From patchwork Sun Mar 20 11:34:13 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christian Marangi X-Patchwork-Id: 553225 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 E60BFC43217 for ; Sun, 20 Mar 2022 16:28:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245473AbiCTQ3j (ORCPT ); Sun, 20 Mar 2022 12:29:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39832 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239460AbiCTQ3h (ORCPT ); Sun, 20 Mar 2022 12:29:37 -0400 Received: from mail-wm1-x333.google.com (mail-wm1-x333.google.com [IPv6:2a00:1450:4864:20::333]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 55773344FD; Sun, 20 Mar 2022 09:28:13 -0700 (PDT) Received: by mail-wm1-x333.google.com with SMTP id bg31-20020a05600c3c9f00b00381590dbb33so7222684wmb.3; Sun, 20 Mar 2022 09:28:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=oYnAnrWU13qc8rQ7MPOxKFwqoXsKN+1WmTS68IkDyt4=; b=duToya5GyaLrkMJnWO2Ls+N6vIz4sThEzI6BF9OYmhyrvl2ruxuAfIao2I+rTdaSxw vtKjV3zt1JeGbrLC3LH77YcdTpotON/o+N9hXrKbwXwsnp2eu9LZk55EKEdegcdJH8nc 9FopJPT3Ga9wLmX+fRy2UJ3xmZgsIXOCzwcoowAuU274HQGiJ2sPETOzW5adLwcxdN6J vwjj2m4+PMmLjCTRlMzvDM1i008MbYFC91MrF8TgYYm6XkH6XynhZbGfq3noMXWt9F9p wb86T2fp/y9DXDctCyM6lVPgW3qijB+nasEaHRHzoWSEULfQCAe96nPRxbdJjmMNQhaG /HCw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=oYnAnrWU13qc8rQ7MPOxKFwqoXsKN+1WmTS68IkDyt4=; b=tO8yRoCZxVMsm+9C4JZJNoL6bG5toPHoEgBeZHJci/KhImNuZUUX4jdnjOjVq3W9kh qf9pWKg0PFn36ArL/c79RhIuEVe7zgJqp64jmluZsIe+Pwnsp9Oxju2QrdZZI1KHLzAr E+cdulUSJxo+gb25V8/+VZLnQoaVkfMOQBL3XpftFb8s+X6XqqteA+m0DL0StK/V/FQh VY6wELNxP/zL6o0QupUmmwuMXsu1gPkM4NLUuzQSAskjgTAnbiTrE/Kl5l32sQURnq2q 8PxHctC1GRRfj/vTkehnWWgQIW9IEf9Y82MSl3gNUnBR7t8tyZ8Q5SxvtIgPCfqhBj3+ MK+Q== X-Gm-Message-State: AOAM5303J64dTi7U/0WVPzRUNHjVdJD2hn+kTWEUqZM/5y4wpQKikBLv apHO2hSDnK8wAxyVzIco7DTOP+M8FJE= X-Google-Smtp-Source: ABdhPJzsF2L39vQVemrWbD2ydWVKnPPXKF1H8NNqmf5MZ1reKui8rBG7oZSXKiz9gJuAoFmP0qhQ/g== X-Received: by 2002:a05:600c:3d0e:b0:38c:9b5e:52c0 with SMTP id bh14-20020a05600c3d0e00b0038c9b5e52c0mr4428465wmb.3.1647793691696; Sun, 20 Mar 2022 09:28:11 -0700 (PDT) Received: from Ansuel-xps.localdomain (93-42-69-170.ip85.fastwebnet.it. [93.42.69.170]) by smtp.googlemail.com with ESMTPSA id y6-20020a05600015c600b00203fa70b4ebsm6760085wry.53.2022.03.20.09.28.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 20 Mar 2022 09:28:11 -0700 (PDT) From: Ansuel Smith To: Rob Herring , Andy Gross , Bjorn Andersson , Michael Turquette , Stephen Boyd , Ansuel Smith , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org Subject: [PATCH v3 01/18] clk: introduce clk_hw_get_index_of_parent new API Date: Sun, 20 Mar 2022 12:34:13 +0100 Message-Id: <20220320113430.26076-2-ansuelsmth@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220320113430.26076-1-ansuelsmth@gmail.com> References: <20220320113430.26076-1-ansuelsmth@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Clk can have multiple parents. Some clk may require to get the cached index of other parent that are not current associated with the clk. We have clk_hw_get_parent_index() that returns the index of the current parent but we can't get the index of other parents of the provided clk. Introduce clk_hw_get_index_of_parent() to get the cached index of the parent of the provided clk. This permits a direct access of the internal clk_fetch_parent_index(). Signed-off-by: Ansuel Smith --- drivers/clk/clk.c | 14 ++++++++++++++ include/linux/clk-provider.h | 1 + 2 files changed, 15 insertions(+) diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index 8de6a22498e7..bdd70a88394c 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -1726,6 +1726,20 @@ int clk_hw_get_parent_index(struct clk_hw *hw) } EXPORT_SYMBOL_GPL(clk_hw_get_parent_index); +/** + * clk_hw_get_index_of_parent - return the index of the parent clock + * @hw: clk_hw associated with the clk being consumed + * @parent: clk_hw of the parent to be fetched the index of + * + * Fetches and returns the index of parent clock provided. + * Returns -EINVAL if the given parent index can't be provided. + */ +int clk_hw_get_index_of_parent(struct clk_hw *hw, const struct clk_hw *parent) +{ + return clk_fetch_parent_index(hw->core, parent->core); +} +EXPORT_SYMBOL_GPL(clk_hw_get_index_of_parent); + /* * Update the orphan status of @core and all its children. */ diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h index 2faa6f7aa8a8..5708c0b3ef1c 100644 --- a/include/linux/clk-provider.h +++ b/include/linux/clk-provider.h @@ -1198,6 +1198,7 @@ unsigned int clk_hw_get_num_parents(const struct clk_hw *hw); struct clk_hw *clk_hw_get_parent(const struct clk_hw *hw); struct clk_hw *clk_hw_get_parent_by_index(const struct clk_hw *hw, unsigned int index); +int clk_hw_get_index_of_parent(struct clk_hw *hw, const struct clk_hw *parent); int clk_hw_get_parent_index(struct clk_hw *hw); int clk_hw_set_parent(struct clk_hw *hw, struct clk_hw *new_parent); unsigned int __clk_get_enable_count(struct clk *clk); From patchwork Sun Mar 20 11:34:15 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christian Marangi X-Patchwork-Id: 553224 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 DEC8AC43219 for ; Sun, 20 Mar 2022 16:28:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245489AbiCTQ3o (ORCPT ); Sun, 20 Mar 2022 12:29:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39926 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245468AbiCTQ3i (ORCPT ); Sun, 20 Mar 2022 12:29:38 -0400 Received: from mail-wm1-x333.google.com (mail-wm1-x333.google.com [IPv6:2a00:1450:4864:20::333]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9C64F344DC; Sun, 20 Mar 2022 09:28:15 -0700 (PDT) Received: by mail-wm1-x333.google.com with SMTP id r190-20020a1c2bc7000000b0038a1013241dso7237256wmr.1; Sun, 20 Mar 2022 09:28:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=XhL5PcXPAVYZIaqVjbCyrF3IgCwpUk1BeN4L/hsgGTo=; b=lvVwhd3NFXJB1ApopmbOb4WGqxnI5aZIi/oFdTKyxa3QGvWs1vq+wc5nCJvXSoFl2a Z4PSWz7wFVt8r+ZyC+bPngeGL0ylzuB6AyokuE3XePfet6eHsNUMwicaV849FC/ONAzf gUcNNubL0r8iH21j8tPgUo1H/9XCVqS3kXCbE+kYbnG2VqpvKRfH7odqRpV1Ml6yL7dU Z2TgCYtbDbCSCQyEXE+z5E8t1RbtE7uw0c7TRnm+IK0DW++XGdJRVxCZyUtjVz4dVN6H