From patchwork Tue Jan 5 15:46:42 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vinod Koul X-Patchwork-Id: 11999635 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A4A56C4332B for ; Tue, 5 Jan 2021 15:47:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8019422C9D for ; Tue, 5 Jan 2021 15:47:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728121AbhAEPrm (ORCPT ); Tue, 5 Jan 2021 10:47:42 -0500 Received: from mail.kernel.org ([198.145.29.99]:34586 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728307AbhAEPrm (ORCPT ); Tue, 5 Jan 2021 10:47:42 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id AA4B422C7C; Tue, 5 Jan 2021 15:46:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1609861621; bh=6z7J0nXcSYPrbRD9ikeD2XiTuiVWtgpwGcxMh9Zj5v4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=tRB13fIpS10pZLQfVcCXA7HjSg4EogCRrN7tPfPq9sDBJxSKxtq8eOo3ssr2SR4SX JqfxysHGoisknBLnQ3+RbE0PhWxRMQFSh5rUhMcRHwKpdccJxdeNw0qc3n7BGD16+1 DPfacV/UjIg3AruS1kg+4WkEMrG5NZW2z7PmZUYtxttQJ1UWIX6likneeUEW9Rq02O ybak7JVTxQnBciGIy3dNk36o3+F2T7XuEJ9bUCP03VO1sDeN5eqlsaeb+rCtUSyMA4 CtAspaaZe6CCS2RQS5PtNegNCCvf/ZORMxOSolEUlnYivQZod5K9HxBEqEcL13NtWf LrXVS5bPNjCkg== From: Vinod Koul To: Stephen Boyd Cc: linux-arm-msm@vger.kernel.org, Bjorn Andersson , Vinod Koul , Andy Gross , Michael Turquette , Rob Herring , Taniya Das , linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/4] clk: qcom: clk-alpha-pll: replace regval with val Date: Tue, 5 Jan 2021 21:16:42 +0530 Message-Id: <20210105154645.217998-2-vkoul@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210105154645.217998-1-vkoul@kernel.org> References: <20210105154645.217998-1-vkoul@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org Driver uses regval variable for holding register values, replace with a shorter one val Suggested-by: Stephen Boyd Signed-off-by: Vinod Koul --- drivers/clk/qcom/clk-alpha-pll.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/drivers/clk/qcom/clk-alpha-pll.c b/drivers/clk/qcom/clk-alpha-pll.c index 21c357c26ec4..f7721088494c 100644 --- a/drivers/clk/qcom/clk-alpha-pll.c +++ b/drivers/clk/qcom/clk-alpha-pll.c @@ -777,15 +777,15 @@ static long alpha_pll_huayra_round_rate(struct clk_hw *hw, unsigned long rate, static int trion_pll_is_enabled(struct clk_alpha_pll *pll, struct regmap *regmap) { - u32 mode_regval, opmode_regval; + u32 mode_val, opmode_val; int ret; - ret = regmap_read(regmap, PLL_MODE(pll), &mode_regval); - ret |= regmap_read(regmap, PLL_OPMODE(pll), &opmode_regval); + ret = regmap_read(regmap, PLL_MODE(pll), &mode_val); + ret |= regmap_read(regmap, PLL_OPMODE(pll), &opmode_val); if (ret) return 0; - return ((opmode_regval & PLL_RUN) && (mode_regval & PLL_OUTCTRL)); + return ((opmode_val & PLL_RUN) && (mode_val & PLL_OUTCTRL)); } static int clk_trion_pll_is_enabled(struct clk_hw *hw) @@ -1445,12 +1445,12 @@ EXPORT_SYMBOL_GPL(clk_trion_pll_configure); static int __alpha_pll_trion_prepare(struct clk_hw *hw, u32 pcal_done) { struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); - u32 regval; + u32 val; int ret; /* Return early if calibration is not needed. */ - regmap_read(pll->clkr.regmap, PLL_STATUS(pll), ®val); - if (regval & pcal_done) + regmap_read(pll->clkr.regmap, PLL_STATUS(pll), &val); + if (val & pcal_done) return 0; /* On/off to calibrate */ @@ -1476,7 +1476,7 @@ static int alpha_pll_trion_set_rate(struct clk_hw *hw, unsigned long rate, { struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); unsigned long rrate; - u32 regval, l, alpha_width = pll_alpha_width(pll); + u32 val, l, alpha_width = pll_alpha_width(pll); u64 a; int ret; @@ -1497,8 +1497,8 @@ static int alpha_pll_trion_set_rate(struct clk_hw *hw, unsigned long rate, /* Wait for 2 reference cycles before checking the ACK bit. */ udelay(1); - regmap_read(pll->clkr.regmap, PLL_MODE(pll), ®val); - if (!