drivers/clk/mediatek/clk-mt2701-aud.c - linux - Git at Google

 // SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (c) 2018 MediaTek Inc.
  * Author: Ryder Lee <ryder.lee@mediatek.com>
  */

 #include <linux/clk-provider.h>
 #include <linux/of.h>
 #include <linux/of_address.h>
 #include <linux/of_platform.h>
 #include <linux/platform_device.h>

 #include "clk-mtk.h"
 #include "clk-gate.h"

 #include <dt-bindings/clock/mt2701-clk.h>

 #define GATE_AUDIO0(_id, _name, _parent, _shift)		\
 	GATE_MTK(_id, _name, _parent, &audio0_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr)

 #define GATE_AUDIO1(_id, _name, _parent, _shift)		\
 	GATE_MTK(_id, _name, _parent, &audio1_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr)

 #define GATE_AUDIO2(_id, _name, _parent, _shift)		\
 	GATE_MTK(_id, _name, _parent, &audio2_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr)

 #define GATE_AUDIO3(_id, _name, _parent, _shift)		\
 	GATE_MTK(_id, _name, _parent, &audio3_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr)

 static const struct mtk_gate_regs audio0_cg_regs = {
 	.set_ofs = 0x0,
 	.clr_ofs = 0x0,
 	.sta_ofs = 0x0,
 };

 static const struct mtk_gate_regs audio1_cg_regs = {
 	.set_ofs = 0x10,
 	.clr_ofs = 0x10,
 	.sta_ofs = 0x10,
 };

 static const struct mtk_gate_regs audio2_cg_regs = {
 	.set_ofs = 0x14,
 	.clr_ofs = 0x14,
 	.sta_ofs = 0x14,
 };

 static const struct mtk_gate_regs audio3_cg_regs = {
 	.set_ofs = 0x634,
 	.clr_ofs = 0x634,
 	.sta_ofs = 0x634,
 };

