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authorAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
committerAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
commitaf1a266670d040d2f4083ff309d732d648afba2a (patch)
tree2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/drivers/clk/mediatek/clk-mtk.h
parente02cda008591317b1625707ff8e115a4841aa889 (diff)
Add submodule dependency filesHEADmaster
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/drivers/clk/mediatek/clk-mtk.h')
-rw-r--r--roms/u-boot/drivers/clk/mediatek/clk-mtk.h223
1 files changed, 223 insertions, 0 deletions
diff --git a/roms/u-boot/drivers/clk/mediatek/clk-mtk.h b/roms/u-boot/drivers/clk/mediatek/clk-mtk.h
new file mode 100644
index 000000000..95a23d14a
--- /dev/null
+++ b/roms/u-boot/drivers/clk/mediatek/clk-mtk.h
@@ -0,0 +1,223 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2018 MediaTek Inc.
+ * Author: Ryder Lee <ryder.lee@mediatek.com>
+ */
+
+#ifndef __DRV_CLK_MTK_H
+#define __DRV_CLK_MTK_H
+
+#include <linux/bitops.h>
+#define CLK_XTAL 0
+#define MHZ (1000 * 1000)
+
+#define HAVE_RST_BAR BIT(0)
+#define CLK_DOMAIN_SCPSYS BIT(0)
+#define CLK_MUX_SETCLR_UPD BIT(1)
+
+#define CLK_GATE_SETCLR BIT(0)
+#define CLK_GATE_SETCLR_INV BIT(1)
+#define CLK_GATE_NO_SETCLR BIT(2)
+#define CLK_GATE_NO_SETCLR_INV BIT(3)
+#define CLK_GATE_MASK GENMASK(3, 0)
+
+#define CLK_PARENT_APMIXED BIT(4)
+#define CLK_PARENT_TOPCKGEN BIT(5)
+#define CLK_PARENT_MASK GENMASK(5, 4)
+
+#define ETHSYS_HIFSYS_RST_CTRL_OFS 0x34
+
+/* struct mtk_pll_data - hardware-specific PLLs data */
+struct mtk_pll_data {
+ const int id;
+ u32 reg;
+ u32 pwr_reg;
+ u32 en_mask;
+ u32 pd_reg;
+ int pd_shift;
+ u32 flags;
+ u32 rst_bar_mask;
+ u64 fmax;
+ u64 fmin;
+ int pcwbits;
+ int pcwibits;
+ u32 pcw_reg;
+ int pcw_shift;
+ u32 pcw_chg_reg;
+};
+
+/**
+ * struct mtk_fixed_clk - fixed clocks
+ *
+ * @id: index of clocks
+ * @parent: index of parnet clocks
+ * @rate: fixed rate
+ */
+struct mtk_fixed_clk {
+ const int id;
+ const int parent;
+ unsigned long rate;
+};
+
+#define FIXED_CLK(_id, _parent, _rate) { \
+ .id = _id, \
+ .parent = _parent, \
+ .rate = _rate, \
+ }
+
+/**
+ * struct mtk_fixed_factor - fixed multiplier and divider clocks
+ *
+ * @id: index of clocks
+ * @parent: index of parnet clocks
+ * @mult: multiplier
+ * @div: divider
+ * @flag: hardware-specific flags
+ */
+struct mtk_fixed_factor {
+ const int id;
+ const int parent;
+ u32 mult;
+ u32 div;
+ u32 flags;
+};
+
+#define FACTOR(_id, _parent, _mult, _div, _flags) { \
+ .id = _id, \
+ .parent = _parent, \
+ .mult = _mult, \
+ .div = _div, \
+ .flags = _flags, \
+ }
+
+/**
+ * struct mtk_composite - aggregate clock of mux, divider and gate clocks
+ *
+ * @id: index of clocks
+ * @parent: index of parnet clocks
+ * @mux_reg: hardware-specific mux register
+ * @gate_reg: hardware-specific gate register
+ * @mux_mask: mask to the mux bit field
+ * @mux_shift: shift to the mux bit field