(regval & ALPHA_PLL_ACK_LATCH)) { + regmap_read(pll->clkr.regmap, PLL_MODE(pll), &val); + if (!(val & ALPHA_PLL_ACK_LATCH)) { pr_err("Lucid PLL latch failed. Output may be unstable!\n"); return -EINVAL; } From patchwork Tue Jan 5 15:46:43 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vinod Koul X-Patchwork-Id: 11999637 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2A43DC432C3 for ; Tue, 5 Jan 2021 15:47:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 04CFE22C7C for ; Tue, 5 Jan 2021 15:47:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728742AbhAEPrs (ORCPT ); Tue, 5 Jan 2021 10:47:48 -0500 Received: from mail.kernel.org ([198.145.29.99]:34608 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728715AbhAEPrr (ORCPT ); Tue, 5 Jan 2021 10:47:47 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 201CF22BF5; Tue, 5 Jan 2021 15:47:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1609861626; bh=PWDccVuffipZCwDUZJRewbfKtIhVNFcKHYTje+P6YxM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YAjOuXvGIewKVOrCeZB4JB7EnsTjyygJMaUroGRGQ2mNZFKhX0+xeQKYB0ujO46RA 6DiD+z0o2Xr2Lw8PKciwuYl33SoLRUscl3qFpazlMODKzK7CK5dyQH83Ce5BeNmvd4 Fn+ReUVJeU6UwVl00CWcAppXInsVi0jsdqNKzxCqOQ1IdP+pNbZxJ0RLRuwt2mo9lS 1MFGYachZ2hC96acS7O1JqL5dTbb4X9dXEpfBZIzCrdpDrd2XAgR+mk3ol/prqOyN5 SOuN9x5pQ0J0gtvrcbsad520EyTi7i5/aPmPm1BIKzzj0z5N2jmvYRxh3Yhr65gDK9 rtLIeZJdanqHA== From: Vinod Koul To: Stephen Boyd Cc: linux-arm-msm@vger.kernel.org, Bjorn Andersson , Vivek Aknurwar , Andy Gross , Michael Turquette , Rob Herring , Taniya Das , linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Jeevan Shriram , Vinod Koul Subject: [PATCH 2/4] clk: qcom: clk-alpha-pll: Add support for Lucid 5LPE PLL Date: Tue, 5 Jan 2021 21:16:43 +0530 Message-Id: <20210105154645.217998-3-vkoul@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210105154645.217998-1-vkoul@kernel.org> References: <20210105154645.217998-1-vkoul@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org From: Vivek Aknurwar Lucid 5LPE is a slightly different Lucid PLL with different offsets and porgramming sequence so add support for these Signed-off-by: Vivek Aknurwar Signed-off-by: Jeevan Shriram [vkoul: rebase and tidy up for upstream] Signed-off-by: Vinod Koul --- drivers/clk/qcom/clk-alpha-pll.c | 217 +++++++++++++++++++++++++++++++ drivers/clk/qcom/clk-alpha-pll.h | 4 + 2 files changed, 221 insertions(+) diff --git a/drivers/clk/qcom/clk-alpha-pll.c b/drivers/clk/qcom/clk-alpha-pll.c index f7721088494c..843c43649a5a 100644 --- a/drivers/clk/qcom/clk-alpha-pll.c +++ b/drivers/clk/qcom/clk-alpha-pll.c @@ -156,6 +156,12 @@ EXPORT_SYMBOL_GPL(clk_alpha_pll_regs); /* LUCID PLL specific settings and offsets */ #define LUCID_PCAL_DONE BIT(27) +/* LUCID 5LPE PLL specific settings and offsets */ +#define LUCID_5LPE_PCAL_DONE BIT(11) +#define LUCID_5LPE_ALPHA_PLL_ACK_LATCH BIT(13) +#define LUCID_5LPE_PLL_LATCH_INPUT BIT(14) +#define LUCID_5LPE_ENABLE_VOTE_RUN BIT(21) + #define pll_alpha_width(p) \ ((PLL_ALPHA_VAL_U(p) - PLL_ALPHA_VAL(p) == 4) ? \ ALPHA_REG_BITWIDTH : ALPHA_REG_16BIT_WIDTH) @@ -1600,3 +1606,214 @@ const struct clk_ops clk_alpha_pll_agera_ops = { .set_rate = clk_alpha_pll_agera_set_rate, }; EXPORT_SYMBOL_GPL(clk_alpha_pll_agera_ops); + +static int alpha_pll_lucid_5lpe_enable(struct clk_hw *hw) +{ + struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); + u32 val; + int ret; + + ret = regmap_read(pll->clkr.regmap, PLL_USER_CTL(pll), &val); + if (ret) + return ret; + + /* If in FSM mode, just vote for it */ + if (val & LUCID_5LPE_ENABLE_VOTE_RUN) { + ret = clk_enable_regmap(hw); + if (ret) + return ret; + return wait_for_pll_enable_lock(pll); + } + + /* Check if PLL is already enabled, return if enabled */ + ret = trion_pll_is_enabled(pll, pll->clkr.regmap); + if (ret < 0) + return ret; + + ret = regmap_update_bits(pll->clkr.regmap, PLL_MODE(pll), PLL_RESET_N, PLL_RESET_N); + if (ret) + return ret; + + regmap_write(pll->clkr.regmap, PLL_OPMODE(pll), PLL_RUN); + + ret = wait_for_pll_enable_lock(pll); + if (ret) + return ret; + + /* Enable the PLL outputs */ + ret = regmap_update_bits(pll->clkr.regmap, PLL_USER_CTL(pll), PLL_OUT_MASK, PLL_OUT_MASK); + if (ret) + return ret; + + /* Enable the global PLL outputs */ + return regmap_update_bits(pll->clkr.regmap, PLL_MODE(pll), PLL_OUTCTRL, PLL_OUTCTRL); +} + +static void alpha_pll_lucid_5lpe_disable(struct clk_hw *hw) +{ + struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); + u32 val; + int ret; + + ret = regmap_read(pll->clkr.regmap, PLL_USER_CTL(pll), &val); + if (ret) + return; + + /* If in FSM mode, just unvote it */ + if (val & LUCID_5LPE_ENABLE_VOTE_RUN) { + clk_disable_regmap(hw); + return; + } + + /* Disable the global PLL output */ + ret = regmap_update_bits(pll->clkr.regmap, PLL_MODE(pll), PLL_OUTCTRL, 0); + if (ret) + return; + + /* Disable the PLL outputs */ + ret = regmap_update_bits(pll->clkr.regmap, PLL_USER_CTL(pll), PLL_OUT_MASK, 0); + if (ret) + return; + + /* Place the PLL mode in STANDBY */ + regmap_write(pll->clkr.regmap, PLL_OPMODE(pll), PLL_STANDBY); +} + +/* + * The Lucid 5LPE PLL requires a power-on self-calibration which happens + * when the PLL comes out of reset. Calibrate in case it is not completed. + */ +static int alpha_pll_lucid_5lpe_prepare(struct clk_hw *hw) +{ + struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); + struct clk_hw *p; + u32 val; + int ret; + + /* Return early if calibration is not needed. */ + regmap_read(pll->clkr.regmap, PLL_MODE(pll), &val); + if (val & LUCID_5LPE_PCAL_DONE) + return 0; + + p = clk_hw_get_parent(hw); + if (!p) + return -EINVAL; + + ret = alpha_pll_lucid_5lpe_enable(hw); + if (ret) + return ret; + + alpha_pll_lucid_5lpe_disable(hw); + + return 0; +} + +static int alpha_pll_lucid_5lpe_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long prate) +{ + struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); + unsigned long rrate; + u32 val, l; + u64 a; + int ret; + + rrate = alpha_pll_round_rate(rate, prate, &l, &a, ALPHA_REG_16BIT_WIDTH); + + /* + * Due to a limited number of bits for fractional rate programming, the + * rounded up rate could be marginally higher than the requested rate. + */ + ret = alpha_pll_check_rate_margin(hw, rrate, rate); + if (ret) + return ret; + + regmap_write(pll->clkr.regmap, PLL_L_VAL(pll), l); + regmap_write(pll->clkr.regmap, PLL_ALPHA_VAL(pll), a); + + /* Latch the PLL input */ + ret = regmap_update_bits(pll->clkr.regmap, PLL_MODE(pll), + LUCID_5LPE_PLL_LATCH_INPUT, LUCID_5LPE_PLL_LATCH_INPUT); + if (ret) + return ret; + + /* Wait for 2 reference cycles before checking the ACK bit. */ + udelay(1); + regmap_read(pll->clkr.regmap, PLL_MODE(pll), &val); + if (!