 static const struct mtk_gate audio_clks[] = {
 	GATE_DUMMY(CLK_DUMMY, "aud_dummy"),
 	/* AUDIO0 */
 	GATE_AUDIO0(CLK_AUD_AFE, "audio_afe", "aud_intbus_sel", 2),
 	GATE_DUMMY(CLK_AUD_LRCK_DETECT, "audio_lrck_detect_dummy"),
 	GATE_DUMMY(CLK_AUD_I2S, "audio_i2c_dummy"),
 	GATE_DUMMY(CLK_AUD_APLL_TUNER, "audio_apll_tuner_dummy"),
 	GATE_AUDIO0(CLK_AUD_HDMI, "audio_hdmi", "audpll_sel", 20),
 	GATE_AUDIO0(CLK_AUD_SPDF, "audio_spdf", "audpll_sel", 21),
 	GATE_AUDIO0(CLK_AUD_SPDF2, "audio_spdf2", "audpll_sel", 22),
 	GATE_AUDIO0(CLK_AUD_APLL, "audio_apll", "audpll_sel", 23),
 	GATE_DUMMY(CLK_AUD_TML, "audio_tml_dummy"),
 	GATE_DUMMY(CLK_AUD_AHB_IDLE_EXT, "audio_ahb_idle_ext_dummy"),
 	GATE_DUMMY(CLK_AUD_AHB_IDLE_INT, "audio_ahb_idle_int_dummy"),
 	/* AUDIO1 */
 	GATE_AUDIO1(CLK_AUD_I2SIN1, "audio_i2sin1", "aud_mux1_sel", 0),
 	GATE_AUDIO1(CLK_AUD_I2SIN2, "audio_i2sin2", "aud_mux1_sel", 1),
 	GATE_AUDIO1(CLK_AUD_I2SIN3, "audio_i2sin3", "aud_mux1_sel", 2),
 	GATE_AUDIO1(CLK_AUD_I2SIN4, "audio_i2sin4", "aud_mux1_sel", 3),
 	GATE_AUDIO1(CLK_AUD_I2SIN5, "audio_i2sin5", "aud_mux1_sel", 4),
 	GATE_AUDIO1(CLK_AUD_I2SIN6, "audio_i2sin6", "aud_mux1_sel", 5),
 	GATE_AUDIO1(CLK_AUD_I2SO1, "audio_i2so1", "aud_mux1_sel", 6),
 	GATE_AUDIO1(CLK_AUD_I2SO2, "audio_i2so2", "aud_mux1_sel", 7),
 	GATE_AUDIO1(CLK_AUD_I2SO3, "audio_i2so3", "aud_mux1_sel", 8),
 	GATE_AUDIO1(CLK_AUD_I2SO4, "audio_i2so4", "aud_mux1_sel", 9),
 	GATE_AUDIO1(CLK_AUD_I2SO5, "audio_i2so5", "aud_mux1_sel", 10),
 	GATE_AUDIO1(CLK_AUD_I2SO6, "audio_i2so6", "aud_mux1_sel", 11),
 	GATE_AUDIO1(CLK_AUD_ASRCI1, "audio_asrci1", "asm_h_sel", 12),
 	GATE_AUDIO1(CLK_AUD_ASRCI2, "audio_asrci2", "asm_h_sel", 13),
 	GATE_AUDIO1(CLK_AUD_ASRCO1, "audio_asrco1", "asm_h_sel", 14),
 	GATE_AUDIO1(CLK_AUD_ASRCO2, "audio_asrco2", "asm_h_sel", 15),
 	GATE_DUMMY(CLK_AUD_HDMIRX, "audio_hdmirx_dummy"),
 	GATE_AUDIO1(CLK_AUD_INTDIR, "audio_intdir", "intdir_sel", 20),
 	GATE_AUDIO1(CLK_AUD_A1SYS, "audio_a1sys", "aud_mux1_sel", 21),
 	GATE_AUDIO1(CLK_AUD_A2SYS, "audio_a2sys", "aud_mux2_sel", 22),
 	GATE_AUDIO1(CLK_AUD_AFE_CONN, "audio_afe_conn", "aud_mux1_sel", 23),
 	GATE_DUMMY(CLK_AUD_AFE_PCMIF, "audio_afe_pcmif_dummy"),
 	GATE_AUDIO1(CLK_AUD_AFE_MRGIF, "audio_afe_mrgif", "aud_mux1_sel", 25),
 	/* AUDIO2 */
 	GATE_AUDIO2(CLK_AUD_MMIF_UL1, "audio_ul1", "aud_mux1_sel", 0),
 	GATE_AUDIO2(CLK_AUD_MMIF_UL2, "audio_ul2", "aud_mux1_sel", 1),
 	GATE_AUDIO2(CLK_AUD_MMIF_UL3, "audio_ul3", "aud_mux1_sel", 2),
 	GATE_AUDIO2(CLK_AUD_MMIF_UL4, "audio_ul4", "aud_mux1_sel", 3),
 	GATE_AUDIO2(CLK_AUD_MMIF_UL5, "audio_ul5", "aud_mux1_sel", 4),
 	GATE_AUDIO2(CLK_AUD_MMIF_UL6, "audio_ul6", "aud_mux1_sel", 5),
 	GATE_AUDIO2(CLK_AUD_MMIF_DL1, "audio_dl1", "aud_mux1_sel", 6),
 	GATE_AUDIO2(CLK_AUD_MMIF_DL2, "audio_dl2", "aud_mux1_sel", 7),
 	GATE_AUDIO2(CLK_AUD_MMIF_DL3, "audio_dl3", "aud_mux1_sel", 8),
 	GATE_AUDIO2(CLK_AUD_MMIF_DL4, "audio_dl4", "aud_mux1_sel", 9),
 	GATE_AUDIO2(CLK_AUD_MMIF_DL5, "audio_dl5", "aud_mux1_sel", 10),
 	GATE_AUDIO2(CLK_AUD_MMIF_DL6, "audio_dl6", "aud_mux1_sel", 11),
 	GATE_AUDIO2(CLK_AUD_MMIF_DLMCH, "audio_dlmch", "aud_mux1_sel", 12),
 	GATE_AUDIO2(CLK_AUD_MMIF_ARB1, "audio_arb1", "aud_mux1_sel", 13),
 	GATE_AUDIO2(CLK_AUD_MMIF_AWB1, "audio_awb", "aud_mux1_sel", 14),
 	GATE_AUDIO2(CLK_AUD_MMIF_AWB2, "audio_awb2", "aud_mux1_sel", 15),
 	GATE_AUDIO2(CLK_AUD_MMIF_DAI, "audio_dai", "aud_mux1_sel", 16),
 	/* AUDIO3 */
 	GATE_DUMMY(CLK_AUD_DMIC1, "audio_dmic1_dummy"),
 	GATE_DUMMY(CLK_AUD_DMIC2, "audio_dmic2_dummy"),
 	GATE_AUDIO3(CLK_AUD_ASRCI3, "audio_asrci3", "asm_h_sel", 2),
 	GATE_AUDIO3(CLK_AUD_ASRCI4, "audio_asrci4", "asm_h_sel", 3),
 	GATE_AUDIO3(CLK_AUD_ASRCI5, "audio_asrci5", "asm_h_sel", 4),
 	GATE_AUDIO3(CLK_AUD_ASRCI6, "audio_asrci6", "asm_h_sel", 5),
 	GATE_AUDIO3(CLK_AUD_ASRCO3, "audio_asrco3", "asm_h_sel", 6),
 	GATE_AUDIO3(CLK_AUD_ASRCO4, "audio_asrco4", "asm_h_sel", 7),
 	GATE_AUDIO3(CLK_AUD_ASRCO5, "audio_asrco5", "asm_h_sel", 8),
 	GATE_AUDIO3(CLK_AUD_ASRCO6, "audio_asrco6", "asm_h_sel", 9),
 	GATE_AUDIO3(CLK_AUD_MEM_ASRC1, "audio_mem_asrc1", "asm_h_sel", 10),
 	GATE_AUDIO3(CLK_AUD_MEM_ASRC2, "audio_mem_asrc2", "asm_h_sel", 11),
 	GATE_AUDIO3(CLK_AUD_MEM_ASRC3, "audio_mem_asrc3", "asm_h_sel", 12),
 	GATE_AUDIO3(CLK_AUD_MEM_ASRC4, "audio_mem_asrc4", "asm_h_sel", 13),
 	GATE_AUDIO3(CLK_AUD_MEM_ASRC5, "audio_mem_asrc5", "asm_h_sel", 14),
 };

