From patchwork Wed Oct 2 01:16:40 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeffrey Hugo X-Patchwork-Id: 11170107 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 DB4441902 for ; Wed, 2 Oct 2019 01:16:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A4FD62086A for ; Wed, 2 Oct 2019 01:16:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="m3lGYZUa" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725917AbfJBBQr (ORCPT ); Tue, 1 Oct 2019 21:16:47 -0400 Received: from mail-pg1-f195.google.com ([209.85.215.195]:36872 "EHLO mail-pg1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725908AbfJBBQr (ORCPT ); Tue, 1 Oct 2019 21:16:47 -0400 Received: by mail-pg1-f195.google.com with SMTP id c17so10960661pgg.4; Tue, 01 Oct 2019 18:16:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=9mNgykfL/7W24ke5/zXxMiR4qZy3FLnUlrK3sN00bB8=; b=m3lGYZUa0B1hRrnIWKyJ5rlEHbNUIDr2iGSBvvRC0UwZ0oK2IqPmCc3pPlCCGo7AuD 0/Ymq5a0DfzqKTr77+LnZ8z0fbuO7tgcv2BSjFBgwEa1cV/HKSG1vMoay1DcrGValVAh 0rW8vBjWAq3d+fgesoiExRpbNpiIcTChPn49Rb48jiLOOO4MYfeBLGYngDxQeL/m1Kk8 x/UUha8GtIhkpF++Bk1iIcLL1Vb/8IrtQEEBO8XrdN7QbMh6BWcYDQihE2M3ATMsAjoE UJUSomm3tY4HQFz/bVE2EpWHeoLpHH9xXMpCS8de18nOL2DCxlnePasLfQHq2R4gikLB 3Ggw== 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; bh=9mNgykfL/7W24ke5/zXxMiR4qZy3FLnUlrK3sN00bB8=; b=PBtCF0yDPXDpLqCqcJ3ib0L1MhxaMnyQ8Lq8Lp/rnowXM0Gu3Ap3pQMFcaMpg8wUvb yMH4pVWC4MJkLHMOqoZbHGw9hzdrY6VNL4N4r1AqcbCui8hjDh0v91f3cGgsk9gp7OTR x9YOGuRAnRRVQA4OQt7InOb/fCdLf2cgazh48tp7Pee8XQ6CsMZwVv4C9pqva4OfGxxH eeVb1p9eugvOo9c92IxgNUpY07hyLy7IKsNj7GW80TOx9Tp+XocxpNvXLLA+kvQ4oUX/ ZjmVhTzZyY6SIEjydsfyupXtUxEG6iQaTq2Er9JnjWT2vBIuD4eBe2w8m9BKfrOj/lnZ 16wg== X-Gm-Message-State: APjAAAXUOjDxArkC8le9XTnhyhPofjM1QAeJZ4ZlUAEfwn6xC/MtV1qT UMoApuHAFdjjJs4lZ2GL3Tw= X-Google-Smtp-Source: APXvYqyt6RqMpn6hw61QUk7hPOnoxTvzcdJAtmS9NdOqJeZh7/H6nGWWtPa0fjzrj9jTe1SfgMtiOQ== X-Received: by 2002:a63:a060:: with SMTP id u32mr895477pgn.150.1569979006737; Tue, 01 Oct 2019 18:16:46 -0700 (PDT) Received: from aw-bldr-10.qualcomm.com (i-global254.qualcomm.com. [199.106.103.254]) by smtp.gmail.com with ESMTPSA id a18sm16790762pgm.25.2019.10.01.18.16.45 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 01 Oct 2019 18:16:46 -0700 (PDT) From: Jeffrey Hugo To: mturquette@baylibre.com, sboyd@kernel.org Cc: agross@kernel.org, bjorn.andersson@linaro.org, marc.w.gonzalez@free.fr, linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, Jeffrey Hugo Subject: [PATCH v4 1/2] clk: qcom: Add MSM8998 GPU Clock Controller (GPUCC) driver Date: Tue, 1 Oct 2019 18:16:40 -0700 Message-Id: <20191002011640.36624-1-jeffrey.l.hugo@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191002011555.36571-1-jeffrey.l.hugo@gmail.com> References: <20191002011555.36571-1-jeffrey.l.hugo@gmail.com> Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org The GPUCC manages the clocks for the Adreno GPU found on MSM8998. Signed-off-by: Jeffrey Hugo --- drivers/clk/qcom/Kconfig | 