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From: Peter De Schrijver <pdeschrijver@nvidia.com>
To: Peter De Schrijver <pdeschrijver@nvidia.com>,
	Prashant Gaikwad <pgaikwad@nvidia.com>,
	Michael Turquette <mturquette@baylibre.com>,
	"Stephen Boyd" <sboyd@codeaurora.org>,
	Thierry Reding <thierry.reding@gmail.com>,
	Jonathan Hunter <jonathanh@nvidia.com>,
	<linux-clk@vger.kernel.org>, <linux-tegra@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>
Subject: [PATCH 08/14] clk: tegra: change post IDDQ release delay to 5us
Date: Tue, 25 Jul 2017 13:34:09 +0300	[thread overview]
Message-ID: <1500978856-5981-9-git-send-email-pdeschrijver@nvidia.com> (raw)
In-Reply-To: <1500978856-5981-1-git-send-email-pdeschrijver@nvidia.com>

Increase delay after PLL IDDQ release to 5us per PLL specifications.

based on work by Alex Frid <afrid@nvidia.com>

Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
---
 drivers/clk/tegra/clk-pll.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clk/tegra/clk-pll.c b/drivers/clk/tegra/clk-pll.c
index 1c36b8a..695ccb4 100644
--- a/drivers/clk/tegra/clk-pll.c
+++ b/drivers/clk/tegra/clk-pll.c
@@ -363,7 +363,7 @@ static void _clk_pll_enable(struct clk_hw *hw)
 		val = pll_readl(pll->params->iddq_reg, pll);
 		val &= ~BIT(pll->params->iddq_bit_idx);
 		pll_writel(val, pll->params->iddq_reg, pll);
-		udelay(2);
+		udelay(5);
 	}
 
 	if (pll->params->reset_reg) {
-- 
1.9.1

  parent reply	other threads:[~2017-07-25 10:38 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-25 10:34 [PATCH 00/14] Fixes for Tegra clocks Peter De Schrijver
2017-07-25 10:34 ` [PATCH 01/14] clk: tegra: fix SS control on PLL enable/disable Peter De Schrijver
2017-07-25 10:34 ` [PATCH 02/14] clk: tegra: Enable PLL_SS for Tegra210 Peter De Schrijver
2017-07-25 10:34 ` [PATCH 03/14] clk: tegra: disable SSC for PLL_D2 Peter De Schrijver
2017-07-25 10:34 ` [PATCH 04/14] clk: tegra210: remove non-existing VFIR clock Peter De Schrijver
2017-07-25 10:34 ` [PATCH 05/14] clk: tegra: Init cfg structure in _get_pll_mnp Peter De Schrijver
2017-07-25 10:34 ` [PATCH 06/14] clk: tegra: Fix T210 effective NDIV calculation Peter De Schrijver
2017-07-25 10:34 ` [PATCH 07/14] clk: tegra: Add TEGRA_PERIPH_ON_APB flag to I2C Peter De Schrijver
2017-07-25 10:34 ` Peter De Schrijver [this message]
2017-07-25 10:34 ` [PATCH 09/14] clk: tegra: don't warn for pll_d2 defaults unnecessarily Peter De Schrijver
2017-07-25 10:34 ` [PATCH 10/14] clk: tegra: Re-factor T210 PLLX registration Peter De Schrijver
2017-07-25 10:34 ` [PATCH 11/14] clk: tegra: Update T210 PLLSS (D2/DP) registration Peter De Schrijver
2017-07-25 10:34 ` [PATCH 12/14] clk: tegra: Fix T210 PLLRE registration Peter De Schrijver
2017-07-25 10:34 ` [PATCH 13/14] clk: tegra: Correct Tegra210 UTMIPLL poweron delay Peter De Schrijver
2017-07-25 10:34 ` [PATCH 14/14] clk: tegra: Fix Tegra210 PLLU initialization Peter De Schrijver
2017-07-26  1:37 ` [PATCH 00/14] Fixes for Tegra clocks Stephen Boyd
2017-07-26  8:27   ` Peter De Schrijver
2017-07-27 18:54     ` Stephen Boyd
2017-08-17 13:48       ` Thierry Reding
2017-08-23 23:07         ` Stephen Boyd
2017-08-17 13:31 ` Thierry Reding

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