 static const struct mtk_clk_desc audio_desc = {
 	.clks = audio_clks,
 	.num_clks = ARRAY_SIZE(audio_clks),
 };

 static const struct of_device_id of_match_clk_mt2701_aud[] = {
 	{ .compatible = "mediatek,mt2701-audsys", .data = &audio_desc },
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, of_match_clk_mt2701_aud);

 static int clk_mt2701_aud_probe(struct platform_device *pdev)
 {
 	int r;

 	r = mtk_clk_simple_probe(pdev);
 	if (r) {
 		dev_err(&pdev->dev,
 			"could not register clock provider: %s: %d\n",
 			pdev->name, r);

 		return r;
 	}

 	r = devm_of_platform_populate(&pdev->dev);
 	if (r)
 		goto err_plat_populate;

 	return 0;

 err_plat_populate:
 	mtk_clk_simple_remove(pdev);
 	return r;
 }

 static void clk_mt2701_aud_remove(struct platform_device *pdev)
 {
 	of_platform_depopulate(&pdev->dev);
 	mtk_clk_simple_remove(pdev);
 }

 static struct platform_driver clk_mt2701_aud_drv = {
 	.probe = clk_mt2701_aud_probe,
 	.remove = clk_mt2701_aud_remove,
 	.driver = {
 		.name = "clk-mt2701-aud",
 		.of_match_table = of_match_clk_mt2701_aud,
 	},
 };
 module_platform_driver(clk_mt2701_aud_drv);

