v4.19.13 snapshot.
diff --git a/drivers/clk/davinci/psc.h b/drivers/clk/davinci/psc.h
new file mode 100644
index 0000000..cc56145
--- /dev/null
+++ b/drivers/clk/davinci/psc.h
@@ -0,0 +1,120 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Clock driver for TI Davinci PSC controllers
+ *
+ * Copyright (C) 2018 David Lechner <david@lechnology.com>
+ */
+
+#ifndef __CLK_DAVINCI_PSC_H__
+#define __CLK_DAVINCI_PSC_H__
+
+#include <linux/clk-provider.h>
+#include <linux/types.h>
+
+/* PSC quirk flags */
+#define LPSC_ALWAYS_ENABLED BIT(0) /* never disable this clock */
+#define LPSC_SET_RATE_PARENT BIT(1) /* propagate set_rate to parent clock */
+#define LPSC_FORCE BIT(2) /* requires MDCTL FORCE bit */
+#define LPSC_LOCAL_RESET BIT(3) /* acts as reset provider */
+
+struct davinci_lpsc_clkdev_info {
+ const char *con_id;
+ const char *dev_id;
+};
+
+#define LPSC_CLKDEV(c, d) { \
+ .con_id = (c), \
+ .dev_id = (d) \
+}
+
+#define LPSC_CLKDEV1(n, c, d) \
+static const struct davinci_lpsc_clkdev_info n[] __initconst = { \
+ LPSC_CLKDEV((c), (d)), \
+ { } \
+}
+
+#define LPSC_CLKDEV2(n, c1, d1, c2, d2) \
+static const struct davinci_lpsc_clkdev_info n[] __initconst = { \
+ LPSC_CLKDEV((c1), (d1)), \
+ LPSC_CLKDEV((c2), (d2)), \
+ { } \
+}
+
+#define LPSC_CLKDEV3(n, c1, d1, c2, d2, c3, d3) \
+static const struct davinci_lpsc_clkdev_info n[] __initconst = { \
+ LPSC_CLKDEV((c1), (d1)), \
+ LPSC_CLKDEV((c2), (d2)), \
+ LPSC_CLKDEV((c3), (d3)), \
+ { } \
+}
+
+/**
+ * davinci_lpsc_clk_info - LPSC module-specific clock information
+ * @name: the clock name
+ * @parent: the parent clock name
+ * @cdevs: optional array of clkdev lookup table info
+ * @md: the local module domain (LPSC id)
+ * @pd: the power domain id
+ * @flags: bitmask of LPSC_* flags
+ */
+struct davinci_lpsc_clk_info {
+ const char *name;
+ const char *parent;
+ const struct davinci_lpsc_clkdev_info *cdevs;
+ u32 md;
+ u32 pd;
+ unsigned long flags;
+};
+
+#define LPSC(m, d, n, p, c, f) \
+{ \
+ .name = #n, \
+ .parent = #p, \
+ .cdevs = (c), \
+ .md = (m), \
+ .pd = (d), \
+ .flags = (f), \
+}
+
+int davinci_psc_register_clocks(struct device *dev,
+ const struct davinci_lpsc_clk_info *info,
+ u8 num_clks,
+ void __iomem *base);
+
+int of_davinci_psc_clk_init(struct device *dev,
+ const struct davinci_lpsc_clk_info *info,
+ u8 num_clks,
+ void __iomem *base);
+
+/* Device-specific data */
+
+struct davinci_psc_init_data {
+ struct clk_bulk_data *parent_clks;
+ int num_parent_clks;
+ int (*psc_init)(struct device *dev, void __iomem *base);
+};
+
+#ifdef CONFIG_ARCH_DAVINCI_DA830
+extern const struct davinci_psc_init_data da830_psc0_init_data;
+extern const struct davinci_psc_init_data da830_psc1_init_data;
+#endif
+#ifdef CONFIG_ARCH_DAVINCI_DA850
+extern const struct davinci_psc_init_data da850_psc0_init_data;
+extern const struct davinci_psc_init_data da850_psc1_init_data;
+extern const struct davinci_psc_init_data of_da850_psc0_init_data;
+extern const struct davinci_psc_init_data of_da850_psc1_init_data;
+#endif
+#ifdef CONFIG_ARCH_DAVINCI_DM355
+extern const struct davinci_psc_init_data dm355_psc_init_data;
+#endif
+#ifdef CONFIG_ARCH_DAVINCI_DM365
+extern const struct davinci_psc_init_data dm365_psc_init_data;
+#endif
+#ifdef CONFIG_ARCH_DAVINCI_DM644x
+extern const struct davinci_psc_init_data dm644x_psc_init_data;
+#endif
+#ifdef CONFIG_ARCH_DAVINCI_DM646x
+extern const struct davinci_psc_init_data dm646x_psc_init_data;
+#endif
+
+#endif /* __CLK_DAVINCI_PSC_H__ */