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path: root/drivers/clk/mediatek/clk-mt6765-audio.c
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Diffstat (limited to 'drivers/clk/mediatek/clk-mt6765-audio.c')
-rw-r--r--drivers/clk/mediatek/clk-mt6765-audio.c78
1 files changed, 78 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt6765-audio.c b/drivers/clk/mediatek/clk-mt6765-audio.c
new file mode 100644
index 000000000..5682e0302
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt6765-audio.c
@@ -0,0 +1,78 @@
+// 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) \
+ 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)
+
+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 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_mt6765_audio[] = {
+ {
+ .compatible = "mediatek,mt6765-audsys",
+ .data = &audio_desc,
+ }, {
+ /* sentinel */
+ }
+};
+
+static struct platform_driver clk_mt6765_audio_drv = {
+ .probe = mtk_clk_simple_probe,
+ .remove = mtk_clk_simple_remove,
+ .driver = {
+ .name = "clk-mt6765-audio",
+ .of_match_table = of_match_clk_mt6765_audio,
+ },
+};
+
+builtin_platform_driver(clk_mt6765_audio_drv);