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Diffstat (limited to 'drivers/clk/mediatek/clk-mt6795-mfg.c')
-rw-r--r--drivers/clk/mediatek/clk-mt6795-mfg.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt6795-mfg.c b/drivers/clk/mediatek/clk-mt6795-mfg.c
new file mode 100644
index 0000000000..dff6a6ded8
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt6795-mfg.c
@@ -0,0 +1,51 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2022 Collabora Ltd.
+ * Author: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
+ */
+
+#include <dt-bindings/clock/mediatek,mt6795-clk.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include "clk-gate.h"
+#include "clk-mtk.h"
+
+static const struct mtk_gate_regs mfg_cg_regs = {
+ .set_ofs = 0x4,
+ .clr_ofs = 0x8,
+ .sta_ofs = 0x0,
+};
+
+#define GATE_MFG(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &mfg_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
+
+static const struct mtk_gate mfg_clks[] = {
+ GATE_MFG(CLK_MFG_BAXI, "mfg_baxi", "axi_mfg_in_sel", 0),
+ GATE_MFG(CLK_MFG_BMEM, "mfg_bmem", "mem_mfg_in_sel", 1),
+ GATE_MFG(CLK_MFG_BG3D, "mfg_bg3d", "mfg_sel", 2),
+ GATE_MFG(CLK_MFG_B26M, "mfg_b26m", "clk26m", 3),
+};
+
+static const struct mtk_clk_desc mfg_desc = {
+ .clks = mfg_clks,
+ .num_clks = ARRAY_SIZE(mfg_clks),
+};
+
+static const struct of_device_id of_match_clk_mt6795_mfg[] = {
+ { .compatible = "mediatek,mt6795-mfgcfg", .data = &mfg_desc },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, of_match_clk_mt6795_mfg);
+
+static struct platform_driver clk_mt6795_mfg_drv = {
+ .driver = {
+ .name = "clk-mt6795-mfg",
+ .of_match_table = of_match_clk_mt6795_mfg,
+ },
+ .probe = mtk_clk_simple_probe,
+ .remove_new = mtk_clk_simple_remove,
+};
+module_platform_driver(clk_mt6795_mfg_drv);
+
+MODULE_DESCRIPTION("MediaTek MT6795 mfg clocks driver");
+MODULE_LICENSE("GPL");