 MODULE_DESCRIPTION("MediaTek MT2701 audio clocks driver");
 MODULE_LICENSE("GPL");
	// SPDX-License-Identifier: GPL-2.0
	/*
	* Copyright (c) 2018 MediaTek Inc.
	* Author: Ryder Lee <ryder.lee@mediatek.com>
	*/

	#include <linux/clk-provider.h>
	#include <linux/of.h>
	#include <linux/of_address.h>
	#include <linux/of_platform.h>
	#include <linux/platform_device.h>

	#include "clk-mtk.h"
	#include "clk-gate.h"

	#include <dt-bindings/clock/mt2701-clk.h>

	#define GATE_AUDIO0(_id, _name, _parent, _shift) \
	GATE_MTK(_id, _name, _parent, &audio0_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr)

	#define GATE_AUDIO1(_id, _name, _parent, _shift) \
	GATE_MTK(_id, _name, _parent, &audio1_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr)

	#define GATE_AUDIO2(_id, _name, _parent, _shift) \
	GATE_MTK(_id, _name, _parent, &audio2_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr)

	#define GATE_AUDIO3(_id, _name, _parent, _shift) \
	GATE_MTK(_id, _name, _parent, &audio3_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr)

	static const struct mtk_gate_regs audio0_cg_regs = {
	.set_ofs = 0x0,
	.clr_ofs = 0x0,
	.sta_ofs = 0x0,
	};

	static const struct mtk_gate_regs audio1_cg_regs = {
	.set_ofs = 0x10,
	.clr_ofs = 0x10,
	.sta_ofs = 0x10,
	};

	static const struct mtk_gate_regs audio2_cg_regs = {
	.set_ofs = 0x14,
	.clr_ofs = 0x14,
	.sta_ofs = 0x14,
	};

	static const struct mtk_gate_regs audio3_cg_regs = {
	.set_ofs = 0x634,
	.clr_ofs = 0x634,
	.sta_ofs = 0x634,
	};

