clk: qcom: Add the video clock driver for KONA (bb202c6e) · Commits · e / devices / android_kernel_fairphone_FP4

drivers/clk/qcom/Kconfig

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Original line number	Diff line number	Diff line
		@@ -293,3 +293,12 @@ config MSM_GCC_KONA
		KONA devices.
		Say Y if you want to use peripheral devices such as UART, SPI, I2C,
		USB, UFS, SD/eMMC, PCIe, etc.

		config MSM_VIDEOCC_KONA
		tristate "KONA Video Clock Controller"
		depends on COMMON_CLK_QCOM
		help
		Support for the video clock controller on Qualcomm Technologies, Inc.
		KONA devices.
		Say Y if you want to support video devices and functionality such as
		video encode/decode.

drivers/clk/qcom/Makefile

+1 −0

Original line number	Diff line number	Diff line
		@@ -38,6 +38,7 @@ obj-$(CONFIG_MSM_GCC_KONA) += gcc-kona.o
		obj-$(CONFIG_MSM_MMCC_8960) += mmcc-msm8960.o
		obj-$(CONFIG_MSM_MMCC_8974) += mmcc-msm8974.o
		obj-$(CONFIG_MSM_MMCC_8996) += mmcc-msm8996.o
		obj-$(CONFIG_MSM_VIDEOCC_KONA) += videocc-kona.o
		obj-$(CONFIG_QCOM_A53PLL) += a53-pll.o
		obj-$(CONFIG_QCOM_CLK_APCS_MSM8916) += apcs-msm8916.o
		obj-$(CONFIG_QCOM_CLK_RPM) += clk-rpm.o

drivers/clk/qcom/videocc-kona.c

0 → 100644

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Original line number	Diff line number	Diff line
		// SPDX-License-Identifier: GPL-2.0
		/*
		* Copyright (c) 2018, The Linux Foundation. All rights reserved.
		*/

		#define pr_fmt(fmt) "clk: %s: " fmt, __func__

		#include <linux/bitops.h>
		#include <linux/clk.h>
		#include <linux/clk-provider.h>
		#include <linux/err.h>
		#include <linux/kernel.h>
		#include <linux/module.h>
		#include <linux/of_device.h>
		#include <linux/of.h>
		#include <linux/platform_device.h>
		#include <linux/regmap.h>
		#include <linux/reset-controller.h>

		#include <dt-bindings/clock/qcom,videocc-kona.h>

		#include "clk-alpha-pll.h"
		#include "clk-branch.h"
		#include "clk-pll.h"
		#include "clk-rcg.h"
		#include "clk-regmap.h"
		#include "common.h"
		#include "reset.h"
		#include "vdd-level.h"

		#define F(f, s, h, m, n) { (f), (s), (2 * (h) - 1), (m), (n) }

		static DEFINE_VDD_REGULATORS(vdd_mm, VDD_NUM, 1, vdd_corner);
		static DEFINE_VDD_REGULATORS(vdd_mx, VDD_NUM, 1, vdd_corner);

		enum {
		P_BI_TCXO,
		P_CHIP_SLEEP_CLK,
		P_CORE_BI_PLL_TEST_SE,
		P_VIDEO_PLL0_OUT_MAIN,
		P_VIDEO_PLL1_OUT_MAIN,
		};

		static const struct parent_map video_cc_parent_map_0[] = {
		{ P_BI_TCXO, 0 },
		{ P_CORE_BI_PLL_TEST_SE, 7 },
		};

		static const char * const video_cc_parent_names_0_ao[] = {
		"bi_tcxo_ao",
		"core_bi_pll_test_se",
		};

		static const struct parent_map video_cc_parent_map_1[] = {
		{ P_BI_TCXO, 0 },
		{ P_VIDEO_PLL0_OUT_MAIN, 1 },
		{ P_CORE_BI_PLL_TEST_SE, 7 },
		};

		static const char * const video_cc_parent_names_1[] = {
		"bi_tcxo",
		"video_pll0",
		"core_bi_pll_test_se",
		};

