GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/bootloader/u-boot-2020.01/drivers/clk/uniphier/clk-uniphier.h

@@ -0,0 +1,78 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2016 Socionext Inc.
+ *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
+ */
+
+#ifndef __CLK_UNIPHIER_H__
+#define __CLK_UNIPHIER_H__
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+
+#define UNIPHIER_CLK_MUX_MAX_PARENTS		8
+
+#define UNIPHIER_CLK_TYPE_END			0
+#define UNIPHIER_CLK_TYPE_FIXED_RATE		2
+#define UNIPHIER_CLK_TYPE_GATE			3
+#define UNIPHIER_CLK_TYPE_MUX			4
+
+#define UNIPHIER_CLK_ID_INVALID			(U8_MAX)
+
+struct uniphier_clk_fixed_rate_data {
+	unsigned long fixed_rate;
+};
+
+struct uniphier_clk_gate_data {
+	u8 parent_id;
+	u16 reg;
+	u8 bit;
+};
+
+struct uniphier_clk_mux_data {
+	u8 parent_ids[UNIPHIER_CLK_MUX_MAX_PARENTS];
+	u8 num_parents;
+	u16 reg;
+	u32 masks[UNIPHIER_CLK_MUX_MAX_PARENTS];
+	u32 vals[UNIPHIER_CLK_MUX_MAX_PARENTS];
+};
+
+struct uniphier_clk_data {
+	u8 type;
+	u8 id;
+	union {
+		struct uniphier_clk_fixed_rate_data rate;
+		struct uniphier_clk_gate_data gate;
+		struct uniphier_clk_mux_data mux;
+	} data;
+};
+
+#define UNIPHIER_CLK_RATE(_id, _rate)				\
+	{							\
+		.type = UNIPHIER_CLK_TYPE_FIXED_RATE,		\
+		.id = (_id),					\
+		.data.rate = {					\
+			.fixed_rate = (_rate),			\
+		},						\
+	}
+
+#define UNIPHIER_CLK_GATE(_id, _parent, _reg, _bit)		\
+	{							\
+		.type = UNIPHIER_CLK_TYPE_GATE,			\
+		.id = (_id),					\
+		.data.gate = {					\
+			.parent_id = (_parent),			\
+			.reg = (_reg),				\
+			.bit = (_bit),				\
+		},						\
+	}
+
+#define UNIPHIER_CLK_GATE_SIMPLE(_id, _reg, _bit)		\
+	UNIPHIER_CLK_GATE(_id, UNIPHIER_CLK_ID_INVALID, _reg, _bit)
+
+extern const struct uniphier_clk_data uniphier_pxs2_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_mio_clk_data[];
+
+#endif /* __CLK_UNIPHIER_H__ */