(val & LUCID_5LPE_ALPHA_PLL_ACK_LATCH)) { + pr_err("Lucid 5LPE PLL latch failed. Output may be unstable!\n"); + return -EINVAL; + } + + /* Return the latch input to 0 */ + ret = regmap_update_bits(pll->clkr.regmap, PLL_MODE(pll), LUCID_5LPE_PLL_LATCH_INPUT, 0); + if (ret) + return ret; + + if (clk_hw_is_enabled(hw)) { + ret = wait_for_pll_enable_lock(pll); + if (ret) + return ret; + } + + /* Wait for PLL output to stabilize */ + udelay(100); + return 0; +} + +static int clk_lucid_5lpe_pll_postdiv_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct clk_alpha_pll_postdiv *pll = to_clk_alpha_pll_postdiv(hw); + int i, val = 0, div, ret; + u32 mask; + + /* + * If the PLL is in FSM mode, then treat set_rate callback as a + * no-operation. + */ + ret = regmap_read(pll->clkr.regmap, PLL_USER_CTL(pll), &val); + if (ret) + return ret; + + if (val & LUCID_5LPE_ENABLE_VOTE_RUN) + return 0; + + div = DIV_ROUND_UP_ULL((u64)parent_rate, rate); + for (i = 0; i < pll->num_post_div; i++) { + if (pll->post_div_table[i].div == div) { + val = pll->post_div_table[i].val; + break; + } + } + + mask = GENMASK(pll->width + pll->post_div_shift - 1, pll->post_div_shift); + return regmap_update_bits(pll->clkr.regmap, PLL_USER_CTL(pll), + mask, val << pll->post_div_shift); +} + +const struct clk_ops clk_alpha_pll_lucid_5lpe_ops = { + .prepare = alpha_pll_lucid_5lpe_prepare, + .enable = alpha_pll_lucid_5lpe_enable, + .disable = alpha_pll_lucid_5lpe_disable, + .is_enabled = clk_trion_pll_is_enabled, + .recalc_rate = clk_trion_pll_recalc_rate, + .round_rate = clk_alpha_pll_round_rate, + .set_rate = alpha_pll_lucid_5lpe_set_rate, +}; +EXPORT_SYMBOL(clk_alpha_pll_lucid_5lpe_ops); + +const struct clk_ops clk_alpha_pll_fixed_lucid_5lpe_ops = { + .enable = alpha_pll_lucid_5lpe_enable, + .disable = alpha_pll_lucid_5lpe_disable, + .is_enabled = clk_trion_pll_is_enabled, + .recalc_rate = clk_trion_pll_recalc_rate, + .round_rate = clk_alpha_pll_round_rate, +}; +EXPORT_SYMBOL(clk_alpha_pll_fixed_lucid_5lpe_ops); + +const struct clk_ops clk_alpha_pll_postdiv_lucid_5lpe_ops = { + .recalc_rate = clk_alpha_pll_postdiv_fabia_recalc_rate, + .round_rate = clk_alpha_pll_postdiv_fabia_round_rate, + .set_rate = clk_lucid_5lpe_pll_postdiv_set_rate, +}; +EXPORT_SYMBOL(clk_alpha_pll_postdiv_lucid_5lpe_ops); diff --git a/drivers/clk/qcom/clk-alpha-pll.h b/drivers/clk/qcom/clk-alpha-pll.h index 0ea30d2f3da1..6943e933be0f 100644 --- a/drivers/clk/qcom/clk-alpha-pll.h +++ b/drivers/clk/qcom/clk-alpha-pll.h @@ -144,6 +144,10 @@ extern const struct clk_ops clk_alpha_pll_lucid_ops; extern const struct clk_ops clk_alpha_pll_postdiv_lucid_ops; extern const struct clk_ops clk_alpha_pll_agera_ops; +extern const struct clk_ops clk_alpha_pll_lucid_5lpe_ops; +extern const struct clk_ops clk_alpha_pll_fixed_lucid_5lpe_ops; +extern const struct clk_ops clk_alpha_pll_postdiv_lucid_5lpe_ops; + void clk_alpha_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap, const struct alpha_pll_config *config); void clk_fabia_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap, From patchwork Tue Jan 5 15:46:44 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vinod Koul X-Patchwork-Id: 11999639 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 33A04C43333 for ; Tue, 5 Jan 2021 15:47:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1892C22BF5 for ; Tue, 5 Jan 2021 15:47:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728841AbhAEPrx (ORCPT ); Tue, 5 Jan 2021 10:47:53 -0500 Received: from mail.kernel.org ([198.145.29.99]:34636 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728715AbhAEPrx (ORCPT ); Tue, 5 Jan 2021 10:47:53 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 18FE022C7B; Tue, 5 Jan 2021 15:47:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1609861630; bh=h4ZxmbOUUPUFZWO7EBAGrS/9rNu8ofne1Ac/KIq6jrI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Rfg2veHeRKLJcK+4f6sm67pvEqLdcsijQ1znyVxJOuluShFoSwI8RAX+m+BvBwmCv QenhwtpdEWopfkSDxgeJKNULlV3Q0sJtUU89RilhcvDCJOfwryFPHd6uBeDVOcSed2 /bIwipHNnGvWDntoFxjCqeSV5YWZN011umQB9BKZmNpwjO4Zu18xIRybvvFMEEGgCY 8MDnXbWya8i1qclYJW1Z6lx9XUYSwG1nID2z+DvvxDDIHLmNFgUdthdkwXujj1Uvwb q5kPxfaK8/7UOPlNfLGsHFI9Q2a7ZVjOSgUSo3wkUFSHk4K2B1jpBc35cKX752FK2n jRqAnxUAYGHfQ== From: Vinod Koul To: Stephen Boyd Cc: linux-arm-msm@vger.kernel.org, Bjorn Andersson , Vinod Koul , Andy Gross , Michael Turquette , Rob Herring , Taniya Das , linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 3/4] dt-bindings: clock: Add SM8350 GCC clock bindings Date: Tue, 5 Jan 2021 21:16:44 +0530 Message-Id: <20210105154645.217998-4-vkoul@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210105154645.217998-1-vkoul@kernel.org> References: <20210105154645.217998-1-vkoul@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org Add device tree bindings for global clock controller on SM8350 SoCs. Signed-off-by: Vinod Koul Reviewed-by: Rob Herring --- .../bindings/clock/qcom,gcc-sm8350.yaml | 96 +++++++ include/dt-bindings/clock/qcom,gcc-sm8350.h | 261 ++++++++++++++++++ 2 files changed, 357 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/qcom,gcc-sm8350.yaml create mode 100644 include/dt-bindings/clock/qcom,gcc-sm8350.h diff --git a/Documentation/devicetree/bindings/clock/qcom,gcc-sm8350.yaml b/Documentation/devicetree/bindings/clock/qcom,gcc-sm8350.yaml new file mode 100644 index 000000000000..78f35832aa41 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/qcom,gcc-sm8350.yaml @@ -0,0 +1,96 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/qcom,gcc-sm8350.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Global Clock & Reset Controller Binding for SM8350 + +maintainers: + - Vinod Koul + +description: | + Qualcomm global clock control module which supports the clocks, resets and + power domains on SM8350. + + See also: + - dt-bindings/clock/qcom,gcc-sm8350.h + +properties: + compatible: + const: qcom,gcc-sm8350 + + clocks: + items: + - description: Board XO source + - description: Sleep clock source + - description: PLL test clock source (Optional clock) + - description: PCIE 0 Pipe clock source (Optional clock) + - description: PCIE 1 Pipe clock source (Optional clock) + - description: UFS card Rx symbol 0 clock source (Optional clock) + - description: UFS card Rx symbol 1 clock source (Optional clock) + - description: UFS card Tx symbol 0 clock source (Optional clock) + - description: UFS phy Rx symbol 0 clock source (Optional clock) + - description: UFS phy Rx symbol 1 clock source (Optional clock) + - description: UFS phy Tx symbol 0 clock source (Optional clock) + - description: USB3 phy wrapper pipe clock source (Optional clock) + - description: USB3 phy sec pipe clock source (Optional clock) + minItems: 2 + maxItems: 13 + + clock-names: + items: + - const: bi_tcxo + - const: sleep_clk + - const: core_bi_pll_test_se # Optional clock + - const: pcie_0_pipe_clk # Optional clock + - const: pcie_1_pipe_clk # Optional clock + - const: ufs_card_rx_symbol_0_clk # Optional clock + - const: ufs_card_rx_symbol_1_clk # Optional