		static const struct parent_map video_cc_parent_map_2[] = {
		{ P_BI_TCXO, 0 },
		{ P_VIDEO_PLL1_OUT_MAIN, 1 },
		{ P_CORE_BI_PLL_TEST_SE, 7 },
		};

		static const char * const video_cc_parent_names_2[] = {
		"bi_tcxo",
		"video_pll1",
		"core_bi_pll_test_se",
		};

		static const struct parent_map video_cc_parent_map_3[] = {
		{ P_CHIP_SLEEP_CLK, 0 },
		{ P_CORE_BI_PLL_TEST_SE, 7 },
		};

		static const char * const video_cc_parent_names_3[] = {
		"chip_sleep_clk",
		"core_bi_pll_test_se",
		};

		static struct pll_vco lucid_vco[] = {
		{ 249600000, 2000000000, 0 },
		};

		static const struct alpha_pll_config video_pll0_config = {
		.l = 0x14,
		.cal_l = 0x44,
		.alpha = 0xD555,
		.config_ctl_val = 0x20485699,
		.config_ctl_hi_val = 0x00002261,
		.config_ctl_hi1_val = 0x029A699C,
		.user_ctl_val = 0x00000000,
		.user_ctl_hi_val = 0x00000805,
		.user_ctl_hi1_val = 0x00000000,
		};

		static struct clk_alpha_pll video_pll0 = {
		.offset = 0x42c,
		.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 = "video_pll0",
		.parent_names = (const char *[]){ "bi_tcxo" },
		.num_parents = 1,
		.ops = &clk_alpha_pll_lucid_ops,
		.vdd_class = &vdd_mx,
		.num_rate_max = VDD_NUM,
		.rate_max = (unsigned long[VDD_NUM]) {
		[VDD_MIN] = 615000000,
		[VDD_LOW] = 1066000000,
		[VDD_LOW_L1] = 1600000000,
		[VDD_NOMINAL] = 2000000000},
		},
		},
		};

		static const struct alpha_pll_config video_pll1_config = {
		.l = 0x14,
		.cal_l = 0x44,
		.alpha = 0xD555,
		.config_ctl_val = 0x20485699,
		.config_ctl_hi_val = 0x00002261,
		.config_ctl_hi1_val = 0x029A699C,
		.user_ctl_val = 0x00000000,
		.user_ctl_hi_val = 0x00000805,
		.user_ctl_hi1_val = 0x00000000,
		};

		static struct clk_alpha_pll video_pll1 = {
		.offset = 0x7d0,
		.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 = "video_pll1",
		.parent_names = (const char *[]){ "bi_tcxo" },
		.num_parents = 1,
		.ops = &clk_alpha_pll_lucid_ops,
		.vdd_class = &vdd_mx,
		.num_rate_max = VDD_NUM,
		.rate_max = (unsigned long[VDD_NUM]) {
		[VDD_MIN] = 615000000,
		[VDD_LOW] = 1066000000,
		[VDD_LOW_L1] = 1600000000,
		[VDD_NOMINAL] = 2000000000},
		},
		},
		};

		static const struct freq_tbl ftbl_video_cc_ahb_clk_src[] = {
		F(19200000, P_BI_TCXO, 1, 0, 0),
		{ }
		};

		static struct clk_rcg2 video_cc_ahb_clk_src = {
		.cmd_rcgr = 0xbd4,
		.mnd_width = 0,
		.hid_width = 5,
		.parent_map = video_cc_parent_map_0,
		.freq_tbl = ftbl_video_cc_ahb_clk_src,
		.clkr.hw.init = &(struct clk_init_data){
		.name = "video_cc_ahb_clk_src",
		.parent_names = video_cc_parent_names_0_ao,
		.num_parents = 2,
		.flags = CLK_SET_RATE_PARENT,
		.ops = &clk_rcg2_ops,
		},
		};

