hqemhub01.nvidia.com ([172.17.108.22]) by hqnvupgp07.nvidia.com (PGP Universal service); Fri, 22 Mar 2013 05:45:32 -0700 X-PGP-Universal: processed; by hqnvupgp07.nvidia.com on Fri, 22 Mar 2013 05:45:32 -0700 Received: from hqnvemgw02.nvidia.com (172.16.227.111) by hqemhub01.nvidia.com (172.20.150.30) with Microsoft SMTP Server id 8.3.298.1; Fri, 22 Mar 2013 05:45:35 -0700 Received: from thelma.nvidia.com (Not Verified[172.16.212.77]) by hqnvemgw02.nvidia.com with MailMarshal (v7,1,2,5326) id ; Fri, 22 Mar 2013 05:45:35 -0700 Received: from tbergstrom-lnx.nvidia.com (tbergstrom-lnx.nvidia.com [10.21.24.170]) by thelma.nvidia.com (8.13.8+Sun/8.8.8) with ESMTP id r2MCfFD7020818; Fri, 22 Mar 2013 05:45:31 -0700 (PDT) From: Peter De Schrijver To: Peter De Schrijver Subject: [PATCH v8 04/14] clk: tegra: introduce TEGRA_PLL_HAS_LOCK_ENABLE Date: Fri, 22 Mar 2013 14:39:21 +0200 Message-ID: <1363956029-31873-5-git-send-email-pdeschrijver@nvidia.com> X-Mailer: git-send-email 1.7.7.rc0.72.g4b5ea.dirty In-Reply-To: <1363956029-31873-1-git-send-email-pdeschrijver@nvidia.com> References: <1363956029-31873-1-git-send-email-pdeschrijver@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130322_084544_197778_01E3FB60 X-CRM114-Status: GOOD ( 11.52 ) X-Spam-Score: -9.4 (---------) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-9.4 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at http://www.dnswl.org/, high trust [216.228.121.35 listed in list.dnswl.org] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record -2.5 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: Linus Walleij , Prashant Gaikwad , Russell King , Stephen Warren , devicetree-discuss@lists.ozlabs.org, Simon Glass , Thierry Reding , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Rob Herring , Pritesh Raithatha , Grant Likely , Laxman Dewangan , Mike Turquette , Rob Landley , linux-tegra@vger.kernel.org, Andrew Chew , Rhyland Klein , linux-arm-kernel@lists.infradead.org, Hiroshi Doyu 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 Tegra114 PLLC2 and PLLC3 don't have a lock enable bit. The lock bits are always functional. Signed-off-by: Peter De Schrijver --- drivers/clk/tegra/clk-pll.c | 5 +++++ drivers/clk/tegra/clk.h | 2 ++ 2 files changed, 7 insertions(+), 0 deletions(-) diff --git a/drivers/clk/tegra/clk-pll.c b/drivers/clk/tegra/clk-pll.c index 4ee6d03..eaab060 100644 --- a/drivers/clk/tegra/clk-pll.c +++ b/drivers/clk/tegra/clk-pll.c @@ -108,6 +108,9 @@ static void clk_pll_enable_lock(struct tegra_clk_pll *pll) if (!(pll->flags & TEGRA_PLL_USE_LOCK)) return; + if (!(pll->flags & TEGRA_PLL_HAS_LOCK_ENABLE)) + return; + val = pll_readl_misc(pll); val |= BIT(pll->params->lock_enable_bit_idx); pll_writel_misc(val, pll); @@ -675,6 +678,7 @@ struct clk *tegra_clk_register_pll(const char *name, const char *parent_name, struct clk *clk; pll_flags |= TEGRA_PLL_BYPASS; + pll_flags |= TEGRA_PLL_HAS_LOCK_ENABLE; pll = _tegra_init_pll(clk_base, pmc, fixed_rate, pll_params, pll_flags, freq_table, lock); if (IS_ERR(pll)) @@ -698,6 +702,7 @@ struct clk *tegra_clk_register_plle(const char *name, const char *parent_name, struct clk *clk; pll_flags |= TEGRA_PLL_LOCK_MISC | TEGRA_PLL_BYPASS; + pll_flags |= TEGRA_PLL_HAS_LOCK_ENABLE; pll = _tegra_init_pll(clk_base, pmc, fixed_rate, pll_params, pll_flags, freq_table, lock); if (IS_ERR(pll)) diff --git a/drivers/clk/tegra/clk.h b/drivers/clk/tegra/clk.h index 2697aa8..04049d7 100644 --- a/drivers/clk/tegra/clk.h +++ b/drivers/clk/tegra/clk.h @@ -185,6 +185,7 @@ struct tegra_clk_pll_params { * TEGRA_PLL_LOCK_MISC - Lock bit is in the misc register instead of the * base register. * TEGRA_PLL_BYPASS - PLL has bypass bit + * TEGRA_PLL_HAS_LOCK_ENABLE - PLL has bit to enable lock monitoring */ struct tegra_clk_pll { struct clk_hw hw; @@ -215,6 +216,7 @@ struct tegra_clk_pll { #define TEGRA_PLLE_CONFIGURE BIT(7) #define TEGRA_PLL_LOCK_MISC BIT(8) #define TEGRA_PLL_BYPASS BIT(9) +#define TEGRA_PLL_HAS_LOCK_ENABLE BIT(10) extern const struct clk_ops tegra_clk_pll_ops; extern const struct clk_ops tegra_clk_plle_ops;