9 + drivers/clk/qcom/Makefile | 1 + drivers/clk/qcom/gpucc-msm8998.c | 346 +++++++++++++++++++++++++++++++ 3 files changed, 356 insertions(+) create mode 100644 drivers/clk/qcom/gpucc-msm8998.c diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig index 96efee18fa6c..31a70168327c 100644 --- a/drivers/clk/qcom/Kconfig +++ b/drivers/clk/qcom/Kconfig @@ -230,6 +230,15 @@ config MSM_MMCC_8998 Say Y if you want to support multimedia devices such as display, graphics, video encode/decode, camera, etc. +config MSM_GPUCC_8998 + tristate "MSM8998 Graphics Clock Controller" + select MSM_GCC_8998 + select QCOM_GDSC + help + Support for the graphics clock controller on MSM8998 devices. + Say Y if you want to support graphics controller devices and + functionality such as 3D graphics. + config QCS_GCC_404 tristate "QCS404 Global Clock Controller" help diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile index 0ac3c1459313..616b68f91db6 100644 --- a/drivers/clk/qcom/Makefile +++ b/drivers/clk/qcom/Makefile @@ -33,6 +33,7 @@ obj-$(CONFIG_MSM_GCC_8994) += gcc-msm8994.o obj-$(CONFIG_MSM_GCC_8996) += gcc-msm8996.o obj-$(CONFIG_MSM_LCC_8960) += lcc-msm8960.o obj-$(CONFIG_MSM_GCC_8998) += gcc-msm8998.o +obj-$(CONFIG_MSM_GPUCC_8998) += gpucc-msm8998.o obj-$(CONFIG_MSM_MMCC_8960) += mmcc-msm8960.o obj-$(CONFIG_MSM_MMCC_8974) += mmcc-msm8974.o obj-$(CONFIG_MSM_MMCC_8996) += mmcc-msm8996.o diff --git a/drivers/clk/qcom/gpucc-msm8998.c b/drivers/clk/qcom/gpucc-msm8998.c new file mode 100644 index 000000000000..f0ccb4963885 --- /dev/null +++ b/drivers/clk/qcom/gpucc-msm8998.c @@ -0,0 +1,346 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2019, Jeffrey Hugo + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#include "common.h" +#include "clk-regmap.h" +#include "clk-regmap-divider.h" +#include "clk-alpha-pll.h" +#include "clk-rcg.h" +#include "clk-branch.h" +#include "reset.h" +#include "gdsc.h" + +enum { + P_XO, + P_GPLL0, + P_GPUPLL0_OUT_EVEN, +}; + +/* Instead of going directly to the block, XO is routed through this branch */ +static struct clk_branch gpucc_cxo_clk = { + .halt_reg = 0x1020, + .clkr = { + .enable_reg = 0x1020, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpucc_cxo_clk", + .parent_data = &(const struct clk_parent_data){ + .fw_name = "xo", + .name = "xo" + }, + .num_parents = 1, + .ops = &clk_branch2_ops, + .flags = CLK_IS_CRITICAL, + }, + }, +}; + +static const struct clk_div_table post_div_table_fabia_even[] = { + { 0x0, 1 }, + { 0x1, 2 }, + { 0x3, 4 }, + { 0x7, 8 }, + { } +}; + +static struct clk_alpha_pll gpupll0 = { + .offset = 0x0, + .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_FABIA], + .clkr.hw.init = &(struct clk_init_data){ + .name = "gpupll0", + .parent_hws = (const struct clk_hw *[]){ &gpucc_cxo_clk.clkr.hw }, + .num_parents = 1, + .ops = &clk_alpha_pll_fixed_fabia_ops, + }, +}; + +static struct clk_alpha_pll_postdiv gpupll0_out_even = { + .offset = 0x0, + .post_div_shift = 8, + .post_div_table = post_div_table_fabia_even, + .num_post_div = ARRAY_SIZE(post_div_table_fabia_even), + .width = 4, + .