From patchwork Mon Jun 29 17:20:39 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonathan Marek X-Patchwork-Id: 11632675 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C86BD138C for ; Mon, 29 Jun 2020 21:41:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A1246206A1 for ; Mon, 29 Jun 2020 21:41:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=marek-ca.20150623.gappssmtp.com header.i=@marek-ca.20150623.gappssmtp.com header.b="mMGkmZq1" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726951AbgF2SjU (ORCPT ); Mon, 29 Jun 2020 14:39:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37592 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727942AbgF2Sh7 (ORCPT ); Mon, 29 Jun 2020 14:37:59 -0400 Received: from mail-qk1-x742.google.com (mail-qk1-x742.google.com [IPv6:2607:f8b0:4864:20::742]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1B66EC031438 for ; Mon, 29 Jun 2020 10:21:15 -0700 (PDT) Received: by mail-qk1-x742.google.com with SMTP id b185so5375287qkg.1 for ; Mon, 29 Jun 2020 10:21:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marek-ca.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=CQ5czhTGXweNVqtfWoXAhQH3+cba0UkpB5GtKSvyHfQ=; b=mMGkmZq1Pr9iMYnIDExSDoNAzRHbSXrsz6yMcPMI1wVN7wVGiRVPenpHuhUH1Me98N ZGeG8biQ4ozIvpGMXcYrh1LNPFtsn8q9nuYDMUDbeADMVn5LHzfK5gykvGj4iqC0rvBb OlGI9Gb0erGX+Nn/EROCxfpKN+o5vAOtrkKZhs0FcTjisVEp2819mnciG46zPYZOInBX 3pdJpGVxk9CG6SYmNpjqEnFVQIy1qQGGI1Nt+STm6EozBKKxYJ2yByBVfrce5Lfa0zqW kXRnOGyZL7zZJpltqStfuW4MXLcBjJZzPcAGXWOMA7LHd3tunWcuHN7yypeLy/wJCJCg Wk7w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=CQ5czhTGXweNVqtfWoXAhQH3+cba0UkpB5GtKSvyHfQ=; b=bm/qd7PgsDTaE480+ORgmb7suRcRwiAYrlfE4k46zc2+X6wXNFLmfa/OXf3CTB0yyr 5BzW84wq4PpAT3KiNb6O3VNcf6I/aX/4BrRaTAP1e/AIjzNH3GnJfVIo+ARxt9qxU/0b jeFcKqNFQlzjJxkXiWe9YIJiCxX9FZQQkwRlscv9K4UjuTx8ercIIXwNbQwbxrxI+fXi jdoN497G3u/jmlDpPuLVLBEfRtrv9A1yjYF/4HfBnFtes5I3TjPG+pwY0KX3IQKI7UTm M/sj168nuFVqOzSyd4q4RVLFN7GHnABEVOxkgmPctq1NGQM5ySiLcBlYn6iM2Wseb1Je M61Q== X-Gm-Message-State: AOAM533jbhUv/ddlBw55v0afhXwDh7nXzw9vM3O5DGIePfALUe0Irxxr FwGTlnzopJHZWRl10jAnyV0wtQUTYmM= X-Google-Smtp-Source: ABdhPJx2OSjapTLKyKtfXKOk7hmouOdETIbwwdyyBpHWWB4uHcPFYQ5PnHJ91aRwMsVw/A6VMtK1Fg== X-Received: by 2002:a37:9cf:: with SMTP id 198mr15578295qkj.69.1593451273920; Mon, 29 Jun 2020 10:21:13 -0700 (PDT) Received: from localhost.localdomain ([147.253.86.153]) by smtp.gmail.com with ESMTPSA id q5sm408363qtf.12.2020.06.29.10.21.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 29 Jun 2020 10:21:13 -0700 (PDT) From: Jonathan Marek To: linux-arm-msm@vger.kernel.org Cc: Andy Gross , Bjorn Andersson , Michael Turquette , Stephen Boyd , linux-kernel@vger.kernel.org (open list), linux-clk@vger.kernel.org (open list:COMMON CLK FRAMEWORK) Subject: [PATCH v2 09/13] clk: qcom: Add graphics clock controller driver for SM8150 Date: Mon, 29 Jun 2020 13:20:39 -0400 Message-Id: <20200629172049.30452-10-jonathan@marek.ca> X-Mailer: git-send-email 2.26.1 In-Reply-To: <20200629172049.30452-1-jonathan@marek.ca> References: <20200629172049.30452-1-jonathan@marek.ca> MIME-Version: 1.0 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Add support for the graphics clock controller found on SM8150 based devices. This would allow graphics drivers to probe and control their clocks. This is copied from the downstream kernel, adapted for upstream. For example, GDSCs have been added. Signed-off-by: Jonathan Marek --- drivers/clk/qcom/Kconfig | 8 + drivers/clk/qcom/Makefile | 1 + drivers/clk/qcom/gpucc-sm8150.c | 421 ++++++++++++++++++++++++++++++++ 3 files changed, 430 insertions(+) create mode 100644 drivers/clk/qcom/gpucc-sm8150.c diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig index cde6ca90a06b..1bf5e927ee0d 100644 --- a/drivers/clk/qcom/Kconfig +++ b/drivers/clk/qcom/Kconfig @@ -391,6 +391,14 @@ config SM_GCC_8250 Say Y if you want to use peripheral devices such as UART, SPI, I2C, USB, SD/UFS, PCIe etc. +config SM_GPUCC_8150 + tristate "SM8150 Graphics Clock Controller" + select SM_GCC_8150 + help + Support for the graphics clock controller on SM8150 devices. + Say Y if you want to support graphics controller devices and + functionality such as 3D graphics. + config SPMI_PMIC_CLKDIV tristate "SPMI PMIC clkdiv Support" depends on SPMI || COMPILE_TEST diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile index 7ec8561a1270..f819663c53a6 100644 --- a/drivers/clk/qcom/Makefile +++ b/drivers/clk/qcom/Makefile @@ -62,6 +62,7 @@ obj-$(CONFIG_SDM_LPASSCC_845) += lpasscc-sdm845.o obj-$(CONFIG_SDM_VIDEOCC_845) += videocc-sdm845.o obj-$(CONFIG_SM_GCC_8150) += gcc-sm8150.o obj-$(CONFIG_SM_GCC_8250) += gcc-sm8250.o +obj-$(CONFIG_SM_GPUCC_8150) += gpucc-sm8150.o obj-$(CONFIG_SPMI_PMIC_CLKDIV) += clk-spmi-pmic-div.o obj-$(CONFIG_KPSS_XCC) += kpss-xcc.o obj-$(CONFIG_QCOM_HFPLL) += hfpll.o diff --git a/drivers/clk/qcom/gpucc-sm8150.c b/drivers/clk/qcom/gpucc-sm8150.c new file mode 100644 index 000000000000..dfeb8a5ad005 --- /dev/null +++ b/drivers/clk/qcom/gpucc-sm8150.c @@ -0,0 +1,421 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2017-2020, The Linux Foundation. All rights reserved. + */ + +#include +#include +#include +#include + +#include + +#include "common.h" +#include "clk-alpha-pll.h" +#include "clk-branch.h" +#include "clk-pll.h" +#include "clk-rcg.h" +#include "clk-regmap.h" +#include "reset.h" +#include "gdsc.h" + +enum { + P_BI_TCXO, + P_CORE_BI_PLL_TEST_SE, + P_GPLL0_OUT_MAIN, + P_GPLL0_OUT_MAIN_DIV, + P_GPU_CC_PLL0_OUT_MAIN, + P_GPU_CC_PLL1_OUT_MAIN, +}; + +static const struct parent_map gpu_cc_parent_map_0[] = { + { P_BI_TCXO, 0 }, + { P_GPU_CC_PLL0_OUT_MAIN, 1 }, + { P_GPU_CC_PLL1_OUT_MAIN, 3 }, + { P_GPLL0_OUT_MAIN, 5 }, + { P_GPLL0_OUT_MAIN_DIV, 6 }, + { P_CORE_BI_PLL_TEST_SE, 7 }, +}; + +static const char * const gpu_cc_parent_names_0[] = { + "bi_tcxo", + "gpu_cc_pll0", + "gpu_cc_pll1", + "gcc_gpu_gpll0_clk_src", + "gcc_gpu_gpll0_div_clk_src", + "core_bi_pll_test_se", +}; + +static const struct pll_vco trion_vco[] = { + { 249600000, 2000000000, 0 }, +}; + +static struct alpha_pll_config gpu_cc_pll1_config = { + .l = 0x1a, + .alpha = 0xaaa, + .config_ctl_val = 0x20485699, + .config_ctl_hi_val = 0x00002267, + .config_ctl_hi1_val = 0x00000024, + .test_ctl_val = 0x00000000, + .test_ctl_hi_val = 0x00000002, + .test_ctl_hi1_val = 0x00000000, + .user_ctl_val = 0x00000000, + .user_ctl_hi_val = 0x00000805, + .user_ctl_hi1_val = 0x000000d0, +}; + +static struct clk_alpha_pll gpu_cc_pll1 = { + .offset = 0x100, + .vco_table = trion_vco, + .num_vco = ARRAY_SIZE(trion_vco), + .