seIdVDNlTjrgUD5Y8dmH/lZEeghG8H719NgaN27wnhNfC5HYclzxRb6PYX+TcVT0iw2O 5hgg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=XhL5PcXPAVYZIaqVjbCyrF3IgCwpUk1BeN4L/hsgGTo=; b=3bhU2mIqSHx6rNFqk25kLZspst7ERapvgvVGzRDk0tWgfwNGeKznw1I3Vmu+EUGx34 G+PTWsMDa3CeeHSurdiBTKsByGaasDaaxgIKw7ADTfAcLXRXP4c/ttZE5oFflpRkKU1V osrYo65ZTMU/jYwDxFFT7xIPHV5g5UOCkHjWcvFcWw4XhCxKgIGoHA0svPV8QxBaV90i DqjQ2u9d+Hjk7X2upgvcP0u60cE1rZobs5v3Zi5T+Rrf1CYo9A717rh1+WZuio3LITF4 zvIQMYTyo7VTC6Wd+ZCRcPqBHeEAAsYyzI0ohaGEVtwImwFcBLyQvE2jrnnHGLFOIWiS 1ufg== X-Gm-Message-State: AOAM53101NvWUXmHVpo2Q6nQFLYCBq5sMYqhSONWQSvmQ4tqFBkwG5AJ pF3SH70BfuH//+KLP36zOeL/H/mlPHo= X-Google-Smtp-Source: ABdhPJxKzWiavPeOkd3SpgHfRfE4hVaqD6LqknQUXwhrlb2Pg4Sr0Gzivp4d7/v+NX+Q9+ApYn68Ag== X-Received: by 2002:a05:600c:4e55:b0:38c:a453:d99a with SMTP id e21-20020a05600c4e5500b0038ca453d99amr1925787wmq.184.1647793694073; Sun, 20 Mar 2022 09:28:14 -0700 (PDT) Received: from Ansuel-xps.localdomain (93-42-69-170.ip85.fastwebnet.it. [93.42.69.170]) by smtp.googlemail.com with ESMTPSA id y6-20020a05600015c600b00203fa70b4ebsm6760085wry.53.2022.03.20.09.28.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 20 Mar 2022 09:28:13 -0700 (PDT) From: Ansuel Smith To: Rob Herring , Andy Gross , Bjorn Andersson , Michael Turquette , Stephen Boyd , Ansuel Smith , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org Subject: [PATCH v3 03/18] clk: qcom: gcc-ipq806x: add PXO_SRC in clk table Date: Sun, 20 Mar 2022 12:34:15 +0100 Message-Id: <20220320113430.26076-4-ansuelsmth@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220320113430.26076-1-ansuelsmth@gmail.com> References: <20220320113430.26076-1-ansuelsmth@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org PXO_SRC is currently defined in the gcc include and referenced in the ipq8064 DTSI. Correctly provide a clk after gcc probe to fix kernel panic if a driver starts to actually use it. Signed-off-by: Ansuel Smith --- drivers/clk/qcom/gcc-ipq806x.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/clk/qcom/gcc-ipq806x.c b/drivers/clk/qcom/gcc-ipq806x.c index 27f6d7626abb..7271d3afdc89 100644 --- a/drivers/clk/qcom/gcc-ipq806x.c +++ b/drivers/clk/qcom/gcc-ipq806x.c @@ -26,6 +26,8 @@ #include "clk-hfpll.h" #include "reset.h" +static struct clk_regmap pxo = { }; + static struct clk_pll pll0 = { .l_reg = 0x30c4, .m_reg = 0x30c8, @@ -2754,6 +2756,7 @@ static struct clk_dyn_rcg ubi32_core2_src_clk = { }; static struct clk_regmap *gcc_ipq806x_clks[] = { + [PXO_SRC] = NULL, [PLL0] = &pll0.clkr, [PLL0_VOTE] = &pll0_vote, [PLL3] = &pll3.clkr, @@ -3083,6 +3086,10 @@ static int gcc_ipq806x_probe(struct platform_device *pdev) if (ret) return ret; + clk = clk_get(dev, "pxo"); + pxo.hw = *__clk_get_hw(clk); + gcc_ipq806x_clks[PXO_SRC] = &pxo; + regmap = dev_get_regmap(dev, NULL); if (!regmap) return -ENODEV; From patchwork Sun Mar 20 11:34:17 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christian Marangi X-Patchwork-Id: 553223 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 66E68C3527C for ; Sun, 20 Mar 2022 16:28:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245514AbiCTQ3s (ORCPT ); Sun, 20 Mar 2022 12:29:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40070 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245479AbiCTQ3m (ORCPT ); Sun, 20 Mar 2022 12:29:42 -0400 Received: from mail-wr1-x430.google.com (mail-wr1-x430.google.com [IPv6:2a00:1450:4864:20::430]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3243C344DC; Sun, 20 Mar 2022 09:28:18 -0700 (PDT) Received: by mail-wr1-x430.google.com with SMTP id u16so16850496wru.4; Sun, 20 Mar 2022 09:28:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=KJy+bVD9Yq3kRrz9Gx7NWpfnxrb/beBV0JaHxbyWaTA=; b=cEoglGD+MtPj1LCuCCZuLMiLqdVULATaMu0uGt9BgJy8BBxAqnLp+KqyEDvgNd1Lq/ t2U9TbqbI1R9d+Gwm/fc1tEMl9/n+KanIP//vi/Il+HoJloMDxOxf0aJ/ffCY5zY0jVp DZz3MhFSdyuHrPj4p6XnfYpUVAjeQb7quikiu/AEZrsp2rHIJ6QIboUvdjw4lSCCdEzm c+N2PGnnfo5N6xqS6sxRDOaNR8CItuup4tKai+7el0Ty1rurZ5FEUpcNzwiYwufq62Wt F7YuNz6TH7FcqJ5oxvU2mBIzYG5P13yRhf00mtat3legkY7d7pV2pMIwwAkI+dFqlTKJ 2XZA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=KJy+bVD9Yq3kRrz9Gx7NWpfnxrb/beBV0JaHxbyWaTA=; b=zYLtqLq3tpz3hERA9le0mWSPsYKfJm5wPXKFfo82ve8TzPVRJFeQ/KbacGGXIuIY5A M394n+ujwRJ0ISO9RJaXZUu1+LYP2gl8Tkyi5ub4WUDTMrKSCgybSKNCu2Iaz8XAouNJ LtSOYTeNnqiwwBfStRsP5HN3OeMV/0WZKqiE3UMiyZeohVkBNA5CLOdGT6uL6jMca04V iaerhT7NzQZueSh0tJ7jHZmnniJ8RNGBNHuZK2ldNpoertCa5VsSL4I9F9TDJ58lC04K VeekpooRk/s/NjpGhsr0OEm7UjDW41KopUBbsfAMCY7XD6ea/Pcys0cvXRl/ObIRs0ZX YwHQ== X-Gm-Message-State: AOAM5320ubd+JFGws/V7e2AERjbHH7ziO75cQZje0/ifP6Df5GZd/NPh 4iQcxK0Pn/3LY/mUS8LP5IzD1MYzLxM= X-Google-Smtp-Source: ABdhPJw2JIU7ooviqse14YqNA/qhNtEj6Knv7qKcUYq0tPlvtH8e24pjHNNqEE7r0N8gpygJxg96kA== X-Received: by 2002:a5d:584a:0:b0:203:97f6:5975 with SMTP id i10-20020a5d584a000000b0020397f65975mr15150068wrf.612.1647793696495; Sun, 20 Mar 2022 09:28:16 -0700 (PDT) Received: from Ansuel-xps.localdomain (93-42-69-170.ip85.fastwebnet.it. [93.42.69.170]) by smtp.googlemail.com with ESMTPSA id y6-20020a05600015c600b00203fa70b4ebsm6760085wry.53.2022.03.20.09.28.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 20 Mar 2022 09:28:16 -0700 (PDT) From: Ansuel Smith To: Rob Herring , Andy Gross , Bjorn Andersson , Michael Turquette , Stephen Boyd , Ansuel Smith , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org Subject: [PATCH v3 05/18] clk: qcom: kpss-xcc: convert to parent data API Date: Sun, 20 Mar 2022 12:34:17 +0100 Message-Id: <20220320113430.26076-6-ansuelsmth@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220320113430.26076-1-ansuelsmth@gmail.com> References: <20220320113430.26076-1-ansuelsmth@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Convert the driver to parent data API. From the Documentation pll8_vote and pxo should be declared in the DTS so fw_name can be used instead of parent_names. Name is still used to save regression on old definition. Signed-off-by: Ansuel Smith --- drivers/clk/qcom/kpss-xcc.c | 25 ++++++++----------------- 1 file changed, 8 insertions(+), 17 deletions(-) diff --git a/drivers/clk/qcom/kpss-xcc.c b/drivers/clk/qcom/kpss-xcc.c