	static const struct mtk_gate audio_clks[] = {
	GATE_DUMMY(CLK_DUMMY, "aud_dummy"),
	/* AUDIO0 */
	GATE_AUDIO0(CLK_AUD_AFE, "audio_afe", "aud_intbus_sel", 2),
	GATE_DUMMY(CLK_AUD_LRCK_DETECT, "audio_lrck_detect_dummy"),
	GATE_DUMMY(CLK_AUD_I2S, "audio_i2c_dummy"),
	GATE_DUMMY(CLK_AUD_APLL_TUNER, "audio_apll_tuner_dummy"),
	GATE_AUDIO0(CLK_AUD_HDMI, "audio_hdmi", "audpll_sel", 20),
	GATE_AUDIO0(CLK_AUD_SPDF, "audio_spdf", "audpll_sel", 21),
	GATE_AUDIO0(CLK_AUD_SPDF2, "audio_spdf2", "audpll_sel", 22),
	GATE_AUDIO0(CLK_AUD_APLL, "audio_apll", "audpll_sel", 23),
	GATE_DUMMY(CLK_AUD_TML, "audio_tml_dummy"),
	GATE_DUMMY(CLK_AUD_AHB_IDLE_EXT, "audio_ahb_idle_ext_dummy"),
	GATE_DUMMY(CLK_AUD_AHB_IDLE_INT, "audio_ahb_idle_int_dummy"),
	/* AUDIO1 */
	GATE_AUDIO1(CLK_AUD_I2SIN1, "audio_i2sin1", "aud_mux1_sel", 0),
	GATE_AUDIO1(CLK_AUD_I2SIN2, "audio_i2sin2", "aud_mux1_sel", 1),
	GATE_AUDIO1(CLK_AUD_I2SIN3, "audio_i2sin3", "aud_mux1_sel", 2),
	GATE_AUDIO1(CLK_AUD_I2SIN4, "audio_i2sin4", "aud_mux1_sel", 3),
	GATE_AUDIO1(CLK_AUD_I2SIN5, "audio_i2sin5", "aud_mux1_sel", 4),
	GATE_AUDIO1(CLK_AUD_I2SIN6, "audio_i2sin6", "aud_mux1_sel", 5),
	GATE_AUDIO1(CLK_AUD_I2SO1, "audio_i2so1", "aud_mux1_sel", 6),
	GATE_AUDIO1(CLK_AUD_I2SO2, "audio_i2so2", "aud_mux1_sel", 7),
	GATE_AUDIO1(CLK_AUD_I2SO3, "audio_i2so3", "aud_mux1_sel", 8),
	GATE_AUDIO1(CLK_AUD_I2SO4, "audio_i2so4", "aud_mux1_sel", 9),
	GATE_AUDIO1(CLK_AUD_I2SO5, "audio_i2so5", "aud_mux1_sel", 10),
	GATE_AUDIO1(CLK_AUD_I2SO6, "audio_i2so6", "aud_mux1_sel", 11),
	GATE_AUDIO1(CLK_AUD_ASRCI1, "audio_asrci1", "asm_h_sel", 12),
	GATE_AUDIO1(CLK_AUD_ASRCI2, "audio_asrci2", "asm_h_sel", 13),
	GATE_AUDIO1(CLK_AUD_ASRCO1, "audio_asrco1", "asm_h_sel", 14),
	GATE_AUDIO1(CLK_AUD_ASRCO2, "audio_asrco2", "asm_h_sel", 15),
	GATE_DUMMY(CLK_AUD_HDMIRX, "audio_hdmirx_dummy"),
	GATE_AUDIO1(CLK_AUD_INTDIR, "audio_intdir", "intdir_sel", 20),
	GATE_AUDIO1(CLK_AUD_A1SYS, "audio_a1sys", "aud_mux1_sel", 21),
	GATE_AUDIO1(CLK_AUD_A2SYS, "audio_a2sys", "aud_mux2_sel", 22),
	GATE_AUDIO1(CLK_AUD_AFE_CONN, "audio_afe_conn", "aud_mux1_sel", 23),
	GATE_DUMMY(CLK_AUD_AFE_PCMIF, "audio_afe_pcmif_dummy"),
	GATE_AUDIO1(CLK_AUD_AFE_MRGIF, "audio_afe_mrgif", "aud_mux1_sel", 25),
	/* AUDIO2 */
	GATE_AUDIO2(CLK_AUD_MMIF_UL1, "audio_ul1", "aud_mux1_sel", 0),
	GATE_AUDIO2(CLK_AUD_MMIF_UL2, "audio_ul2", "aud_mux1_sel", 1),
	GATE_AUDIO2(CLK_AUD_MMIF_UL3, "audio_ul3", "aud_mux1_sel", 2),
	GATE_AUDIO2(CLK_AUD_MMIF_UL4, "audio_ul4", "aud_mux1_sel", 3),
	GATE_AUDIO2(CLK_AUD_MMIF_UL5, "audio_ul5", "aud_mux1_sel", 4),
	GATE_AUDIO2(CLK_AUD_MMIF_UL6, "audio_ul6", "aud_mux1_sel", 5),
	GATE_AUDIO2(CLK_AUD_MMIF_DL1, "audio_dl1", "aud_mux1_sel", 6),
	GATE_AUDIO2(CLK_AUD_MMIF_DL2, "audio_dl2", "aud_mux1_sel", 7),
	GATE_AUDIO2(CLK_AUD_MMIF_DL3, "audio_dl3", "aud_mux1_sel", 8),
	GATE_AUDIO2(CLK_AUD_MMIF_DL4, "audio_dl4", "aud_mux1_sel", 9),
	GATE_AUDIO2(CLK_AUD_MMIF_DL5, "audio_dl5", "aud_mux1_sel", 10),
	GATE_AUDIO2(CLK_AUD_MMIF_DL6, "audio_dl6", "aud_mux1_sel", 11),
	GATE_AUDIO2(CLK_AUD_MMIF_DLMCH, "audio_dlmch", "aud_mux1_sel", 12),
	GATE_AUDIO2(CLK_AUD_MMIF_ARB1, "audio_arb1", "aud_mux1_sel", 13),
	GATE_AUDIO2(CLK_AUD_MMIF_AWB1, "audio_awb", "aud_mux1_sel", 14),
	GATE_AUDIO2(CLK_AUD_MMIF_AWB2, "audio_awb2", "aud_mux1_sel", 15),
	GATE_AUDIO2(CLK_AUD_MMIF_DAI, "audio_dai", "aud_mux1_sel", 16),
	/* AUDIO3 */
	GATE_DUMMY(CLK_AUD_DMIC1, "audio_dmic1_dummy"),
	GATE_DUMMY(CLK_AUD_DMIC2, "audio_dmic2_dummy"),
	GATE_AUDIO3(CLK_AUD_ASRCI3, "audio_asrci3", "asm_h_sel", 2),
	GATE_AUDIO3(CLK_AUD_ASRCI4, "audio_asrci4", "asm_h_sel", 3),
	GATE_AUDIO3(CLK_AUD_ASRCI5, "audio_asrci5", "asm_h_sel", 4),
	GATE_AUDIO3(CLK_AUD_ASRCI6, "audio_asrci6", "asm_h_sel", 5),
	GATE_AUDIO3(CLK_AUD_ASRCO3, "audio_asrco3", "asm_h_sel", 6),
	GATE_AUDIO3(CLK_AUD_ASRCO4, "audio_asrco4", "asm_h_sel", 7),
	GATE_AUDIO3(CLK_AUD_ASRCO5, "audio_asrco5", "asm_h_sel", 8),
	GATE_AUDIO3(CLK_AUD_ASRCO6, "audio_asrco6", "asm_h_sel", 9),
	GATE_AUDIO3(CLK_AUD_MEM_ASRC1, "audio_mem_asrc1", "asm_h_sel", 10),
	GATE_AUDIO3(CLK_AUD_MEM_ASRC2, "audio_mem_asrc2", "asm_h_sel", 11),
	GATE_AUDIO3(CLK_AUD_MEM_ASRC3, "audio_mem_asrc3", "asm_h_sel", 12),
	GATE_AUDIO3(CLK_AUD_MEM_ASRC4, "audio_mem_asrc4", "asm_h_sel", 13),
	GATE_AUDIO3(CLK_AUD_MEM_ASRC5, "audio_mem_asrc5", "asm_h_sel", 14),
	};

