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bh=Y55L7/CceG6NOhy3GLSG8p+tRezhzHyHzb8eKE0oz0k=; t=1708447985; x=1708537985; b=USMdI9csztYy+xuCRBtKYYGF5h2k9+jMo97p+htXDBnolKPTARCKy8Y2qWgNaeHsthRH69Frr08 CeS+2erG/Gzqc9F81PVHXMMGd6u3lFyqCeMp6a23kzcyovHd20ScFPbUqmJ2UmHOtMQCLZcdwYk6G Cl3JRh3ODm6CiJJ8414=; Received: by smtp54.i.mail.ru with esmtpa (envelope-from ) id 1rcTMb-0000000GhgU-3kho; Tue, 20 Feb 2024 19:53:02 +0300 From: Danila Tikhonov To: andersson@kernel.org, konrad.dybcio@linaro.org, mturquette@baylibre.com, sboyd@kernel.org, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, david@mainlining.org, adrian@travitia.xyz Cc: linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Danila Tikhonov Subject: [PATCH 8/8] clk: qcom: Add Video Clock Controller driver for SM7150 Date: Tue, 20 Feb 2024 19:52:40 +0300 Message-ID: <20240220165240.154716-9-danila@jiaxyga.com> X-Mailer: git-send-email 2.43.2 In-Reply-To: <20240220165240.154716-1-danila@jiaxyga.com> References: <20240220165240.154716-1-danila@jiaxyga.com> Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Authentication-Results: smtp54.i.mail.ru; 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Signed-off-by: Danila Tikhonov --- drivers/clk/qcom/Kconfig | 10 + drivers/clk/qcom/Makefile | 1 + drivers/clk/qcom/videocc-sm7150.c | 350 ++++++++++++++++++++++++++++++ 3 files changed, 361 insertions(+) create mode 100644 drivers/clk/qcom/videocc-sm7150.c diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig index 62bcd735d1d1..9369f09eb55d 100644 --- a/drivers/clk/qcom/Kconfig +++ b/drivers/clk/qcom/Kconfig @@ -1135,6 +1135,16 @@ config SM_TCSRCC_8650 Support for the TCSR clock controller on SM8650 devices. Say Y if you want to use peripheral devices such as SD/UFS. +config SM_VIDEOCC_7150 + tristate "SM7150 Video Clock Controller" + depends on ARM64 || COMPILE_TEST + select SM_GCC_7150 + select QCOM_GDSC + help + Support for the video clock controller on SM7150 devices. + Say Y if you want to support video devices and functionality such as + video encode and decode. + config SM_VIDEOCC_8150 tristate "SM8150 Video Clock Controller" depends on ARM64 || COMPILE_TEST diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile index 9c83abef9cac..b7de8600dc3d 100644 --- a/drivers/clk/qcom/Makefile +++ b/drivers/clk/qcom/Makefile @@ -143,6 +143,7 @@ obj-$(CONFIG_SM_GPUCC_8550) += gpucc-sm8550.o obj-$(CONFIG_SM_GPUCC_8650) += gpucc-sm8650.o obj-$(CONFIG_SM_TCSRCC_8550) += tcsrcc-sm8550.o obj-$(CONFIG_SM_TCSRCC_8650) += tcsrcc-sm8650.o +obj-$(CONFIG_SM_VIDEOCC_7150) += videocc-sm7150.o obj-$(CONFIG_SM_VIDEOCC_8150) += videocc-sm8150.o obj-$(CONFIG_SM_VIDEOCC_8250) += videocc-sm8250.o obj-$(CONFIG_SM_VIDEOCC_8350) += videocc-sm8350.o diff --git a/drivers/clk/qcom/videocc-sm7150.c b/drivers/clk/qcom/videocc-sm7150.c new file mode 100644 index 000000000000..88093eafec55 --- /dev/null +++ b/drivers/clk/qcom/videocc-sm7150.c @@ -0,0 +1,350 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2018, The Linux Foundation. All rights reserved. + * Copyright (c) 2024, Danila Tikhonov + */ + +#include +#include +#include +#include +#include + +#include + +#include "common.h" +#include "clk-alpha-pll.h" +#include "clk-branch.h" +#include "clk-rcg.h" +#include "clk-regmap.h" +#include "clk-pll.h" +#include "gdsc.h" + +enum { + DT_BI_TCXO, + DT_BI_TCXO_AO, +}; + +enum { + P_BI_TCXO, + P_VIDEO_PLL0_OUT_EVEN, + P_VIDEO_PLL0_OUT_MAIN, + P_VIDEO_PLL0_OUT_ODD, +}; + +static const struct pll_vco fabia_vco[] = { + { 249600000, 2000000000, 0 }, + { 125000000, 1000000000, 1 }, +}; + +static struct alpha_pll_config video_pll0_config = { + .l = 0x19, + .alpha = 0x0, + .config_ctl_val = 0x20485699, + .config_ctl_hi_val = 0x00002067, + .user_ctl_val = 0x00000001, + .user_ctl_hi_val = 0x00004805, + .test_ctl_hi_val = 0x40000000, +}; + +static struct clk_alpha_pll video_pll0 = { + .offset = 0x42c, + .vco_table = fabia_vco, + .num_vco = ARRAY_SIZE(fabia_vco), + .