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-rw-r--r--drivers/clk/socfpga/clk.h67
1 files changed, 67 insertions, 0 deletions
diff --git a/drivers/clk/socfpga/clk.h b/drivers/clk/socfpga/clk.h
new file mode 100644
index 000000000..d80115fbd
--- /dev/null
+++ b/drivers/clk/socfpga/clk.h
@@ -0,0 +1,67 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2013, Steffen Trumtrar <s.trumtrar@pengutronix.de>
+ *
+ * based on drivers/clk/tegra/clk.h
+ */
+
+#ifndef __SOCFPGA_CLK_H
+#define __SOCFPGA_CLK_H
+
+#include <linux/clk-provider.h>
+
+/* Clock Manager offsets */
+#define CLKMGR_CTRL 0x0
+#define CLKMGR_BYPASS 0x4
+#define CLKMGR_DBCTRL 0x10
+#define CLKMGR_L4SRC 0x70
+#define CLKMGR_PERPLL_SRC 0xAC
+
+#define SOCFPGA_MAX_PARENTS 5
+
+#define streq(a, b) (strcmp((a), (b)) == 0)
+#define SYSMGR_SDMMC_CTRL_SET(smplsel, drvsel) \
+ ((((smplsel) & 0x7) << 3) | (((drvsel) & 0x7) << 0))
+
+#define SYSMGR_SDMMC_CTRL_SET_AS10(smplsel, drvsel) \
+ ((((smplsel) & 0x7) << 4) | (((drvsel) & 0x7) << 0))
+
+extern void __iomem *clk_mgr_base_addr;
+extern void __iomem *clk_mgr_a10_base_addr;
+
+void __init socfpga_pll_init(struct device_node *node);
+void __init socfpga_periph_init(struct device_node *node);
+void __init socfpga_gate_init(struct device_node *node);
+void socfpga_a10_pll_init(struct device_node *node);
+void socfpga_a10_periph_init(struct device_node *node);
+void socfpga_a10_gate_init(struct device_node *node);
+
+struct socfpga_pll {
+ struct clk_gate hw;
+};
+
+struct socfpga_gate_clk {
+ struct clk_gate hw;
+ char *parent_name;
+ u32 fixed_div;
+ void __iomem *div_reg;
+ void __iomem *bypass_reg;
+ struct regmap *sys_mgr_base_addr;
+ u32 width; /* only valid if div_reg != 0 */
+ u32 shift; /* only valid if div_reg != 0 */
+ u32 bypass_shift; /* only valid if bypass_reg != 0 */
+ u32 clk_phase[2];
+};
+
+struct socfpga_periph_clk {
+ struct clk_gate hw;
+ char *parent_name;
+ u32 fixed_div;
+ void __iomem *div_reg;
+ void __iomem *bypass_reg;
+ u32 width; /* only valid if div_reg != 0 */
+ u32 shift; /* only valid if div_reg != 0 */
+ u32 bypass_shift; /* only valid if bypass_reg != 0 */
+};
+
+#endif /* SOCFPGA_CLK_H */