index 4fec1f9142b8..347f70e9f5fe 100644 --- a/drivers/clk/qcom/kpss-xcc.c +++ b/drivers/clk/qcom/kpss-xcc.c @@ -12,9 +12,9 @@ #include #include -static const char *aux_parents[] = { - "pll8_vote", - "pxo", +static const struct clk_parent_data aux_parents[] = { + { .name = "pll8_vote", .fw_name = "pll8_vote" }, + { .name = "pxo", .fw_name = "pxo" }, }; static unsigned int aux_parent_map[] = { @@ -32,8 +32,8 @@ MODULE_DEVICE_TABLE(of, kpss_xcc_match_table); static int kpss_xcc_driver_probe(struct platform_device *pdev) { const struct of_device_id *id; - struct clk *clk; void __iomem *base; + struct clk_hw *hw; const char *name; id = of_match_device(kpss_xcc_match_table, &pdev->dev); @@ -55,24 +55,15 @@ static int kpss_xcc_driver_probe(struct platform_device *pdev) base += 0x28; } - clk = clk_register_mux_table(&pdev->dev, name, aux_parents, - ARRAY_SIZE(aux_parents), 0, base, 0, 0x3, - 0, aux_parent_map, NULL); + hw = __devm_clk_hw_register_mux(&pdev->dev, NULL, name, ARRAY_SIZE(aux_parents), + NULL, NULL, aux_parents, 0, base, 0, 0x3, + 0, aux_parent_map, NULL); - platform_set_drvdata(pdev, clk); - - return PTR_ERR_OR_ZERO(clk); -} - -static int kpss_xcc_driver_remove(struct platform_device *pdev) -{ - clk_unregister_mux(platform_get_drvdata(pdev)); - return 0; + return PTR_ERR_OR_ZERO(hw); } static struct platform_driver kpss_xcc_driver = { .probe = kpss_xcc_driver_probe, - .remove = kpss_xcc_driver_remove, .driver = { .name = "kpss-xcc", .of_match_table = kpss_xcc_match_table, From patchwork Sun Mar 20 11:34:19 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christian Marangi X-Patchwork-Id: 553222 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 9014DC4707F for ; Sun, 20 Mar 2022 16:28:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245523AbiCTQ3t (ORCPT ); Sun, 20 Mar 2022 12:29:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40190 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245485AbiCTQ3n (ORCPT ); Sun, 20 Mar 2022 12:29:43 -0400 Received: from mail-wr1-x42d.google.com (mail-wr1-x42d.google.com [IPv6:2a00:1450:4864:20::42d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4DEC534641; Sun, 20 Mar 2022 09:28:20 -0700 (PDT) Received: by mail-wr1-x42d.google.com with SMTP id d7so17849601wrb.7; Sun, 20 Mar 2022 09:28:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=uKLqUE0HqMblkYxTDEoLkraH8fYkNKsZ80vlgdu8msQ=; b=iYJ6YcWR1OzNhEc8eDm1BETiXmNRH+94pt0UUNT/Ry8CxhnaVu8rLhxSVaanLbWAhm c/COTr9lXxlL1pPmfOYijokmyi1/fa3A+3kaqN7G6yT2jzZhZrjjxkjMZeT0y0VWcP9F /i4LzKY1TszdFnnaCFBvUmxk07Zm0j/R3Emfv0KBIO2wF/8JsARYoYj26Ffm2WLbpCT1 GZG48KRjifDaA+Ry5Zui+fOhJKAsIe0QSxwOWCmoB6Woaycbf5H7zbjnkRSI74VBFhcR cXryRr6JgCM6TKrDb5dyq8UPi4TKkIZdnF+j7S1rN1aT+7lP0IaJqg6IhMLXqS4xRxSH fzqA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=uKLqUE0HqMblkYxTDEoLkraH8fYkNKsZ80vlgdu8msQ=; b=A5LUVz7t1Vm7leGhvflfryKETIf0E6kMn+EZD+vD3vSteOZWItYI2oRKpAjjou6D7V Tnnxw7u2/9rGnpGWnWFz1ghDJiEuz8iroD4kXLQ9gvK8AbP8+CXS06WdTDWA0FpmP8zN FPxeYrH0/6PSbPQAr3zzm41oefoWgvjwJoSbsLsOn93+cuiOvKEfe/4ghASVWipyc43N cl558zJI+kQQeeruAJOf7Jie+1Hr+uUUFqSwywgAyOvnahj2gL0pp4sBD1vfwucA408f 2R0E9U4Tod/9vGMYC4+QDfWjcnDENz5svLLHAo5HX3RIOWNq2M/jw0hJQjZ7jDEjXwgA kqxA== X-Gm-Message-State: AOAM533sCwGuYJWPXnzxfQlyrPLNzNERHAa+lDFuUCtMzThXXDkYA0wx O1xHfm791oE8iJtJOVxHNKk= X-Google-Smtp-Source: ABdhPJwEo0Ml4P5+engaF0NwKuix26puiUgZIE36D/s43jZyXKBC7gWtwdwHd0bHXX1D9M8rbE86gw== X-Received: by 2002:a5d:624c:0:b0:1f7:4b77:becb with SMTP id m12-20020a5d624c000000b001f74b77becbmr15134428wrv.594.1647793698760; Sun, 20 Mar 2022 09:28:18 -0700 (PDT) Received: from Ansuel-xps.localdomain (93-42-69-170.ip85.fastwebnet.it. [93.42.69.170]) by smtp.googlemail.com with ESMTPSA id y6-20020a05600015c600b00203fa70b4ebsm6760085wry.53.2022.03.20.09.28.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 20 Mar 2022 09:28:18 -0700 (PDT) From: Ansuel Smith To: Rob Herring , Andy Gross , Bjorn Andersson , Michael Turquette , Stephen Boyd , Ansuel Smith , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org Subject: [PATCH v3 07/18] clk: qcom: clk-krait: add hw_parent check for div2_round_rate Date: Sun, 20 Mar 2022 12:34:19 +0100 Message-Id: <20220320113430.26076-8-ansuelsmth@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220320113430.26076-1-ansuelsmth@gmail.com> References: <20220320113430.26076-1-ansuelsmth@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Check if hw_parent is present before calculating the round_rate to prevent kernel panic. On error -EINVAL is reported. Signed-off-by: Ansuel Smith --- drivers/clk/qcom/clk-krait.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/clk/qcom/clk-krait.c b/drivers/clk/qcom/clk-krait.c index e447fcc3806d..b6b7650dbf15 100644 --- a/drivers/clk/qcom/clk-krait.c +++ b/drivers/clk/qcom/clk-krait.c @@ -80,7 +80,12 @@ EXPORT_SYMBOL_GPL(krait_mux_clk_ops); static long krait_div2_round_rate(struct clk_hw *hw, unsigned long rate, unsigned long *parent_rate) { - *parent_rate = clk_hw_round_rate(clk_hw_get_parent(hw), rate * 2); + struct clk_hw *hw_parent = clk_hw_get_parent(hw); + + if (!hw_parent) + return -EINVAL; + + *parent_rate = clk_hw_round_rate(hw_parent, rate * 2); return DIV_ROUND_UP(*parent_rate, 2); } From patchwork Sun Mar 20 11:34:21 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christian Marangi X-Patchwork-Id: 553221 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 A27E1C3527D for ; Sun, 20 Mar 2022 16:28:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245534AbiCTQ3w (ORCPT ); Sun, 20 Mar 2022 12:29:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40342 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245495AbiCTQ3q (ORCPT ); Sun, 20 Mar 2022 12:29:46 -0400 Received: from mail-wm1-x32d.google.com (mail-wm1-x32d.google.com [IPv6:2a00:1450:4864:20::32d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A6DEE34656; Sun, 20 Mar 2022 09:28:22 -0700 (PDT) Received: by mail-wm1-x32d.google.com with SMTP id o30-20020a05600c511e00b0038c9cfb79cbso459518wms.1; Sun, 20 Mar 2022 09:28:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=YuacHx0JsXxYcT0I9GUMkZ9rOmfUJZlRqGllxjL2g6w=; b=eWFE4ObkZaO8EEYJkVeLQHWVjCylfQT5ul3qDz+SJnRyKID+ak07AnKQXwR29HXJpz