clock + - const: ufs_card_tx_symbol_0_clk # Optional clock + - const: ufs_phy_rx_symbol_0_clk # Optional clock + - const: ufs_phy_rx_symbol_1_clk # Optional clock + - const: ufs_phy_tx_symbol_0_clk # Optional clock + - const: usb3_phy_wrapper_gcc_usb30_pipe_clk # Optional clock + - const: usb3_uni_phy_sec_gcc_usb30_pipe_clk # Optional clock + minItems: 2 + maxItems: 13 + + '#clock-cells': + const: 1 + + '#reset-cells': + const: 1 + + '#power-domain-cells': + const: 1 + + reg: + maxItems: 1 + +required: + - compatible + - clocks + - clock-names + - reg + - '#clock-cells' + - '#reset-cells' + - '#power-domain-cells' + +additionalProperties: false + +examples: + - | + #include + clock-controller@100000 { + compatible = "qcom,gcc-sm8350"; + reg = <0x00100000 0x1f0000>; + clocks = <&rpmhcc RPMH_CXO_CLK>, + <&sleep_clk>; + clock-names = "bi_tcxo", "sleep_clk"; + #clock-cells = <1>; + #reset-cells = <1>; + #power-domain-cells = <1>; + }; + +... diff --git a/include/dt-bindings/clock/qcom,gcc-sm8350.h b/include/dt-bindings/clock/qcom,gcc-sm8350.h new file mode 100644 index 000000000000..2b289c5c109f --- /dev/null +++ b/include/dt-bindings/clock/qcom,gcc-sm8350.h @@ -0,0 +1,261 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ +/* + * Copyright (c) 2019-2020, The Linux Foundation. All rights reserved. + * Copyright (c) 2020-2021, Linaro Limited + */ + +#ifndef _DT_BINDINGS_CLK_QCOM_GCC_SM8350_H +#define _DT_BINDINGS_CLK_QCOM_GCC_SM8350_H + +/* GCC HW clocks */ +#define CORE_BI_PLL_TEST_SE 0 +#define PCIE_0_PIPE_CLK 1 +#define PCIE_1_PIPE_CLK 2 +#define UFS_CARD_RX_SYMBOL_0_CLK 3 +#define UFS_CARD_RX_SYMBOL_1_CLK 4 +#define UFS_CARD_TX_SYMBOL_0_CLK 5 +#define UFS_PHY_RX_SYMBOL_0_CLK 6 +#define UFS_PHY_RX_SYMBOL_1_CLK 7 +#define UFS_PHY_TX_SYMBOL_0_CLK 8 +#define USB3_PHY_WRAPPER_GCC_USB30_PIPE_CLK 9 +#define USB3_UNI_PHY_SEC_GCC_USB30_PIPE_CLK 10 + +/* GCC clocks */ +#define GCC_AGGRE_NOC_PCIE_0_AXI_CLK 11 +#define GCC_AGGRE_NOC_PCIE_1_AXI_CLK 12 +#define GCC_AGGRE_NOC_PCIE_TBU_CLK 13 +#define GCC_AGGRE_UFS_CARD_AXI_CLK 14 +#define GCC_AGGRE_UFS_CARD_AXI_HW_CTL_CLK 15 +#define GCC_AGGRE_UFS_PHY_AXI_CLK 16 +#define GCC_AGGRE_UFS_PHY_AXI_HW_CTL_CLK 17 +#define GCC_AGGRE_USB3_PRIM_AXI_CLK 18 +#define GCC_AGGRE_USB3_SEC_AXI_CLK 19 +#define GCC_BOOT_ROM_AHB_CLK 20 +#define GCC_CAMERA_AHB_CLK 21 +#define GCC_CAMERA_HF_AXI_CLK 22 +#define GCC_CAMERA_SF_AXI_CLK 23 +#define GCC_CAMERA_XO_CLK 24 +#define GCC_CFG_NOC_USB3_PRIM_AXI_CLK 25 +#define GCC_CFG_NOC_USB3_SEC_AXI_CLK 26 +#define GCC_DDRSS_GPU_AXI_CLK 27 +#define GCC_DDRSS_PCIE_SF_TBU_CLK 28 +#define GCC_DISP_AHB_CLK 29 +#define GCC_DISP_HF_AXI_CLK 30 +#define GCC_DISP_SF_AXI_CLK 31 +#define GCC_DISP_XO_CLK 32 +#define GCC_GP1_CLK 33 +#define GCC_GP1_CLK_SRC 34 +#define GCC_GP2_CLK 35 +#define GCC_GP2_CLK_SRC 36 +#define GCC_GP3_CLK 37 +#define GCC_GP3_CLK_SRC 38 +#define GCC_GPLL0 39 +#define GCC_GPLL0_OUT_EVEN 40 +#define GCC_GPLL4 41 +#define GCC_GPLL9 42 +#define GCC_GPU_CFG_AHB_CLK 43 +#define GCC_GPU_GPLL0_CLK_SRC 44 +#define GCC_GPU_GPLL0_DIV_CLK_SRC 45 +#define GCC_GPU_IREF_EN 46 +#define GCC_GPU_MEMNOC_GFX_CLK 47 +#define GCC_GPU_SNOC_DVM_GFX_CLK 48 +#define GCC_PCIE0_PHY_RCHNG_CLK 49 +#define GCC_PCIE1_PHY_RCHNG_CLK 50 +#define GCC_PCIE_0_AUX_CLK 51 +#define GCC_PCIE_0_AUX_CLK_SRC 52 +#define GCC_PCIE_0_CFG_AHB_CLK 53 +#define GCC_PCIE_0_CLKREF_EN 54 +#define GCC_PCIE_0_MSTR_AXI_CLK 55 +#define GCC_PCIE_0_PHY_RCHNG_CLK_SRC 56 +#define GCC_PCIE_0_PIPE_CLK 57 +#define GCC_PCIE_0_PIPE_CLK_SRC 58 +#define