From patchwork Tue Apr 27 10:33:08 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Taniya Das X-Patchwork-Id: 428731 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=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, 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 DF0ABC43461 for ; Tue, 27 Apr 2021 10:35:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BBB74610FA for ; Tue, 27 Apr 2021 10:35:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235913AbhD0Kfz (ORCPT ); Tue, 27 Apr 2021 06:35:55 -0400 Received: from so254-9.mailgun.net ([198.61.254.9]:61680 "EHLO so254-9.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239177AbhD0KfN (ORCPT ); Tue, 27 Apr 2021 06:35:13 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1619519670; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=vTMo0GPdW8TREzbMJinZz6tihwak2H0kYM/O9NZzK5U=; b=b1EID55/t0I7FioNhziyraXSToF49hylN7J484sKuiKYOw55E7o1p36spdkEKxKKVXMmDELE jop8nuZHKwpJJX9L5ocwrxFHWduBasIccJ5Rns6oeuZ1YpJc52nAxZwkexO/0W2GjgCWdYWk GHd5fleWbN66ZCU+Iedp6MEXkCs= X-Mailgun-Sending-Ip: 198.61.254.9 X-Mailgun-Sid: WyI1YmJiNiIsICJkZXZpY2V0cmVlQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n06.prod.us-east-1.postgun.com with SMTP id 6087e88e74f773a66471e357 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Tue, 27 Apr 2021 10:33:50 GMT Sender: tdas=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id B949EC00446; Tue, 27 Apr 2021 10:33:49 +0000 (UTC) Received: from tdas-linux.qualcomm.com (unknown [202.46.22.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: tdas) by smtp.codeaurora.org (Postfix) with ESMTPSA id 32FFFC4323A; Tue, 27 Apr 2021 10:33:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 32FFFC4323A Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=tdas@codeaurora.org From: Taniya Das To: Stephen Boyd , =?utf-8?q?Michael_Turquette_=C2=A0?= Cc: Rajendra Nayak , linux-arm-msm@vger.kernel.org, linux-soc@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, robh@kernel.org, robh+dt@kernel.org, Taniya Das Subject: [PATCH v2 4/6] clk: qcom: Add graphics clock controller driver for SC7280 Date: Tue, 27 Apr 2021 16:03:08 +0530 Message-Id: <1619519590-3019-5-git-send-email-tdas@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1619519590-3019-1-git-send-email-tdas@codeaurora.org> References: <1619519590-3019-1-git-send-email-tdas@codeaurora.org> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add support for the graphics clock controller found on SC7280 based devices. This would allow graphics drivers to probe and control their clocks. Signed-off-by: Taniya Das --- drivers/clk/qcom/Kconfig | 8 + drivers/clk/qcom/Makefile | 1 + drivers/clk/qcom/gpucc-sc7280.c | 491 ++++++++++++++++++++++++++++++++++++++++ 3 files changed, 500 insertions(+) create mode 100644 drivers/clk/qcom/gpucc-sc7280.c diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig index 336f15c..13fb381 100644 --- a/drivers/clk/qcom/Kconfig +++ b/drivers/clk/qcom/Kconfig @@ -378,6 +378,14 @@ config SC_GPUCC_7180 Say Y if you want to support graphics controller devices and functionality such as 3D graphics. +config SC_GPUCC_7280 + tristate "SC7280 Graphics Clock Controller" + select SC_GCC_7280 + help + Support for the graphics clock controller on SC7280 devices. + Say Y if you want to support graphics controller devices and + functionality such as 3D graphics. + config SC_MSS_7180 tristate "SC7180 Modem Clock Controller" select SC_GCC_7180 diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile index db07a19..c84a31d 100644 --- a/drivers/clk/qcom/Makefile +++ b/drivers/clk/qcom/Makefile @@ -61,6 +61,7 @@ obj-$(CONFIG_SC_GCC_7180) += gcc-sc7180.o obj-$(CONFIG_SC_GCC_7280) += gcc-sc7280.o obj-$(CONFIG_SC_GCC_8180X) += gcc-sc8180x.o obj-$(CONFIG_SC_GPUCC_7180) += gpucc-sc7180.o +obj-$(CONFIG_SC_GPUCC_7280) += gpucc-sc7280.o obj-$(CONFIG_SC_LPASS_CORECC_7180) += lpasscorecc-sc7180.o obj-$(CONFIG_SC_MSS_7180) += mss-sc7180.o obj-$(CONFIG_SC_VIDEOCC_7180) += videocc-sc7180.o diff --git a/drivers/clk/qcom/gpucc-sc7280.c b/drivers/clk/qcom/gpucc-sc7280.c new file mode 100644 index 0000000..fd34219 --- /dev/null +++ b/drivers/clk/qcom/gpucc-sc7280.c @@ -0,0 +1,491 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2021, The Linux Foundation. All rights reserved. + */ + +#include +#include +#include +#include + +#include + +#include "clk-alpha-pll.h" +#include "clk-branch.h" +#include "clk-rcg.h" +#include "clk-regmap-divider.h" +#include "common.h" +#include "reset.h" +#include "gdsc.h" + +enum { + P_BI_TCXO, + P_GCC_GPU_GPLL0_CLK_SRC, + P_GCC_GPU_GPLL0_DIV_CLK_SRC, + P_GPU_CC_PLL0_OUT_MAIN, + P_GPU_CC_PLL1_OUT_MAIN, +}; + +static struct pll_vco lucid_vco[] = { + { 249600000, 2000000000, 0 }, +}; + +static struct clk_alpha_pll gpu_cc_pll0 = { + .offset = 0x0, + .vco_table = lucid_vco, + .num_vco = ARRAY_SIZE(lucid_vco), + .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID], + .clkr = { + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_pll0", + .parent_data = &(const struct clk_parent_data){ + .fw_name = "bi_tcxo", + }, + .num_parents = 1, + .ops = &clk_alpha_pll_lucid_ops, + }, + }, +}; + +/* 500MHz Configuration */ +static const struct alpha_pll_config gpu_cc_pll1_config = { + .l = 0x1A, + .alpha = 0xAAA, + .config_ctl_val = 0x20485699, + .config_ctl_hi_val = 0x00002261, + .config_ctl_hi1_val = 0x329A299C, + .user_ctl_val = 0x00000001, + .user_ctl_hi_val = 0x00000805, + .user_ctl_hi1_val = 0x00000000, +}; + +static struct clk_alpha_pll gpu_cc_pll1 = { + .offset = 0x100, + .vco_table = lucid_vco, + .num_vco = ARRAY_SIZE(lucid_vco), + .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID], + .clkr = { + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_pll1", + .parent_data = &(const struct clk_parent_data){ + .fw_name = "bi_tcxo", + }, + .num_parents = 1, + .ops = &clk_alpha_pll_lucid_ops, + }, + }, +}; + +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_GCC_GPU_GPLL0_CLK_SRC, 5 }, + { P_GCC_GPU_GPLL0_DIV_CLK_SRC, 6 }, +}; + +static const struct clk_parent_data gpu_cc_parent_data_0[] = { + { .fw_name = "bi_tcxo" }, + { .hw = &gpu_cc_pll0.clkr.hw }, + { .hw = &gpu_cc_pll1.clkr.hw }, + { .fw_name = "gcc_gpu_gpll0_clk_src" }, + { .fw_name = "gcc_gpu_gpll0_div_clk_src" }, +}; + +static const struct parent_map gpu_cc_parent_map_1[] = { + { P_BI_TCXO, 0 }, + { P_GPU_CC_PLL1_OUT_MAIN, 3 }, + { P_GCC_GPU_GPLL0_CLK_SRC, 5 }, + { P_GCC_GPU_GPLL0_DIV_CLK_SRC, 6 }, +}; + +static const struct clk_parent_data gpu_cc_parent_data_1[] = { + { .fw_name = "bi_tcxo", }, + { .hw = &gpu_cc_pll1.clkr.hw }, + { .fw_name = "gcc_gpu_gpll0_clk_src", }, + { .fw_name = "gcc_gpu_gpll0_div_clk_src", }, +}; + +static const struct freq_tbl ftbl_gpu_cc_gmu_clk_src[] = { + F(19200000, P_BI_TCXO, 1, 0, 0), + F(200000000, P_GCC_GPU_GPLL0_DIV_CLK_SRC, 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_data = gpu_cc_parent_data_0, + .num_parents = ARRAY_SIZE(gpu_cc_parent_data_0), + .ops = &clk_rcg2_shared_ops, + }, +}; + +static const struct freq_tbl ftbl_gpu_cc_hub_clk_src[] = { + F(150000000, P_GCC_GPU_GPLL0_DIV_CLK_SRC, 2, 0, 0), + F(240000000, P_GCC_GPU_GPLL0_CLK_SRC, 2.5, 0, 0), + F(300000000, P_GCC_GPU_GPLL0_CLK_SRC, 2, 0, 0), + { } +}; + +static struct clk_rcg2 gpu_cc_hub_clk_src = { + .cmd_rcgr = 0x117c, + .mnd_width = 0, + .hid_width = 5, + .parent_map = gpu_cc_parent_map_1, + .freq_tbl = ftbl_gpu_cc_hub_clk_src, + .clkr.hw.init = &(struct clk_init_data){ + .name = "gpu_cc_hub_clk_src", + .parent_data = gpu_cc_parent_data_1, + .num_parents = ARRAY_SIZE(gpu_cc_parent_data_1), + .ops = &clk_rcg2_shared_ops, + }, +}; + +static struct clk_regmap_div gpu_cc_hub_ahb_div_clk_src = { + .reg = 0x11c0, + .shift = 0, + .width = 4, + .clkr.hw.init = &(struct clk_init_data) { + .name = "gpu_cc_hub_ahb_div_clk_src", + .parent_hws = (const struct clk_hw*[]){ + &gpu_cc_hub_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_regmap_div_ro_ops, + }, +}; + +static struct clk_regmap_div gpu_cc_hub_cx_int_div_clk_src = { + .reg = 0x11bc, + .shift = 0, + .width = 4, + .clkr.hw.init = &(struct clk_init_data) { + .name = "gpu_cc_hub_cx_int_div_clk_src", + .parent_hws = (const struct clk_hw*[]){ + &gpu_cc_hub_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_regmap_div_ro_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", + .parent_hws = (const struct clk_hw*[]){ + &gpu_cc_hub_ahb_div_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_crc_ahb_clk = { + .halt_reg = 0x107c, + .halt_check = BRANCH_HALT_VOTED, + .clkr = { + .enable_reg = 0x107c, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_crc_ahb_clk", + .parent_hws = (const struct clk_hw*[]){ + &gpu_cc_hub_ahb_div_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .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_hws = (const struct clk_hw*[]){ + &gpu_cc_gmu_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_aon_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_cx_snoc_dvm_clk = { + .halt_reg = 0x108c, + .halt_check = BRANCH_HALT_VOTED, + .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_VOTED, + .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_aon_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_hws = (const struct clk_hw*[]){ + &gpu_cc_gmu_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_hlos1_vote_gpu_smmu_clk = { + .halt_reg = 0x5000, + .halt_check = BRANCH_VOTED, + .clkr = { + .enable_reg = 0x5000, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_hlos1_vote_gpu_smmu_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_hub_aon_clk = { + .halt_reg = 0x1178, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x1178, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_hub_aon_clk", + .parent_hws = (const struct clk_hw*[]){ + &gpu_cc_hub_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_aon_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_hub_cx_int_clk = { + .halt_reg = 0x1204, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x1204, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_hub_cx_int_clk", + .parent_hws = (const struct clk_hw*[]){ + &gpu_cc_hub_cx_int_div_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_aon_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_mnd1x_0_gfx3d_clk = { + .halt_reg = 0x802c, + .halt_check = BRANCH_HALT_SKIP, + .clkr = { + .enable_reg = 0x802c, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_mnd1x_0_gfx3d_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_mnd1x_1_gfx3d_clk = { + .halt_reg = 0x8030, + .halt_check = BRANCH_HALT_SKIP, + .clkr = { + .enable_reg = 0x8030, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_mnd1x_1_gfx3d_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_sleep_clk = { + .halt_reg = 0x1090, + .halt_check = BRANCH_HALT_VOTED, + .