iFKD5BOSpQJ1ifEwCzMTxLdR2GhDho0iKVT1Ty6Ct4JhTqWw0E5QMDG5Zg6dSvPJmjxN ppO0MEwBQcByrxK+d5mHL96rIlC3JfXDSaT7pOpR2R6ksxzdk6tshfoayATordUmvrEa +7UPxZlROnDeXml30WbXag37WVTRn9PHYKlxSgcqxx4mP4Z1uH/Sw8O959j4iwZACAuF qa4NOhiXFhj6/BX2BoyG2FAv9+2BAOK+hakK226Me2YehgPO8jFs1ZQdvBwVhYDIVOwT dbMA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=YuacHx0JsXxYcT0I9GUMkZ9rOmfUJZlRqGllxjL2g6w=; b=zuLcTuualRcKU+bGtvuL61OdEEHmRTpjgdH00KeXGLXKv1D64DalLqjQRcFb/R2vI5 CI/AqQXdeShckh45P28jU3AWoNIvpFjPC83M4VmcRDUE0DMQPc/CSBtt3ID4LbngoUxA jwLqSxOECOIWd4nAi9gtu4RQG8pQKX4XObBfpD1J8eJmRPrZDub3JRnZ5q5ryFrt3yK4 qvttqFoNxtJ3gdBy3Yk7GbXwahWUT3TXvtMgSilztprpO1UDS1oOnAZi11XKr536f866 4zrzENKTQyyUK26xHB9RHN3Gxapb7ffLJo2kv14QOCupZTk+p1rhcT8J4Q4HnLXmyr8z 9wng== X-Gm-Message-State: AOAM532HwSWm47itO5e4XmAJ04AxnuiaiCcxTr6b2zY3GJL4DEpAUleo 4uFzgPeSwb04Y6qajvOJX4w= X-Google-Smtp-Source: ABdhPJwFNPxi31n7RiMY9yAhJ48j3uVzfhH3/crsYKX+EvU4Jbw4q2xUcH1qhFrrgmy805KX4rONsg== X-Received: by 2002:a05:600c:3556:b0:389:d214:baac with SMTP id i22-20020a05600c355600b00389d214baacmr23958541wmq.92.1647793701108; Sun, 20 Mar 2022 09:28:21 -0700 (PDT) Received: from Ansuel-xps.localdomain (93-42-69-170.ip85.fastwebnet.it. [93.42.69.170]) by smtp.googlemail.com with ESMTPSA id y6-20020a05600015c600b00203fa70b4ebsm6760085wry.53.2022.03.20.09.28.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 20 Mar 2022 09:28:20 -0700 (PDT) From: Ansuel Smith To: Rob Herring , Andy Gross , Bjorn Andersson , Michael Turquette , Stephen Boyd , Ansuel Smith , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org Subject: [PATCH v3 09/18] clk: qcom: krait-cc: drop pr_info and register qsb only if needed Date: Sun, 20 Mar 2022 12:34:21 +0100 Message-Id: <20220320113430.26076-10-ansuelsmth@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220320113430.26076-1-ansuelsmth@gmail.com> References: <20220320113430.26076-1-ansuelsmth@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Replace pr_info() with dev_info() to provide better diagnostics. Register qsb fixed clk only if it's not declared in DTS. Signed-off-by: Ansuel Smith --- drivers/clk/qcom/krait-cc.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/drivers/clk/qcom/krait-cc.c b/drivers/clk/qcom/krait-cc.c index 645ad9e8dd73..e9508e3104ea 100644 --- a/drivers/clk/qcom/krait-cc.c +++ b/drivers/clk/qcom/krait-cc.c @@ -308,7 +308,9 @@ static int krait_cc_probe(struct platform_device *pdev) return -ENODEV; /* Rate is 1 because 0 causes problems for __clk_mux_determine_rate */ - clk = clk_register_fixed_rate(dev, "qsb", NULL, 0, 1); + if (IS_ERR(clk_get(dev, "qsb"))) + clk = clk_register_fixed_rate(dev, "qsb", NULL, 0, 1); + if (IS_ERR(clk)) return PTR_ERR(clk); @@ -363,25 +365,25 @@ static int krait_cc_probe(struct platform_device *pdev) cur_rate = clk_get_rate(l2_pri_mux_clk); aux_rate = 384000000; if (cur_rate == 1) { - pr_info("L2 @ QSB rate. Forcing new rate.\n"); + dev_info(dev, "L2 @ QSB rate. Forcing new rate.\n"); cur_rate = aux_rate; } clk_set_rate(l2_pri_mux_clk, aux_rate); clk_set_rate(l2_pri_mux_clk, 2); clk_set_rate(l2_pri_mux_clk, cur_rate); - pr_info("L2 @ %lu KHz\n", clk_get_rate(l2_pri_mux_clk) / 1000); + dev_info(dev, "L2 @ %lu KHz\n", clk_get_rate(l2_pri_mux_clk) / 1000); for_each_possible_cpu(cpu) { clk = clks[cpu]; cur_rate = clk_get_rate(clk); if (cur_rate == 1) { - pr_info("CPU%d @ QSB rate. Forcing new rate.\n", cpu); + dev_info(dev, "CPU%d @ QSB rate. Forcing new rate.\n", cpu); cur_rate = aux_rate; } clk_set_rate(clk, aux_rate); clk_set_rate(clk, 2); clk_set_rate(clk, cur_rate); - pr_info("CPU%d @ %lu KHz\n", cpu, clk_get_rate(clk) / 1000); + dev_info(dev, "CPU%d @ %lu KHz\n", cpu, clk_get_rate(clk) / 1000); } of_clk_add_provider(dev->of_node, krait_of_get, clks); From patchwork Sun Mar 20 11:34:22 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christian Marangi X-Patchwork-Id: 553220 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 C144EC4167E for ; Sun, 20 Mar 2022 16:28:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245538AbiCTQ3w (ORCPT ); Sun, 20 Mar 2022 12:29:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40342 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245503AbiCTQ3r (ORCPT ); Sun, 20 Mar 2022 12:29:47 -0400 Received: from mail-wm1-x32a.google.com (mail-wm1-x32a.google.com [IPv6:2a00:1450:4864:20::32a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D29C234641; Sun, 20 Mar 2022 09:28:23 -0700 (PDT) Received: by mail-wm1-x32a.google.com with SMTP id r7so7310266wmq.2; Sun, 20 Mar 2022 09:28:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=HxwJ/rmGXQIKgHQmjTVr7v/2TGpe+xuVVbkVjt0eYLU=; b=Fw76zuB6gLSIMCVwLdXOTwyVXT9jJ2qiMHKBNtsDigG8z0+gUas5O8myeSTbQkgIi0 TqytG10ca64z6CO6GF/jb0MDjGsXIyGs+uFZJ5inlFDWUkz/GesxTrZVCKiD+13cZ8rQ w0bvfSUllN/tFLFPwmQdQOXH20cjS/ZNGOwr8cK+tpcs9ne3cYlc6JQblWZ/yzrHIn6F P8h08WqVTSPPrw5IuE4gle5A3vxEsyK+e2K4Uf4apu/aPkc4luiMaPK8SmK26Nvx0i9g P9YVWNaO0ztQDk/U4p9/JbIAMMJ6tXpGhx+xJkaDwK7lhpqJPNHBXtYOeQOtAHAv8MGh Va2Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=HxwJ/rmGXQIKgHQmjTVr7v/2TGpe+xuVVbkVjt0eYLU=; b=fLxeQhucs/1Km/U5i7WfQ6Ri8yEB1+pc2PJKJAkC7JUEhLec8dNWGBBNj4+w1OB5tB 1J8ENjaArpePLk6eXoQ2uhvp4kFThNK0ixbHj7dLs6kASIdvY5gZEHndUWLOqFcmPfjz 1PXmYOlAUAr06GwAGDkCdFnhUpVaG28cLgCNTPwp5+oJHxbzUgo7KgWE++0QGoymv9Pc bWuCipcKy+KtZlCn6nGih2Ndmu1xx/C05uAcfb8spJap8rAKEC+3aB4704kwIkVwxTAD S3D4nr7nHzsNPBwDLSoCCjMglsGSv4/kfVON4oBEWRJbPQw3eZTGZVMM1vXVVUaEMdiX JBVA== X-Gm-Message-State: AOAM531R6dfWvOa4m421bXwcbGl87AcadMyFUO8nDFEdUJwugSfJAyg3 toR4NGvEaIifx+xjSVRUinTxxLYg6fE= X-Google-Smtp-Source: ABdhPJwKyCiufu6SXTgIc4tA9sWhCl9JCxr5qnw4T6gbPmSp5K13LJbFcCCRwRGZVrsm6tBsDfjh0w== X-Received: by 2002:a05:600c:3c8a:b0:389:cf43:eaf6 with SMTP id bg10-20020a05600c3c8a00b00389cf43eaf6mr15983930wmb.199.1647793702258; Sun, 20 Mar 2022 09:28:22 -0700 (PDT) Received: from Ansuel-xps.localdomain (93-42-69-170.ip85.fastwebnet.it. [93.42.69.170]) by smtp.googlemail.com with ESMTPSA id y6-20020a05600015c600b00203fa70b4ebsm6760085wry.53.2022.03.20.09.28.