GCC_PCIE_0_SLV_AXI_CLK 59 +#define GCC_PCIE_0_SLV_Q2A_AXI_CLK 60 +#define GCC_PCIE_1_AUX_CLK 61 +#define GCC_PCIE_1_AUX_CLK_SRC 62 +#define GCC_PCIE_1_CFG_AHB_CLK 63 +#define GCC_PCIE_1_CLKREF_EN 64 +#define GCC_PCIE_1_MSTR_AXI_CLK 65 +#define GCC_PCIE_1_PHY_RCHNG_CLK_SRC 66 +#define GCC_PCIE_1_PIPE_CLK 67 +#define GCC_PCIE_1_PIPE_CLK_SRC 68 +#define GCC_PCIE_1_SLV_AXI_CLK 69 +#define GCC_PCIE_1_SLV_Q2A_AXI_CLK 70 +#define GCC_PDM2_CLK 71 +#define GCC_PDM2_CLK_SRC 72 +#define GCC_PDM_AHB_CLK 73 +#define GCC_PDM_XO4_CLK 74 +#define GCC_QMIP_CAMERA_NRT_AHB_CLK 75 +#define GCC_QMIP_CAMERA_RT_AHB_CLK 76 +#define GCC_QMIP_DISP_AHB_CLK 77 +#define GCC_QMIP_VIDEO_CVP_AHB_CLK 78 +#define GCC_QMIP_VIDEO_VCODEC_AHB_CLK 79 +#define GCC_QUPV3_WRAP0_CORE_2X_CLK 80 +#define GCC_QUPV3_WRAP0_CORE_CLK 81 +#define GCC_QUPV3_WRAP0_S0_CLK 82 +#define GCC_QUPV3_WRAP0_S0_CLK_SRC 83 +#define GCC_QUPV3_WRAP0_S1_CLK 84 +#define GCC_QUPV3_WRAP0_S1_CLK_SRC 85 +#define GCC_QUPV3_WRAP0_S2_CLK 86 +#define GCC_QUPV3_WRAP0_S2_CLK_SRC 87 +#define GCC_QUPV3_WRAP0_S3_CLK 88 +#define GCC_QUPV3_WRAP0_S3_CLK_SRC 89 +#define GCC_QUPV3_WRAP0_S4_CLK 90 +#define GCC_QUPV3_WRAP0_S4_CLK_SRC 91 +#define GCC_QUPV3_WRAP0_S5_CLK 92 +#define GCC_QUPV3_WRAP0_S5_CLK_SRC 93 +#define GCC_QUPV3_WRAP0_S6_CLK 94 +#define GCC_QUPV3_WRAP0_S6_CLK_SRC 95 +#define GCC_QUPV3_WRAP0_S7_CLK 96 +#define GCC_QUPV3_WRAP0_S7_CLK_SRC 97 +#define GCC_QUPV3_WRAP1_CORE_2X_CLK 98 +#define GCC_QUPV3_WRAP1_CORE_CLK 99 +#define GCC_QUPV3_WRAP1_S0_CLK 100 +#define GCC_QUPV3_WRAP1_S0_CLK_SRC 101 +#define GCC_QUPV3_WRAP1_S1_CLK 102 +#define GCC_QUPV3_WRAP1_S1_CLK_SRC 103 +#define GCC_QUPV3_WRAP1_S2_CLK 104 +#define GCC_QUPV3_WRAP1_S2_CLK_SRC 105 +#define GCC_QUPV3_WRAP1_S3_CLK 106 +#define GCC_QUPV3_WRAP1_S3_CLK_SRC 107 +#define GCC_QUPV3_WRAP1_S4_CLK 108 +#define GCC_QUPV3_WRAP1_S4_CLK_SRC 109 +#define GCC_QUPV3_WRAP1_S5_CLK 110 +#define GCC_QUPV3_WRAP1_S5_CLK_SRC 111 +#define GCC_QUPV3_WRAP2_CORE_2X_CLK 112 +#define GCC_QUPV3_WRAP2_CORE_CLK 113 +#define GCC_QUPV3_WRAP2_S0_CLK 114 +#define GCC_QUPV3_WRAP2_S0_CLK_SRC 115 +#define GCC_QUPV3_WRAP2_S1_CLK 116 +#define GCC_QUPV3_WRAP2_S1_CLK_SRC 117 +#define GCC_QUPV3_WRAP2_S2_CLK 118 +#define GCC_QUPV3_WRAP2_S2_CLK_SRC 119 +#define GCC_QUPV3_WRAP2_S3_CLK 120 +#define GCC_QUPV3_WRAP2_S3_CLK_SRC 121 +#define GCC_QUPV3_WRAP2_S4_CLK 122 +#define GCC_QUPV3_WRAP2_S4_CLK_SRC 123 +#define GCC_QUPV3_WRAP2_S5_CLK 124 +#define GCC_QUPV3_WRAP2_S5_CLK_SRC 125 +#define GCC_QUPV3_WRAP_0_M_AHB_CLK 126 +#define GCC_QUPV3_WRAP_0_S_AHB_CLK 127 +#define GCC_QUPV3_WRAP_1_M_AHB_CLK 128 +#define GCC_QUPV3_WRAP_1_S_AHB_CLK 129 +#define GCC_QUPV3_WRAP_2_M_AHB_CLK 130 +#define GCC_QUPV3_WRAP_2_S_AHB_CLK 131 +#define GCC_SDCC2_AHB_CLK 132 +#define GCC_SDCC2_APPS_CLK 133 +#define GCC_SDCC2_APPS_CLK_SRC 134 +#define GCC_SDCC4_AHB_CLK 135 +#define GCC_SDCC4_APPS_CLK 136 +#define GCC_SDCC4_APPS_CLK_SRC 137 +#define GCC_THROTTLE_PCIE_AHB_CLK 138 +#define GCC_UFS_1_CLKREF_EN 139 +#define GCC_UFS_CARD_AHB_CLK 140 +#define GCC_UFS_CARD_AXI_CLK 141 +#define GCC_UFS_CARD_AXI_CLK_SRC 142 +#define GCC_UFS_CARD_AXI_HW_CTL_CLK 143 +#define GCC_UFS_CARD_ICE_CORE_CLK 144 +#define GCC_UFS_CARD_ICE_CORE_CLK_SRC 145 +#define GCC_UFS_CARD_ICE_CORE_HW_CTL_CLK 146 +#define GCC_UFS_CARD_PHY_AUX_CLK 147 +#define GCC_UFS_CARD_PHY_AUX_CLK_SRC 148 +#define GCC_UFS_CARD_PHY_AUX_HW_CTL_CLK 149 +#define GCC_UFS_CARD_RX_SYMBOL_0_CLK 150 +#define GCC_UFS_CARD_RX_SYMBOL_0_CLK_SRC 151 +#define GCC_UFS_CARD_RX_SYMBOL_1_CLK 152 +#define