		static const struct freq_tbl ftbl_video_cc_mvs0_clk_src[] = {
		F(400000000, P_VIDEO_PLL0_OUT_MAIN, 1, 0, 0),
		F(720000000, P_VIDEO_PLL0_OUT_MAIN, 1, 0, 0),
		F(1014000000, P_VIDEO_PLL0_OUT_MAIN, 1, 0, 0),
		F(1098000000, P_VIDEO_PLL0_OUT_MAIN, 1, 0, 0),
		F(1332000000, P_VIDEO_PLL0_OUT_MAIN, 1, 0, 0),
		F(1599000000, P_VIDEO_PLL0_OUT_MAIN, 1, 0, 0),
		{ }
		};

		static struct clk_rcg2 video_cc_mvs0_clk_src = {
		.cmd_rcgr = 0xb94,
		.mnd_width = 0,
		.hid_width = 5,
		.parent_map = video_cc_parent_map_1,
		.freq_tbl = ftbl_video_cc_mvs0_clk_src,
		.enable_safe_config = true,
		.clkr.hw.init = &(struct clk_init_data){
		.name = "video_cc_mvs0_clk_src",
		.parent_names = video_cc_parent_names_1,
		.num_parents = 3,
		.flags = CLK_SET_RATE_PARENT,
		.ops = &clk_rcg2_ops,
		.vdd_class = &vdd_mm,
		.num_rate_max = VDD_NUM,
		.rate_max = (unsigned long[VDD_NUM]) {
		[VDD_MIN] = 400000000,
		[VDD_LOWER] = 720000000,
		[VDD_LOW] = 1014000000,
		[VDD_LOW_L1] = 1098000000,
		[VDD_NOMINAL] = 1332000000,
		[VDD_HIGH] = 1599000000},
		},
		};

		static const struct freq_tbl ftbl_video_cc_mvs1_clk_src[] = {
		F(400000000, P_VIDEO_PLL1_OUT_MAIN, 1, 0, 0),
		F(806000000, P_VIDEO_PLL1_OUT_MAIN, 1, 0, 0),
		F(1040000000, P_VIDEO_PLL1_OUT_MAIN, 1, 0, 0),
		F(1098000000, P_VIDEO_PLL1_OUT_MAIN, 1, 0, 0),
		F(1332000000, P_VIDEO_PLL1_OUT_MAIN, 1, 0, 0),
		F(1599000000, P_VIDEO_PLL1_OUT_MAIN, 1, 0, 0),
		{ }
		};

		static struct clk_rcg2 video_cc_mvs1_clk_src = {
		.cmd_rcgr = 0xbb4,
		.mnd_width = 0,
		.hid_width = 5,
		.parent_map = video_cc_parent_map_2,
		.freq_tbl = ftbl_video_cc_mvs1_clk_src,
		.enable_safe_config = true,
		.clkr.hw.init = &(struct clk_init_data){
		.name = "video_cc_mvs1_clk_src",
		.parent_names = video_cc_parent_names_2,
		.num_parents = 3,
		.flags = CLK_SET_RATE_PARENT,
		.ops = &clk_rcg2_ops,
		.vdd_class = &vdd_mm,
		.num_rate_max = VDD_NUM,
		.rate_max = (unsigned long[VDD_NUM]) {
		[VDD_MIN] = 400000000,
		[VDD_LOWER] = 806000000,
		[VDD_LOW] = 1040000000,
		[VDD_LOW_L1] = 1098000000,
		[VDD_NOMINAL] = 1332000000,
		[VDD_HIGH] = 1599000000},
		},
		};

		static const struct freq_tbl ftbl_video_cc_sleep_clk_src[] = {
		F(32000, P_CHIP_SLEEP_CLK, 1, 0, 0),
		{ }
		};

		static struct clk_rcg2 video_cc_sleep_clk_src = {
		.cmd_rcgr = 0xef0,
		.mnd_width = 0,
		.hid_width = 5,
		.parent_map = video_cc_parent_map_3,
		.freq_tbl = ftbl_video_cc_sleep_clk_src,
		.clkr.hw.init = &(struct clk_init_data){
		.name = "video_cc_sleep_clk_src",
		.parent_names = video_cc_parent_names_3,
		.num_parents = 2,
		.flags = CLK_SET_RATE_PARENT,
		.ops = &clk_rcg2_ops,
		.vdd_class = &vdd_mm,
		.num_rate_max = VDD_NUM,
		.rate_max = (unsigned long[VDD_NUM]) {
		[VDD_MIN] = 32000},
		},
		};