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 20 Mar 2022 09:28:21 -0700 (PDT) From: Ansuel Smith To: Rob Herring , Andy Gross , Bjorn Andersson , Michael Turquette , Stephen Boyd , Ansuel Smith , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org Subject: [PATCH v3 10/18] clk: qcom: krait-cc: drop hardcoded safe_sel Date: Sun, 20 Mar 2022 12:34:22 +0100 Message-Id: <20220320113430.26076-11-ansuelsmth@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220320113430.26076-1-ansuelsmth@gmail.com> References: <20220320113430.26076-1-ansuelsmth@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Drop hardcoded safe_sel definition and use helper to correctly calculate it. We assume qsb clk is always present as it should be declared in DTS per Documentation and in the absence of that, it's declared as a fixed clk. Signed-off-by: Ansuel Smith --- drivers/clk/qcom/krait-cc.c | 40 +++++++++++++++++++++++++------------ 1 file changed, 27 insertions(+), 13 deletions(-) diff --git a/drivers/clk/qcom/krait-cc.c b/drivers/clk/qcom/krait-cc.c index e9508e3104ea..5f98ee1c3681 100644 --- a/drivers/clk/qcom/krait-cc.c +++ b/drivers/clk/qcom/krait-cc.c @@ -26,6 +26,17 @@ static unsigned int pri_mux_map[] = { 0, }; +static u8 krait_get_mux_sel(struct krait_mux_clk *mux, struct clk *safe_clk) +{ + struct clk_hw *safe_hw = __clk_get_hw(safe_clk); + + /* + * We can ignore errors from clk_hw_get_index_of_parent() + * as we create these parents in this driver. + */ + return clk_hw_get_index_of_parent(&mux->hw, safe_hw); +} + /* * Notifier function for switching the muxes to safe parent * while the hfpll is getting reprogrammed. @@ -116,8 +127,8 @@ krait_add_div(struct device *dev, int id, const char *s, unsigned int offset) } static struct clk * -krait_add_sec_mux(struct device *dev, int id, const char *s, - unsigned int offset, bool unique_aux) +krait_add_sec_mux(struct device *dev, struct clk *qsb, int id, + const char *s, unsigned int offset, bool unique_aux) { int ret; struct krait_mux_clk *mux; @@ -144,7 +155,6 @@ krait_add_sec_mux(struct device *dev, int id, const char *s, mux->shift = 2; mux->parent_map = sec_mux_map; mux->hw.init = &init; - mux->safe_sel = 0; init.name = kasprintf(GFP_KERNEL, "krait%s_sec_mux", s); if (!init.name) @@ -166,6 +176,7 @@ krait_add_sec_mux(struct device *dev, int id, const char *s, if (IS_ERR(clk)) goto err_clk; + mux->safe_sel = krait_get_mux_sel(mux, qsb); ret = krait_notifier_register(dev, clk, mux); if (ret) clk = ERR_PTR(ret); @@ -204,7 +215,6 @@ krait_add_pri_mux(struct device *dev, struct clk *hfpll_div, struct clk *sec_mux mux->lpl = id >= 0; mux->parent_map = pri_mux_map; mux->hw.init = &init; - mux->safe_sel = 2; init.name = kasprintf(GFP_KERNEL, "krait%s_pri_mux", s); if (!init.name) @@ -226,6 +236,7 @@ krait_add_pri_mux(struct device *dev, struct clk *hfpll_div, struct clk *sec_mux if (IS_ERR(clk)) goto err_clk; + mux->safe_sel = krait_get_mux_sel(mux, sec_mux); ret = krait_notifier_register(dev, clk, mux); if (ret) clk = ERR_PTR(ret); @@ -238,7 +249,9 @@ krait_add_pri_mux(struct device *dev, struct clk *hfpll_div, struct clk *sec_mux } /* id < 0 for L2, otherwise id == physical CPU number */ -static struct clk *krait_add_clks(struct device *dev, int id, bool unique_aux) +static struct clk * +krait_add_clks(struct device *dev, struct clk *qsb, int id, + bool unique_aux) { unsigned int offset; void *p = NULL; @@ -261,7 +274,7 @@ static struct clk *krait_add_clks(struct device *dev, int id, bool unique_aux) goto err; } - sec_mux = krait_add_sec_mux(dev, id, s, offset, unique_aux); + sec_mux = krait_add_sec_mux(dev, qsb, id, s, offset, unique_aux); if (IS_ERR(sec_mux)) { clk = sec_mux; goto err; @@ -301,18 +314,19 @@ static int krait_cc_probe(struct platform_device *pdev) int cpu; struct clk *clk; struct clk **clks; - struct clk *l2_pri_mux_clk; + struct clk *l2_pri_mux_clk, *qsb; id = of_match_device(krait_cc_match_table, dev); if (!id) return -ENODEV; /* Rate is 1 because 0 causes problems for __clk_mux_determine_rate */ - if (IS_ERR(clk_get(dev, "qsb"))) - clk = clk_register_fixed_rate(dev, "qsb", NULL, 0, 1); + qsb = clk_get(dev, "qsb"); + if (IS_ERR(qsb)) + qsb = clk_register_fixed_rate(dev, "qsb", NULL, 0, 1); - if (IS_ERR(clk)) - return PTR_ERR(clk); + if (IS_ERR(qsb)) + return PTR_ERR(qsb); if (!id->data) { clk = clk_register_fixed_factor(dev, "acpu_aux", @@ -327,13 +341,13 @@ static int krait_cc_probe(struct platform_device *pdev) return -ENOMEM; for_each_possible_cpu(cpu) { - clk = krait_add_clks(dev, cpu, id->data); + clk = krait_add_clks(dev, qsb, cpu, id->data); if (IS_ERR(clk)) return PTR_ERR(clk); clks[cpu] = clk; } - l2_pri_mux_clk = krait_add_clks(dev, -1, id->data); + l2_pri_mux_clk = krait_add_clks(dev, qsb, -1, id->data); if (IS_ERR(l2_pri_mux_clk)) return PTR_ERR(l2_pri_mux_clk); clks[4] = l2_pri_mux_clk; From patchwork Sun Mar 20 11:34:24 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christian Marangi X-Patchwork-Id: 553219 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 17D00C41535 for ; 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[93.42.69.170]) by smtp.googlemail.com with ESMTPSA id y6-20020a05600015c600b00203fa70b4ebsm6760085wry.53.2022.03.20.09.28.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 20 Mar 2022 09:28:24 -0700 (PDT) From: Ansuel Smith To: Rob Herring , Andy Gross , Bjorn Andersson , Michael Turquette , Stephen Boyd , Ansuel Smith , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org Subject: [PATCH v3 12/18] clk: qcom: clk-krait: add apq/ipq8064 errata workaround Date: Sun, 20 Mar 2022 12:34:24 +0100 Message-Id: <20220320113430.26076-13-ansuelsmth@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220320113430.26076-1-ansuelsmth@gmail.com> References: <20220320113430.26076-1-ansuelsmth@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Add apq/ipq8064 errata workaround where the sec_src clock gating needs to be disabled during switching. To enable this set disable_sec_src_gating in the mux struct. Signed-off-by: Ansuel Smith --- drivers/clk/qcom/clk-krait.c | 16 ++++++++++++++++ drivers/clk/qcom/clk-krait.h | 1 + drivers/clk/qcom/krait-cc.c | 1 + 3 files changed, 18 insertions(+) diff --git a/drivers/clk/qcom/clk-krait.c b/drivers/clk/qcom/clk-krait.c index