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_FABIA], + .clkr = { + .hw.init = &(const struct clk_init_data) { + .name = "video_pll0", + .parent_data = &(const struct clk_parent_data) { + .index = DT_BI_TCXO, + }, + .num_parents = 1, + .ops = &clk_alpha_pll_fabia_ops, + }, + }, +}; + +static const struct parent_map video_cc_parent_map_0[] = { + { P_BI_TCXO, 0 }, + { P_VIDEO_PLL0_OUT_MAIN, 1 }, + { P_VIDEO_PLL0_OUT_EVEN, 2 }, + { P_VIDEO_PLL0_OUT_ODD, 3 }, +}; + +static const struct clk_parent_data video_cc_parent_data_0[] = { + { .index = DT_BI_TCXO }, + { .hw = &video_pll0.clkr.hw }, + { .hw = &video_pll0.clkr.hw }, + { .hw = &video_pll0.clkr.hw }, +}; + +static const struct parent_map video_cc_parent_map_1[] = { + { P_BI_TCXO, 0 }, +}; + +static const struct clk_parent_data video_cc_parent_data_1[] = { + { .index = DT_BI_TCXO_AO }, +}; + +static const struct freq_tbl ftbl_video_cc_iris_clk_src[] = { + F(240000000, P_VIDEO_PLL0_OUT_MAIN, 2, 0, 0), + F(338000000, P_VIDEO_PLL0_OUT_MAIN, 2, 0, 0), + F(365000000, P_VIDEO_PLL0_OUT_MAIN, 2, 0, 0), + F(444000000, P_VIDEO_PLL0_OUT_MAIN, 2, 0, 0), + F(533000000, P_VIDEO_PLL0_OUT_MAIN, 2, 0, 0), + { } +}; + +static struct clk_rcg2 video_cc_iris_clk_src = { + .cmd_rcgr = 0x7f0, + .mnd_width = 0, + .hid_width = 5, + .parent_map = video_cc_parent_map_0, + .freq_tbl = ftbl_video_cc_iris_clk_src, + .clkr.hw.init = &(const struct clk_init_data) { + .name = "video_cc_iris_clk_src", + .parent_data = video_cc_parent_data_0, + .num_parents = ARRAY_SIZE(video_cc_parent_data_0), + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_rcg2_shared_ops, + }, +}; + +static const struct freq_tbl ftbl_video_cc_xo_clk_src[] = { + F(19200000, P_BI_TCXO, 1, 0, 0), + { } +}; + +static struct clk_rcg2 video_cc_xo_clk_src = { + .cmd_rcgr = 0xa98, + .mnd_width = 0, + .hid_width = 5, + .parent_map = video_cc_parent_map_1, + .freq_tbl = ftbl_video_cc_xo_clk_src, + .clkr.hw.init = &(const struct clk_init_data) { + .name = "video_cc_xo_clk_src", + .parent_data = video_cc_parent_data_1, + .num_parents = ARRAY_SIZE(video_cc_parent_data_1), + .ops = &clk_rcg2_ops, + }, +}; + +static struct clk_branch video_cc_iris_ahb_clk = { + .halt_reg = 0x8f4, + .halt_check = BRANCH_VOTED, + .clkr = { + .enable_reg = 0x8f4, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "video_cc_iris_ahb_clk", + .parent_data = &(const struct clk_parent_data) { + .hw = &video_cc_iris_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch video_cc_mvs0_axi_clk = { + .halt_reg = 0x9ec, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x9ec, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "video_cc_mvs0_axi_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch video_cc_mvs0_core_clk = { + .halt_reg = 0x890, + .halt_check = BRANCH_VOTED, + .clkr = { + .enable_reg = 0x890, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "video_cc_mvs0_core_clk", + .parent_data = &(const struct clk_parent_data) { + .hw = &video_cc_iris_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch video_cc_mvs1_axi_clk = { + .halt_reg = 0xa0c, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0xa0c, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "video_cc_mvs1_axi_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch video_cc_mvs1_core_clk = { + .halt_reg = 0x8d0, + .halt_check = BRANCH_VOTED, + .clkr = { + .enable_reg = 0x8d0, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "video_cc_mvs1_core_clk", + .parent_data = &(const struct clk_parent_data) { + .hw = &video_cc_iris_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch video_cc_mvsc_core_clk = { + .halt_reg = 0x850, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x850, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "video_cc_mvsc_core_clk", + .parent_data = &(const struct clk_parent_data) { + .hw = &video_cc_iris_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch video_cc_mvsc_ctl_axi_clk = { + .halt_reg = 0x9cc, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x9cc, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "video_cc_mvsc_ctl_axi_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch video_cc_venus_ahb_clk = { + .halt_reg = 0xa6c, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0xa6c, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "video_cc_venus_ahb_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct gdsc venus_gdsc = { + .gdscr = 0x814, + .pd = { + .name = "venus_gdsc", + }, + .pwrsts = PWRSTS_OFF_ON, +}; + +static struct gdsc vcodec0_gdsc = { + .gdscr = 0x874, + .pd = { + .name = "vcodec0_gdsc", + }, + .flags = HW_CTRL, + .pwrsts = PWRSTS_OFF_ON, +}; + +static struct gdsc vcodec1_gdsc = { + .gdscr = 0x8b4, + .pd = { + .name = "vcodec1_gdsc", + }, + .flags = HW_CTRL, + .pwrsts = PWRSTS_OFF_ON, +}; + +static struct clk_regmap *video_cc_sm7150_clocks[] = { + [VIDEO_PLL0] = &video_pll0.clkr, + [VIDEO_CC_IRIS_AHB_CLK] = &video_cc_iris_ahb_clk.clkr, + [VIDEO_CC_IRIS_CLK_SRC] = &video_cc_iris_clk_src.clkr, + [VIDEO_CC_MVS0_AXI_CLK] = &video_cc_mvs0_axi_clk.clkr, + [VIDEO_CC_MVS0_CORE_CLK] = &video_cc_mvs0_core_clk.clkr, + [VIDEO_CC_MVS1_AXI_CLK] = &video_cc_mvs1_axi_clk.clkr, + [VIDEO_CC_MVS1_CORE_CLK] = &video_cc_mvs1_core_clk.clkr, + [VIDEO_CC_MVSC_CORE_CLK] = &video_cc_mvsc_core_clk.clkr, + [VIDEO_CC_MVSC_CTL_AXI_CLK] = &video_cc_mvsc_ctl_axi_clk.clkr, + [VIDEO_CC_VENUS_AHB_CLK] = &video_cc_venus_ahb_clk.clkr, + [VIDEO_CC_XO_CLK_SRC] = &video_cc_xo_clk_src.clkr, +}; + +static struct gdsc *video_cc_sm7150_gdscs[] = { + [VENUS_GDSC] = &venus_gdsc, + [VCODEC0_GDSC] = &vcodec0_gdsc, + [VCODEC1_GDSC] = &vcodec1_gdsc, +}; + +static const struct regmap_config video_cc_sm7150_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .max_register = 0xb94, + .fast_io = true, +}; + +static const struct qcom_cc_desc video_cc_sm7150_desc = { + .config = &video_cc_sm7150_regmap_config, + .clks = video_cc_sm7150_clocks, + .num_clks = ARRAY_SIZE(video_cc_sm7150_clocks), + .gdscs = video_cc_sm7150_gdscs, + .num_gdscs = ARRAY_SIZE(video_cc_sm7150_gdscs), +}; + +static const struct of_device_id video_cc_sm7150_match_table[] = { + { .compatible = "qcom,sm7150-videocc" }, + { } +}; +MODULE_DEVICE_TABLE(of, video_cc_sm7150_match_table); + +static int video_cc_sm7150_probe(struct platform_device *pdev) +{ + struct regmap *regmap; + + regmap = qcom_cc_map(pdev, &video_cc_sm7150_desc); + if (IS_ERR(regmap)) + return PTR_ERR(regmap); + + clk_fabia_pll_configure(&video_pll0, regmap, &video_pll0_config); + + /* Keep some clocks always-on */ + qcom_branch_set_clk_en(regmap, 0x984); /* VIDEO_CC_XO_CLK */ + + return qcom_cc_really_probe(pdev, &video_cc_sm7150_desc, regmap); +} + +static struct platform_driver video_cc_sm7150_driver = { + .probe = video_cc_sm7150_probe, + .driver = { + .name = "video_cc-sm7150", + .of_match_table = video_cc_sm7150_match_table, + }, +}; +module_platform_driver(video_cc_sm7150_driver); + +MODULE_DESCRIPTION("Qualcomm SM7150 Video Clock Controller"); +MODULE_LICENSE("GPL");