		static struct clk_rcg2 video_cc_xo_clk_src = {
		.cmd_rcgr = 0xecc,
		.mnd_width = 0,
		.hid_width = 5,
		.parent_map = video_cc_parent_map_0,
		.freq_tbl = ftbl_video_cc_ahb_clk_src,
		.clkr.hw.init = &(struct clk_init_data){
		.name = "video_cc_xo_clk_src",
		.parent_names = video_cc_parent_names_0_ao,
		.num_parents = 2,
		.flags = CLK_IS_CRITICAL \| CLK_SET_RATE_PARENT,
		.ops = &clk_rcg2_ops,
		},
		};

		static struct clk_branch video_cc_ahb_clk = {
		.halt_reg = 0xe58,
		.halt_check = BRANCH_HALT,
		.clkr = {
		.enable_reg = 0xe58,
		.enable_mask = BIT(0),
		.hw.init = &(struct clk_init_data){
		.name = "video_cc_ahb_clk",
		.parent_names = (const char *[]){
		"video_cc_ahb_clk_src",
		},
		.num_parents = 1,
		.flags = CLK_IS_CRITICAL \| CLK_SET_RATE_PARENT,
		.ops = &clk_branch2_ops,
		},
		},
		};

		static struct clk_branch video_cc_debug_clk = {
		.halt_reg = 0xebc,
		.halt_check = BRANCH_HALT,
		.clkr = {
		.enable_reg = 0xebc,
		.enable_mask = BIT(0),
		.hw.init = &(struct clk_init_data){
		.name = "video_cc_debug_clk",
		.ops = &clk_branch2_ops,
		},
		},
		};

		static struct clk_branch video_cc_mvs0_clk = {
		.halt_reg = 0xd34,
		.halt_check = BRANCH_HALT_VOTED,
		.clkr = {
		.enable_reg = 0xd34,
		.enable_mask = BIT(0),
		.hw.init = &(struct clk_init_data){
		.name = "video_cc_mvs0_clk",
		.parent_names = (const char *[]){
		"video_cc_mvs0_clk_src",
		},
		.num_parents = 1,
		.flags = CLK_SET_RATE_PARENT,
		.ops = &clk_branch2_ops,
		},
		},
		};

		static struct clk_branch video_cc_mvs0c_clk = {
		.halt_reg = 0xc34,
		.halt_check = BRANCH_HALT,
		.clkr = {
		.enable_reg = 0xc34,
		.enable_mask = BIT(0),
		.hw.init = &(struct clk_init_data){
		.name = "video_cc_mvs0c_clk",
		.parent_names = (const char *[]){
		"video_cc_mvs0_clk_src",
		},
		.num_parents = 1,
		.flags = CLK_SET_RATE_PARENT,
		.ops = &clk_branch2_ops,
		},
		},
		};

		static struct clk_branch video_cc_mvs1_clk = {
		.halt_reg = 0xdb4,
		.halt_check = BRANCH_HALT_VOTED,
		.clkr = {
		.enable_reg = 0xdb4,
		.enable_mask = BIT(0),
		.hw.init = &(struct clk_init_data){
		.name = "video_cc_mvs1_clk",
		.parent_names = (const char *[]){
		"video_cc_mvs1_clk_src",
		},
		.num_parents = 1,
		.flags = CLK_SET_RATE_PARENT,
		.ops = &clk_branch2_ops,
		},
		},
		};

		static struct clk_branch video_cc_mvs1_div2_clk = {
		.halt_reg = 0xdf4,
		.halt_check = BRANCH_HALT_VOTED,
		.clkr = {
		.enable_reg = 0xdf4,
		.enable_mask = BIT(0),
		.hw.init = &(struct clk_init_data){
		.name = "video_cc_mvs1_div2_clk",
		.parent_names = (const char *[]){
		"video_cc_mvs1_clk_src",
		},
		.num_parents = 1,
		.flags = CLK_SET_RATE_PARENT,
		.ops = &clk_branch2_ops,
		},
		},
		};