b6b7650dbf15..7ba5dbc72bce 100644 --- a/drivers/clk/qcom/clk-krait.c +++ b/drivers/clk/qcom/clk-krait.c @@ -18,13 +18,23 @@ static DEFINE_SPINLOCK(krait_clock_reg_lock); #define LPL_SHIFT 8 +#define SECCLKAGD BIT(4) + static void __krait_mux_set_sel(struct krait_mux_clk *mux, int sel) { unsigned long flags; u32 regval; spin_lock_irqsave(&krait_clock_reg_lock, flags); + regval = krait_get_l2_indirect_reg(mux->offset); + + /* apq/ipq8064 Errata: disable sec_src clock gating during switch. */ + if (mux->disable_sec_src_gating) { + regval |= SECCLKAGD; + krait_set_l2_indirect_reg(mux->offset, regval); + } + regval &= ~(mux->mask << mux->shift); regval |= (sel & mux->mask) << mux->shift; if (mux->lpl) { @@ -33,6 +43,12 @@ static void __krait_mux_set_sel(struct krait_mux_clk *mux, int sel) } krait_set_l2_indirect_reg(mux->offset, regval); + /* apq/ipq8064 Errata: re-enabled sec_src clock gating. */ + if (mux->disable_sec_src_gating) { + regval &= ~SECCLKAGD; + krait_set_l2_indirect_reg(mux->offset, regval); + } + /* Wait for switch to complete. */ mb(); udelay(1); diff --git a/drivers/clk/qcom/clk-krait.h b/drivers/clk/qcom/clk-krait.h index 9120bd2f5297..f930538c539e 100644 --- a/drivers/clk/qcom/clk-krait.h +++ b/drivers/clk/qcom/clk-krait.h @@ -15,6 +15,7 @@ struct krait_mux_clk { u8 safe_sel; u8 old_index; bool reparent; + bool disable_sec_src_gating; struct clk_hw hw; struct notifier_block clk_nb; diff --git a/drivers/clk/qcom/krait-cc.c b/drivers/clk/qcom/krait-cc.c index 299eb4c81d96..cb8b267f1dc5 100644 --- a/drivers/clk/qcom/krait-cc.c +++ b/drivers/clk/qcom/krait-cc.c @@ -157,6 +157,7 @@ krait_add_sec_mux(struct device *dev, struct clk *qsb, int id, mux->shift = 2; mux->parent_map = sec_mux_map; mux->hw.init = &init; + mux->disable_sec_src_gating = true; init.name = kasprintf(GFP_KERNEL, "krait%s_sec_mux", s); if (!init.name) From patchwork Sun Mar 20 11:34:26 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christian Marangi X-Patchwork-Id: 553218 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 D4B74C433FE for ; Sun, 20 Mar 2022 16:28:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245599AbiCTQaE (ORCPT ); Sun, 20 Mar 2022 12:30:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40904 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245557AbiCTQ3z (ORCPT ); Sun, 20 Mar 2022 12:29:55 -0400 Received: from mail-wr1-x42c.google.com (mail-wr1-x42c.google.com [IPv6:2a00:1450:4864:20::42c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 665923585B; Sun, 20 Mar 2022 09:28:28 -0700 (PDT) Received: by mail-wr1-x42c.google.com with SMTP id j10so4786862wrb.13; Sun, 20 Mar 2022 09:28:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=Uw2FgXL2MG6c1O6jLTs0CVZuitMyMBRaze5ZuwDxY6M=; b=MlcxB5b6b6VXQQFL4W/XmzxZwI1BpuQNepAMcrLZAhfmZZRhm1j1W6jChuCiwZ50Fw Mb3IVa66bZUPLCi4X7WRw/hcAflBCE2r2dKnKcAdRGfgMScfi/JYhtpD+O0JhspS4xwk yn8tusbHISLjtvBd8hF16y+TmTZ5OJ8IOT7dbh/OnLawNn4cAEQadxuHHXGIxN5DdR0C A/XW0tp7jmBMU3sBEOMjsohrazOlB37opjvsftWsShWGnHz+1g5g9ULOHRp9Zj6K1xd2 onR0GxF1ccM4Fi22Pz01YsM9sMIoBAsniaUD7CSZYQR9Yvjtq4DI29kf1e7BfDvemwsu d+Jw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Uw2FgXL2MG6c1O6jLTs0CVZuitMyMBRaze5ZuwDxY6M=; b=sZld4a6u/okxgmQX8XBs8/IB8AfTvl13d0yCJFLQ/QtcjekTjHdyDb0W6Fl5z4px2z 46ebTShbb5MiwdBOOFnZyBsTh6u6yYgcIYCvzP8h58h1vXsS0a5hu513Nha4FtjI2Y5Q OzSJSa9eWPsNbT+XQvbNNIKplog08wnd5r6jkpc4RMWoDAFbODhnSnvIjty6DVl5XmKc 6i0DRSXq9yXaj/gnNoeDQS3X51Am8nOblf6R1pdFIqtvhL88oADP+8Mn8KrBnFjMA12M Qzisqu6+uqGfvKRth4s8m//5vNiDaPHSzq0eQ2NapejWIhaZg3VM7KM59Vqsuo5FV/RO p8hw== X-Gm-Message-State: AOAM533w0RaubIp41YrIc2bD0tjBBYtj9DTg56lfxjBti6t/WS96x/xN ccNU2FL8KbFYUx+CqCN9wrk= X-Google-Smtp-Source: ABdhPJxuN/CtqeHIEo6ox/UTDdleHxTwkFNSSbvHF/17UR/qoDBoag9oEwXwNDgCcK4K+MmQ2aMlTA== X-Received: by 2002:a05:6000:1ace:b0:203:d465:1a83 with SMTP id i14-20020a0560001ace00b00203d4651a83mr15195713wry.26.1647793706671; Sun, 20 Mar 2022 09:28:26 -0700 (PDT) Received: from Ansuel-xps.localdomain (93-42-69-170.ip85.fastwebnet.it. [93.42.69.170]) by smtp.googlemail.com with ESMTPSA id y6-20020a05600015c600b00203fa70b4ebsm6760085wry.53.2022.03.20.09.28.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 20 Mar 2022 09:28:26 -0700 (PDT) From: Ansuel Smith To: Rob Herring , Andy Gross , Bjorn Andersson , Michael Turquette , Stephen Boyd , Ansuel Smith , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org Subject: [PATCH v3 14/18] dt-bindings: clock: Convert qcom,krait-cc to yaml Date: Sun, 20 Mar 2022 12:34:26 +0100 Message-Id: <20220320113430.26076-15-ansuelsmth@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220320113430.26076-1-ansuelsmth@gmail.com> References: <20220320113430.26076-1-ansuelsmth@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Convert qcom,krait-cc to yaml Documentation. Signed-off-by: Ansuel Smith --- .../bindings/clock/qcom,krait-cc.txt | 34 ----------- .../bindings/clock/qcom,krait-cc.yaml | 59 +++++++++++++++++++ 2 files changed, 59 insertions(+), 34 deletions(-) delete mode 100644 Documentation/devicetree/bindings/clock/qcom,krait-cc.txt create mode 100644 Documentation/devicetree/bindings/clock/qcom,krait-cc.yaml diff --git a/Documentation/devicetree/bindings/clock/qcom,krait-cc.txt b/Documentation/devicetree/bindings/clock/qcom,krait-cc.txt deleted file mode 100644 index 030ba60dab08..000000000000 --- a/Documentation/devicetree/bindings/clock/qcom,krait-cc.txt +++ /dev/null @@ -1,34 +0,0 @@ -Krait Clock Controller - -PROPERTIES - -- compatible: - Usage: required - Value type: - Definition: must be one of: - "qcom,krait-cc-v1" - "qcom,krait-cc-v2" - -- #clock-cells: - Usage: required - Value type: - Definition: must be 1 - -- clocks: - Usage: required - Value type: - Definition: reference to the clock parents of hfpll, secondary muxes. - -- clock-names: - Usage: required - Value type: - Definition: must be "hfpll0", "hfpll1", "acpu0_aux", "acpu1_aux", "qsb". - -Example: - - kraitcc: clock-controller { - compatible = "qcom,krait-cc-v1"; - clocks = <&hfpll0>, <&hfpll1>, <&acpu0_aux>, <&acpu1_aux>, ; - clock-names = "hfpll0", "hfpll1", "acpu0_aux", "acpu1_aux", "qsb"; - #clock-cells = <1>; - }; diff --git