diff options
Diffstat (limited to 'drivers/clk/mediatek/clk-mt8167-aud.c')
| -rw-r--r-- | drivers/clk/mediatek/clk-mt8167-aud.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt8167-aud.c b/drivers/clk/mediatek/clk-mt8167-aud.c new file mode 100644 index 0000000000..a5181f4eb3 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8167-aud.c @@ -0,0 +1,64 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2020 MediaTek Inc. + * Copyright (c) 2020 BayLibre, SAS + * Author: James Liao <jamesjj.liao@mediatek.com> + * Fabien Parent <fparent@baylibre.com> + */ + +#include <linux/clk-provider.h> +#include <linux/mod_devicetable.h> +#include <linux/platform_device.h> + +#include "clk-mtk.h" +#include "clk-gate.h" + +#include <dt-bindings/clock/mt8167-clk.h> + +static const struct mtk_gate_regs aud_cg_regs = { + .set_ofs = 0x0, + .clr_ofs = 0x0, + .sta_ofs = 0x0, +}; + +#define GATE_AUD(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &aud_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr) + + +static const struct mtk_gate aud_clks[] = { + GATE_AUD(CLK_AUD_AFE, "aud_afe", "clk26m_ck", 2), + GATE_AUD(CLK_AUD_I2S, "aud_i2s", "i2s_infra_bck", 6), + GATE_AUD(CLK_AUD_22M, "aud_22m", "rg_aud_engen1", 8), + GATE_AUD(CLK_AUD_24M, "aud_24m", "rg_aud_engen2", 9), + GATE_AUD(CLK_AUD_INTDIR, "aud_intdir", "rg_aud_spdif_in", 15), + GATE_AUD(CLK_AUD_APLL2_TUNER, "aud_apll2_tuner", "rg_aud_engen2", 18), + GATE_AUD(CLK_AUD_APLL_TUNER, "aud_apll_tuner", "rg_aud_engen1", 19), + GATE_AUD(CLK_AUD_HDMI, "aud_hdmi", "apll12_div4", 20), + GATE_AUD(CLK_AUD_SPDF, "aud_spdf", "apll12_div6", 21), + GATE_AUD(CLK_AUD_ADC, "aud_adc", "aud_afe", 24), + GATE_AUD(CLK_AUD_DAC, "aud_dac", "aud_afe", 25), + GATE_AUD(CLK_AUD_DAC_PREDIS, "aud_dac_predis", "aud_afe", 26), + GATE_AUD(CLK_AUD_TML, "aud_tml", "aud_afe", 27), +}; + +static const struct mtk_clk_desc aud_desc = { + .clks = aud_clks, + .num_clks = ARRAY_SIZE(aud_clks), +}; + +static const struct of_device_id of_match_clk_mt8167_audsys[] = { + { .compatible = "mediatek,mt8167-audsys", .data = &aud_desc }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, of_match_clk_mt8167_audsys); + +static struct platform_driver clk_mt8167_audsys_drv = { + .probe = mtk_clk_simple_probe, + .remove_new = mtk_clk_simple_remove, + .driver = { + .name = "clk-mt8167-audsys", + .of_match_table = of_match_clk_mt8167_audsys, + }, +}; +module_platform_driver(clk_mt8167_audsys_drv); +MODULE_LICENSE("GPL"); |