From patchwork Wed Jan 26 18:32:47 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Srba X-Patchwork-Id: 537247 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 0A14CC63686 for ; Wed, 26 Jan 2022 18:35:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229945AbiAZSf6 (ORCPT ); Wed, 26 Jan 2022 13:35:58 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60528 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230173AbiAZSf5 (ORCPT ); Wed, 26 Jan 2022 13:35:57 -0500 Received: from mxd1.seznam.cz (mxd1.seznam.cz [IPv6:2a02:598:a::78:210]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8F4B3C061749; Wed, 26 Jan 2022 10:35:56 -0800 (PST) Received: from email.seznam.cz by email-smtpc15a.ko.seznam.cz (email-smtpc15a.ko.seznam.cz [10.53.11.195]) id 6f6df7363463a35f6ec43b68; Wed, 26 Jan 2022 19:35:31 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=seznam.cz; s=beta; t=1643222131; bh=7q30Y1u5dOvbGe0esXQwe2aovsv5+DDmo/QiSVSPlLc=; h=Received:From:To:Cc:Subject:Date:Message-Id:X-Mailer:In-Reply-To: References:MIME-Version:Content-Transfer-Encoding:X-szn-frgn: X-szn-frgc; b=eWlIDPOeqmnMnqqorJvryYjPX+6OL7N/WXRu7WAeh8Z7/PKm6Hv4u6hM9gbzS3kqk YDkjuYrFJaU5km/HRwIu/7RahGe9xz27LEzqde7l8Oi+EFgGMag52KmmsaPQuasNNv jC9XSOtazbAnjcRhw9RACXHVzpAZyOJuEmvmRH7o= Received: from localhost.localdomain (ip-244-214.dynamic.ccinternet.cz [185.148.214.244]) by email-relay21.ko.seznam.cz (Seznam SMTPD 1.3.136) with ESMTP; Wed, 26 Jan 2022 19:35:26 +0100 (CET) From: michael.srba@seznam.cz To: Andy Gross , Bjorn Andersson , Rob Herring , Stephen Boyd , Philipp Zabel Cc: Linus Walleij , Florian Fainelli , Arnd Bergmann , Greg Kroah-Hartman , Saravana Kannan , linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, Michael Srba Subject: [PATCH v4 2/5] clk: qcom: gcc-msm8998: add SSC-related clocks Date: Wed, 26 Jan 2022 19:32:47 +0100 Message-Id: <20220126183250.11924-2-michael.srba@seznam.cz> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220126183250.11924-1-michael.srba@seznam.cz> References: <20220126183250.11924-1-michael.srba@seznam.cz> MIME-Version: 1.0 X-szn-frgn: <3e4605be-d032-484e-8ef6-f63a38932145> X-szn-frgc: <0> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Michael Srba This patch adds four clocks which need to be manipulated in order to initialize the AHB bus which exposes the SCC block in the global address space. If a device is known to be configured such that writing to these registers from Linux is not permitted, the 'protected-clocks' device tree property must be used to denote that fact. Signed-off-by: Michael Srba --- CHANGES: - v2: none - v3: none - v4: reword the commit message --- drivers/clk/qcom/gcc-msm8998.c | 56 ++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) diff --git a/drivers/clk/qcom/gcc-msm8998.c b/drivers/clk/qcom/gcc-msm8998.c index 407e2c5caea4..2d14c3d672fc 100644 --- a/drivers/clk/qcom/gcc-msm8998.c +++ b/drivers/clk/qcom/gcc-msm8998.c @@ -2833,6 +2833,58 @@ static struct clk_branch gcc_rx1_usb2_clkref_clk = { }, }; +static struct clk_branch gcc_im_sleep_clk = { + .halt_reg = 0x4300C, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x4300C, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gcc_im_sleep_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch aggre2_snoc_north_axi_clk = { + .halt_reg = 0x83010, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x83010, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "aggre2_snoc_north_axi_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch ssc_xo_clk = { + .halt_reg = 0x63018, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x63018, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "ssc_xo_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch ssc_cnoc_ahbs_clk = { + .halt_reg = 0x6300C, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x6300C, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "ssc_cnoc_ahbs_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + static struct gdsc pcie_0_gdsc = { .gdscr = 0x6b004, .gds_hw_ctrl = 0x0, @@ -3036,6 +3088,10 @@ static struct clk_regmap *gcc_msm8998_clocks[] = { [GCC_MSS_MNOC_BIMC_AXI_CLK] = &gcc_mss_mnoc_bimc_axi_clk.clkr, [GCC_MMSS_GPLL0_CLK] = &gcc_mmss_gpll0_clk.clkr, [HMSS_GPLL0_CLK_SRC] = &hmss_gpll0_clk_src.clkr, + [GCC_IM_SLEEP] = &gcc_im_sleep_clk.clkr, + [AGGRE2_SNOC_NORTH_AXI] = &aggre2_snoc_north_axi_clk.clkr, + [SSC_XO] = &ssc_xo_clk.clkr, + [SSC_CNOC_AHBS_CLK] = &ssc_cnoc_ahbs_clk.clkr, }; static struct gdsc *gcc_msm8998_gdscs[] = {