		static struct clk_branch video_cc_mvs1c_clk = {
		.halt_reg = 0xcd4,
		.halt_check = BRANCH_HALT_VOTED,
		.clkr = {
		.enable_reg = 0xcd4,
		.enable_mask = BIT(0),
		.hw.init = &(struct clk_init_data){
		.name = "video_cc_mvs1c_clk",
		.parent_names = (const char *[]){
		"video_cc_mvs1_clk_src",
		},
		.num_parents = 1,
		.flags = CLK_SET_RATE_PARENT,
		.ops = &clk_branch2_ops,
		},
		},
		};

		static struct clk_branch video_cc_pll_test_clk = {
		.halt_reg = 0xec8,
		.halt_check = BRANCH_HALT,
		.clkr = {
		.enable_reg = 0xec8,
		.enable_mask = BIT(0),
		.hw.init = &(struct clk_init_data){
		.name = "video_cc_pll_test_clk",
		.ops = &clk_branch2_ops,
		},
		},
		};

		static struct clk_branch video_cc_sleep_clk = {
		.halt_reg = 0xf10,
		.halt_check = BRANCH_HALT,
		.clkr = {
		.enable_reg = 0xf10,
		.enable_mask = BIT(0),
		.hw.init = &(struct clk_init_data){
		.name = "video_cc_sleep_clk",
		.parent_names = (const char *[]){
		"video_cc_sleep_clk_src",
		},
		.num_parents = 1,
		.flags = CLK_SET_RATE_PARENT,
		.ops = &clk_branch2_ops,
		},
		},
		};

		static struct clk_branch video_cc_xo_clk = {
		.halt_reg = 0xeec,
		.halt_check = BRANCH_HALT,
		.clkr = {
		.enable_reg = 0xeec,
		.enable_mask = BIT(0),
		.hw.init = &(struct clk_init_data){
		.name = "video_cc_xo_clk",
		.parent_names = (const char *[]){
		"video_cc_xo_clk_src",
		},
		.num_parents = 1,
		.flags = CLK_IS_CRITICAL \| CLK_SET_RATE_PARENT,
		.ops = &clk_branch2_ops,
		},
		},
		};

		static struct clk_regmap *video_cc_kona_clocks[] = {
		[VIDEO_CC_AHB_CLK] = &video_cc_ahb_clk.clkr,
		[VIDEO_CC_AHB_CLK_SRC] = &video_cc_ahb_clk_src.clkr,
		[VIDEO_CC_DEBUG_CLK] = &video_cc_debug_clk.clkr,
		[VIDEO_CC_MVS0_CLK] = &video_cc_mvs0_clk.clkr,
		[VIDEO_CC_MVS0_CLK_SRC] = &video_cc_mvs0_clk_src.clkr,
		[VIDEO_CC_MVS0C_CLK] = &video_cc_mvs0c_clk.clkr,
		[VIDEO_CC_MVS1_CLK] = &video_cc_mvs1_clk.clkr,
		[VIDEO_CC_MVS1_CLK_SRC] = &video_cc_mvs1_clk_src.clkr,
		[VIDEO_CC_MVS1_DIV2_CLK] = &video_cc_mvs1_div2_clk.clkr,
		[VIDEO_CC_MVS1C_CLK] = &video_cc_mvs1c_clk.clkr,
		[VIDEO_CC_PLL_TEST_CLK] = &video_cc_pll_test_clk.clkr,
		[VIDEO_CC_SLEEP_CLK] = &video_cc_sleep_clk.clkr,
		[VIDEO_CC_SLEEP_CLK_SRC] = &video_cc_sleep_clk_src.clkr,
		[VIDEO_CC_XO_CLK] = &video_cc_xo_clk.clkr,
		[VIDEO_CC_XO_CLK_SRC] = &video_cc_xo_clk_src.clkr,
		[VIDEO_PLL0] = &video_pll0.clkr,
		[VIDEO_PLL1] = &video_pll1.clkr,
		};

