Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 163 insertions, 0 deletions

diff --git a/drivers/clk/uniphier/clk-uniphier.h b/drivers/clk/uniphier/clk-uniphier.h
new file mode 100644
index 000000000..d10a009ad
--- /dev/null
+++ b/drivers/clk/uniphier/clk-uniphier.h
@@ -0,0 +1,163 @@
+/*
+ * Copyright (C) 2016 Socionext Inc.
+ *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __CLK_UNIPHIER_H__
+#define __CLK_UNIPHIER_H__
+
+struct clk_hw;
+struct device;
+struct regmap;
+
+#define UNIPHIER_CLK_CPUGEAR_MAX_PARENTS	16
+#define UNIPHIER_CLK_MUX_MAX_PARENTS		8
+
+enum uniphier_clk_type {
+	UNIPHIER_CLK_TYPE_CPUGEAR,
+	UNIPHIER_CLK_TYPE_FIXED_FACTOR,
+	UNIPHIER_CLK_TYPE_FIXED_RATE,
+	UNIPHIER_CLK_TYPE_GATE,
+	UNIPHIER_CLK_TYPE_MUX,
+};
+
+struct uniphier_clk_cpugear_data {
+	const char *parent_names[UNIPHIER_CLK_CPUGEAR_MAX_PARENTS];
+	unsigned int num_parents;
+	unsigned int regbase;
+	unsigned int mask;
+};
+
+struct uniphier_clk_fixed_factor_data {
+	const char *parent_name;
+	unsigned int mult;
+	unsigned int div;
+};
+
+struct uniphier_clk_fixed_rate_data {
+	unsigned long fixed_rate;
+};
+
+struct uniphier_clk_gate_data {
+	const char *parent_name;
+	unsigned int reg;
+	unsigned int bit;
+};
+
+struct uniphier_clk_mux_data {
+	const char *parent_names[UNIPHIER_CLK_MUX_MAX_PARENTS];
+	unsigned int num_parents;
+	unsigned int reg;
+	unsigned int masks[UNIPHIER_CLK_MUX_MAX_PARENTS];
+	unsigned int vals[UNIPHIER_CLK_MUX_MAX_PARENTS];
+};
+
+struct uniphier_clk_data {
+	const char *name;
+	enum uniphier_clk_type type;
+	int idx;
+	union {
+		struct uniphier_clk_cpugear_data cpugear;
+		struct uniphier_clk_fixed_factor_data factor;
+		struct uniphier_clk_fixed_rate_data rate;
+		struct uniphier_clk_gate_data gate;
+		struct uniphier_clk_mux_data mux;
+	} data;
+};
+
+#define UNIPHIER_CLK_CPUGEAR(_name, _idx, _regbase, _mask,	\
+			     _num_parents, ...)			\
+	{							\
+		.name = (_name),				\
+		.type = UNIPHIER_CLK_TYPE_CPUGEAR,		\
+		.idx = (_idx),					\
+		.data.cpugear = {				\
+			.parent_names = { __VA_ARGS__ },	\
+			.num_parents = (_num_parents),		\
+			.regbase = (_regbase),			\
+			.mask = (_mask)				\
+		 },						\
+	}
+
+#define UNIPHIER_CLK_FACTOR(_name, _idx, _parent, _mult, _div)	\
+	{							\
+		.name = (_name),				\
+		.type = UNIPHIER_CLK_TYPE_FIXED_FACTOR,		\
+		.idx = (_idx),					\
+		.data.factor = {				\
+			.parent_name = (_parent),		\
+			.mult = (_mult),			\
+			.div = (_div),				\
+		},						\
+	}
+
+#define UNIPHIER_CLK_GATE(_name, _idx, _parent, _reg, _bit)	\
+	{							\
+		.name = (_name),				\
+		.type = UNIPHIER_CLK_TYPE_GATE,			\
+		.idx = (_idx),					\
+		.data.gate = {					\
+			.parent_name = (_parent),		\
+			.reg = (_reg),				\
+			.bit = (_bit),				\
+		},						\
+	}
+
+#define UNIPHIER_CLK_DIV(parent, div)				\
+	UNIPHIER_CLK_FACTOR(parent "/" #div, -1, parent, 1, div)
+
+#define UNIPHIER_CLK_DIV2(parent, div0, div1)			\
+	UNIPHIER_CLK_DIV(parent, div0),				\
+	UNIPHIER_CLK_DIV(parent, div1)
+
+#define UNIPHIER_CLK_DIV3(parent, div0, div1, div2)		\
+	UNIPHIER_CLK_DIV2(parent, div0, div1),			\
+	UNIPHIER_CLK_DIV(parent, div2)
+
+#define UNIPHIER_CLK_DIV4(parent, div0, div1, div2, div3)	\
+	UNIPHIER_CLK_DIV2(parent, div0, div1),			\
+	UNIPHIER_CLK_DIV2(parent, div2, div3)
+
+struct clk_hw *uniphier_clk_register_cpugear(struct device *dev,
+					     struct regmap *regmap,
+					     const char *name,
+				const struct uniphier_clk_cpugear_data *data);
+struct clk_hw *uniphier_clk_register_fixed_factor(struct device *dev,
+						  const char *name,
+			const struct uniphier_clk_fixed_factor_data *data);
+struct clk_hw *uniphier_clk_register_fixed_rate(struct device *dev,
+						const char *name,
+			const struct uniphier_clk_fixed_rate_data *data);
+struct clk_hw *uniphier_clk_register_gate(struct device *dev,
+					  struct regmap *regmap,
+					  const char *name,
+				const struct uniphier_clk_gate_data *data);
+struct clk_hw *uniphier_clk_register_mux(struct device *dev,
+					 struct regmap *regmap,
+					 const char *name,
+				const struct uniphier_clk_mux_data *data);
+
+extern const struct uniphier_clk_data uniphier_ld4_sys_clk_data[];
+extern const struct uniphier_clk_data uniphier_pro4_sys_clk_data[];
+extern const struct uniphier_clk_data uniphier_sld8_sys_clk_data[];
+extern const struct uniphier_clk_data uniphier_pro5_sys_clk_data[];
+extern const struct uniphier_clk_data uniphier_pxs2_sys_clk_data[];
+extern const struct uniphier_clk_data uniphier_ld11_sys_clk_data[];
+extern const struct uniphier_clk_data uniphier_ld20_sys_clk_data[];
+extern const struct uniphier_clk_data uniphier_pxs3_sys_clk_data[];
+extern const struct uniphier_clk_data uniphier_ld4_mio_clk_data[];
+extern const struct uniphier_clk_data uniphier_pro5_sd_clk_data[];
+extern const struct uniphier_clk_data uniphier_ld4_peri_clk_data[];
+extern const struct uniphier_clk_data uniphier_pro4_peri_clk_data[];
+
+#endif /* __CLK_UNIPHIER_H__ */