Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 65 insertions, 0 deletions

diff --git a/drivers/clk/sunxi/clk-factors.h b/drivers/clk/sunxi/clk-factors.h
new file mode 100644
index 000000000..7ad2ca924
--- /dev/null
+++ b/drivers/clk/sunxi/clk-factors.h
@@ -0,0 +1,65 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __MACH_SUNXI_CLK_FACTORS_H
+#define __MACH_SUNXI_CLK_FACTORS_H
+
+#include <linux/clk-provider.h>
+#include <linux/spinlock.h>
+
+#define SUNXI_FACTORS_NOT_APPLICABLE	(0)
+
+struct clk_factors_config {
+	u8 nshift;
+	u8 nwidth;
+	u8 kshift;
+	u8 kwidth;
+	u8 mshift;
+	u8 mwidth;
+	u8 pshift;
+	u8 pwidth;
+	u8 n_start;
+};
+
+struct factors_request {
+	unsigned long rate;
+	unsigned long parent_rate;
+	u8 parent_index;
+	u8 n;
+	u8 k;
+	u8 m;
+	u8 p;
+};
+
+struct factors_data {
+	int enable;
+	int mux;
+	int muxmask;
+	const struct clk_factors_config *table;
+	void (*getter)(struct factors_request *req);
+	void (*recalc)(struct factors_request *req);
+	const char *name;
+};
+
+struct clk_factors {
+	struct clk_hw hw;
+	void __iomem *reg;
+	const struct clk_factors_config *config;
+	void (*get_factors)(struct factors_request *req);
+	void (*recalc)(struct factors_request *req);
+	spinlock_t *lock;
+	/* for cleanup */
+	struct clk_mux *mux;
+	struct clk_gate *gate;
+};
+
+struct clk *sunxi_factors_register(struct device_node *node,
+				   const struct factors_data *data,
+				   spinlock_t *lock,
+				   void __iomem *reg);
+struct clk *sunxi_factors_register_critical(struct device_node *node,
+					    const struct factors_data *data,
+					    spinlock_t *lock,
+					    void __iomem *reg);
+
+void sunxi_factors_unregister(struct device_node *node, struct clk *clk);
+
+#endif