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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/clk/mediatek/clk-mt8183-audio.c
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/clk/mediatek/clk-mt8183-audio.c')
-rw-r--r--drivers/clk/mediatek/clk-mt8183-audio.c111
1 files changed, 111 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt8183-audio.c b/drivers/clk/mediatek/clk-mt8183-audio.c
new file mode 100644
index 0000000000..716b26825e
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt8183-audio.c
@@ -0,0 +1,111 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// Copyright (c) 2018 MediaTek Inc.
+// Author: Weiyi Lu <weiyi.lu@mediatek.com>
+
+#include <linux/clk-provider.h>
+#include <linux/of_platform.h>
+#include <linux/platform_device.h>
+
+#include "clk-mtk.h"
+#include "clk-gate.h"
+
+#include <dt-bindings/clock/mt8183-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_sel",
+ 2),
+ GATE_AUDIO0(CLK_AUDIO_22M, "aud_22m", "aud_eng1_sel",
+ 8),
+ GATE_AUDIO0(CLK_AUDIO_24M, "aud_24m", "aud_eng2_sel",
+ 9),
+ GATE_AUDIO0(CLK_AUDIO_APLL2_TUNER, "aud_apll2_tuner", "aud_eng2_sel",
+ 18),
+ GATE_AUDIO0(CLK_AUDIO_APLL_TUNER, "aud_apll_tuner", "aud_eng1_sel",
+ 19),
+ GATE_AUDIO0(CLK_AUDIO_TDM, "aud_tdm", "apll12_divb",
+ 20),
+ GATE_AUDIO0(CLK_AUDIO_ADC, "aud_adc", "audio_sel",
+ 24),
+ GATE_AUDIO0(CLK_AUDIO_DAC, "aud_dac", "audio_sel",
+ 25),
+ GATE_AUDIO0(CLK_AUDIO_DAC_PREDIS, "aud_dac_predis", "audio_sel",
+ 26),
+ GATE_AUDIO0(CLK_AUDIO_TML, "aud_tml", "audio_sel",
+ 27),
+ /* AUDIO1 */
+ GATE_AUDIO1(CLK_AUDIO_I2S1, "aud_i2s1", "audio_sel",
+ 4),
+ GATE_AUDIO1(CLK_AUDIO_I2S2, "aud_i2s2", "audio_sel",
+ 5),
+ GATE_AUDIO1(CLK_AUDIO_I2S3, "aud_i2s3", "audio_sel",
+ 6),
+ GATE_AUDIO1(CLK_AUDIO_I2S4, "aud_i2s4", "audio_sel",
+ 7),
+ GATE_AUDIO1(CLK_AUDIO_PDN_ADDA6_ADC, "aud_pdn_adda6_adc", "audio_sel",
+ 20),
+};
+
+static const struct mtk_clk_desc audio_desc = {
+ .clks = audio_clks,
+ .num_clks = ARRAY_SIZE(audio_clks),
+};
+
+static int clk_mt8183_audio_probe(struct platform_device *pdev)
+{
+ int r;
+
+ r = mtk_clk_simple_probe(pdev);
+ if (r)
+ return r;
+
+ r = devm_of_platform_populate(&pdev->dev);
+ if (r)
+ mtk_clk_simple_remove(pdev);
+
+ return r;
+}
+
+static void clk_mt8183_audio_remove(struct platform_device *pdev)
+{
+ of_platform_depopulate(&pdev->dev);
+ mtk_clk_simple_remove(pdev);
+}
+
+static const struct of_device_id of_match_clk_mt8183_audio[] = {
+ { .compatible = "mediatek,mt8183-audiosys", .data = &audio_desc },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, of_match_clk_mt8183_audio);
+
+static struct platform_driver clk_mt8183_audio_drv = {
+ .probe = clk_mt8183_audio_probe,
+ .remove_new = clk_mt8183_audio_remove,
+ .driver = {
+ .name = "clk-mt8183-audio",
+ .of_match_table = of_match_clk_mt8183_audio,
+ },
+};
+module_platform_driver(clk_mt8183_audio_drv);
+MODULE_LICENSE("GPL");