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_FABIA], + .clkr.hw.init = &(struct clk_init_data){ + .name = "gpupll0_out_even", + .parent_hws = (const struct clk_hw *[]){ &gpupll0.clkr.hw }, + .num_parents = 1, + .ops = &clk_alpha_pll_postdiv_fabia_ops, + }, +}; + +static const struct parent_map gpu_xo_gpll0_map[] = { + { P_XO, 0 }, + { P_GPLL0, 5 }, +}; + +static const struct clk_parent_data gpu_xo_gpll0[] = { + { .hw = &gpucc_cxo_clk.clkr.hw }, + { .fw_name = "gpll0", .name = "gpll0" }, +}; + +static const struct parent_map gpu_xo_gpupll0_map[] = { + { P_XO, 0 }, + { P_GPUPLL0_OUT_EVEN, 1 }, +}; + +static const struct clk_parent_data gpu_xo_gpupll0[] = { + { .hw = &gpucc_cxo_clk.clkr.hw }, + { .hw = &gpupll0_out_even.clkr.hw }, +}; + +static const struct freq_tbl ftbl_rbcpr_clk_src[] = { + F(19200000, P_XO, 1, 0, 0), + F(50000000, P_GPLL0, 12, 0, 0), + { } +}; + +static struct clk_rcg2 rbcpr_clk_src = { + .cmd_rcgr = 0x1030, + .hid_width = 5, + .parent_map = gpu_xo_gpll0_map, + .freq_tbl = ftbl_rbcpr_clk_src, + .clkr.hw.init = &(struct clk_init_data){ + .name = "rbcpr_clk_src", + .parent_data = gpu_xo_gpll0, + .num_parents = 2, + .ops = &clk_rcg2_ops, + }, +}; + +static const struct freq_tbl ftbl_gfx3d_clk_src[] = { + F(180000000, P_GPUPLL0_OUT_EVEN, 2, 0, 0), + F(257000000, P_GPUPLL0_OUT_EVEN, 2, 0, 0), + F(342000000, P_GPUPLL0_OUT_EVEN, 2, 0, 0), + F(414000000, P_GPUPLL0_OUT_EVEN, 2, 0, 0), + F(515000000, P_GPUPLL0_OUT_EVEN, 2, 0, 0), + F(596000000, P_GPUPLL0_OUT_EVEN, 2, 0, 0), + F(670000000, P_GPUPLL0_OUT_EVEN, 2, 0, 0), + F(710000000, P_GPUPLL0_OUT_EVEN, 2, 0, 0), + { } +}; + +static struct clk_rcg2 gfx3d_clk_src = { + .cmd_rcgr = 0x1070, + .hid_width = 5, + .parent_map = gpu_xo_gpupll0_map, + .freq_tbl = ftbl_gfx3d_clk_src, + .clkr.hw.init = &(struct clk_init_data){ + .name = "gfx3d_clk_src", + .parent_data = gpu_xo_gpupll0, + .num_parents = 2, + .ops = &clk_rcg2_ops, + .flags = CLK_OPS_PARENT_ENABLE, + }, +}; + +static const struct freq_tbl ftbl_rbbmtimer_clk_src[] = { + F(19200000, P_XO, 1, 0, 0), + { } +}; + +static struct clk_rcg2 rbbmtimer_clk_src = { + .cmd_rcgr = 0x10b0, + .hid_width = 5, + .parent_map = gpu_xo_gpll0_map, + .freq_tbl = ftbl_rbbmtimer_clk_src, + .clkr.hw.init = &(struct clk_init_data){ + .name = "rbbmtimer_clk_src", + .parent_data = gpu_xo_gpll0, + .num_parents = 2, + .ops = &clk_rcg2_ops, + }, +}; + +static const struct freq_tbl ftbl_gfx3d_isense_clk_src[] = { + F(19200000, P_XO, 1, 0, 0), + F(40000000, P_GPLL0, 15, 0, 0), + F(200000000, P_GPLL0, 3, 0, 0), + F(300000000, P_GPLL0, 2, 0, 0), + { } +}; + +static struct clk_rcg2 gfx3d_isense_clk_src = { + .cmd_rcgr = 0x1100, + .hid_width = 5, + .parent_map = gpu_xo_gpll0_map, + .freq_tbl = ftbl_gfx3d_isense_clk_src, + .clkr.hw.init = &(struct clk_init_data){ + .name = "gfx3d_isense_clk_src", + .parent_data = gpu_xo_gpll0, + .num_parents = 2, + .ops = &clk_rcg2_ops, + }, +}; + +static struct clk_branch rbcpr_clk = { + .halt_reg = 0x1054, + .clkr = { + .enable_reg = 0x1054, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "rbcpr_clk", + .parent_hws = (const struct clk_hw *[]){ &rbcpr_clk_src.clkr.hw }, + .num_parents = 1, + .ops = &clk_branch2_ops, + .flags = CLK_SET_RATE_PARENT, + }, + }, +}; + +static struct clk_branch gfx3d_clk = { + .halt_reg = 0x1098, + .clkr = { + .enable_reg = 0x1098, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gfx3d_clk", + .parent_hws = (const struct clk_hw *[]){ &gfx3d_clk_src.clkr.hw }, + .num_parents = 1, + .ops = &clk_branch2_ops, + .flags = CLK_SET_RATE_PARENT, + }, + }, +}; + +static struct clk_branch rbbmtimer_clk = { + .halt_reg = 0x10d0, + .clkr = { + .enable_reg = 0x10d0, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "rbbmtimer_clk", + .parent_hws = (const struct clk_hw *[]){ &rbbmtimer_clk_src.clkr.hw }, + .num_parents = 1, + .ops = &clk_branch2_ops, + .flags = CLK_SET_RATE_PARENT, + }, + }, +}; + +static struct clk_branch gfx3d_isense_clk = { + .halt_reg = 0x1124, + .clkr = { + .enable_reg = 0x1124, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gfx3d_isense_clk", + .parent_hws = (const struct clk_hw *[]){ &gfx3d_isense_clk_src.clkr.hw }, + .num_parents = 1, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct gdsc gpu_cx_gdsc = { + .gdscr = 0x1004, + .pd = { + .name = "gpu_cx", + }, + .pwrsts = PWRSTS_OFF_ON, +}; + +static struct gdsc gpu_gx_gdsc = { + .gdscr = 0x1094, + .clamp_io_ctrl = 0x130, + .pd = { + .name = "gpu_gx", + }, + .parent = &gpu_cx_gdsc.pd, + .pwrsts = PWRSTS_OFF_ON, + .flags = CLAMP_IO | AON_RESET, +}; + +static struct clk_regmap *gpucc_msm8998_clocks[] = { + [GPUPLL0] = &gpupll0.clkr, + [GPUPLL0_OUT_EVEN] = &gpupll0_out_even.clkr, + [RBCPR_CLK_SRC] = &rbcpr_clk_src.clkr, + [GFX3D_CLK_SRC] = &gfx3d_clk_src.clkr, + [RBBMTIMER_CLK_SRC] = &rbbmtimer_clk_src.clkr, + [GFX3D_ISENSE_CLK_SRC] = &gfx3d_isense_clk_src.clkr, + [RBCPR_CLK] = &rbcpr_clk.clkr, + [GFX3D_CLK] = &gfx3d_clk.clkr, + [RBBMTIMER_CLK] = &rbbmtimer_clk.clkr, + [GFX3D_ISENSE_CLK] = &gfx3d_isense_clk.clkr, + [GPUCC_CXO_CLK] = &gpucc_cxo_clk.clkr, +}; + +static struct gdsc *gpucc_msm8998_gdscs[] = { + [GPU_CX_GDSC] = &gpu_cx_gdsc, + [GPU_GX_GDSC] = &gpu_gx_gdsc, +}; + +static const struct qcom_reset_map gpucc_msm8998_resets[] = { + [GPU_CX_BCR] = { 0x1000 }, + [RBCPR_BCR] = { 0x1050 }, + [GPU_GX_BCR] = { 0x1090 }, + [GPU_ISENSE_BCR] = { 0x1120 }, +}; + +static const struct regmap_config gpucc_msm8998_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .max_register = 0x9000, + .fast_io = true, +}; + +static const struct qcom_cc_desc gpucc_msm8998_desc = { + .config = &gpucc_msm8998_regmap_config, + .clks = gpucc_msm8998_clocks, + .num_clks = ARRAY_SIZE(gpucc_msm8998_clocks), + .resets = gpucc_msm8998_resets, + .num_resets = ARRAY_SIZE(gpucc_msm8998_resets), + .gdscs = gpucc_msm8998_gdscs, + .num_gdscs = ARRAY_SIZE(gpucc_msm8998_gdscs), +}; + +static const struct of_device_id gpucc_msm8998_match_table[] = { + { .compatible = "qcom,gpucc-msm8998" }, + { } +}; +MODULE_DEVICE_TABLE(of, gpucc_msm8998_match_table); + +static int gpucc_msm8998_probe(struct platform_device *pdev) +{ + struct regmap *regmap; + + regmap = qcom_cc_map(pdev, &gpucc_msm8998_desc); + if (IS_ERR(regmap)) + return PTR_ERR(regmap); + + /* force periph logic on to avoid perf counter corruption */ + regmap_write_bits(regmap, gfx3d_clk.clkr.enable_reg, BIT(13), BIT(13)); + /* tweak droop detector (GPUCC_GPU_DD_WRAP_CTRL) to reduce leakage */ + regmap_write_bits(regmap, gfx3d_clk.clkr.enable_reg, BIT(0), BIT(0)); + + return qcom_cc_really_probe(pdev, &gpucc_msm8998_desc, regmap); +} + +static struct platform_driver gpucc_msm8998_driver = { + .probe = gpucc_msm8998_probe, + .driver = { + .name = "gpucc-msm8998", + .of_match_table = gpucc_msm8998_match_table, + }, +}; +module_platform_driver(gpucc_msm8998_driver); + +MODULE_DESCRIPTION("QCOM GPUCC MSM8998 Driver"); +MODULE_LICENSE("GPL v2"); From patchwork Wed Oct 2 01:17:02 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeffrey Hugo X-Patchwork-Id: 11170113 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 83E3016B1 for ; 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[199.106.103.254]) by smtp.gmail.com with ESMTPSA id a13sm20414018pfg.10.2019.10.01.18.17.05 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 01 Oct 2019 18:17:06 -0700 (PDT) From: Jeffrey Hugo To: bjorn.andersson@linaro.org Cc: agross@kernel.org, mturquette@baylibre.com, sboyd@kernel.org, marc.w.gonzalez@free.fr, linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, Jeffrey Hugo Subject: [PATCH v4 2/2] arm64: dts: qcom: msm8998: Add gpucc node Date: Tue, 1 Oct 2019 18:17:02 -0700 Message-Id: <20191002011702.36678-1-jeffrey.l.hugo@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191002011555.36571-1-jeffrey.l.hugo@gmail.com> References: <20191002011555.36571-1-jeffrey.l.hugo@gmail.com> Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org Add MSM8998 GPU Clock Controller DT node. Signed-off-by: Jeffrey Hugo --- arch/arm64/boot/dts/qcom/msm8998.dtsi | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/msm8998.dtsi b/arch/arm64/boot/dts/qcom/msm8998.dtsi index 5a9efd749fa6..896f37c936ee 100644 --- a/arch/arm64/boot/dts/qcom/msm8998.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8998.dtsi @@ -3,6 +3,7 @@ #include #include +#include #include #include #include @@ -951,6 +952,19 @@ #interrupt-cells = <0x2>; }; + gpucc: clock-controller@5065000 { + compatible = "qcom,gpucc-msm8998"; + #clock-cells = <1>; + #reset-cells = <1>; + #power-domain-cells = <1>; + reg = <0x05065000 0x9000>; + + clocks = <&rpmcc RPM_SMD_XO_CLK_SRC>, + <&gcc GPLL0_OUT_MAIN>; + clock-names = "xo", + "gpll0"; + }; + spmi_bus: spmi@800f000 { compatible = "qcom,spmi-pmic-arb"; reg = <0x0800f000 0x1000>,