Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751587AbdG0LKy (ORCPT ); Thu, 27 Jul 2017 07:10:54 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:58290 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751518AbdG0LKv (ORCPT ); Thu, 27 Jul 2017 07:10:51 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 1032A608D4 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=absahu@codeaurora.org From: Abhishek Sahu To: sboyd@codeaurora.org, mturquette@baylibre.com Cc: andy.gross@linaro.org, david.brown@linaro.org, rnayak@codeaurora.org, linux-arm-msm@vger.kernel.org, linux-soc@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, Abhishek Sahu Subject: [RFC 03/12] clk: qcom: support for alpha mode configuration Date: Thu, 27 Jul 2017 16:40:16 +0530 Message-Id: <1501153825-5181-4-git-send-email-absahu@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1501153825-5181-1-git-send-email-absahu@codeaurora.org> References: <1501153825-5181-1-git-send-email-absahu@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1993 Lines: 57 The current configuration does not fully configure PLL alpha mode and values so this patch 1. Configures PLL_ALPHA_VAL_U for PLL which supports 40 bit alpha. 2. Adds alpha enable and alpha mode configuration support. Signed-off-by: Abhishek Sahu --- drivers/clk/qcom/clk-alpha-pll.c | 5 +++++ drivers/clk/qcom/clk-alpha-pll.h | 3 +++ 2 files changed, 8 insertions(+) diff --git a/drivers/clk/qcom/clk-alpha-pll.c b/drivers/clk/qcom/clk-alpha-pll.c index e6cde2d..6291048 100644 --- a/drivers/clk/qcom/clk-alpha-pll.c +++ b/drivers/clk/qcom/clk-alpha-pll.c @@ -123,6 +123,9 @@ void clk_alpha_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap, regmap_write(regmap, off + PLL_CONFIG_CTL_U, config->config_ctl_hi_val); + if (!(pll->flags & SUPPORTS_16BIT_ALPHA)) + regmap_write(regmap, off + PLL_ALPHA_VAL_U, config->alpha_hi); + val = config->main_output_mask; val |= config->aux_output_mask; val |= config->aux2_output_mask; @@ -130,6 +133,8 @@ void clk_alpha_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap, val |= config->pre_div_val; val |= config->post_div_val; val |= config->vco_val; + val |= config->alpha_en_mask; + val |= config->alpha_mode_mask; mask = config->main_output_mask; mask |= config->aux_output_mask; diff --git a/drivers/clk/qcom/clk-alpha-pll.h b/drivers/clk/qcom/clk-alpha-pll.h index bbd6aa9..39686db 100644 --- a/drivers/clk/qcom/clk-alpha-pll.h +++ b/drivers/clk/qcom/clk-alpha-pll.h @@ -59,12 +59,15 @@ struct clk_alpha_pll_postdiv { struct alpha_pll_config { u32 l; u32 alpha; + u32 alpha_hi; u32 config_ctl_val; u32 config_ctl_hi_val; u32 main_output_mask; u32 aux_output_mask; u32 aux2_output_mask; u32 early_output_mask; + u32 alpha_en_mask; + u32 alpha_mode_mask; u32 pre_div_val; u32 pre_div_mask; u32 post_div_val; -- QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation