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path: root/drivers/clk/mediatek/clk-mt8192-scp_adsp.c
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Diffstat (limited to 'drivers/clk/mediatek/clk-mt8192-scp_adsp.c')
-rw-r--r--drivers/clk/mediatek/clk-mt8192-scp_adsp.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt8192-scp_adsp.c b/drivers/clk/mediatek/clk-mt8192-scp_adsp.c
new file mode 100644
index 000000000000..58725d79dd13
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt8192-scp_adsp.c
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// Copyright (c) 2021 MediaTek Inc.
+// Author: Chun-Jie Chen <chun-jie.chen@mediatek.com>
+
+#include <linux/clk-provider.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+
+#include "clk-mtk.h"
+#include "clk-gate.h"
+
+#include <dt-bindings/clock/mt8192-clk.h>
+
+static const struct mtk_gate_regs scp_adsp_cg_regs = {
+ .set_ofs = 0x180,
+ .clr_ofs = 0x180,
+ .sta_ofs = 0x180,
+};
+
+#define GATE_SCP_ADSP(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &scp_adsp_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr)
+
+static const struct mtk_gate scp_adsp_clks[] = {
+ GATE_SCP_ADSP(CLK_SCP_ADSP_AUDIODSP, "scp_adsp_audiodsp", "adsp_sel", 0),
+};
+
+static const struct mtk_clk_desc scp_adsp_desc = {
+ .clks = scp_adsp_clks,
+ .num_clks = ARRAY_SIZE(scp_adsp_clks),
+};
+
+static const struct of_device_id of_match_clk_mt8192_scp_adsp[] = {
+ {
+ .compatible = "mediatek,mt8192-scp_adsp",
+ .data = &scp_adsp_desc,
+ }, {
+ /* sentinel */
+ }
+};
+
+static struct platform_driver clk_mt8192_scp_adsp_drv = {
+ .probe = mtk_clk_simple_probe,
+ .driver = {
+ .name = "clk-mt8192-scp_adsp",
+ .of_match_table = of_match_clk_mt8192_scp_adsp,
+ },
+};
+
+builtin_platform_driver(clk_mt8192_scp_adsp_drv);