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_TRION], + .clkr = { + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_pll1", + .parent_names = (const char *[]){ "bi_tcxo" }, + .num_parents = 1, + .ops = &clk_alpha_pll_trion_ops, + }, + }, +}; + +static const struct freq_tbl ftbl_gpu_cc_gmu_clk_src[] = { + F(19200000, P_BI_TCXO, 1, 0, 0), + F(200000000, P_GPLL0_OUT_MAIN_DIV, 1.5, 0, 0), + F(500000000, P_GPU_CC_PLL1_OUT_MAIN, 1, 0, 0), + { } +}; + +static struct clk_rcg2 gpu_cc_gmu_clk_src = { + .cmd_rcgr = 0x1120, + .mnd_width = 0, + .hid_width = 5, + .parent_map = gpu_cc_parent_map_0, + .freq_tbl = ftbl_gpu_cc_gmu_clk_src, + .clkr.hw.init = &(struct clk_init_data){ + .name = "gpu_cc_gmu_clk_src", + .parent_names = gpu_cc_parent_names_0, + .num_parents = 6, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_rcg2_ops, + }, +}; + +static struct clk_branch gpu_cc_ahb_clk = { + .halt_reg = 0x1078, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x1078, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_ahb_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_crc_ahb_clk = { + .halt_reg = 0x107c, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x107c, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_crc_ahb_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_cx_apb_clk = { + .halt_reg = 0x1088, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x1088, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_cx_apb_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_cx_gmu_clk = { + .halt_reg = 0x1098, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x1098, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_cx_gmu_clk", + .parent_names = (const char *[]){ + "gpu_cc_gmu_clk_src", + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_cx_qdss_at_clk = { + .halt_reg = 0x1080, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x1080, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_cx_qdss_at_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_cx_qdss_trig_clk = { + .halt_reg = 0x1094, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x1094, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_cx_qdss_trig_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_cx_qdss_tsctr_clk = { + .halt_reg = 0x1084, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x1084, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_cx_qdss_tsctr_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_cx_snoc_dvm_clk = { + .halt_reg = 0x108c, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x108c, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_cx_snoc_dvm_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_cxo_aon_clk = { + .halt_reg = 0x1004, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x1004, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_cxo_aon_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_cxo_clk = { + .halt_reg = 0x109c, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x109c, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_cxo_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_gx_gmu_clk = { + .halt_reg = 0x1064, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x1064, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_gx_gmu_clk", + .parent_names = (const char *[]){ + "gpu_cc_gmu_clk_src", + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_gx_qdss_tsctr_clk = { + .halt_reg = 0x105c, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x105c, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_gx_qdss_tsctr_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_gx_vsense_clk = { + .halt_reg = 0x1058, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x1058, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_gx_vsense_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_pll_test_clk = { + .halt_reg = 0x110c, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x110c, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_pll_test_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_sleep_clk = { + .halt_reg = 0x1090, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x1090, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_sleep_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct gdsc gpu_cx_gdsc = { + .gdscr = 0x106c, + .gds_hw_ctrl = 0x1540, + .pd = { + .name = "gpu_cx_gdsc", + }, + .pwrsts = PWRSTS_OFF_ON, + .flags = VOTABLE, +}; + +static struct gdsc gpu_gx_gdsc = { + .gdscr = 0x100c, + .clamp_io_ctrl = 0x1508, + .pd = { + .name = "gpu_gx_gdsc", + .power_on = gdsc_gx_do_nothing_enable, + }, + .pwrsts = PWRSTS_OFF_ON, + .flags = CLAMP_IO | AON_RESET | POLL_CFG_GDSCR, +}; + +static struct clk_regmap *gpu_cc_sm8150_clocks[] = { + [GPU_CC_AHB_CLK] = &gpu_cc_ahb_clk.clkr, + [GPU_CC_CRC_AHB_CLK] = &gpu_cc_crc_ahb_clk.clkr, + [GPU_CC_CX_APB_CLK] = &gpu_cc_cx_apb_clk.clkr, + [GPU_CC_CX_GMU_CLK] = &gpu_cc_cx_gmu_clk.clkr, + [GPU_CC_CX_QDSS_AT_CLK] = &gpu_cc_cx_qdss_at_clk.clkr, + [GPU_CC_CX_QDSS_TRIG_CLK] = &gpu_cc_cx_qdss_trig_clk.clkr, + [GPU_CC_CX_QDSS_TSCTR_CLK] = &gpu_cc_cx_qdss_tsctr_clk.clkr, + [GPU_CC_CX_SNOC_DVM_CLK] = &gpu_cc_cx_snoc_dvm_clk.clkr, + [GPU_CC_CXO_AON_CLK] = &gpu_cc_cxo_aon_clk.clkr, + [GPU_CC_CXO_CLK] = &gpu_cc_cxo_clk.clkr, + [GPU_CC_GMU_CLK_SRC] = &gpu_cc_gmu_clk_src.clkr, + [GPU_CC_GX_GMU_CLK] = &gpu_cc_gx_gmu_clk.clkr, + [GPU_CC_GX_QDSS_TSCTR_CLK] = &gpu_cc_gx_qdss_tsctr_clk.clkr, + [GPU_CC_GX_VSENSE_CLK] = &gpu_cc_gx_vsense_clk.clkr, + [GPU_CC_PLL1] = &gpu_cc_pll1.clkr, + [GPU_CC_PLL_TEST_CLK] = &gpu_cc_pll_test_clk.clkr, + [GPU_CC_SLEEP_CLK] = &gpu_cc_sleep_clk.clkr, +}; + +static const struct qcom_reset_map gpu_cc_sm8150_resets[] = { + [GPUCC_GPU_CC_CX_BCR] = { 0x1068 }, + [GPUCC_GPU_CC_GMU_BCR] = { 0x111c }, + [GPUCC_GPU_CC_GX_BCR] = { 0x1008 }, + [GPUCC_GPU_CC_SPDM_BCR] = { 0x1110 }, + [GPUCC_GPU_CC_XO_BCR] = { 0x1000 }, +}; + +static struct gdsc *gpu_cc_sm8150_gdscs[] = { + [GPU_CX_GDSC] = &gpu_cx_gdsc, + [GPU_GX_GDSC] = &gpu_gx_gdsc, +}; + +static const struct regmap_config gpu_cc_sm8150_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .max_register = 0x8008, + .fast_io = true, +}; + +static const struct qcom_cc_desc gpu_cc_sm8150_desc = { + .config = &gpu_cc_sm8150_regmap_config, + .clks = gpu_cc_sm8150_clocks, + .num_clks = ARRAY_SIZE(gpu_cc_sm8150_clocks), + .resets = gpu_cc_sm8150_resets, + .num_resets = ARRAY_SIZE(gpu_cc_sm8150_resets), + .gdscs = gpu_cc_sm8150_gdscs, + .num_gdscs = ARRAY_SIZE(gpu_cc_sm8150_gdscs), +}; + +static const struct of_device_id gpu_cc_sm8150_match_table[] = { + { .compatible = "qcom,sm8150-gpucc" }, + { } +}; +MODULE_DEVICE_TABLE(of, gpu_cc_sm8150_match_table); + +static int gpu_cc_sm8150_probe(struct platform_device *pdev) +{ + struct regmap *regmap; + + regmap = qcom_cc_map(pdev, &gpu_cc_sm8150_desc); + if (IS_ERR(regmap)) + return PTR_ERR(regmap); + + clk_trion_pll_configure(&gpu_cc_pll1, regmap, &gpu_cc_pll1_config); + + return qcom_cc_really_probe(pdev, &gpu_cc_sm8150_desc, regmap); +} + +static struct platform_driver gpu_cc_sm8150_driver = { + .probe = gpu_cc_sm8150_probe, + .driver = { + .name = "sm8150-gpucc", + .of_match_table = gpu_cc_sm8150_match_table, + }, +}; + +static int __init gpu_cc_sm8150_init(void) +{ + return platform_driver_register(&gpu_cc_sm8150_driver); +} +subsys_initcall(gpu_cc_sm8150_init); + +static void __exit gpu_cc_sm8150_exit(void) +{ + platform_driver_unregister(&gpu_cc_sm8150_driver); +} +module_exit(gpu_cc_sm8150_exit); + +MODULE_DESCRIPTION("QTI GPUCC SM8150 Driver"); +MODULE_LICENSE("GPL v2");