From patchwork Sat Dec 30 13:04:09 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Konrad Dybcio X-Patchwork-Id: 759003 Received: from mail-ed1-f44.google.com (mail-ed1-f44.google.com [209.85.208.44]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1B9D7125B5 for ; Sat, 30 Dec 2023 13:04:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="atVjSPH8" Received: by mail-ed1-f44.google.com with SMTP id 4fb4d7f45d1cf-555aa7fd668so1805368a12.0 for ; Sat, 30 Dec 2023 05:04:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1703941478; x=1704546278; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=e101FlBi09Aa0fgZ/hYAWKa1wn5GbLF88ALZNrPPq0M=; b=atVjSPH85ehO8Q7q+BexhTvEL3fI3lM1AdU3NKDZQGLO3MzIzRT9D4mZA8zuMVItW8 n6Jc/GXhzQJ3y6Lr6r+wVqdzt9Qwq0+96lORZSq+0FeWlqHGSwcjKABFZ2WjYz6u8Bx6 TKOI3A+gnX4qmUnJAImIcoo0keXrvXFZNvS8b0sbYckwHtibPqZfk7WIYB17tIEvXybf zXcPgGRW9pnxG1WYBntUvmDyZhLPbF5LAvKza4QdMD8eXZss+qb8SxDWXp49lDdqlIgX KgyllLmji3EQ52l9O+Ajtw13cNxAtk1Lrzl0YaXL4W+tXqvgUKhgPJ+HMbso6YcmG+qs WJRQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1703941478; x=1704546278; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=e101FlBi09Aa0fgZ/hYAWKa1wn5GbLF88ALZNrPPq0M=; b=IBiSooTW2pMFgeRWWNnJmD5MiU1anztM2pljmSAD14iq0qdErUS+Nn/KPALuicf8rp bjrVDebEQcs1qIRBswgZnW+7hWJEq4ro1QVoigevyr0fQigdH3eWNJj+1IjrQmfj5CzF lmNxohlYpoispA7mx14D9hJ23rsF3ta1jteWfO8DY96nrdVz4VRDUQDOgTVEGiCAOLq7 TsoGZnHWGHDi86KsVoFWIln6DCULRfgzESiFCYmYH115UrA+UTOYNN3czpf40wEO9tXQ efd+99lcfSns1g4KOPbyQJ+U9SrHSwlKCsJf161xNGJEYXAmWBkdZueyag3JN25jTj1K g9nw== X-Gm-Message-State: AOJu0YzjlO1rkJ9fNNQYLGrl+OpeimR6vHespXl+jtRqqSyxr93zXNEV z13oB8FDWXQPOHApzPENWH15JzRCFWFjLg== X-Google-Smtp-Source: AGHT+IEcZydqp26UmM2gGlsNg44vjnJbRAAJ3uW1uraqcsA7tvlX/FMy2fQHYhUJDbZw9RyIXeGD+w== X-Received: by 2002:a50:ab51:0:b0:554:3ba8:6896 with SMTP id t17-20020a50ab51000000b005543ba86896mr6465084edc.79.1703941478514; Sat, 30 Dec 2023 05:04:38 -0800 (PST) Received: from [10.167.154.1] (178235179036.dynamic-4-waw-k-1-3-0.vectranet.pl. [178.235.179.36]) by smtp.gmail.com with ESMTPSA id ij14-20020a056402158e00b00554368c9ce8sm11359578edb.1.2023.12.30.05.04.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 30 Dec 2023 05:04:38 -0800 (PST) From: Konrad Dybcio Date: Sat, 30 Dec 2023 14:04:09 +0100 Subject: [PATCH v4 07/12] clk: qcom: gcc-sm6115: Unregister critical clocks Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20230717-topic-branch_aon_cleanup-v4-7-32c293ded915@linaro.org> References: <20230717-topic-branch_aon_cleanup-v4-0-32c293ded915@linaro.org> In-Reply-To: <20230717-topic-branch_aon_cleanup-v4-0-32c293ded915@linaro.org> To: Bjorn Andersson , Andy Gross , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Marijn Suijten , linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Konrad Dybcio X-Mailer: b4 0.12.