GCC_UFS_CARD_RX_SYMBOL_1_CLK_SRC 153 +#define GCC_UFS_CARD_TX_SYMBOL_0_CLK 154 +#define GCC_UFS_CARD_TX_SYMBOL_0_CLK_SRC 155 +#define GCC_UFS_CARD_UNIPRO_CORE_CLK 156 +#define GCC_UFS_CARD_UNIPRO_CORE_CLK_SRC 157 +#define GCC_UFS_CARD_UNIPRO_CORE_HW_CTL_CLK 158 +#define GCC_UFS_PHY_AHB_CLK 159 +#define GCC_UFS_PHY_AXI_CLK 160 +#define GCC_UFS_PHY_AXI_CLK_SRC 161 +#define GCC_UFS_PHY_AXI_HW_CTL_CLK 162 +#define GCC_UFS_PHY_ICE_CORE_CLK 163 +#define GCC_UFS_PHY_ICE_CORE_CLK_SRC 164 +#define GCC_UFS_PHY_ICE_CORE_HW_CTL_CLK 165 +#define GCC_UFS_PHY_PHY_AUX_CLK 166 +#define GCC_UFS_PHY_PHY_AUX_CLK_SRC 167 +#define GCC_UFS_PHY_PHY_AUX_HW_CTL_CLK 168 +#define GCC_UFS_PHY_RX_SYMBOL_0_CLK 169 +#define GCC_UFS_PHY_RX_SYMBOL_0_CLK_SRC 170 +#define GCC_UFS_PHY_RX_SYMBOL_1_CLK 171 +#define GCC_UFS_PHY_RX_SYMBOL_1_CLK_SRC 172 +#define GCC_UFS_PHY_TX_SYMBOL_0_CLK 173 +#define GCC_UFS_PHY_TX_SYMBOL_0_CLK_SRC 174 +#define GCC_UFS_PHY_UNIPRO_CORE_CLK 175 +#define GCC_UFS_PHY_UNIPRO_CORE_CLK_SRC 176 +#define GCC_UFS_PHY_UNIPRO_CORE_HW_CTL_CLK 177 +#define GCC_USB30_PRIM_MASTER_CLK 178 +#define GCC_USB30_PRIM_MASTER_CLK__FORCE_MEM_CORE_ON 179 +#define GCC_USB30_PRIM_MASTER_CLK_SRC 180 +#define GCC_USB30_PRIM_MOCK_UTMI_CLK 181 +#define GCC_USB30_PRIM_MOCK_UTMI_CLK_SRC 182 +#define GCC_USB30_PRIM_MOCK_UTMI_POSTDIV_CLK_SRC 183 +#define GCC_USB30_PRIM_SLEEP_CLK 184 +#define GCC_USB30_SEC_MASTER_CLK 185 +#define GCC_USB30_SEC_MASTER_CLK__FORCE_MEM_CORE_ON 186 +#define GCC_USB30_SEC_MASTER_CLK_SRC 187 +#define GCC_USB30_SEC_MOCK_UTMI_CLK 188 +#define GCC_USB30_SEC_MOCK_UTMI_CLK_SRC 189 +#define GCC_USB30_SEC_MOCK_UTMI_POSTDIV_CLK_SRC 190 +#define GCC_USB30_SEC_SLEEP_CLK 191 +#define GCC_USB3_PRIM_PHY_AUX_CLK 192 +#define GCC_USB3_PRIM_PHY_AUX_CLK_SRC 193 +#define GCC_USB3_PRIM_PHY_COM_AUX_CLK 194 +#define GCC_USB3_PRIM_PHY_PIPE_CLK 195 +#define GCC_USB3_PRIM_PHY_PIPE_CLK_SRC 196 +#define GCC_USB3_SEC_CLKREF_EN 197 +#define GCC_USB3_SEC_PHY_AUX_CLK 198 +#define GCC_USB3_SEC_PHY_AUX_CLK_SRC 199 +#define GCC_USB3_SEC_PHY_COM_AUX_CLK 200 +#define GCC_USB3_SEC_PHY_PIPE_CLK 201 +#define GCC_USB3_SEC_PHY_PIPE_CLK_SRC 202 +#define GCC_VIDEO_AHB_CLK 203 +#define GCC_VIDEO_AXI0_CLK 204 +#define GCC_VIDEO_AXI1_CLK 205 +#define GCC_VIDEO_XO_CLK 206 + +/* GCC resets */ +#define GCC_CAMERA_BCR 0 +#define GCC_DISPLAY_BCR 1 +#define GCC_GPU_BCR 2 +#define GCC_MMSS_BCR 3 +#define GCC_PCIE_0_BCR 4 +#define GCC_PCIE_0_LINK_DOWN_BCR 5 +#define GCC_PCIE_0_NOCSR_COM_PHY_BCR 6 +#define GCC_PCIE_0_PHY_BCR 7 +#define GCC_PCIE_0_PHY_NOCSR_COM_PHY_BCR 8 +#define GCC_PCIE_1_BCR 9 +#define GCC_PCIE_1_LINK_DOWN_BCR 10 +#define GCC_PCIE_1_NOCSR_COM_PHY_BCR 11 +#define GCC_PCIE_1_PHY_BCR 12 +#define GCC_PCIE_1_PHY_NOCSR_COM_PHY_BCR 13 +#define GCC_PCIE_PHY_CFG_AHB_BCR 14 +#define GCC_PCIE_PHY_COM_BCR 15 +#define GCC_PDM_BCR 16 +#define GCC_QUPV3_WRAPPER_0_BCR 17 +#define GCC_QUPV3_WRAPPER_1_BCR 18 +#define GCC_QUPV3_WRAPPER_2_BCR 19 +#define GCC_QUSB2PHY_PRIM_BCR 20 +#define GCC_QUSB2PHY_SEC_BCR 21 +#define GCC_SDCC2_BCR 22 +#define GCC_SDCC4_BCR 23 +#define GCC_UFS_CARD_BCR 24 +#define GCC_UFS_PHY_BCR 25 +#define GCC_USB30_PRIM_BCR 26 +#define GCC_USB30_SEC_BCR 27 +#define GCC_USB3_DP_PHY_PRIM_BCR 28 +#define GCC_USB3_DP_PHY_SEC_BCR 29 +#define GCC_USB3_PHY_PRIM_BCR 30 +#define GCC_USB3_PHY_SEC_BCR 31 +#define GCC_USB3PHY_PHY_PRIM_BCR 32 +#define GCC_USB3PHY_PHY_SEC_BCR 33 +#define GCC_USB_PHY_CFG_AHB2PHY_BCR 34 +#define GCC_VIDEO_AXI0_CLK_ARES 35 +#define GCC_VIDEO_AXI1_CLK_ARES 36 +#define GCC_VIDEO_BCR 37 + +#endif