[PATCH v6 19/19] clk: mediatek: Add MT8188 adsp clock support
Garmin.Chang
Garmin.Chang at mediatek.com
Thu Mar 9 05:54:19 PST 2023
Add MT8188 adsp clock controller which provides clock gate
control for Audio DSP.
Signed-off-by: Garmin.Chang <Garmin.Chang at mediatek.com>
---
drivers/clk/mediatek/Makefile | 2 +-
.../clk/mediatek/clk-mt8188-adsp_audio26m.c | 45 +++++++++++++++++++
2 files changed, 46 insertions(+), 1 deletion(-)
create mode 100644 drivers/clk/mediatek/clk-mt8188-adsp_audio26m.c
diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile
index 0e75308e31d7..18cd06a45bf1 100644
--- a/drivers/clk/mediatek/Makefile
+++ b/drivers/clk/mediatek/Makefile
@@ -97,7 +97,7 @@ obj-$(CONFIG_COMMON_CLK_MT8188) += clk-mt8188-apmixedsys.o clk-mt8188-topckgen.o
clk-mt8188-ipe.o clk-mt8188-mfg.o clk-mt8188-vdec.o \
clk-mt8188-vdo0.o clk-mt8188-vdo1.o clk-mt8188-venc.o \
clk-mt8188-vpp0.o clk-mt8188-vpp1.o clk-mt8188-wpe.o \
- clk-mt8188-imp_iic_wrap.o
+ clk-mt8188-imp_iic_wrap.o clk-mt8188-adsp_audio26m.o
obj-$(CONFIG_COMMON_CLK_MT8192) += clk-mt8192.o
obj-$(CONFIG_COMMON_CLK_MT8192_AUDSYS) += clk-mt8192-aud.o
obj-$(CONFIG_COMMON_CLK_MT8192_CAMSYS) += clk-mt8192-cam.o
diff --git a/drivers/clk/mediatek/clk-mt8188-adsp_audio26m.c b/drivers/clk/mediatek/clk-mt8188-adsp_audio26m.c
new file mode 100644
index 000000000000..8a074f486a38
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt8188-adsp_audio26m.c
@@ -0,0 +1,45 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// Copyright (c) 2022 MediaTek Inc.
+// Author: Garmin Chang <garmin.chang at mediatek.com>
+
+#include <linux/clk-provider.h>
+#include <linux/platform_device.h>
+#include <dt-bindings/clock/mediatek,mt8188-clk.h>
+
+#include "clk-gate.h"
+#include "clk-mtk.h"
+
+static const struct mtk_gate_regs adsp_audio26m_cg_regs = {
+ .set_ofs = 0x80,
+ .clr_ofs = 0x80,
+ .sta_ofs = 0x80,
+};
+
+#define GATE_ADSP_FLAGS(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &adsp_audio26m_cg_regs, _shift, \
+ &mtk_clk_gate_ops_no_setclr)
+
+static const struct mtk_gate adsp_audio26m_clks[] = {
+ GATE_ADSP_FLAGS(CLK_AUDIODSP_AUDIO26M, "audiodsp_audio26m", "clk26m", 3),
+};
+
+static const struct mtk_clk_desc adsp_audio26m_desc = {
+ .clks = adsp_audio26m_clks,
+ .num_clks = ARRAY_SIZE(adsp_audio26m_clks),
+};
+
+static const struct of_device_id of_match_clk_mt8188_adsp_audio26m[] = {
+ { .compatible = "mediatek,mt8188-adsp-audio26m", .data = &adsp_audio26m_desc },
+ { /* sentinel */ }
+};
+
+static struct platform_driver clk_mt8188_adsp_audio26m_drv = {
+ .probe = mtk_clk_simple_probe,
+ .remove = mtk_clk_simple_remove,
+ .driver = {
+ .name = "clk-mt8188-adsp_audio26m",
+ .of_match_table = of_match_clk_mt8188_adsp_audio26m,
+ },
+};
+builtin_platform_driver(clk_mt8188_adsp_audio26m_drv);
--
2.18.0
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