1 files changed, 123 insertions, 0 deletions
diff --git a/drivers/clk/adi/clk.h b/drivers/clk/adi/clk.h
new file mode 100644
index 00000000000..f230205c311
--- /dev/null
+++ b/drivers/clk/adi/clk.h
@@ -0,0 +1,123 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * (C) Copyright 2022 - Analog Devices, Inc.
+ *
+ * Written and/or maintained by Timesys Corporation
+ *
+ * Author: Greg Malysa <greg.malysa@timesys.com>
+ *
+ * Ported from Linux: Nathan Barrett-Morrison <nathan.morrison@timesys.com>
+ */
+
+#ifndef CLK_ADI_CLK_H
+#define CLK_ADI_CLK_H
+
+#include <linux/compiler_types.h>
+#include <linux/types.h>
+#include <linux/clk-provider.h>
+
+#define CGU_CTL         0x00
+#define CGU_PLLCTL      0x04
+#define CGU_STAT        0x08
+#define CGU_DIV         0x0C
+#define CGU_CLKOUTSEL   0x10
+#define CGU_OSCWDCTL    0x14
+#define CGU_TSCTL       0x18
+#define CGU_TSVALUE0    0x1C
+#define CGU_TSVALUE1    0x20
+#define CGU_TSCOUNT0    0x24
+#define CGU_TSCOUNT1    0x28
+#define CGU_CCBF_DIS    0x2C
+#define CGU_CCBF_STAT   0x30
+#define CGU_SCBF_DIS    0x38
+#define CGU_SCBF_STAT   0x3C
+#define CGU_DIVEX       0x40
+#define CGU_REVID       0x48
+
+#define CDU_CFG0     0x00
+#define CDU_CFG1     0x04
+#define CDU_CFG2     0x08
+#define CDU_CFG3     0x0C
+#define CDU_CFG4     0x10
+#define CDU_CFG5     0x14
+#define CDU_CFG6     0x18
+#define CDU_CFG7     0x1C
+#define CDU_CFG8     0x20
+#define CDU_CFG9     0x24
+#define CDU_CFG10    0x28
+#define CDU_CFG11    0x2C
+#define CDU_CFG12    0x30
+#define CDU_CFG13    0x34
+#define CDU_CFG14    0x38
+
+#define PLL3_OFFSET 0x2c
+
+#define CDU_CLKINSEL 0x44
+
+#define CGU_MSEL_SHIFT 8
+#define CGU_MSEL_WIDTH 7
+
+#define PLL3_MSEL_SHIFT 4
+#define PLL3_MSEL_WIDTH 7
+
+#define CDU_MUX_SIZE 4
+#define CDU_MUX_SHIFT 1
+#define CDU_MUX_WIDTH 2
+#define CDU_EN_BIT 0
+
+extern const struct clk_ops adi_clk_ops;
+
+struct clk *sc5xx_cgu_pll(const char *name, const char *parent_name,
+			  void __iomem *base, u8 shift, u8 width, u32 m_offset, bool half_m);
+
+/**
+ * All CDU clock muxes are the same size
+ */
+static inline struct clk *cdu_mux(const char *name, void __iomem *reg,
+				  const char * const *parents)
+{
+	return clk_register_mux(NULL, name, parents, CDU_MUX_SIZE,
+		CLK_SET_RATE_PARENT, reg, CDU_MUX_SHIFT, CDU_MUX_WIDTH, 0);
+}
+
+static inline struct clk *cgu_divider(const char *name, const char *parent,
+				      void __iomem *reg, u8 shift, u8 width, u8 extra_flags)
+{
+	return clk_register_divider(NULL, name, parent, CLK_SET_RATE_PARENT,
+		reg, shift, width, CLK_DIVIDER_MAX_AT_ZERO | extra_flags);
+}
+
+static inline struct clk *cdu_gate(const char *name, const char *parent,
+				   void __iomem *reg, u32 flags)
+{
+	return clk_register_gate(NULL, name, parent, CLK_SET_RATE_PARENT | flags,
+		reg, CDU_EN_BIT, 0, NULL);
+}
+
+static inline struct clk *cgu_gate(const char *name, const char *parent,
+				   void __iomem *reg, u8 bit)
+{
+	return clk_register_gate(NULL, name, parent, CLK_SET_RATE_PARENT, reg, bit,
+		CLK_GATE_SET_TO_DISABLE, NULL);
+}
+
+static inline int cdu_check_clocks(struct clk *clks[], size_t count)
+{
+	size_t i;
+
+	for (i = 0; i < count; ++i) {
+		if (clks[i]) {
+			if (IS_ERR(clks[i])) {
+				pr_err("Clock %zu failed to register: %ld\n", i, PTR_ERR(clks[i]));
+				return PTR_ERR(clks[i]);
+			}
+			clks[i]->id = i;
+		} else {
+			pr_err("ADI Clock framework: Null pointer detected on clock %zu\n", i);
+		}
+	}
+
+	return 0;
+}
+
+#endif