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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/clk/visconti/pll.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/clk/visconti/pll.h')
-rw-r--r--drivers/clk/visconti/pll.h63
1 files changed, 63 insertions, 0 deletions
diff --git a/drivers/clk/visconti/pll.h b/drivers/clk/visconti/pll.h
new file mode 100644
index 000000000..c4bd40676
--- /dev/null
+++ b/drivers/clk/visconti/pll.h
@@ -0,0 +1,63 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2021 TOSHIBA CORPORATION
+ * Copyright (c) 2021 Toshiba Electronic Devices & Storage Corporation
+ *
+ * Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>
+ */
+
+#ifndef _VISCONTI_PLL_H_
+#define _VISCONTI_PLL_H_
+
+#include <linux/clk-provider.h>
+#include <linux/regmap.h>
+#include <linux/spinlock.h>
+
+struct visconti_pll_provider {
+ void __iomem *reg_base;
+ struct device_node *node;
+
+ /* Must be last */
+ struct clk_hw_onecell_data clk_data;
+};
+
+#define VISCONTI_PLL_RATE(_rate, _dacen, _dsmen, \
+ _refdiv, _intin, _fracin, _postdiv1, _postdiv2) \
+{ \
+ .rate = _rate, \
+ .dacen = _dacen, \
+ .dsmen = _dsmen, \
+ .refdiv = _refdiv, \
+ .intin = _intin, \
+ .fracin = _fracin, \
+ .postdiv1 = _postdiv1, \
+ .postdiv2 = _postdiv2 \
+}
+
+struct visconti_pll_rate_table {
+ unsigned long rate;
+ unsigned int dacen;
+ unsigned int dsmen;
+ unsigned int refdiv;
+ unsigned long intin;
+ unsigned long fracin;
+ unsigned int postdiv1;
+ unsigned int postdiv2;
+};
+
+struct visconti_pll_info {
+ unsigned int id;
+ const char *name;
+ const char *parent;
+ unsigned long base_reg;
+ const struct visconti_pll_rate_table *rate_table;
+};
+
+struct visconti_pll_provider * __init visconti_init_pll(struct device_node *np,
+ void __iomem *base,
+ unsigned long nr_plls);
+void visconti_register_plls(struct visconti_pll_provider *ctx,
+ const struct visconti_pll_info *list,
+ unsigned int nr_plls, spinlock_t *lock);
+
+#endif /* _VISCONTI_PLL_H_ */