a/Documentation/devicetree/bindings/clock/qcom,krait-cc.yaml b/Documentation/devicetree/bindings/clock/qcom,krait-cc.yaml new file mode 100644 index 000000000000..3223fce915bb --- /dev/null +++ b/Documentation/devicetree/bindings/clock/qcom,krait-cc.yaml @@ -0,0 +1,59 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/qcom,krait-cc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Krait Clock Controller + +maintainers: + - Ansuel Smith + +description: | + Qualcomm Krait Clock Controller used to correctly scale the CPU and the L2 + rates. + +properties: + compatible: + enum: + - qcom,krait-cc-v1 + - qcom,krait-cc-v2 + + clocks: + items: + - description: phandle to hfpll for CPU0 mux + - description: phandle to hfpll for CPU1 mux + - description: phandle to CPU0 aux clock + - description: phandle to CPU1 aux clock + - description: phandle to QSB fixed clk + + clock-names: + items: + - const: hfpll0 + - const: hfpll1 + - const: acpu0_aux + - const: acpu1_aux + - const: qsb + + '#clock-cells': + const: 1 + +required: + - compatible + - clocks + - clock-names + - '#clock-cells' + +additionalProperties: false + +examples: + - | + clock-controller { + compatible = "qcom,krait-cc-v1"; + clocks = <&hfpll0>, <&hfpll1>, <&hfpll_l2>, + <&acpu0_aux>, <&acpu1_aux>, <&acpu_l2_aux>, <&qsb>; + clock-names = "hfpll0", "hfpll1", + "acpu0_aux", "acpu1_aux", "qsb"; + #clock-cells = <1>; + }; +... From patchwork Sun Mar 20 11:34:28 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christian Marangi X-Patchwork-Id: 553217 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 844ECC433EF for ; Sun, 20 Mar 2022 16:28:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245609AbiCTQaH (ORCPT ); Sun, 20 Mar 2022 12:30:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40906 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245572AbiCTQ34 (ORCPT ); Sun, 20 Mar 2022 12:29:56 -0400 Received: from mail-wr1-x432.google.com (mail-wr1-x432.google.com [IPv6:2a00:1450:4864:20::432]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6C75035DD9; Sun, 20 Mar 2022 09:28:30 -0700 (PDT) Received: by mail-wr1-x432.google.com with SMTP id j10so4786937wrb.13; Sun, 20 Mar 2022 09:28:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=KF5KajzdUjlsueHw3PGEQrW6QOzbz3BzoTgHX03BJeo=; b=Y7BNVTk9cezmPcQXjAAq4bwk2ilXOMmt9Z496mY93lqThWnVj6vnnRNj+OtZGZVivV 4IQnYi4l2k/trw38zXP/hlrF4rDf8mevN09wTfk6yxoIRb9aRyFhhdLVjhtmTpqnPZLk jwgLXx5oQXTL4WLVHA8G32CONxqA2uZmxWavRCs86VzGGI/JZ0goffQxJlZyun8pAYE7 XOFfF4BMwru6cmQuHOM/g01NAQjTzpqA3LRCRqVZintsuidcbVet3Wa+MeWJy7bSluto WZck3Vkgt3oWeUaAX5IYvKEUqhINB6jrNuSwHRxitOxOasMZnoYXrBz2TbMiUoOuXWBo SXFA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=KF5KajzdUjlsueHw3PGEQrW6QOzbz3BzoTgHX03BJeo=; b=j+4y7ak+3mAQlDB2p6TnBzzt3tCyKePymP2VxvD2UIuNvkQuzAnBX8Qz+fc58vIee0 tA1HBMNJo/GZGhuurEa27NiR9VdPDcf8vEzfb1y5durOemy5VrilWPKHGQ9nh8i12DSa VgiZkADaBrb4HNJGIcMFbeTLzYUvfyjz9hwwzcg/uyemeIOJe2Qd6z7NgZQUI1mGI3R3 OTxMHFc4gLVXbmZxnrJ2rEESVjpNZF/I9WhxTiRASBaoU5xtrYS+yZP+dEeaOZ3oIGTc v1fSgaLS0Vi/Zf1simzAKl5iUmKyeL2DlFQJzxaP+efcCl8exCBLlG5fAJtG/wIaXdIS rx9w== X-Gm-Message-State: AOAM532ydYiDletNIYugm9UGbBzQiUhqsVeuwVPLLaOi2/6bfLJXVMlb W0o6SrE8Gt6W+6D7gYO+7F0= X-Google-Smtp-Source: ABdhPJxJAudWDgGVXloA9ASuQeNZSLaofQoYZDfhUlmOiZZYr4SgIdHrP6qALbzZcMc9DOhe5FKZ7g== X-Received: by 2002:adf:ab09:0:b0:203:f9ce:cc1d with SMTP id q9-20020adfab09000000b00203f9cecc1dmr8590497wrc.269.1647793708830; Sun, 20 Mar 2022 09:28:28 -0700 (PDT) Received: from Ansuel-xps.localdomain (93-42-69-170.ip85.fastwebnet.it. [93.42.69.170]) by smtp.googlemail.com with ESMTPSA id y6-20020a05600015c600b00203fa70b4ebsm6760085wry.53.2022.03.20.09.28.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 20 Mar 2022 09:28:28 -0700 (PDT) From: Ansuel Smith To: Rob Herring , Andy Gross , Bjorn Andersson , Michael Turquette , Stephen Boyd , Ansuel Smith , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org Subject: [PATCH v3 16/18] ARM: dts: qcom: qcom-ipq8064: add missing krait-cc compatible and clocks Date: Sun, 20 Mar 2022 12:34:28 +0100 Message-Id: <20220320113430.26076-17-ansuelsmth@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220320113430.26076-1-ansuelsmth@gmail.com> References: <20220320113430.26076-1-ansuelsmth@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Add missing krait-cc clock-controller and define missing aux clock for CPUs. Also change phandle for l2cc node to point to pxo_board instead of gcc PXO_SRC. Signed-off-by: Ansuel Smith --- arch/arm/boot/dts/qcom-ipq8064.dtsi | 20 +++++++++++++++++++- 1 file changed, 19 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/qcom-ipq8064.dtsi b/arch/arm/boot/dts/qcom-ipq8064.dtsi index 996f4458d9fc..888f17d64283 100644 --- a/arch/arm/boot/dts/qcom-ipq8064.dtsi +++ b/arch/arm/boot/dts/qcom-ipq8064.dtsi @@ -468,11 +468,19 @@ IRQ_TYPE_EDGE_RISING)>, acc0: clock-controller@2088000 { compatible = "qcom,kpss-acc-v1"; reg = <0x02088000 0x1000>, <0x02008000 0x1000>; + clock-output-names = "acpu0_aux"; + clocks = <&gcc PLL8_VOTE>, <&pxo_board>; + clock-names = "pll8_vote", "pxo"; + #clock-cells = <0>; }; acc1: clock-controller@2098000 { compatible = "qcom,kpss-acc-v1"; reg = <0x02098000 0x1000>, <0x02008000 0x1000>; + clock-output-names = "acpu1_aux"; + clocks = <&gcc PLL8_VOTE>, <&pxo_board>; + clock-names = "pll8_vote", "pxo"; + #clock-cells = <0>; }; adm_dma: dma-controller@18300000 { @@ -782,11 +790,21 @@ tcsr: syscon@1a400000 { l2cc: clock-controller@2011000 { compatible = "qcom,kpss-gcc", "syscon"; reg = <0x2011000 0x1000>; - clocks = <&gcc PLL8_VOTE>, <&gcc PXO_SRC>; + clocks = <&gcc PLL8_VOTE>, <&pxo_board>; clock-names = "pll8_vote", "pxo"; clock-output-names = "acpu_l2_aux"; }; + kraitcc: clock-controller { + compatible = "qcom,krait-cc-v1"; + clocks = <&gcc PLL9>, <&gcc PLL10>, <&gcc PLL12>, + <&acc0>, <&acc1>, <&l2cc>, <&qsb>; + clock-names = "hfpll0", "hfpll1", "hfpll_l2", + "acpu0_aux", "acpu1_aux", "acpu_l2_aux", + "qsb"; + #clock-cells = <1>; + }; + lcc: clock-controller@28000000 { compatible = "qcom,lcc-ipq8064"; reg = <0x28000000 0x1000>; From patchwork Sun Mar 20 11:34:30 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christian