From patchwork Mon Feb 28 13:14:32 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Srba X-Patchwork-Id: 548267 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 5A857C4321E for ; Mon, 28 Feb 2022 13:19:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231443AbiB1NTi (ORCPT ); Mon, 28 Feb 2022 08:19:38 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50582 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235196AbiB1NTg (ORCPT ); Mon, 28 Feb 2022 08:19:36 -0500 Received: from mxd2.seznam.cz (mxd2.seznam.cz [IPv6:2a02:598:2::210]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D95FE2253F; Mon, 28 Feb 2022 05:18:53 -0800 (PST) Received: from email.seznam.cz by email-smtpc29b.ng.seznam.cz (email-smtpc29b.ng.seznam.cz [10.23.18.43]) id 6acc72d131c226b86b65be8f; Mon, 28 Feb 2022 14:18:23 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=seznam.cz; s=beta; t=1646054303; bh=ATrmAtNiF4huVWWQ6JPqVYqlxw8lbX2Wluf1VIMJJUQ=; 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=bpL4BcDT0dyb9yqrQDEdbM15ClBUnpJ8uEgozkNzHUWIpktc4ypgiY98UjFJy55ix K9R3HB46VvKexYjqj5YscwQ4Oq85x2432mhl8x+QkYOUbTc2T4nXGgm20U8dSDS0VY qiKUOo3kLvNjJwzvVLGsB9VP2DrCFetWzSIwdQU0= Received: from localhost.localdomain (ip-111-27.static.ccinternet.cz [147.161.27.111]) by email-relay10.ng.seznam.cz (Seznam SMTPD 1.3.136) with ESMTP; Mon, 28 Feb 2022 14:18:20 +0100 (CET) From: michael.srba@seznam.cz To: Andy Gross , Bjorn Andersson , Rob Herring , Stephen Boyd , Philipp Zabel Cc: Jeffrey Hugo , 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 v9 2/5] clk: qcom: gcc-msm8998: add SSC-related clocks Date: Mon, 28 Feb 2022 14:14:32 +0100 Message-Id: <20220228131435.29207-2-michael.srba@seznam.cz> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220228131435.29207-1-michael.srba@seznam.cz> References: <20220228131435.29207-1-michael.srba@seznam.cz> MIME-Version: 1.0 X-szn-frgn: X-szn-frgc: <0> Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org From: Michael Srba Add 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 Reviewed-by: Stephen Boyd --- CHANGES: - v2: none - v3: none - v4: reword the commit message - v5: none - v6: none - v7: change 'struct clk_init_data' to 'const struct clk_init_data', use imperative in commit message - v8: change hex constants to lowercase in accordance with the code style - v9: none --- 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..33473c52eb90 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 = &(const 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 = &(const 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 = &(const 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 = &(const 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[] = {