		static const struct qcom_reset_map video_cc_kona_resets[] = {
		[CVP_VIDEO_CC_INTERFACE_BCR] = { 0xe54 },
		[CVP_VIDEO_CC_MVS0_BCR] = { 0xd14 },
		[CVP_VIDEO_CC_MVS0C_BCR] = { 0xbf4 },
		[CVP_VIDEO_CC_MVS1_BCR] = { 0xd94 },
		[CVP_VIDEO_CC_MVS1C_BCR] = { 0xc94 },
		};

		static const struct regmap_config video_cc_kona_regmap_config = {
		.reg_bits = 32,
		.reg_stride = 4,
		.val_bits = 32,
		.max_register = 0xf4c,
		.fast_io = true,
		};

		static const struct qcom_cc_desc video_cc_kona_desc = {
		.config = &video_cc_kona_regmap_config,
		.clks = video_cc_kona_clocks,
		.num_clks = ARRAY_SIZE(video_cc_kona_clocks),
		.resets = video_cc_kona_resets,
		.num_resets = ARRAY_SIZE(video_cc_kona_resets),
		};

		static const struct of_device_id video_cc_kona_match_table[] = {
		{ .compatible = "qcom,videocc-kona" },
		{ }
		};
		MODULE_DEVICE_TABLE(of, video_cc_kona_match_table);

		static int video_cc_kona_probe(struct platform_device *pdev)
		{
		struct regmap *regmap;
		struct clk *clk;
		int ret;

		regmap = qcom_cc_map(pdev, &video_cc_kona_desc);
		if (IS_ERR(regmap)) {
		pr_err("Failed to map the Video CC registers\n");
		return PTR_ERR(regmap);
		}

		clk = devm_clk_get(&pdev->dev, "cfg_ahb_clk");
		if (IS_ERR(clk)) {
		if (PTR_ERR(clk) != -EPROBE_DEFER)
		dev_err(&pdev->dev, "Unable to get ahb clock handle\n");
		return PTR_ERR(clk);
		}
		devm_clk_put(&pdev->dev, clk);

		vdd_mx.regulator[0] = devm_regulator_get(&pdev->dev, "vdd_mx");
		if (IS_ERR(vdd_mx.regulator[0])) {
		if (PTR_ERR(vdd_mx.regulator[0]) != -EPROBE_DEFER)
		dev_err(&pdev->dev, "Unable to get vdd_mx regulator\n");
		return PTR_ERR(vdd_mx.regulator[0]);
		}

		vdd_mm.regulator[0] = devm_regulator_get(&pdev->dev, "vdd_mm");
		if (IS_ERR(vdd_mm.regulator[0])) {
		if (PTR_ERR(vdd_mm.regulator[0]) != -EPROBE_DEFER)
		dev_err(&pdev->dev, "Unable to get vdd_mm regulator\n");
		return PTR_ERR(vdd_mm.regulator[0]);
		}

		clk_lucid_pll_configure(&video_pll0, regmap, &video_pll0_config);
		clk_lucid_pll_configure(&video_pll1, regmap, &video_pll1_config);

		ret = qcom_cc_really_probe(pdev, &video_cc_kona_desc, regmap);
		if (ret) {
		dev_err(&pdev->dev, "Failed to register Video CC clocks\n");
		return ret;
		}

		dev_info(&pdev->dev, "Registered Video CC clocks\n");

		return ret;
		}

		static struct platform_driver video_cc_kona_driver = {
		.probe = video_cc_kona_probe,
		.driver = {
		.name = "video_cc-kona",
		.of_match_table = video_cc_kona_match_table,
		},
		};

		static int __init video_cc_kona_init(void)
		{
		return platform_driver_register(&video_cc_kona_driver);
		}
		subsys_initcall(video_cc_kona_init);

		static void __exit video_cc_kona_exit(void)
		{
		platform_driver_unregister(&video_cc_kona_driver);
		}
		module_exit(video_cc_kona_exit);

		MODULE_DESCRIPTION("QTI VIDEO_CC KONA Driver");
		MODULE_LICENSE("GPL v2");
		MODULE_ALIAS("platform:video_cc-kona");