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 cx_gdsc = { + .gdscr = 0x106c, + .gds_hw_ctrl = 0x1540, + .pd = { + .name = "cx_gdsc", + }, + .pwrsts = PWRSTS_OFF_ON, + .flags = VOTABLE | RETAIN_FF_ENABLE, +}; + +static struct gdsc gx_gdsc = { + .gdscr = 0x100c, + .clamp_io_ctrl = 0x1508, + .pd = { + .name = "gx_gdsc", + .power_on = gdsc_gx_do_nothing_enable, + }, + .pwrsts = PWRSTS_OFF_ON, + .flags = CLAMP_IO | RETAIN_FF_ENABLE, +}; + +static struct gdsc *gpu_cc_sc7180_gdscs[] = { + [GPU_CC_CX_GDSC] = &cx_gdsc, + [GPU_CC_GX_GDSC] = &gx_gdsc, +}; + +static struct clk_regmap *gpu_cc_sc7280_clocks[] = { + [GPU_CC_AHB_CLK] = &gpu_cc_ahb_clk.clkr, + [GPU_CC_CRC_AHB_CLK] = &gpu_cc_crc_ahb_clk.clkr, + [GPU_CC_CX_GMU_CLK] = &gpu_cc_cx_gmu_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_HLOS1_VOTE_GPU_SMMU_CLK] = &gpu_cc_hlos1_vote_gpu_smmu_clk.clkr, + [GPU_CC_HUB_AHB_DIV_CLK_SRC] = &gpu_cc_hub_ahb_div_clk_src.clkr, + [GPU_CC_HUB_AON_CLK] = &gpu_cc_hub_aon_clk.clkr, + [GPU_CC_HUB_CLK_SRC] = &gpu_cc_hub_clk_src.clkr, + [GPU_CC_HUB_CX_INT_CLK] = &gpu_cc_hub_cx_int_clk.clkr, + [GPU_CC_HUB_CX_INT_DIV_CLK_SRC] = &gpu_cc_hub_cx_int_div_clk_src.clkr, + [GPU_CC_MND1X_0_GFX3D_CLK] = &gpu_cc_mnd1x_0_gfx3d_clk.clkr, + [GPU_CC_MND1X_1_GFX3D_CLK] = &gpu_cc_mnd1x_1_gfx3d_clk.clkr, + [GPU_CC_PLL0] = &gpu_cc_pll0.clkr, + [GPU_CC_PLL1] = &gpu_cc_pll1.clkr, + [GPU_CC_SLEEP_CLK] = &gpu_cc_sleep_clk.clkr, +}; + +static const struct regmap_config gpu_cc_sc7280_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .max_register = 0x8030, + .fast_io = true, +}; + +static const struct qcom_cc_desc gpu_cc_sc7280_desc = { + .config = &gpu_cc_sc7280_regmap_config, + .clks = gpu_cc_sc7280_clocks, + .num_clks = ARRAY_SIZE(gpu_cc_sc7280_clocks), + .gdscs = gpu_cc_sc7180_gdscs, + .num_gdscs = ARRAY_SIZE(gpu_cc_sc7180_gdscs), +}; + +static const struct of_device_id gpu_cc_sc7280_match_table[] = { + { .compatible = "qcom,sc7280-gpucc" }, + { } +}; +MODULE_DEVICE_TABLE(of, gpu_cc_sc7280_match_table); + +static int gpu_cc_sc7280_probe(struct platform_device *pdev) +{ + struct regmap *regmap; + + regmap = qcom_cc_map(pdev, &gpu_cc_sc7280_desc); + if (IS_ERR(regmap)) + return PTR_ERR(regmap); + + clk_lucid_pll_configure(&gpu_cc_pll1, regmap, &gpu_cc_pll1_config); + + /* + * Keep the clocks always-ON + * GPU_CC_CB_CLK, GPUCC_CX_GMU_CLK + */ + regmap_update_bits(regmap, 0x1170, BIT(0), BIT(0)); + regmap_update_bits(regmap, 0x1098, BIT(0), BIT(0)); + + return qcom_cc_really_probe(pdev, &gpu_cc_sc7280_desc, regmap); +} + +static struct platform_driver gpu_cc_sc7280_driver = { + .probe = gpu_cc_sc7280_probe, + .driver = { + .name = "gpu_cc-sc7280", + .of_match_table = gpu_cc_sc7280_match_table, + }, +}; + +static int __init gpu_cc_sc7280_init(void) +{ + return platform_driver_register(&gpu_cc_sc7280_driver); +} +subsys_initcall(gpu_cc_sc7280_init); + +static void __exit gpu_cc_sc7280_exit(void) +{ + platform_driver_unregister(&gpu_cc_sc7280_driver); +} +module_exit(gpu_cc_sc7280_exit); + +MODULE_DESCRIPTION("QTI GPU_CC SC7280 Driver"); +MODULE_LICENSE("GPL v2");