	static const struct mtk_clk_desc audio_desc = {
	.clks = audio_clks,
	.num_clks = ARRAY_SIZE(audio_clks),
	};

	static const struct of_device_id of_match_clk_mt2701_aud[] = {
	{ .compatible = "mediatek,mt2701-audsys", .data = &audio_desc },
	{ /* sentinel */ }
	};
	MODULE_DEVICE_TABLE(of, of_match_clk_mt2701_aud);

	static int clk_mt2701_aud_probe(struct platform_device *pdev)
	{
	int r;

	r = mtk_clk_simple_probe(pdev);
	if (r) {
	dev_err(&pdev->dev,
	"could not register clock provider: %s: %d\n",
	pdev->name, r);

	return r;
	}

	r = devm_of_platform_populate(&pdev->dev);
	if (r)
	goto err_plat_populate;

	return 0;

	err_plat_populate:
	mtk_clk_simple_remove(pdev);
	return r;
	}

	static void clk_mt2701_aud_remove(struct platform_device *pdev)
	{
	of_platform_depopulate(&pdev->dev);
	mtk_clk_simple_remove(pdev);
	}

	static struct platform_driver clk_mt2701_aud_drv = {
	.probe = clk_mt2701_aud_probe,
	.remove = clk_mt2701_aud_remove,
	.driver = {
	.name = "clk-mt2701-aud",
	.of_match_table = of_match_clk_mt2701_aud,
	},
	};
	module_platform_driver(clk_mt2701_aud_drv);

	MODULE_DESCRIPTION("MediaTek MT2701 audio clocks driver");
	MODULE_LICENSE("GPL");