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Diffstat (limited to 'drivers/clk/mediatek/clk-mt8167-mfgcfg.c')
-rw-r--r--drivers/clk/mediatek/clk-mt8167-mfgcfg.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt8167-mfgcfg.c b/drivers/clk/mediatek/clk-mt8167-mfgcfg.c
new file mode 100644
index 000000000..192714498
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt8167-mfgcfg.c
@@ -0,0 +1,52 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2020 MediaTek Inc.
+ * Copyright (c) 2020 BayLibre, SAS
+ * Author: James Liao <jamesjj.liao@mediatek.com>
+ * Fabien Parent <fparent@baylibre.com>
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+
+#include "clk-mtk.h"
+#include "clk-gate.h"
+
+#include <dt-bindings/clock/mt8167-clk.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[] __initconst = {
+ GATE_MFG(CLK_MFG_BAXI, "mfg_baxi", "ahb_infra_sel", 0),
+ GATE_MFG(CLK_MFG_BMEM, "mfg_bmem", "gfmux_emi1x_sel", 1),
+ GATE_MFG(CLK_MFG_BG3D, "mfg_bg3d", "mfg_mm", 2),
+ GATE_MFG(CLK_MFG_B26M, "mfg_b26m", "clk26m_ck", 3),
+};
+
+static void __init mtk_mfgcfg_init(struct device_node *node)
+{
+ struct clk_hw_onecell_data *clk_data;
+ int r;
+
+ clk_data = mtk_alloc_clk_data(CLK_MFG_NR_CLK);
+
+ mtk_clk_register_gates(node, mfg_clks, ARRAY_SIZE(mfg_clks), clk_data);
+
+ r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
+
+ if (r)
+ pr_err("%s(): could not register clock provider: %d\n",
+ __func__, r);
+
+}
+CLK_OF_DECLARE(mtk_mfgcfg, "mediatek,mt8167-mfgcfg", mtk_mfgcfg_init);