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- // SPDX-License-Identifier: GPL-2.0
- /*
- * Copyright (c) 2018 MediaTek Inc.
- * Author: Owen Chen <owen.chen@mediatek.com>
- */
- #include <linux/clk-provider.h>
- #include <linux/platform_device.h>
- #include "clk-mtk.h"
- #include "clk-gate.h"
- #include <dt-bindings/clock/mt6765-clk.h>
- 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 = 0x4,
- .clr_ofs = 0x4,
- .sta_ofs = 0x4,
- };
- #define GATE_AUDIO0(_id, _name, _parent, _shift) { \
- .id = _id, \
- .name = _name, \
- .parent_name = _parent, \
- .regs = &audio0_cg_regs, \
- .shift = _shift, \
- .ops = &mtk_clk_gate_ops_no_setclr, \
- }
- #define GATE_AUDIO1(_id, _name, _parent, _shift) { \
- .id = _id, \
- .name = _name, \
- .parent_name = _parent, \
- .regs = &audio1_cg_regs, \
- .shift = _shift, \
- .ops = &mtk_clk_gate_ops_no_setclr, \
- }
- static const struct mtk_gate audio_clks[] = {
- /* AUDIO0 */
- GATE_AUDIO0(CLK_AUDIO_AFE, "aud_afe", "audio_ck", 2),
- GATE_AUDIO0(CLK_AUDIO_22M, "aud_22m", "aud_engen1_ck", 8),
- GATE_AUDIO0(CLK_AUDIO_APLL_TUNER, "aud_apll_tuner",
- "aud_engen1_ck", 19),
- GATE_AUDIO0(CLK_AUDIO_ADC, "aud_adc", "audio_ck", 24),
- GATE_AUDIO0(CLK_AUDIO_DAC, "aud_dac", "audio_ck", 25),
- GATE_AUDIO0(CLK_AUDIO_DAC_PREDIS, "aud_dac_predis",
- "audio_ck", 26),
- GATE_AUDIO0(CLK_AUDIO_TML, "aud_tml", "audio_ck", 27),
- /* AUDIO1 */
- GATE_AUDIO1(CLK_AUDIO_I2S1_BCLK, "aud_i2s1_bclk",
- "audio_ck", 4),
- GATE_AUDIO1(CLK_AUDIO_I2S2_BCLK, "aud_i2s2_bclk",
- "audio_ck", 5),
- GATE_AUDIO1(CLK_AUDIO_I2S3_BCLK, "aud_i2s3_bclk",
- "audio_ck", 6),
- GATE_AUDIO1(CLK_AUDIO_I2S4_BCLK, "aud_i2s4_bclk",
- "audio_ck", 7),
- };
- static int clk_mt6765_audio_probe(struct platform_device *pdev)
- {
- struct clk_onecell_data *clk_data;
- int r;
- struct device_node *node = pdev->dev.of_node;
- clk_data = mtk_alloc_clk_data(CLK_AUDIO_NR_CLK);
- mtk_clk_register_gates(node, audio_clks,
- ARRAY_SIZE(audio_clks), clk_data);
- r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
- if (r)
- pr_err("%s(): could not register clock provider: %d\n",
- __func__, r);
- return r;
- }
- static const struct of_device_id of_match_clk_mt6765_audio[] = {
- { .compatible = "mediatek,mt6765-audsys", },
- {}
- };
- static struct platform_driver clk_mt6765_audio_drv = {
- .probe = clk_mt6765_audio_probe,
- .driver = {
- .name = "clk-mt6765-audio",
- .of_match_table = of_match_clk_mt6765_audio,
- },
- };
- builtin_platform_driver(clk_mt6765_audio_drv);
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