Marangi X-Patchwork-Id: 553216 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 4BB38C433F5 for ; Sun, 20 Mar 2022 16:28:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245586AbiCTQaN (ORCPT ); Sun, 20 Mar 2022 12:30:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41952 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245585AbiCTQaD (ORCPT ); Sun, 20 Mar 2022 12:30:03 -0400 Received: from mail-wm1-x32b.google.com (mail-wm1-x32b.google.com [IPv6:2a00:1450:4864:20::32b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A4B0134656; Sun, 20 Mar 2022 09:28:32 -0700 (PDT) Received: by mail-wm1-x32b.google.com with SMTP id bg31-20020a05600c3c9f00b00381590dbb33so7222886wmb.3; Sun, 20 Mar 2022 09:28:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=bUbi/jkzYIKSOu8T7OV/skgoIWQk4BHawXnXdm1xB5I=; b=QBfsjPV1XhoP5TR9nsbodr4/tWA62M6TCQ+D/v4Rrlnr0Opm3EEHHihqX0tPW+Jfqm OQs6vgTDFJcfW0rEm9mDlhIkg1MMLfwW9WjuwoUSLi4pGhYBdaWXOzMTAsoZ+aTKg3zZ kpQKsf01ab1ZKflLaRWZEgC8sAPL4V4YHziilfXjgo/wkzqUqGy1QJHvMMMwrRXJ6vj5 MbWwBLmaqX5PLtdjzafeVHC07m2GBxQ/Ahl+1v7rOzufYaGxk7EArv+r/XsoDtKEoEIh x2GnJ6zvHJuqXIXWNt135+62fZT/11VboelJWlqmPt6ndE6HD02HnsWX/wq3GAdu85Gn JFGQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=bUbi/jkzYIKSOu8T7OV/skgoIWQk4BHawXnXdm1xB5I=; b=ZZXxs/nCM8pCByfwOc+Dp2a18PLc1yZZVq1kKrWkg+mboiCwjTYPrnGOhEeW1ikdEx bm6qItVZ/QCa6XNuo3RqGjqKR/azKIInXhX2KXQ948FAnUnuTLnhbiTsEmCBk+SD8A7g FNf0BRQ/rIsH0LK9pU1msQMmBHWpKBjOEFVx3/xGY4BhHThVoOM7Mv4bjpn9T8zFN0Qb LABDvJ1YMGEqZ1IJrFISSUtjja9onL80WPUVJYjFtICxOGVrFAKriJgPHk05bn34MVZe 76X8S2te7tTwI1EcLToR1t/yzIIr/viiPecT49SaNytTaiOqQGwJ2vDYsywYk5ZNA2ge RvrA== X-Gm-Message-State: AOAM531oXSJqeZd6p4WHe+mK+GMh+sbaxGle7NQOwbIz5StWhKLEpS4P m3u+04FWVARnxVVRS2P85mo= X-Google-Smtp-Source: ABdhPJxQEeFWTDjt9U0eUu1Y+jsiC77yc6QUch/tNSKtkN/tpZTxvIGkyhsnawpJHsgdcwmo9KYENA== X-Received: by 2002:a05:600c:4142:b0:38c:9dc6:c87a with SMTP id h2-20020a05600c414200b0038c9dc6c87amr3628753wmm.114.1647793710898; Sun, 20 Mar 2022 09:28:30 -0700 (PDT) Received: from Ansuel-xps.localdomain (93-42-69-170.ip85.fastwebnet.it. [93.42.69.170]) by smtp.googlemail.com with ESMTPSA id y6-20020a05600015c600b00203fa70b4ebsm6760085wry.53.2022.03.20.09.28.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 20 Mar 2022 09:28:30 -0700 (PDT) From: Ansuel Smith To: Rob Herring , Andy Gross , Bjorn Andersson , Michael Turquette , Stephen Boyd , Ansuel Smith , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org Subject: [PATCH v3 18/18] dt-bindings: arm: msm: Convert kpss-gcc driver Documentation to yaml Date: Sun, 20 Mar 2022 12:34:30 +0100 Message-Id: <20220320113430.26076-19-ansuelsmth@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220320113430.26076-1-ansuelsmth@gmail.com> References: <20220320113430.26076-1-ansuelsmth@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Convert kpss-gcc driver Documentation to yaml. Signed-off-by: Ansuel Smith --- .../bindings/arm/msm/qcom,kpss-gcc.txt | 44 ------------ .../bindings/arm/msm/qcom,kpss-gcc.yaml | 68 +++++++++++++++++++ 2 files changed, 68 insertions(+), 44 deletions(-) delete mode 100644 Documentation/devicetree/bindings/arm/msm/qcom,kpss-gcc.txt create mode 100644 Documentation/devicetree/bindings/arm/msm/qcom,kpss-gcc.yaml diff --git a/Documentation/devicetree/bindings/arm/msm/qcom,kpss-gcc.txt b/Documentation/devicetree/bindings/arm/msm/qcom,kpss-gcc.txt deleted file mode 100644 index e628758950e1..000000000000 --- a/Documentation/devicetree/bindings/arm/msm/qcom,kpss-gcc.txt +++ /dev/null @@ -1,44 +0,0 @@ -Krait Processor Sub-system (KPSS) Global Clock Controller (GCC) - -PROPERTIES - -- compatible: - Usage: required - Value type: - Definition: should be one of the following. The generic compatible - "qcom,kpss-gcc" should also be included. - "qcom,kpss-gcc-ipq8064", "qcom,kpss-gcc" - "qcom,kpss-gcc-apq8064", "qcom,kpss-gcc" - "qcom,kpss-gcc-msm8974", "qcom,kpss-gcc" - "qcom,kpss-gcc-msm8960", "qcom,kpss-gcc" - -- reg: - Usage: required - Value type: - Definition: base address and size of the register region - -- clocks: - Usage: required - Value type: - Definition: reference to the pll parents. - -- clock-names: - Usage: required - Value type: - Definition: must be "pll8_vote", "pxo". - -- clock-output-names: - Usage: required - Value type: - Definition: Name of the output clock. Typically acpu_l2_aux indicating - an L2 cache auxiliary clock. - -Example: - - l2cc: clock-controller@2011000 { - compatible = "qcom,kpss-gcc-ipq8064", "qcom,kpss-gcc"; - reg = <0x2011000 0x1000>; - clocks = <&gcc PLL8_VOTE>, <&gcc PXO_SRC>; - clock-names = "pll8_vote", "pxo"; - clock-output-names = "acpu_l2_aux"; - }; diff --git a/Documentation/devicetree/bindings/arm/msm/qcom,kpss-gcc.yaml b/Documentation/devicetree/bindings/arm/msm/qcom,kpss-gcc.yaml new file mode 100644 index 000000000000..351a88407f4b --- /dev/null +++ b/Documentation/devicetree/bindings/arm/msm/qcom,kpss-gcc.yaml @@ -0,0 +1,68 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/arm/msm/qcom,kpss-gcc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Krait Processor Sub-system (KPSS) Global Clock Controller (GCC) + +maintainers: + - Ansuel Smith + +description: | + Krait Processor Sub-system (KPSS) Global Clock Controller (GCC). Used + to control L2 mux (in the current implementation). + +properties: + compatible: + items: + - enum: + - qcom,kpss-gcc-ipq8064 + - qcom,kpss-gcc-apq8064 + - qcom,kpss-gcc-msm8974 + - qcom,kpss-gcc-msm8960 + - const: qcom,kpss-gcc + + reg: + maxItems: 1 + + clocks: + items: + - description: phandle to pll8_vote + - description: phandle to pxo_board + + clock-names: + items: + - const: pll8_vote + - const: pxo + + clock-output-names: + const: acpu_l2_aux + + '#clock-cells': + const: 0 + +required: + - compatible + - reg + - clocks + - clock-names + - clock-output-names + - '#clock-cells' + +additionalProperties: false + +examples: + - | + #include + + clock-controller@2011000 { + compatible = "qcom,kpss-gcc-ipq8064", "qcom,kpss-gcc"; + reg = <0x2011000 0x1000>; + clocks = <&gcc PLL8_VOTE>, <&pxo_board>; + clock-names = "pll8_vote", "pxo"; + clock-output-names = "acpu_l2_aux"; + #clock-cells = <0>; + }; +... +