From patchwork Sat Jul 16 19:22:35 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Konrad Dybcio X-Patchwork-Id: 591183 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A7B76CCA479 for ; Sat, 16 Jul 2022 19:22:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229687AbiGPTWt (ORCPT ); Sat, 16 Jul 2022 15:22:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40866 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229589AbiGPTWt (ORCPT ); Sat, 16 Jul 2022 15:22:49 -0400 Received: from relay04.th.seeweb.it (relay04.th.seeweb.it [IPv6:2001:4b7a:2000:18::165]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8DFAC17E37 for ; Sat, 16 Jul 2022 12:22:47 -0700 (PDT) Received: from localhost.localdomain (abxj77.neoplus.adsl.tpnet.pl [83.9.3.77]) by m-r1.th.seeweb.it (Postfix) with ESMTPA id 9913B1F986; Sat, 16 Jul 2022 21:22:43 +0200 (CEST) From: Konrad Dybcio To: ~postmarketos/upstreaming@lists.sr.ht Cc: martin.botka@somainline.org, angelogioacchino.delregno@somainline.org, marijn.suijten@somainline.org, jamipkettunen@somainline.org, Konrad Dybcio , Andy Gross , Bjorn Andersson , Michael Turquette , Stephen Boyd , linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/3] clk: qcom: alpha: Add support for programming the PLL_FSM_LEGACY_MODE bit Date: Sat, 16 Jul 2022 21:22:35 +0200 Message-Id: <20220716192237.452823-2-konrad.dybcio@somainline.org> X-Mailer: git-send-email 2.37.0 In-Reply-To: <20220716192237.452823-1-konrad.dybcio@somainline.org> References: <20220716192237.452823-1-konrad.dybcio@somainline.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org This is used on at least SM6375 and its variations. Signed-off-by: Konrad Dybcio --- drivers/clk/qcom/clk-alpha-pll.c | 5 +++++ drivers/clk/qcom/clk-alpha-pll.h | 5 +++-- 2 files changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/clk/qcom/clk-alpha-pll.c b/drivers/clk/qcom/clk-alpha-pll.c index b42684703fbb..ea157723906a 100644 --- a/drivers/clk/qcom/clk-alpha-pll.c +++ b/drivers/clk/qcom/clk-alpha-pll.c @@ -27,6 +27,7 @@ # define PLL_VOTE_FSM_RESET BIT(21) # define PLL_UPDATE BIT(22) # define PLL_UPDATE_BYPASS BIT(23) +# define PLL_FSM_LEGACY_MODE BIT(24) # define PLL_OFFLINE_ACK BIT(28) # define ALPHA_PLL_ACK_LATCH BIT(29) # define PLL_ACTIVE_FLAG BIT(30) @@ -1102,6 +1103,10 @@ void clk_fabia_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap, regmap_update_bits(regmap, PLL_USER_CTL(pll), mask, val); } + if (pll->flags & SUPPORTS_FSM_LEGACY_MODE) + regmap_update_bits(regmap, PLL_MODE(pll), PLL_FSM_LEGACY_MODE, + PLL_FSM_LEGACY_MODE); + regmap_update_bits(regmap, PLL_MODE(pll), PLL_UPDATE_BYPASS, PLL_UPDATE_BYPASS); diff --git a/drivers/clk/qcom/clk-alpha-pll.h b/drivers/clk/qcom/clk-alpha-pll.h index 447efb82fe59..b15a62cb8e36 100644 --- a/drivers/clk/qcom/clk-alpha-pll.h +++ b/drivers/clk/qcom/clk-alpha-pll.h @@ -70,9 +70,10 @@ struct clk_alpha_pll { const struct pll_vco *vco_table; size_t num_vco; -#define SUPPORTS_OFFLINE_REQ BIT(0) -#define SUPPORTS_FSM_MODE BIT(2) +#define SUPPORTS_OFFLINE_REQ BIT(0) +#define SUPPORTS_FSM_MODE BIT(2) #define SUPPORTS_DYNAMIC_UPDATE BIT(3) +#define SUPPORTS_FSM_LEGACY_MODE BIT(4) u8 flags; struct clk_regmap clkr;