^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright (c) 2020 MediaTek Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Copyright (c) 2020 BayLibre, SAS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Author: James Liao <jamesjj.liao@mediatek.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Fabien Parent <fparent@baylibre.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/clk-provider.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/of.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/of_address.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/of_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include "clk-mtk.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include "clk-gate.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <dt-bindings/clock/mt8167-clk.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) static const struct mtk_gate_regs aud_cg_regs = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) .set_ofs = 0x0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) .clr_ofs = 0x0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) .sta_ofs = 0x0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define GATE_AUD(_id, _name, _parent, _shift) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) .id = _id, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) .name = _name, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) .parent_name = _parent, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) .regs = &aud_cg_regs, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) .shift = _shift, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) .ops = &mtk_clk_gate_ops_no_setclr, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) static const struct mtk_gate aud_clks[] __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) GATE_AUD(CLK_AUD_AFE, "aud_afe", "clk26m_ck", 2),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) GATE_AUD(CLK_AUD_I2S, "aud_i2s", "i2s_infra_bck", 6),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) GATE_AUD(CLK_AUD_22M, "aud_22m", "rg_aud_engen1", 8),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) GATE_AUD(CLK_AUD_24M, "aud_24m", "rg_aud_engen2", 9),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) GATE_AUD(CLK_AUD_INTDIR, "aud_intdir", "rg_aud_spdif_in", 15),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) GATE_AUD(CLK_AUD_APLL2_TUNER, "aud_apll2_tuner", "rg_aud_engen2", 18),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) GATE_AUD(CLK_AUD_APLL_TUNER, "aud_apll_tuner", "rg_aud_engen1", 19),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) GATE_AUD(CLK_AUD_HDMI, "aud_hdmi", "apll12_div4", 20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) GATE_AUD(CLK_AUD_SPDF, "aud_spdf", "apll12_div6", 21),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) GATE_AUD(CLK_AUD_ADC, "aud_adc", "aud_afe", 24),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) GATE_AUD(CLK_AUD_DAC, "aud_dac", "aud_afe", 25),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) GATE_AUD(CLK_AUD_DAC_PREDIS, "aud_dac_predis", "aud_afe", 26),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) GATE_AUD(CLK_AUD_TML, "aud_tml", "aud_afe", 27),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) static void __init mtk_audsys_init(struct device_node *node)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) struct clk_onecell_data *clk_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) int r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) clk_data = mtk_alloc_clk_data(CLK_AUD_NR_CLK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) mtk_clk_register_gates(node, aud_clks, ARRAY_SIZE(aud_clks), clk_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) if (r)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) pr_err("%s(): could not register clock provider: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) __func__, r);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) CLK_OF_DECLARE(mtk_audsys, "mediatek,mt8167-audsys", mtk_audsys_init);