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1703941465; l=7151; i=konrad.dybcio@linaro.org; s=20230215; h=from:subject:message-id; bh=G0UYzD6Kpjr3rvG7p+9nU/ocbhuHa6TQaZHq/prXa6g=; b=WYKHyLzo2wVFXjkhjSCG6Fx5sJFBCCreFZ7X1RX5FiqO1+ACLDlR88g5bwpI7YCvREXb1mfkn OUtZ2uVe67yDo57TdfG2LgPyNw8413v5IAtfVQxHfi3cz7J7JW8SIIY X-Developer-Key: i=konrad.dybcio@linaro.org; a=ed25519; pk=iclgkYvtl2w05SSXO5EjjSYlhFKsJ+5OSZBjOkQuEms= Some clocks need to be always-on, but we don't really do anything with them, other than calling enable() once and telling Linux they're enabled. Unregister them to save a couple of bytes and, perhaps more importantly, allow for runtime suspend of the clock controller device, as CLK_IS_CRITICAL prevents the latter. Signed-off-by: Konrad Dybcio --- drivers/clk/qcom/gcc-sm6115.c | 123 +++--------------------------------------- 1 file changed, 8 insertions(+), 115 deletions(-) diff --git a/drivers/clk/qcom/gcc-sm6115.c b/drivers/clk/qcom/gcc-sm6115.c index 13e521cd4259..87a2bfe222a3 100644 --- a/drivers/clk/qcom/gcc-sm6115.c +++ b/drivers/clk/qcom/gcc-sm6115.c @@ -1586,36 +1586,6 @@ static struct clk_branch gcc_cam_throttle_rt_clk = { }, }; -static struct clk_branch gcc_camera_ahb_clk = { - .halt_reg = 0x17008, - .halt_check = BRANCH_HALT_DELAY, - .hwcg_reg = 0x17008, - .hwcg_bit = 1, - .clkr = { - .enable_reg = 0x17008, - .enable_mask = BIT(0), - .hw.init = &(struct clk_init_data){ - .name = "gcc_camera_ahb_clk", - .flags = CLK_IS_CRITICAL, - .ops = &clk_branch2_ops, - }, - }, -}; - -static struct clk_branch gcc_camera_xo_clk = { - .halt_reg = 0x17028, - .halt_check = BRANCH_HALT, - .clkr = { - .enable_reg = 0x17028, - .enable_mask = BIT(0), - .hw.init = &(struct clk_init_data){ - .name = "gcc_camera_xo_clk", - .flags = CLK_IS_CRITICAL, - .ops = &clk_branch2_ops, - }, - }, -}; - static struct clk_branch gcc_camss_axi_clk = { .halt_reg = 0x58044, .halt_check = BRANCH_HALT, @@ -2124,38 +2094,6 @@ static struct clk_branch gcc_cfg_noc_usb3_prim_axi_clk = { }, }; -static struct clk_branch gcc_cpuss_gnoc_clk = { - .halt_reg = 0x2b004, - .halt_check = BRANCH_HALT_VOTED, - .hwcg_reg = 0x2b004, - .hwcg_bit = 1, - .clkr = { - .enable_reg = 0x79004, - .enable_mask = BIT(22), - .hw.init = &(struct clk_init_data){ - .name = "gcc_cpuss_gnoc_clk", - .flags = CLK_IS_CRITICAL, - .ops = &clk_branch2_ops, - }, - }, -}; - -static struct clk_branch gcc_disp_ahb_clk = { - .halt_reg = 0x1700c, - .halt_check = BRANCH_HALT, - .hwcg_reg = 0x1700c, - .hwcg_bit = 1, - .clkr = { - .enable_reg = 0x1700c, - .enable_mask = BIT(0), - .hw.init = &(struct clk_init_data){ - .name = "gcc_disp_ahb_clk", - .flags = CLK_IS_CRITICAL, - .ops = &clk_branch2_ops, - }, - }, -}; - static struct clk_regmap_div gcc_disp_gpll0_clk_src = { .reg = 0x17058, .shift = 0, @@ -2215,20 +2153,6 @@ static struct clk_branch gcc_disp_throttle_core_clk = { }, }; -static struct clk_branch gcc_disp_xo_clk = { - .halt_reg = 0x1702c, - .halt_check = BRANCH_HALT, - .clkr = { - .enable_reg = 0x1702c, - .enable_mask = BIT(0), - .hw.init = &(struct clk_init_data){ - .name = "gcc_disp_xo_clk", - .flags = CLK_IS_CRITICAL, - .ops = &clk_branch2_ops, - }, - }, -}; - static struct clk_branch gcc_gp1_clk = { .halt_reg = 0x4d000, .halt_check = BRANCH_HALT, @@ -2283,22 +2207,6 @@ static struct clk_branch gcc_gp3_clk = { }, }; -static struct clk_branch gcc_gpu_cfg_ahb_clk = { - .halt_reg = 0x36004, - .halt_check = BRANCH_HALT, - .hwcg_reg = 0x36004, - .hwcg_bit = 1, - .clkr = { - .enable_reg = 0x36004, - .enable_mask = BIT(0), - .hw.init = &(struct clk_init_data){ - .name = "gcc_gpu_cfg_ahb_clk", - .flags = CLK_IS_CRITICAL, - .ops = &clk_branch2_ops, - }, - }, -}; - static struct clk_branch gcc_gpu_gpll0_clk_src = { .halt_check = BRANCH_HALT_DELAY, .clkr = { @@ -2771,22 +2679,6 @@ static struct clk_branch gcc_sdcc2_apps_clk = { }, }; -static struct clk_branch gcc_sys_noc_cpuss_ahb_clk = { - .halt_reg = 0x2b06c, - .halt_check = BRANCH_HALT_VOTED, - .hwcg_reg = 0x2b06c, - .hwcg_bit = 1, - .clkr = { - .enable_reg = 0x79004, - .enable_mask = BIT(0), - .hw.init = &(struct clk_init_data){ - .name = "gcc_sys_noc_cpuss_ahb_clk", - .flags = CLK_IS_CRITICAL, - .ops = &clk_branch2_ops, - }, - }, -}; - static struct clk_branch gcc_sys_noc_ufs_phy_axi_clk = { .halt_reg = 0x45098, .halt_check = BRANCH_HALT, @@ -3272,8 +3164,6 @@ static struct clk_regmap *gcc_sm6115_clocks[] = { [GCC_BOOT_ROM_AHB_CLK] = &gcc_boot_rom_ahb_clk.clkr, [GCC_CAM_THROTTLE_NRT_CLK] = &gcc_cam_throttle_nrt_clk.clkr, [GCC_CAM_THROTTLE_RT_CLK] = &gcc_cam_throttle_rt_clk.clkr, - [GCC_CAMERA_AHB_CLK] = &gcc_camera_ahb_clk.clkr, - [GCC_CAMERA_XO_CLK] = &gcc_camera_xo_clk.clkr, [GCC_CAMSS_AXI_CLK] = &gcc_camss_axi_clk.clkr, [GCC_CAMSS_AXI_CLK_SRC] = &gcc_camss_axi_clk_src.clkr, [GCC_CAMSS_CAMNOC_ATB_CLK] = &gcc_camss_camnoc_atb_clk.clkr, @@ -3322,20 +3212,16 @@ static struct clk_regmap *gcc_sm6115_clocks[] = { [GCC_CAMSS_TOP_AHB_CLK] = &gcc_camss_top_ahb_clk.clkr, [GCC_CAMSS_TOP_AHB_CLK_SRC] = &gcc_camss_top_ahb_clk_src.clkr, [GCC_CFG_NOC_USB3_PRIM_AXI_CLK] = &gcc_cfg_noc_usb3_prim_axi_clk.clkr, - [GCC_CPUSS_GNOC_CLK] = &gcc_cpuss_gnoc_clk.clkr, - [GCC_DISP_AHB_CLK] = &gcc_disp_ahb_clk.clkr, [GCC_DISP_GPLL0_CLK_SRC] = &gcc_disp_gpll0_clk_src.clkr, [GCC_DISP_GPLL0_DIV_CLK_SRC] = &gcc_disp_gpll0_div_clk_src.clkr, [GCC_DISP_HF_AXI_CLK] = &gcc_disp_hf_axi_clk.clkr, [GCC_DISP_THROTTLE_CORE_CLK] = &gcc_disp_throttle_core_clk.clkr, - [GCC_DISP_XO_CLK] = &gcc_disp_xo_clk.clkr, [GCC_GP1_CLK] = &gcc_gp1_clk.clkr, [GCC_GP1_CLK_SRC] = &gcc_gp1_clk_src.clkr, [GCC_GP2_CLK] = &gcc_gp2_clk.clkr, [GCC_GP2_CLK_SRC] = &gcc_gp2_clk_src.clkr, [GCC_GP3_CLK] = &gcc_gp3_clk.clkr, [GCC_GP3_CLK_SRC] = &gcc_gp3_clk_src.clkr, - [GCC_GPU_CFG_AHB_CLK] = &gcc_gpu_cfg_ahb_clk.clkr, [GCC_GPU_GPLL0_CLK_SRC] = &gcc_gpu_gpll0_clk_src.clkr, [GCC_GPU_GPLL0_DIV_CLK_SRC] = &gcc_gpu_gpll0_div_clk_src.clkr, [GCC_GPU_IREF_CLK] = &gcc_gpu_iref_clk.clkr, @@ -3376,7 +3262,6 @@ static struct clk_regmap *gcc_sm6115_clocks[] = { [GCC_SDCC2_AHB_CLK] = &gcc_sdcc2_ahb_clk.clkr, [GCC_SDCC2_APPS_CLK] = &gcc_sdcc2_apps_clk.clkr, [GCC_SDCC2_APPS_CLK_SRC] = &gcc_sdcc2_apps_clk_src.clkr, - [GCC_SYS_NOC_CPUSS_AHB_CLK] = &gcc_sys_noc_cpuss_ahb_clk.clkr, [GCC_SYS_NOC_UFS_PHY_AXI_CLK] = &gcc_sys_noc_ufs_phy_axi_clk.clkr, [GCC_SYS_NOC_USB3_PRIM_AXI_CLK] = &gcc_sys_noc_usb3_prim_axi_clk.clkr, [GCC_UFS_CLKREF_CLK] = &gcc_ufs_clkref_clk.clkr, @@ -3513,6 +3398,14 @@ static int gcc_sm6115_probe(struct platform_device *pdev) clk_alpha_pll_configure(&gpll10, regmap, &gpll10_config); clk_alpha_pll_configure(&gpll11, regmap, &gpll11_config); + qcom_branch_set_clk_en(regmap, 0x17008); /* GCC_CAMERA_AHB_CLK */ + qcom_branch_set_clk_en(regmap, 0x17028); /* GCC_CAMERA_XO_CLK */ + qcom_branch_set_clk_en(regmap, 0x2b004); /* GCC_CPUSS_GNOC_CLK */ + qcom_branch_set_clk_en(regmap, 0x1700c); /* GCC_DISP_AHB_CLK */ + qcom_branch_set_clk_en(regmap, 0x1702c); /* GCC_DISP_XO_CLK */ + qcom_branch_set_clk_en(regmap, 0x36004); /* GCC_GPU_CFG_AHB_CLK */ + qcom_branch_set_clk_en(regmap, 0x2b06c); /* GCC_SYS_NOC_CPUSS_AHB_CLK */ + return qcom_cc_really_probe(pdev, &gcc_sm6115_desc, regmap); }