clk: add clock driver for stm32f4 and stm32f7

Port over the Linux v5.16 state of the clock driver.
Tested on a STM32F429.

Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Link: https://lore.barebox.org/20220131075725.1873026-13-a.fatoum@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

2 files changed, 9 insertions, 0 deletions

diff --git a/include/asm-generic/bitsperlong.h b/include/asm-generic/bitsperlong.h
index 836a1d4c83..20c055c6bd 100644
--- a/include/asm-generic/bitsperlong.h
+++ b/include/asm-generic/bitsperlong.h
@@ -9,4 +9,8 @@
 #define BITS_PER_LONG 32
 #endif /* CONFIG_64BIT */
 
+#ifndef BITS_PER_LONG_LONG
+#define BITS_PER_LONG_LONG 64
+#endif
+
 #endif /* __ASM_GENERIC_BITS_PER_LONG */
diff --git a/include/linux/clk.h b/include/linux/clk.h
index 887cd79009..9bee204652 100644
--- a/include/linux/clk.h
+++ b/include/linux/clk.h
@@ -759,6 +759,11 @@ static inline unsigned int clk_hw_get_num_parents(const struct clk_hw *hw)
 	return hw->clk.num_parents;
 }
 
+static inline unsigned long clk_hw_get_flags(const struct clk_hw *hw)
+{
+	return hw->clk.flags;
+}
+
 int clk_name_set_parent(const char *clkname, const char *clkparentname);
 int clk_name_set_rate(const char *clkname, unsigned long rate);