+ * @gate_shift: shift to the gate bit field
+ * @num_parents: number of parent clocks
+ * @flags: hardware-specific flags
+ */
+struct mtk_composite {
+ const int id;
+ const int *parent;
+ u32 mux_reg;
+ u32 mux_set_reg;
+ u32 mux_clr_reg;
+ u32 upd_reg;
+ u32 gate_reg;
+ u32 mux_mask;
+ signed char mux_shift;
+ signed char upd_shift;
+ signed char gate_shift;
+ signed char num_parents;
+ u16 flags;
+};
+
+#define MUX_GATE_FLAGS(_id, _parents, _reg, _shift, _width, _gate, \
+ _flags) { \
+ .id = _id, \
+ .mux_reg = _reg, \
+ .mux_shift = _shift, \
+ .mux_mask = BIT(_width) - 1, \
+ .gate_reg = _reg, \
+ .gate_shift = _gate, \
+ .parent = _parents, \
+ .num_parents = ARRAY_SIZE(_parents), \
+ .flags = _flags, \
+ }
+
+#define MUX_GATE(_id, _parents, _reg, _shift, _width, _gate) \
+ MUX_GATE_FLAGS(_id, _parents, _reg, _shift, _width, _gate, 0)
+
+#define MUX(_id, _parents, _reg, _shift, _width) { \
+ .id = _id, \
+ .mux_reg = _reg, \
+ .mux_shift = _shift, \
+ .mux_mask = BIT(_width) - 1, \
+ .gate_shift = -1, \
+ .parent = _parents, \
+ .num_parents = ARRAY_SIZE(_parents), \
+ .flags = 0, \
+ }
+
+#define MUX_CLR_SET_UPD_FLAGS(_id, _parents, _mux_ofs, _mux_set_ofs,\
+ _mux_clr_ofs, _shift, _width, _gate, \
+ _upd_ofs, _upd, _flags) { \
+ .id = _id, \
+ .mux_reg = _mux_ofs, \
+ .mux_set_reg = _mux_set_ofs, \
+ .mux_clr_reg = _mux_clr_ofs, \
+ .upd_reg = _upd_ofs, \
+ .upd_shift = _upd, \
+ .mux_shift = _shift, \
+ .mux_mask = BIT(_width) - 1, \
+ .gate_reg = _mux_ofs, \
+ .gate_shift = _gate, \
+ .parent = _parents, \
+ .num_parents = ARRAY_SIZE(_parents), \
+ .flags = _flags, \
+ }
+
+struct mtk_gate_regs {
+ u32 sta_ofs;
+ u32 clr_ofs;
+ u32 set_ofs;
+};
+
+/**
+ * struct mtk_gate - gate clocks
+ *
+ * @id: index of gate clocks
+ * @parent: index of parnet clocks
+ * @regs: hardware-specific mux register
+ * @shift: shift to the gate bit field
+ * @flags: hardware-specific flags
+ */
+struct mtk_gate {
+ const int id;
+ const int parent;
+ const struct mtk_gate_regs *regs;
+ int shift;
+ u32 flags;
+};
+
+/* struct mtk_clk_tree - clock tree */
+struct mtk_clk_tree {
+ unsigned long xtal_rate;
+ unsigned long xtal2_rate;
+ const int fdivs_offs;
+ const int muxes_offs;
+ const struct mtk_pll_data *plls;
+ const struct mtk_fixed_clk *fclks;
+ const struct mtk_fixed_factor *fdivs;
+ const struct mtk_composite *muxes;
+};
+
+struct mtk_clk_priv {
+ void __iomem *base;
+ const struct mtk_clk_tree *tree;
+};
+
+struct mtk_cg_priv {
+ void __iomem *base;
+ const struct mtk_clk_tree *tree;
+ const struct mtk_gate *gates;
+};
+
+extern const struct clk_ops mtk_clk_apmixedsys_ops;
+extern const struct clk_ops mtk_clk_topckgen_ops;
+extern const struct clk_ops mtk_clk_gate_ops;
+
+int mtk_common_clk_init(struct udevice *dev,
+ const struct mtk_clk_tree *tree);
+int mtk_common_clk_gate_init(struct udevice *dev,
+ const struct mtk_clk_tree *tree,
+ const struct mtk_gate *gates);
+
+#endif /* __DRV_CLK_MTK_H */